1 /*
2 * Copyright 2015 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24 #include <linux/pci.h>
25
26 #include <drm/drm_edid.h>
27 #include <drm/drm_fourcc.h>
28 #include <drm/drm_modeset_helper.h>
29 #include <drm/drm_modeset_helper_vtables.h>
30 #include <drm/drm_vblank.h>
31
32 #include "amdgpu.h"
33 #include "amdgpu_pm.h"
34 #include "amdgpu_i2c.h"
35 #include "atom.h"
36 #include "amdgpu_atombios.h"
37 #include "atombios_crtc.h"
38 #include "atombios_encoders.h"
39 #include "amdgpu_pll.h"
40 #include "amdgpu_connectors.h"
41 #include "amdgpu_display.h"
42
43 #include "bif/bif_3_0_d.h"
44 #include "bif/bif_3_0_sh_mask.h"
45 #include "oss/oss_1_0_d.h"
46 #include "oss/oss_1_0_sh_mask.h"
47 #include "gca/gfx_6_0_d.h"
48 #include "gca/gfx_6_0_sh_mask.h"
49 #include "gmc/gmc_6_0_d.h"
50 #include "gmc/gmc_6_0_sh_mask.h"
51 #include "dce/dce_6_0_d.h"
52 #include "dce/dce_6_0_sh_mask.h"
53 #include "gca/gfx_7_2_enum.h"
54 #include "dce_v6_0.h"
55 #include "si_enums.h"
56
57 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
58 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
59
60 static const u32 crtc_offsets[6] =
61 {
62 SI_CRTC0_REGISTER_OFFSET,
63 SI_CRTC1_REGISTER_OFFSET,
64 SI_CRTC2_REGISTER_OFFSET,
65 SI_CRTC3_REGISTER_OFFSET,
66 SI_CRTC4_REGISTER_OFFSET,
67 SI_CRTC5_REGISTER_OFFSET
68 };
69
70 static const u32 hpd_offsets[] =
71 {
72 mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
73 mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
74 mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
75 mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
76 mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
77 mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
78 };
79
80 static const uint32_t dig_offsets[] = {
81 SI_CRTC0_REGISTER_OFFSET,
82 SI_CRTC1_REGISTER_OFFSET,
83 SI_CRTC2_REGISTER_OFFSET,
84 SI_CRTC3_REGISTER_OFFSET,
85 SI_CRTC4_REGISTER_OFFSET,
86 SI_CRTC5_REGISTER_OFFSET,
87 (0x13830 - 0x7030) >> 2,
88 };
89
90 static const struct {
91 uint32_t reg;
92 uint32_t vblank;
93 uint32_t vline;
94 uint32_t hpd;
95
96 } interrupt_status_offsets[6] = { {
97 .reg = mmDISP_INTERRUPT_STATUS,
98 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101 }, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106 }, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111 }, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116 }, {
117 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
118 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
119 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121 }, {
122 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
123 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
124 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
125 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
126 } };
127
dce_v6_0_audio_endpt_rreg(struct amdgpu_device * adev,u32 block_offset,u32 reg)128 static u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
129 u32 block_offset, u32 reg)
130 {
131 unsigned long flags;
132 u32 r;
133
134 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
135 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
136 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
137 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
138
139 return r;
140 }
141
dce_v6_0_audio_endpt_wreg(struct amdgpu_device * adev,u32 block_offset,u32 reg,u32 v)142 static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
143 u32 block_offset, u32 reg, u32 v)
144 {
145 unsigned long flags;
146
147 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
148 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
149 reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
150 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
151 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
152 }
153
dce_v6_0_vblank_get_counter(struct amdgpu_device * adev,int crtc)154 static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
155 {
156 if (crtc >= adev->mode_info.num_crtc)
157 return 0;
158 else
159 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
160 }
161
dce_v6_0_pageflip_interrupt_init(struct amdgpu_device * adev)162 static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
163 {
164 unsigned i;
165
166 /* Enable pflip interrupts */
167 for (i = 0; i < adev->mode_info.num_crtc; i++)
168 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
169 }
170
dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device * adev)171 static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
172 {
173 unsigned i;
174
175 /* Disable pflip interrupts */
176 for (i = 0; i < adev->mode_info.num_crtc; i++)
177 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
178 }
179
180 /**
181 * dce_v6_0_page_flip - pageflip callback.
182 *
183 * @adev: amdgpu_device pointer
184 * @crtc_id: crtc to cleanup pageflip on
185 * @crtc_base: new address of the crtc (GPU MC address)
186 * @async: asynchronous flip
187 *
188 * Does the actual pageflip (evergreen+).
189 * During vblank we take the crtc lock and wait for the update_pending
190 * bit to go high, when it does, we release the lock, and allow the
191 * double buffered update to take place.
192 * Returns the current update pending status.
193 */
dce_v6_0_page_flip(struct amdgpu_device * adev,int crtc_id,u64 crtc_base,bool async)194 static void dce_v6_0_page_flip(struct amdgpu_device *adev,
195 int crtc_id, u64 crtc_base, bool async)
196 {
197 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
198 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
199
200 /* flip at hsync for async, default is vsync */
201 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
202 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
203 /* update pitch */
204 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
205 fb->pitches[0] / fb->format->cpp[0]);
206 /* update the scanout addresses */
207 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
208 upper_32_bits(crtc_base));
209 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
210 (u32)crtc_base);
211
212 /* post the write */
213 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
214 }
215
dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device * adev,int crtc,u32 * vbl,u32 * position)216 static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
217 u32 *vbl, u32 *position)
218 {
219 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
220 return -EINVAL;
221 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
222 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
223
224 return 0;
225
226 }
227
228 /**
229 * dce_v6_0_hpd_sense - hpd sense callback.
230 *
231 * @adev: amdgpu_device pointer
232 * @hpd: hpd (hotplug detect) pin
233 *
234 * Checks if a digital monitor is connected (evergreen+).
235 * Returns true if connected, false if not connected.
236 */
dce_v6_0_hpd_sense(struct amdgpu_device * adev,enum amdgpu_hpd_id hpd)237 static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
238 enum amdgpu_hpd_id hpd)
239 {
240 bool connected = false;
241
242 if (hpd >= adev->mode_info.num_hpd)
243 return connected;
244
245 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
246 connected = true;
247
248 return connected;
249 }
250
251 /**
252 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
253 *
254 * @adev: amdgpu_device pointer
255 * @hpd: hpd (hotplug detect) pin
256 *
257 * Set the polarity of the hpd pin (evergreen+).
258 */
dce_v6_0_hpd_set_polarity(struct amdgpu_device * adev,enum amdgpu_hpd_id hpd)259 static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
260 enum amdgpu_hpd_id hpd)
261 {
262 u32 tmp;
263 bool connected = dce_v6_0_hpd_sense(adev, hpd);
264
265 if (hpd >= adev->mode_info.num_hpd)
266 return;
267
268 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
269 if (connected)
270 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
271 else
272 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
273 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
274 }
275
dce_v6_0_hpd_int_ack(struct amdgpu_device * adev,int hpd)276 static void dce_v6_0_hpd_int_ack(struct amdgpu_device *adev,
277 int hpd)
278 {
279 u32 tmp;
280
281 if (hpd >= adev->mode_info.num_hpd) {
282 DRM_DEBUG("invalid hdp %d\n", hpd);
283 return;
284 }
285
286 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
287 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
288 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
289 }
290
291 /**
292 * dce_v6_0_hpd_init - hpd setup callback.
293 *
294 * @adev: amdgpu_device pointer
295 *
296 * Setup the hpd pins used by the card (evergreen+).
297 * Enable the pin, set the polarity, and enable the hpd interrupts.
298 */
dce_v6_0_hpd_init(struct amdgpu_device * adev)299 static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
300 {
301 struct drm_device *dev = adev_to_drm(adev);
302 struct drm_connector *connector;
303 struct drm_connector_list_iter iter;
304 u32 tmp;
305
306 drm_connector_list_iter_begin(dev, &iter);
307 drm_for_each_connector_iter(connector, &iter) {
308 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
309
310 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
311 continue;
312
313 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
314 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
315 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
316
317 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
318 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
319 /* don't try to enable hpd on eDP or LVDS avoid breaking the
320 * aux dp channel on imac and help (but not completely fix)
321 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
322 * also avoid interrupt storms during dpms.
323 */
324 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
325 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
326 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
327 continue;
328 }
329
330 dce_v6_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
331 dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
332 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
333 }
334 drm_connector_list_iter_end(&iter);
335 }
336
337 /**
338 * dce_v6_0_hpd_fini - hpd tear down callback.
339 *
340 * @adev: amdgpu_device pointer
341 *
342 * Tear down the hpd pins used by the card (evergreen+).
343 * Disable the hpd interrupts.
344 */
dce_v6_0_hpd_fini(struct amdgpu_device * adev)345 static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
346 {
347 struct drm_device *dev = adev_to_drm(adev);
348 struct drm_connector *connector;
349 struct drm_connector_list_iter iter;
350 u32 tmp;
351
352 drm_connector_list_iter_begin(dev, &iter);
353 drm_for_each_connector_iter(connector, &iter) {
354 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
355
356 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
357 continue;
358
359 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
360 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
361 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
362
363 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
364 }
365 drm_connector_list_iter_end(&iter);
366 }
367
dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device * adev)368 static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
369 {
370 return mmDC_GPIO_HPD_A;
371 }
372
dce_v6_0_set_vga_render_state(struct amdgpu_device * adev,bool render)373 static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
374 bool render)
375 {
376 if (!render)
377 WREG32(mmVGA_RENDER_CONTROL,
378 RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
379
380 }
381
dce_v6_0_get_num_crtc(struct amdgpu_device * adev)382 static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
383 {
384 switch (adev->asic_type) {
385 case CHIP_TAHITI:
386 case CHIP_PITCAIRN:
387 case CHIP_VERDE:
388 return 6;
389 case CHIP_OLAND:
390 return 2;
391 default:
392 return 0;
393 }
394 }
395
dce_v6_0_disable_dce(struct amdgpu_device * adev)396 void dce_v6_0_disable_dce(struct amdgpu_device *adev)
397 {
398 /*Disable VGA render and enabled crtc, if has DCE engine*/
399 if (amdgpu_atombios_has_dce_engine_info(adev)) {
400 u32 tmp;
401 int crtc_enabled, i;
402
403 dce_v6_0_set_vga_render_state(adev, false);
404
405 /*Disable crtc*/
406 for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
407 crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
408 CRTC_CONTROL__CRTC_MASTER_EN_MASK;
409 if (crtc_enabled) {
410 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
411 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
412 tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
413 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
414 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
415 }
416 }
417 }
418 }
419
dce_v6_0_program_fmt(struct drm_encoder * encoder)420 static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
421 {
422
423 struct drm_device *dev = encoder->dev;
424 struct amdgpu_device *adev = drm_to_adev(dev);
425 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
426 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
427 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
428 int bpc = 0;
429 u32 tmp = 0;
430 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
431
432 if (connector) {
433 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
434 bpc = amdgpu_connector_get_monitor_bpc(connector);
435 dither = amdgpu_connector->dither;
436 }
437
438 /* LVDS FMT is set up by atom */
439 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
440 return;
441
442 if (bpc == 0)
443 return;
444
445
446 switch (bpc) {
447 case 6:
448 if (dither == AMDGPU_FMT_DITHER_ENABLE)
449 /* XXX sort out optimal dither settings */
450 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
451 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
452 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
453 else
454 tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
455 break;
456 case 8:
457 if (dither == AMDGPU_FMT_DITHER_ENABLE)
458 /* XXX sort out optimal dither settings */
459 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
460 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
461 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
462 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
463 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
464 else
465 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
466 FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
467 break;
468 case 10:
469 default:
470 /* not needed */
471 break;
472 }
473
474 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
475 }
476
477 /**
478 * si_get_number_of_dram_channels - get the number of dram channels
479 *
480 * @adev: amdgpu_device pointer
481 *
482 * Look up the number of video ram channels (CIK).
483 * Used for display watermark bandwidth calculations
484 * Returns the number of dram channels
485 */
si_get_number_of_dram_channels(struct amdgpu_device * adev)486 static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
487 {
488 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
489
490 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
491 case 0:
492 default:
493 return 1;
494 case 1:
495 return 2;
496 case 2:
497 return 4;
498 case 3:
499 return 8;
500 case 4:
501 return 3;
502 case 5:
503 return 6;
504 case 6:
505 return 10;
506 case 7:
507 return 12;
508 case 8:
509 return 16;
510 }
511 }
512
513 struct dce6_wm_params {
514 u32 dram_channels; /* number of dram channels */
515 u32 yclk; /* bandwidth per dram data pin in kHz */
516 u32 sclk; /* engine clock in kHz */
517 u32 disp_clk; /* display clock in kHz */
518 u32 src_width; /* viewport width */
519 u32 active_time; /* active display time in ns */
520 u32 blank_time; /* blank time in ns */
521 bool interlaced; /* mode is interlaced */
522 fixed20_12 vsc; /* vertical scale ratio */
523 u32 num_heads; /* number of active crtcs */
524 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
525 u32 lb_size; /* line buffer allocated to pipe */
526 u32 vtaps; /* vertical scaler taps */
527 };
528
529 /**
530 * dce_v6_0_dram_bandwidth - get the dram bandwidth
531 *
532 * @wm: watermark calculation data
533 *
534 * Calculate the raw dram bandwidth (CIK).
535 * Used for display watermark bandwidth calculations
536 * Returns the dram bandwidth in MBytes/s
537 */
dce_v6_0_dram_bandwidth(struct dce6_wm_params * wm)538 static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
539 {
540 /* Calculate raw DRAM Bandwidth */
541 fixed20_12 dram_efficiency; /* 0.7 */
542 fixed20_12 yclk, dram_channels, bandwidth;
543 fixed20_12 a;
544
545 a.full = dfixed_const(1000);
546 yclk.full = dfixed_const(wm->yclk);
547 yclk.full = dfixed_div(yclk, a);
548 dram_channels.full = dfixed_const(wm->dram_channels * 4);
549 a.full = dfixed_const(10);
550 dram_efficiency.full = dfixed_const(7);
551 dram_efficiency.full = dfixed_div(dram_efficiency, a);
552 bandwidth.full = dfixed_mul(dram_channels, yclk);
553 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
554
555 return dfixed_trunc(bandwidth);
556 }
557
558 /**
559 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
560 *
561 * @wm: watermark calculation data
562 *
563 * Calculate the dram bandwidth used for display (CIK).
564 * Used for display watermark bandwidth calculations
565 * Returns the dram bandwidth for display in MBytes/s
566 */
dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params * wm)567 static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
568 {
569 /* Calculate DRAM Bandwidth and the part allocated to display. */
570 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
571 fixed20_12 yclk, dram_channels, bandwidth;
572 fixed20_12 a;
573
574 a.full = dfixed_const(1000);
575 yclk.full = dfixed_const(wm->yclk);
576 yclk.full = dfixed_div(yclk, a);
577 dram_channels.full = dfixed_const(wm->dram_channels * 4);
578 a.full = dfixed_const(10);
579 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
580 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
581 bandwidth.full = dfixed_mul(dram_channels, yclk);
582 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
583
584 return dfixed_trunc(bandwidth);
585 }
586
587 /**
588 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
589 *
590 * @wm: watermark calculation data
591 *
592 * Calculate the data return bandwidth used for display (CIK).
593 * Used for display watermark bandwidth calculations
594 * Returns the data return bandwidth in MBytes/s
595 */
dce_v6_0_data_return_bandwidth(struct dce6_wm_params * wm)596 static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
597 {
598 /* Calculate the display Data return Bandwidth */
599 fixed20_12 return_efficiency; /* 0.8 */
600 fixed20_12 sclk, bandwidth;
601 fixed20_12 a;
602
603 a.full = dfixed_const(1000);
604 sclk.full = dfixed_const(wm->sclk);
605 sclk.full = dfixed_div(sclk, a);
606 a.full = dfixed_const(10);
607 return_efficiency.full = dfixed_const(8);
608 return_efficiency.full = dfixed_div(return_efficiency, a);
609 a.full = dfixed_const(32);
610 bandwidth.full = dfixed_mul(a, sclk);
611 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
612
613 return dfixed_trunc(bandwidth);
614 }
615
616 /**
617 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
618 *
619 * @wm: watermark calculation data
620 *
621 * Calculate the dmif bandwidth used for display (CIK).
622 * Used for display watermark bandwidth calculations
623 * Returns the dmif bandwidth in MBytes/s
624 */
dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params * wm)625 static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
626 {
627 /* Calculate the DMIF Request Bandwidth */
628 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
629 fixed20_12 disp_clk, bandwidth;
630 fixed20_12 a, b;
631
632 a.full = dfixed_const(1000);
633 disp_clk.full = dfixed_const(wm->disp_clk);
634 disp_clk.full = dfixed_div(disp_clk, a);
635 a.full = dfixed_const(32);
636 b.full = dfixed_mul(a, disp_clk);
637
638 a.full = dfixed_const(10);
639 disp_clk_request_efficiency.full = dfixed_const(8);
640 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
641
642 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
643
644 return dfixed_trunc(bandwidth);
645 }
646
647 /**
648 * dce_v6_0_available_bandwidth - get the min available bandwidth
649 *
650 * @wm: watermark calculation data
651 *
652 * Calculate the min available bandwidth used for display (CIK).
653 * Used for display watermark bandwidth calculations
654 * Returns the min available bandwidth in MBytes/s
655 */
dce_v6_0_available_bandwidth(struct dce6_wm_params * wm)656 static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
657 {
658 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
659 u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
660 u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
661 u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
662
663 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
664 }
665
666 /**
667 * dce_v6_0_average_bandwidth - get the average available bandwidth
668 *
669 * @wm: watermark calculation data
670 *
671 * Calculate the average available bandwidth used for display (CIK).
672 * Used for display watermark bandwidth calculations
673 * Returns the average available bandwidth in MBytes/s
674 */
dce_v6_0_average_bandwidth(struct dce6_wm_params * wm)675 static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
676 {
677 /* Calculate the display mode Average Bandwidth
678 * DisplayMode should contain the source and destination dimensions,
679 * timing, etc.
680 */
681 fixed20_12 bpp;
682 fixed20_12 line_time;
683 fixed20_12 src_width;
684 fixed20_12 bandwidth;
685 fixed20_12 a;
686
687 a.full = dfixed_const(1000);
688 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
689 line_time.full = dfixed_div(line_time, a);
690 bpp.full = dfixed_const(wm->bytes_per_pixel);
691 src_width.full = dfixed_const(wm->src_width);
692 bandwidth.full = dfixed_mul(src_width, bpp);
693 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
694 bandwidth.full = dfixed_div(bandwidth, line_time);
695
696 return dfixed_trunc(bandwidth);
697 }
698
699 /**
700 * dce_v6_0_latency_watermark - get the latency watermark
701 *
702 * @wm: watermark calculation data
703 *
704 * Calculate the latency watermark (CIK).
705 * Used for display watermark bandwidth calculations
706 * Returns the latency watermark in ns
707 */
dce_v6_0_latency_watermark(struct dce6_wm_params * wm)708 static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
709 {
710 /* First calculate the latency in ns */
711 u32 mc_latency = 2000; /* 2000 ns. */
712 u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
713 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
714 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
715 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
716 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
717 (wm->num_heads * cursor_line_pair_return_time);
718 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
719 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
720 u32 tmp, dmif_size = 12288;
721 fixed20_12 a, b, c;
722
723 if (wm->num_heads == 0)
724 return 0;
725
726 a.full = dfixed_const(2);
727 b.full = dfixed_const(1);
728 if ((wm->vsc.full > a.full) ||
729 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
730 (wm->vtaps >= 5) ||
731 ((wm->vsc.full >= a.full) && wm->interlaced))
732 max_src_lines_per_dst_line = 4;
733 else
734 max_src_lines_per_dst_line = 2;
735
736 a.full = dfixed_const(available_bandwidth);
737 b.full = dfixed_const(wm->num_heads);
738 a.full = dfixed_div(a, b);
739 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
740 tmp = min(dfixed_trunc(a), tmp);
741
742 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
743
744 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
745 b.full = dfixed_const(1000);
746 c.full = dfixed_const(lb_fill_bw);
747 b.full = dfixed_div(c, b);
748 a.full = dfixed_div(a, b);
749 line_fill_time = dfixed_trunc(a);
750
751 if (line_fill_time < wm->active_time)
752 return latency;
753 else
754 return latency + (line_fill_time - wm->active_time);
755
756 }
757
758 /**
759 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
760 * average and available dram bandwidth
761 *
762 * @wm: watermark calculation data
763 *
764 * Check if the display average bandwidth fits in the display
765 * dram bandwidth (CIK).
766 * Used for display watermark bandwidth calculations
767 * Returns true if the display fits, false if not.
768 */
dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params * wm)769 static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
770 {
771 if (dce_v6_0_average_bandwidth(wm) <=
772 (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
773 return true;
774 else
775 return false;
776 }
777
778 /**
779 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
780 * average and available bandwidth
781 *
782 * @wm: watermark calculation data
783 *
784 * Check if the display average bandwidth fits in the display
785 * available bandwidth (CIK).
786 * Used for display watermark bandwidth calculations
787 * Returns true if the display fits, false if not.
788 */
dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params * wm)789 static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
790 {
791 if (dce_v6_0_average_bandwidth(wm) <=
792 (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
793 return true;
794 else
795 return false;
796 }
797
798 /**
799 * dce_v6_0_check_latency_hiding - check latency hiding
800 *
801 * @wm: watermark calculation data
802 *
803 * Check latency hiding (CIK).
804 * Used for display watermark bandwidth calculations
805 * Returns true if the display fits, false if not.
806 */
dce_v6_0_check_latency_hiding(struct dce6_wm_params * wm)807 static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
808 {
809 u32 lb_partitions = wm->lb_size / wm->src_width;
810 u32 line_time = wm->active_time + wm->blank_time;
811 u32 latency_tolerant_lines;
812 u32 latency_hiding;
813 fixed20_12 a;
814
815 a.full = dfixed_const(1);
816 if (wm->vsc.full > a.full)
817 latency_tolerant_lines = 1;
818 else {
819 if (lb_partitions <= (wm->vtaps + 1))
820 latency_tolerant_lines = 1;
821 else
822 latency_tolerant_lines = 2;
823 }
824
825 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
826
827 if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
828 return true;
829 else
830 return false;
831 }
832
833 /**
834 * dce_v6_0_program_watermarks - program display watermarks
835 *
836 * @adev: amdgpu_device pointer
837 * @amdgpu_crtc: the selected display controller
838 * @lb_size: line buffer size
839 * @num_heads: number of display controllers in use
840 *
841 * Calculate and program the display watermarks for the
842 * selected display controller (CIK).
843 */
dce_v6_0_program_watermarks(struct amdgpu_device * adev,struct amdgpu_crtc * amdgpu_crtc,u32 lb_size,u32 num_heads)844 static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
845 struct amdgpu_crtc *amdgpu_crtc,
846 u32 lb_size, u32 num_heads)
847 {
848 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
849 struct dce6_wm_params wm_low, wm_high;
850 u32 dram_channels;
851 u32 active_time;
852 u32 line_time = 0;
853 u32 latency_watermark_a = 0, latency_watermark_b = 0;
854 u32 priority_a_mark = 0, priority_b_mark = 0;
855 u32 priority_a_cnt = PRIORITY_OFF;
856 u32 priority_b_cnt = PRIORITY_OFF;
857 u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
858 fixed20_12 a, b, c;
859
860 if (amdgpu_crtc->base.enabled && num_heads && mode) {
861 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
862 (u32)mode->clock);
863 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
864 (u32)mode->clock);
865 line_time = min_t(u32, line_time, 65535);
866 priority_a_cnt = 0;
867 priority_b_cnt = 0;
868
869 dram_channels = si_get_number_of_dram_channels(adev);
870
871 /* watermark for high clocks */
872 if (adev->pm.dpm_enabled) {
873 wm_high.yclk =
874 amdgpu_dpm_get_mclk(adev, false) * 10;
875 wm_high.sclk =
876 amdgpu_dpm_get_sclk(adev, false) * 10;
877 } else {
878 wm_high.yclk = adev->pm.current_mclk * 10;
879 wm_high.sclk = adev->pm.current_sclk * 10;
880 }
881
882 wm_high.disp_clk = mode->clock;
883 wm_high.src_width = mode->crtc_hdisplay;
884 wm_high.active_time = active_time;
885 wm_high.blank_time = line_time - wm_high.active_time;
886 wm_high.interlaced = false;
887 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
888 wm_high.interlaced = true;
889 wm_high.vsc = amdgpu_crtc->vsc;
890 wm_high.vtaps = 1;
891 if (amdgpu_crtc->rmx_type != RMX_OFF)
892 wm_high.vtaps = 2;
893 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
894 wm_high.lb_size = lb_size;
895 wm_high.dram_channels = dram_channels;
896 wm_high.num_heads = num_heads;
897
898 if (adev->pm.dpm_enabled) {
899 /* watermark for low clocks */
900 wm_low.yclk =
901 amdgpu_dpm_get_mclk(adev, true) * 10;
902 wm_low.sclk =
903 amdgpu_dpm_get_sclk(adev, true) * 10;
904 } else {
905 wm_low.yclk = adev->pm.current_mclk * 10;
906 wm_low.sclk = adev->pm.current_sclk * 10;
907 }
908
909 wm_low.disp_clk = mode->clock;
910 wm_low.src_width = mode->crtc_hdisplay;
911 wm_low.active_time = active_time;
912 wm_low.blank_time = line_time - wm_low.active_time;
913 wm_low.interlaced = false;
914 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
915 wm_low.interlaced = true;
916 wm_low.vsc = amdgpu_crtc->vsc;
917 wm_low.vtaps = 1;
918 if (amdgpu_crtc->rmx_type != RMX_OFF)
919 wm_low.vtaps = 2;
920 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
921 wm_low.lb_size = lb_size;
922 wm_low.dram_channels = dram_channels;
923 wm_low.num_heads = num_heads;
924
925 /* set for high clocks */
926 latency_watermark_a = min_t(u32, dce_v6_0_latency_watermark(&wm_high), 65535);
927 /* set for low clocks */
928 latency_watermark_b = min_t(u32, dce_v6_0_latency_watermark(&wm_low), 65535);
929
930 /* possibly force display priority to high */
931 /* should really do this at mode validation time... */
932 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
933 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
934 !dce_v6_0_check_latency_hiding(&wm_high) ||
935 (adev->mode_info.disp_priority == 2)) {
936 DRM_DEBUG_KMS("force priority to high\n");
937 priority_a_cnt |= PRIORITY_ALWAYS_ON;
938 priority_b_cnt |= PRIORITY_ALWAYS_ON;
939 }
940 if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
941 !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
942 !dce_v6_0_check_latency_hiding(&wm_low) ||
943 (adev->mode_info.disp_priority == 2)) {
944 DRM_DEBUG_KMS("force priority to high\n");
945 priority_a_cnt |= PRIORITY_ALWAYS_ON;
946 priority_b_cnt |= PRIORITY_ALWAYS_ON;
947 }
948
949 a.full = dfixed_const(1000);
950 b.full = dfixed_const(mode->clock);
951 b.full = dfixed_div(b, a);
952 c.full = dfixed_const(latency_watermark_a);
953 c.full = dfixed_mul(c, b);
954 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
955 c.full = dfixed_div(c, a);
956 a.full = dfixed_const(16);
957 c.full = dfixed_div(c, a);
958 priority_a_mark = dfixed_trunc(c);
959 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
960
961 a.full = dfixed_const(1000);
962 b.full = dfixed_const(mode->clock);
963 b.full = dfixed_div(b, a);
964 c.full = dfixed_const(latency_watermark_b);
965 c.full = dfixed_mul(c, b);
966 c.full = dfixed_mul(c, amdgpu_crtc->hsc);
967 c.full = dfixed_div(c, a);
968 a.full = dfixed_const(16);
969 c.full = dfixed_div(c, a);
970 priority_b_mark = dfixed_trunc(c);
971 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
972
973 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
974 }
975
976 /* select wm A */
977 arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
978 tmp = arb_control3;
979 tmp &= ~LATENCY_WATERMARK_MASK(3);
980 tmp |= LATENCY_WATERMARK_MASK(1);
981 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
982 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
983 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
984 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
985 /* select wm B */
986 tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
987 tmp &= ~LATENCY_WATERMARK_MASK(3);
988 tmp |= LATENCY_WATERMARK_MASK(2);
989 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
990 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
991 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
992 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
993 /* restore original selection */
994 WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
995
996 /* write the priority marks */
997 WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
998 WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
999
1000 /* save values for DPM */
1001 amdgpu_crtc->line_time = line_time;
1002 amdgpu_crtc->wm_high = latency_watermark_a;
1003
1004 /* Save number of lines the linebuffer leads before the scanout */
1005 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1006 }
1007
1008 /* watermark setup */
dce_v6_0_line_buffer_adjust(struct amdgpu_device * adev,struct amdgpu_crtc * amdgpu_crtc,struct drm_display_mode * mode,struct drm_display_mode * other_mode)1009 static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
1010 struct amdgpu_crtc *amdgpu_crtc,
1011 struct drm_display_mode *mode,
1012 struct drm_display_mode *other_mode)
1013 {
1014 u32 tmp, buffer_alloc, i;
1015 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1016 /*
1017 * Line Buffer Setup
1018 * There are 3 line buffers, each one shared by 2 display controllers.
1019 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1020 * the display controllers. The paritioning is done via one of four
1021 * preset allocations specified in bits 21:20:
1022 * 0 - half lb
1023 * 2 - whole lb, other crtc must be disabled
1024 */
1025 /* this can get tricky if we have two large displays on a paired group
1026 * of crtcs. Ideally for multiple large displays we'd assign them to
1027 * non-linked crtcs for maximum line buffer allocation.
1028 */
1029 if (amdgpu_crtc->base.enabled && mode) {
1030 if (other_mode) {
1031 tmp = 0; /* 1/2 */
1032 buffer_alloc = 1;
1033 } else {
1034 tmp = 2; /* whole */
1035 buffer_alloc = 2;
1036 }
1037 } else {
1038 tmp = 0;
1039 buffer_alloc = 0;
1040 }
1041
1042 WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1043 DC_LB_MEMORY_CONFIG(tmp));
1044
1045 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1046 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1047 for (i = 0; i < adev->usec_timeout; i++) {
1048 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1049 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1050 break;
1051 udelay(1);
1052 }
1053
1054 if (amdgpu_crtc->base.enabled && mode) {
1055 switch (tmp) {
1056 case 0:
1057 default:
1058 return 4096 * 2;
1059 case 2:
1060 return 8192 * 2;
1061 }
1062 }
1063
1064 /* controller not enabled, so no lb used */
1065 return 0;
1066 }
1067
1068
1069 /**
1070 * dce_v6_0_bandwidth_update - program display watermarks
1071 *
1072 * @adev: amdgpu_device pointer
1073 *
1074 * Calculate and program the display watermarks and line
1075 * buffer allocation (CIK).
1076 */
dce_v6_0_bandwidth_update(struct amdgpu_device * adev)1077 static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1078 {
1079 struct drm_display_mode *mode0 = NULL;
1080 struct drm_display_mode *mode1 = NULL;
1081 u32 num_heads = 0, lb_size;
1082 int i;
1083
1084 if (!adev->mode_info.mode_config_initialized)
1085 return;
1086
1087 amdgpu_display_update_priority(adev);
1088
1089 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1090 if (adev->mode_info.crtcs[i]->base.enabled)
1091 num_heads++;
1092 }
1093 for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1094 mode0 = &adev->mode_info.crtcs[i]->base.mode;
1095 mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1096 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1097 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1098 lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1099 dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1100 }
1101 }
1102
dce_v6_0_audio_get_connected_pins(struct amdgpu_device * adev)1103 static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1104 {
1105 int i;
1106 u32 tmp;
1107
1108 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1109 tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1110 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1111 if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1112 PORT_CONNECTIVITY))
1113 adev->mode_info.audio.pin[i].connected = false;
1114 else
1115 adev->mode_info.audio.pin[i].connected = true;
1116 }
1117
1118 }
1119
dce_v6_0_audio_get_pin(struct amdgpu_device * adev)1120 static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1121 {
1122 int i;
1123
1124 dce_v6_0_audio_get_connected_pins(adev);
1125
1126 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1127 if (adev->mode_info.audio.pin[i].connected)
1128 return &adev->mode_info.audio.pin[i];
1129 }
1130 DRM_ERROR("No connected audio pins found!\n");
1131 return NULL;
1132 }
1133
dce_v6_0_audio_select_pin(struct drm_encoder * encoder)1134 static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1135 {
1136 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1137 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1138 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1139
1140 if (!dig || !dig->afmt || !dig->afmt->pin)
1141 return;
1142
1143 WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1144 REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1145 dig->afmt->pin->id));
1146 }
1147
dce_v6_0_audio_write_latency_fields(struct drm_encoder * encoder,struct drm_display_mode * mode)1148 static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1149 struct drm_display_mode *mode)
1150 {
1151 struct drm_device *dev = encoder->dev;
1152 struct amdgpu_device *adev = drm_to_adev(dev);
1153 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1154 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1155 struct drm_connector *connector;
1156 struct drm_connector_list_iter iter;
1157 struct amdgpu_connector *amdgpu_connector = NULL;
1158 int interlace = 0;
1159 u32 tmp;
1160
1161 drm_connector_list_iter_begin(dev, &iter);
1162 drm_for_each_connector_iter(connector, &iter) {
1163 if (connector->encoder == encoder) {
1164 amdgpu_connector = to_amdgpu_connector(connector);
1165 break;
1166 }
1167 }
1168 drm_connector_list_iter_end(&iter);
1169
1170 if (!amdgpu_connector) {
1171 DRM_ERROR("Couldn't find encoder's connector\n");
1172 return;
1173 }
1174
1175 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1176 interlace = 1;
1177
1178 if (connector->latency_present[interlace]) {
1179 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1180 VIDEO_LIPSYNC, connector->video_latency[interlace]);
1181 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1182 AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1183 } else {
1184 tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1185 VIDEO_LIPSYNC, 0);
1186 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1187 AUDIO_LIPSYNC, 0);
1188 }
1189 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1190 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1191 }
1192
dce_v6_0_audio_write_speaker_allocation(struct drm_encoder * encoder)1193 static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1194 {
1195 struct drm_device *dev = encoder->dev;
1196 struct amdgpu_device *adev = drm_to_adev(dev);
1197 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1198 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1199 struct drm_connector *connector;
1200 struct drm_connector_list_iter iter;
1201 struct amdgpu_connector *amdgpu_connector = NULL;
1202 u8 *sadb = NULL;
1203 int sad_count;
1204 u32 tmp;
1205
1206 drm_connector_list_iter_begin(dev, &iter);
1207 drm_for_each_connector_iter(connector, &iter) {
1208 if (connector->encoder == encoder) {
1209 amdgpu_connector = to_amdgpu_connector(connector);
1210 break;
1211 }
1212 }
1213 drm_connector_list_iter_end(&iter);
1214
1215 if (!amdgpu_connector) {
1216 DRM_ERROR("Couldn't find encoder's connector\n");
1217 return;
1218 }
1219
1220 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb);
1221 if (sad_count < 0) {
1222 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1223 sad_count = 0;
1224 }
1225
1226 /* program the speaker allocation */
1227 tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1228 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1229 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1230 HDMI_CONNECTION, 0);
1231 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1232 DP_CONNECTION, 0);
1233
1234 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1235 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1236 DP_CONNECTION, 1);
1237 else
1238 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1239 HDMI_CONNECTION, 1);
1240
1241 if (sad_count)
1242 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1243 SPEAKER_ALLOCATION, sadb[0]);
1244 else
1245 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1246 SPEAKER_ALLOCATION, 5); /* stereo */
1247
1248 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1249 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1250
1251 kfree(sadb);
1252 }
1253
dce_v6_0_audio_write_sad_regs(struct drm_encoder * encoder)1254 static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1255 {
1256 struct drm_device *dev = encoder->dev;
1257 struct amdgpu_device *adev = drm_to_adev(dev);
1258 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1259 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1260 struct drm_connector *connector;
1261 struct drm_connector_list_iter iter;
1262 struct amdgpu_connector *amdgpu_connector = NULL;
1263 struct cea_sad *sads;
1264 int i, sad_count;
1265
1266 static const u16 eld_reg_to_type[][2] = {
1267 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1268 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1269 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1270 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1271 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1272 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1273 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1274 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1275 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1276 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1277 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1278 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1279 };
1280
1281 drm_connector_list_iter_begin(dev, &iter);
1282 drm_for_each_connector_iter(connector, &iter) {
1283 if (connector->encoder == encoder) {
1284 amdgpu_connector = to_amdgpu_connector(connector);
1285 break;
1286 }
1287 }
1288 drm_connector_list_iter_end(&iter);
1289
1290 if (!amdgpu_connector) {
1291 DRM_ERROR("Couldn't find encoder's connector\n");
1292 return;
1293 }
1294
1295 sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
1296 if (sad_count < 0)
1297 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1298 if (sad_count <= 0)
1299 return;
1300
1301 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1302 u32 tmp = 0;
1303 u8 stereo_freqs = 0;
1304 int max_channels = -1;
1305 int j;
1306
1307 for (j = 0; j < sad_count; j++) {
1308 struct cea_sad *sad = &sads[j];
1309
1310 if (sad->format == eld_reg_to_type[i][1]) {
1311 if (sad->channels > max_channels) {
1312 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1313 MAX_CHANNELS, sad->channels);
1314 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1315 DESCRIPTOR_BYTE_2, sad->byte2);
1316 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1317 SUPPORTED_FREQUENCIES, sad->freq);
1318 max_channels = sad->channels;
1319 }
1320
1321 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1322 stereo_freqs |= sad->freq;
1323 else
1324 break;
1325 }
1326 }
1327
1328 tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1329 SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1330 WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1331 }
1332
1333 kfree(sads);
1334
1335 }
1336
dce_v6_0_audio_enable(struct amdgpu_device * adev,struct amdgpu_audio_pin * pin,bool enable)1337 static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1338 struct amdgpu_audio_pin *pin,
1339 bool enable)
1340 {
1341 if (!pin)
1342 return;
1343
1344 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1345 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1346 }
1347
1348 static const u32 pin_offsets[7] =
1349 {
1350 (0x1780 - 0x1780),
1351 (0x1786 - 0x1780),
1352 (0x178c - 0x1780),
1353 (0x1792 - 0x1780),
1354 (0x1798 - 0x1780),
1355 (0x179d - 0x1780),
1356 (0x17a4 - 0x1780),
1357 };
1358
dce_v6_0_audio_init(struct amdgpu_device * adev)1359 static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1360 {
1361 int i;
1362
1363 if (!amdgpu_audio)
1364 return 0;
1365
1366 adev->mode_info.audio.enabled = true;
1367
1368 switch (adev->asic_type) {
1369 case CHIP_TAHITI:
1370 case CHIP_PITCAIRN:
1371 case CHIP_VERDE:
1372 default:
1373 adev->mode_info.audio.num_pins = 6;
1374 break;
1375 case CHIP_OLAND:
1376 adev->mode_info.audio.num_pins = 2;
1377 break;
1378 }
1379
1380 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1381 adev->mode_info.audio.pin[i].channels = -1;
1382 adev->mode_info.audio.pin[i].rate = -1;
1383 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1384 adev->mode_info.audio.pin[i].status_bits = 0;
1385 adev->mode_info.audio.pin[i].category_code = 0;
1386 adev->mode_info.audio.pin[i].connected = false;
1387 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1388 adev->mode_info.audio.pin[i].id = i;
1389 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1390 }
1391
1392 return 0;
1393 }
1394
dce_v6_0_audio_fini(struct amdgpu_device * adev)1395 static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1396 {
1397 int i;
1398
1399 if (!amdgpu_audio)
1400 return;
1401
1402 if (!adev->mode_info.audio.enabled)
1403 return;
1404
1405 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1406 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1407
1408 adev->mode_info.audio.enabled = false;
1409 }
1410
dce_v6_0_audio_set_vbi_packet(struct drm_encoder * encoder)1411 static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1412 {
1413 struct drm_device *dev = encoder->dev;
1414 struct amdgpu_device *adev = drm_to_adev(dev);
1415 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1416 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1417 u32 tmp;
1418
1419 tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1420 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1421 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1422 tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1423 WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1424 }
1425
dce_v6_0_audio_set_acr(struct drm_encoder * encoder,uint32_t clock,int bpc)1426 static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1427 uint32_t clock, int bpc)
1428 {
1429 struct drm_device *dev = encoder->dev;
1430 struct amdgpu_device *adev = drm_to_adev(dev);
1431 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1432 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1433 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1434 u32 tmp;
1435
1436 tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1437 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1438 tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1439 bpc > 8 ? 0 : 1);
1440 WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1441
1442 tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1443 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1444 WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1445 tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1446 tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1447 WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1448
1449 tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1450 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1451 WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1452 tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1453 tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1454 WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1455
1456 tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1457 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1458 WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1459 tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1460 tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1461 WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1462 }
1463
dce_v6_0_audio_set_avi_infoframe(struct drm_encoder * encoder,struct drm_display_mode * mode)1464 static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1465 struct drm_display_mode *mode)
1466 {
1467 struct drm_device *dev = encoder->dev;
1468 struct amdgpu_device *adev = drm_to_adev(dev);
1469 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1470 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1471 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1472 struct hdmi_avi_infoframe frame;
1473 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1474 uint8_t *payload = buffer + 3;
1475 uint8_t *header = buffer;
1476 ssize_t err;
1477 u32 tmp;
1478
1479 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1480 if (err < 0) {
1481 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1482 return;
1483 }
1484
1485 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1486 if (err < 0) {
1487 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1488 return;
1489 }
1490
1491 WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1492 payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1493 WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1494 payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1495 WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1496 payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1497 WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1498 payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1499
1500 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1501 /* anything other than 0 */
1502 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1503 HDMI_AUDIO_INFO_LINE, 2);
1504 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1505 }
1506
dce_v6_0_audio_set_dto(struct drm_encoder * encoder,u32 clock)1507 static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1508 {
1509 struct drm_device *dev = encoder->dev;
1510 struct amdgpu_device *adev = drm_to_adev(dev);
1511 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1512 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1513 u32 tmp;
1514
1515 /*
1516 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1517 * Express [24MHz / target pixel clock] as an exact rational
1518 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1519 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1520 */
1521 tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1522 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1523 DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1524 if (em == ATOM_ENCODER_MODE_HDMI) {
1525 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1526 DCCG_AUDIO_DTO_SEL, 0);
1527 } else if (ENCODER_MODE_IS_DP(em)) {
1528 tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1529 DCCG_AUDIO_DTO_SEL, 1);
1530 }
1531 WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1532 if (em == ATOM_ENCODER_MODE_HDMI) {
1533 WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1534 WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1535 } else if (ENCODER_MODE_IS_DP(em)) {
1536 WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1537 WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1538 }
1539 }
1540
dce_v6_0_audio_set_packet(struct drm_encoder * encoder)1541 static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1542 {
1543 struct drm_device *dev = encoder->dev;
1544 struct amdgpu_device *adev = drm_to_adev(dev);
1545 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1546 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1547 u32 tmp;
1548
1549 tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1550 tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1551 WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1552
1553 tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1554 tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1555 WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1556
1557 tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1558 tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1559 WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1560
1561 tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1562 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1563 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1564 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1565 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1566 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1567 tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1568 WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1569
1570 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1571 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1572 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1573
1574 tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1575 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1576 tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1577 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1578
1579 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1580 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1581 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1582 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1583 }
1584
dce_v6_0_audio_set_mute(struct drm_encoder * encoder,bool mute)1585 static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1586 {
1587 struct drm_device *dev = encoder->dev;
1588 struct amdgpu_device *adev = drm_to_adev(dev);
1589 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1590 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1591 u32 tmp;
1592
1593 tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1594 tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1595 WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1596 }
1597
dce_v6_0_audio_hdmi_enable(struct drm_encoder * encoder,bool enable)1598 static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1599 {
1600 struct drm_device *dev = encoder->dev;
1601 struct amdgpu_device *adev = drm_to_adev(dev);
1602 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1603 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1604 u32 tmp;
1605
1606 if (enable) {
1607 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1608 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1609 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1610 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1611 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1612 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1613
1614 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1615 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1616 WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1617
1618 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1619 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1620 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1621 } else {
1622 tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1623 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1624 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1625 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1626 tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1627 WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1628
1629 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1630 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1631 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1632 }
1633 }
1634
dce_v6_0_audio_dp_enable(struct drm_encoder * encoder,bool enable)1635 static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1636 {
1637 struct drm_device *dev = encoder->dev;
1638 struct amdgpu_device *adev = drm_to_adev(dev);
1639 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1640 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1641 u32 tmp;
1642
1643 if (enable) {
1644 tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1645 tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1646 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1647
1648 tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1649 tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1650 WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1651
1652 tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1653 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1654 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1655 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1656 tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1657 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1658 } else {
1659 WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1660 }
1661 }
1662
dce_v6_0_afmt_setmode(struct drm_encoder * encoder,struct drm_display_mode * mode)1663 static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1664 struct drm_display_mode *mode)
1665 {
1666 struct drm_device *dev = encoder->dev;
1667 struct amdgpu_device *adev = drm_to_adev(dev);
1668 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1669 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1670 struct drm_connector *connector;
1671 struct drm_connector_list_iter iter;
1672 struct amdgpu_connector *amdgpu_connector = NULL;
1673 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1674 int bpc = 8;
1675
1676 if (!dig || !dig->afmt)
1677 return;
1678
1679 drm_connector_list_iter_begin(dev, &iter);
1680 drm_for_each_connector_iter(connector, &iter) {
1681 if (connector->encoder == encoder) {
1682 amdgpu_connector = to_amdgpu_connector(connector);
1683 break;
1684 }
1685 }
1686 drm_connector_list_iter_end(&iter);
1687
1688 if (!amdgpu_connector) {
1689 DRM_ERROR("Couldn't find encoder's connector\n");
1690 return;
1691 }
1692
1693 if (!dig->afmt->enabled)
1694 return;
1695
1696 dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1697 if (!dig->afmt->pin)
1698 return;
1699
1700 if (encoder->crtc) {
1701 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1702 bpc = amdgpu_crtc->bpc;
1703 }
1704
1705 /* disable audio before setting up hw */
1706 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1707
1708 dce_v6_0_audio_set_mute(encoder, true);
1709 dce_v6_0_audio_write_speaker_allocation(encoder);
1710 dce_v6_0_audio_write_sad_regs(encoder);
1711 dce_v6_0_audio_write_latency_fields(encoder, mode);
1712 if (em == ATOM_ENCODER_MODE_HDMI) {
1713 dce_v6_0_audio_set_dto(encoder, mode->clock);
1714 dce_v6_0_audio_set_vbi_packet(encoder);
1715 dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1716 } else if (ENCODER_MODE_IS_DP(em)) {
1717 dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1718 }
1719 dce_v6_0_audio_set_packet(encoder);
1720 dce_v6_0_audio_select_pin(encoder);
1721 dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1722 dce_v6_0_audio_set_mute(encoder, false);
1723 if (em == ATOM_ENCODER_MODE_HDMI) {
1724 dce_v6_0_audio_hdmi_enable(encoder, 1);
1725 } else if (ENCODER_MODE_IS_DP(em)) {
1726 dce_v6_0_audio_dp_enable(encoder, 1);
1727 }
1728
1729 /* enable audio after setting up hw */
1730 dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1731 }
1732
dce_v6_0_afmt_enable(struct drm_encoder * encoder,bool enable)1733 static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1734 {
1735 struct drm_device *dev = encoder->dev;
1736 struct amdgpu_device *adev = drm_to_adev(dev);
1737 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1738 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1739
1740 if (!dig || !dig->afmt)
1741 return;
1742
1743 /* Silent, r600_hdmi_enable will raise WARN for us */
1744 if (enable && dig->afmt->enabled)
1745 return;
1746
1747 if (!enable && !dig->afmt->enabled)
1748 return;
1749
1750 if (!enable && dig->afmt->pin) {
1751 dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1752 dig->afmt->pin = NULL;
1753 }
1754
1755 dig->afmt->enabled = enable;
1756
1757 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1758 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1759 }
1760
dce_v6_0_afmt_init(struct amdgpu_device * adev)1761 static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1762 {
1763 int i, j;
1764
1765 for (i = 0; i < adev->mode_info.num_dig; i++)
1766 adev->mode_info.afmt[i] = NULL;
1767
1768 /* DCE6 has audio blocks tied to DIG encoders */
1769 for (i = 0; i < adev->mode_info.num_dig; i++) {
1770 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1771 if (adev->mode_info.afmt[i]) {
1772 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1773 adev->mode_info.afmt[i]->id = i;
1774 } else {
1775 for (j = 0; j < i; j++) {
1776 kfree(adev->mode_info.afmt[j]);
1777 adev->mode_info.afmt[j] = NULL;
1778 }
1779 DRM_ERROR("Out of memory allocating afmt table\n");
1780 return -ENOMEM;
1781 }
1782 }
1783 return 0;
1784 }
1785
dce_v6_0_afmt_fini(struct amdgpu_device * adev)1786 static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1787 {
1788 int i;
1789
1790 for (i = 0; i < adev->mode_info.num_dig; i++) {
1791 kfree(adev->mode_info.afmt[i]);
1792 adev->mode_info.afmt[i] = NULL;
1793 }
1794 }
1795
1796 static const u32 vga_control_regs[6] =
1797 {
1798 mmD1VGA_CONTROL,
1799 mmD2VGA_CONTROL,
1800 mmD3VGA_CONTROL,
1801 mmD4VGA_CONTROL,
1802 mmD5VGA_CONTROL,
1803 mmD6VGA_CONTROL,
1804 };
1805
dce_v6_0_vga_enable(struct drm_crtc * crtc,bool enable)1806 static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1807 {
1808 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1809 struct drm_device *dev = crtc->dev;
1810 struct amdgpu_device *adev = drm_to_adev(dev);
1811 u32 vga_control;
1812
1813 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1814 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1815 }
1816
dce_v6_0_grph_enable(struct drm_crtc * crtc,bool enable)1817 static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1818 {
1819 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1820 struct drm_device *dev = crtc->dev;
1821 struct amdgpu_device *adev = drm_to_adev(dev);
1822
1823 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1824 }
1825
dce_v6_0_crtc_do_set_base(struct drm_crtc * crtc,struct drm_framebuffer * fb,int x,int y,int atomic)1826 static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1827 struct drm_framebuffer *fb,
1828 int x, int y, int atomic)
1829 {
1830 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1831 struct drm_device *dev = crtc->dev;
1832 struct amdgpu_device *adev = drm_to_adev(dev);
1833 struct drm_framebuffer *target_fb;
1834 struct drm_gem_object *obj;
1835 struct amdgpu_bo *abo;
1836 uint64_t fb_location, tiling_flags;
1837 uint32_t fb_format, fb_pitch_pixels, pipe_config;
1838 u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1839 u32 viewport_w, viewport_h;
1840 int r;
1841 bool bypass_lut = false;
1842
1843 /* no fb bound */
1844 if (!atomic && !crtc->primary->fb) {
1845 DRM_DEBUG_KMS("No FB bound\n");
1846 return 0;
1847 }
1848
1849 if (atomic)
1850 target_fb = fb;
1851 else
1852 target_fb = crtc->primary->fb;
1853
1854 /* If atomic, assume fb object is pinned & idle & fenced and
1855 * just update base pointers
1856 */
1857 obj = target_fb->obj[0];
1858 abo = gem_to_amdgpu_bo(obj);
1859 r = amdgpu_bo_reserve(abo, false);
1860 if (unlikely(r != 0))
1861 return r;
1862
1863 if (!atomic) {
1864 abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1865 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1866 if (unlikely(r != 0)) {
1867 amdgpu_bo_unreserve(abo);
1868 return -EINVAL;
1869 }
1870 }
1871 fb_location = amdgpu_bo_gpu_offset(abo);
1872
1873 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1874 amdgpu_bo_unreserve(abo);
1875
1876 switch (target_fb->format->format) {
1877 case DRM_FORMAT_C8:
1878 fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1879 GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1880 break;
1881 case DRM_FORMAT_XRGB4444:
1882 case DRM_FORMAT_ARGB4444:
1883 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1884 GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1885 #ifdef __BIG_ENDIAN
1886 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1887 #endif
1888 break;
1889 case DRM_FORMAT_XRGB1555:
1890 case DRM_FORMAT_ARGB1555:
1891 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1892 GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1893 #ifdef __BIG_ENDIAN
1894 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1895 #endif
1896 break;
1897 case DRM_FORMAT_BGRX5551:
1898 case DRM_FORMAT_BGRA5551:
1899 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1900 GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1901 #ifdef __BIG_ENDIAN
1902 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1903 #endif
1904 break;
1905 case DRM_FORMAT_RGB565:
1906 fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1907 GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1908 #ifdef __BIG_ENDIAN
1909 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1910 #endif
1911 break;
1912 case DRM_FORMAT_XRGB8888:
1913 case DRM_FORMAT_ARGB8888:
1914 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1915 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1916 #ifdef __BIG_ENDIAN
1917 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1918 #endif
1919 break;
1920 case DRM_FORMAT_XRGB2101010:
1921 case DRM_FORMAT_ARGB2101010:
1922 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1923 GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1924 #ifdef __BIG_ENDIAN
1925 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1926 #endif
1927 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1928 bypass_lut = true;
1929 break;
1930 case DRM_FORMAT_BGRX1010102:
1931 case DRM_FORMAT_BGRA1010102:
1932 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1933 GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1934 #ifdef __BIG_ENDIAN
1935 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1936 #endif
1937 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1938 bypass_lut = true;
1939 break;
1940 case DRM_FORMAT_XBGR8888:
1941 case DRM_FORMAT_ABGR8888:
1942 fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1943 GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1944 fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1945 GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1946 #ifdef __BIG_ENDIAN
1947 fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1948 #endif
1949 break;
1950 default:
1951 DRM_ERROR("Unsupported screen format %p4cc\n",
1952 &target_fb->format->format);
1953 return -EINVAL;
1954 }
1955
1956 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1957 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1958
1959 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1960 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1961 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1962 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1963 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1964
1965 fb_format |= GRPH_NUM_BANKS(num_banks);
1966 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1967 fb_format |= GRPH_TILE_SPLIT(tile_split);
1968 fb_format |= GRPH_BANK_WIDTH(bankw);
1969 fb_format |= GRPH_BANK_HEIGHT(bankh);
1970 fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1971 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1972 fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1973 }
1974
1975 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1976 fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1977
1978 dce_v6_0_vga_enable(crtc, false);
1979
1980 /* Make sure surface address is updated at vertical blank rather than
1981 * horizontal blank
1982 */
1983 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1984
1985 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1986 upper_32_bits(fb_location));
1987 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1988 upper_32_bits(fb_location));
1989 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1990 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1991 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1992 (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1993 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1994 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1995
1996 /*
1997 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1998 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1999 * retain the full precision throughout the pipeline.
2000 */
2001 WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
2002 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
2003 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
2004
2005 if (bypass_lut)
2006 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2007
2008 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2009 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2010 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2011 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2012 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2013 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2014
2015 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2016 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2017
2018 dce_v6_0_grph_enable(crtc, true);
2019
2020 WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2021 target_fb->height);
2022 x &= ~3;
2023 y &= ~1;
2024 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2025 (x << 16) | y);
2026 viewport_w = crtc->mode.hdisplay;
2027 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2028
2029 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2030 (viewport_w << 16) | viewport_h);
2031
2032 /* set pageflip to happen anywhere in vblank interval */
2033 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2034
2035 if (!atomic && fb && fb != crtc->primary->fb) {
2036 abo = gem_to_amdgpu_bo(fb->obj[0]);
2037 r = amdgpu_bo_reserve(abo, true);
2038 if (unlikely(r != 0))
2039 return r;
2040 amdgpu_bo_unpin(abo);
2041 amdgpu_bo_unreserve(abo);
2042 }
2043
2044 /* Bytes per pixel may have changed */
2045 dce_v6_0_bandwidth_update(adev);
2046
2047 return 0;
2048
2049 }
2050
dce_v6_0_set_interleave(struct drm_crtc * crtc,struct drm_display_mode * mode)2051 static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2052 struct drm_display_mode *mode)
2053 {
2054 struct drm_device *dev = crtc->dev;
2055 struct amdgpu_device *adev = drm_to_adev(dev);
2056 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2057
2058 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2059 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2060 INTERLEAVE_EN);
2061 else
2062 WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2063 }
2064
dce_v6_0_crtc_load_lut(struct drm_crtc * crtc)2065 static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2066 {
2067
2068 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2069 struct drm_device *dev = crtc->dev;
2070 struct amdgpu_device *adev = drm_to_adev(dev);
2071 u16 *r, *g, *b;
2072 int i;
2073
2074 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2075
2076 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2077 ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2078 (0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2079 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2080 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2081 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2082 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2083 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2084 ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2085 (0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2086
2087 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2088
2089 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2090 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2091 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2092
2093 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2094 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2095 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2096
2097 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2098 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2099
2100 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2101 r = crtc->gamma_store;
2102 g = r + crtc->gamma_size;
2103 b = g + crtc->gamma_size;
2104 for (i = 0; i < 256; i++) {
2105 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2106 ((*r++ & 0xffc0) << 14) |
2107 ((*g++ & 0xffc0) << 4) |
2108 (*b++ >> 6));
2109 }
2110
2111 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2112 ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2113 (0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2114 ICON_DEGAMMA_MODE(0) |
2115 (0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2116 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2117 ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2118 (0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2119 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2120 ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2121 (0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2122 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2123 ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2124 (0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2125 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2126 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2127
2128
2129 }
2130
dce_v6_0_pick_dig_encoder(struct drm_encoder * encoder)2131 static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2132 {
2133 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2134 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2135
2136 switch (amdgpu_encoder->encoder_id) {
2137 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2138 return dig->linkb ? 1 : 0;
2139 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2140 return dig->linkb ? 3 : 2;
2141 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2142 return dig->linkb ? 5 : 4;
2143 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2144 return 6;
2145 default:
2146 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2147 return 0;
2148 }
2149 }
2150
2151 /**
2152 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2153 *
2154 * @crtc: drm crtc
2155 *
2156 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2157 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2158 * monitors a dedicated PPLL must be used. If a particular board has
2159 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2160 * as there is no need to program the PLL itself. If we are not able to
2161 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2162 * avoid messing up an existing monitor.
2163 *
2164 *
2165 */
dce_v6_0_pick_pll(struct drm_crtc * crtc)2166 static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2167 {
2168 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2169 struct drm_device *dev = crtc->dev;
2170 struct amdgpu_device *adev = drm_to_adev(dev);
2171 u32 pll_in_use;
2172 int pll;
2173
2174 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2175 if (adev->clock.dp_extclk)
2176 /* skip PPLL programming if using ext clock */
2177 return ATOM_PPLL_INVALID;
2178 else
2179 return ATOM_PPLL0;
2180 } else {
2181 /* use the same PPLL for all monitors with the same clock */
2182 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2183 if (pll != ATOM_PPLL_INVALID)
2184 return pll;
2185 }
2186
2187 /* PPLL1, and PPLL2 */
2188 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2189 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2190 return ATOM_PPLL2;
2191 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2192 return ATOM_PPLL1;
2193 DRM_ERROR("unable to allocate a PPLL\n");
2194 return ATOM_PPLL_INVALID;
2195 }
2196
dce_v6_0_lock_cursor(struct drm_crtc * crtc,bool lock)2197 static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2198 {
2199 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2200 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2201 uint32_t cur_lock;
2202
2203 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2204 if (lock)
2205 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2206 else
2207 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2208 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2209 }
2210
dce_v6_0_hide_cursor(struct drm_crtc * crtc)2211 static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2212 {
2213 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2214 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2215
2216 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2217 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2218 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2219
2220
2221 }
2222
dce_v6_0_show_cursor(struct drm_crtc * crtc)2223 static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2224 {
2225 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2226 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2227
2228 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2229 upper_32_bits(amdgpu_crtc->cursor_addr));
2230 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2231 lower_32_bits(amdgpu_crtc->cursor_addr));
2232
2233 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2234 CUR_CONTROL__CURSOR_EN_MASK |
2235 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2236 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2237
2238 }
2239
dce_v6_0_cursor_move_locked(struct drm_crtc * crtc,int x,int y)2240 static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2241 int x, int y)
2242 {
2243 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2244 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2245 int xorigin = 0, yorigin = 0;
2246
2247 int w = amdgpu_crtc->cursor_width;
2248
2249 amdgpu_crtc->cursor_x = x;
2250 amdgpu_crtc->cursor_y = y;
2251
2252 /* avivo cursor are offset into the total surface */
2253 x += crtc->x;
2254 y += crtc->y;
2255 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2256
2257 if (x < 0) {
2258 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2259 x = 0;
2260 }
2261 if (y < 0) {
2262 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2263 y = 0;
2264 }
2265
2266 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2267 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2268 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2269 ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2270
2271 return 0;
2272 }
2273
dce_v6_0_crtc_cursor_move(struct drm_crtc * crtc,int x,int y)2274 static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2275 int x, int y)
2276 {
2277 int ret;
2278
2279 dce_v6_0_lock_cursor(crtc, true);
2280 ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2281 dce_v6_0_lock_cursor(crtc, false);
2282
2283 return ret;
2284 }
2285
dce_v6_0_crtc_cursor_set2(struct drm_crtc * crtc,struct drm_file * file_priv,uint32_t handle,uint32_t width,uint32_t height,int32_t hot_x,int32_t hot_y)2286 static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2287 struct drm_file *file_priv,
2288 uint32_t handle,
2289 uint32_t width,
2290 uint32_t height,
2291 int32_t hot_x,
2292 int32_t hot_y)
2293 {
2294 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2295 struct drm_gem_object *obj;
2296 struct amdgpu_bo *aobj;
2297 int ret;
2298
2299 if (!handle) {
2300 /* turn off cursor */
2301 dce_v6_0_hide_cursor(crtc);
2302 obj = NULL;
2303 goto unpin;
2304 }
2305
2306 if ((width > amdgpu_crtc->max_cursor_width) ||
2307 (height > amdgpu_crtc->max_cursor_height)) {
2308 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2309 return -EINVAL;
2310 }
2311
2312 obj = drm_gem_object_lookup(file_priv, handle);
2313 if (!obj) {
2314 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2315 return -ENOENT;
2316 }
2317
2318 aobj = gem_to_amdgpu_bo(obj);
2319 ret = amdgpu_bo_reserve(aobj, false);
2320 if (ret != 0) {
2321 drm_gem_object_put(obj);
2322 return ret;
2323 }
2324
2325 aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2326 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2327 amdgpu_bo_unreserve(aobj);
2328 if (ret) {
2329 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2330 drm_gem_object_put(obj);
2331 return ret;
2332 }
2333 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2334
2335 dce_v6_0_lock_cursor(crtc, true);
2336
2337 if (width != amdgpu_crtc->cursor_width ||
2338 height != amdgpu_crtc->cursor_height ||
2339 hot_x != amdgpu_crtc->cursor_hot_x ||
2340 hot_y != amdgpu_crtc->cursor_hot_y) {
2341 int x, y;
2342
2343 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2344 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2345
2346 dce_v6_0_cursor_move_locked(crtc, x, y);
2347
2348 amdgpu_crtc->cursor_width = width;
2349 amdgpu_crtc->cursor_height = height;
2350 amdgpu_crtc->cursor_hot_x = hot_x;
2351 amdgpu_crtc->cursor_hot_y = hot_y;
2352 }
2353
2354 dce_v6_0_show_cursor(crtc);
2355 dce_v6_0_lock_cursor(crtc, false);
2356
2357 unpin:
2358 if (amdgpu_crtc->cursor_bo) {
2359 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2360 ret = amdgpu_bo_reserve(aobj, true);
2361 if (likely(ret == 0)) {
2362 amdgpu_bo_unpin(aobj);
2363 amdgpu_bo_unreserve(aobj);
2364 }
2365 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2366 }
2367
2368 amdgpu_crtc->cursor_bo = obj;
2369 return 0;
2370 }
2371
dce_v6_0_cursor_reset(struct drm_crtc * crtc)2372 static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2373 {
2374 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2375
2376 if (amdgpu_crtc->cursor_bo) {
2377 dce_v6_0_lock_cursor(crtc, true);
2378
2379 dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2380 amdgpu_crtc->cursor_y);
2381
2382 dce_v6_0_show_cursor(crtc);
2383 dce_v6_0_lock_cursor(crtc, false);
2384 }
2385 }
2386
dce_v6_0_crtc_gamma_set(struct drm_crtc * crtc,u16 * red,u16 * green,u16 * blue,uint32_t size,struct drm_modeset_acquire_ctx * ctx)2387 static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2388 u16 *blue, uint32_t size,
2389 struct drm_modeset_acquire_ctx *ctx)
2390 {
2391 dce_v6_0_crtc_load_lut(crtc);
2392
2393 return 0;
2394 }
2395
dce_v6_0_crtc_destroy(struct drm_crtc * crtc)2396 static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2397 {
2398 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2399
2400 drm_crtc_cleanup(crtc);
2401 kfree(amdgpu_crtc);
2402 }
2403
2404 static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2405 .cursor_set2 = dce_v6_0_crtc_cursor_set2,
2406 .cursor_move = dce_v6_0_crtc_cursor_move,
2407 .gamma_set = dce_v6_0_crtc_gamma_set,
2408 .set_config = amdgpu_display_crtc_set_config,
2409 .destroy = dce_v6_0_crtc_destroy,
2410 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2411 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2412 .enable_vblank = amdgpu_enable_vblank_kms,
2413 .disable_vblank = amdgpu_disable_vblank_kms,
2414 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2415 };
2416
dce_v6_0_crtc_dpms(struct drm_crtc * crtc,int mode)2417 static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2418 {
2419 struct drm_device *dev = crtc->dev;
2420 struct amdgpu_device *adev = drm_to_adev(dev);
2421 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2422 unsigned type;
2423
2424 switch (mode) {
2425 case DRM_MODE_DPMS_ON:
2426 amdgpu_crtc->enabled = true;
2427 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2428 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2429 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2430 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2431 amdgpu_crtc->crtc_id);
2432 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2433 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2434 drm_crtc_vblank_on(crtc);
2435 dce_v6_0_crtc_load_lut(crtc);
2436 break;
2437 case DRM_MODE_DPMS_STANDBY:
2438 case DRM_MODE_DPMS_SUSPEND:
2439 case DRM_MODE_DPMS_OFF:
2440 drm_crtc_vblank_off(crtc);
2441 if (amdgpu_crtc->enabled)
2442 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2443 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2444 amdgpu_crtc->enabled = false;
2445 break;
2446 }
2447 /* adjust pm to dpms */
2448 amdgpu_dpm_compute_clocks(adev);
2449 }
2450
dce_v6_0_crtc_prepare(struct drm_crtc * crtc)2451 static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2452 {
2453 /* disable crtc pair power gating before programming */
2454 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2455 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2456 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2457 }
2458
dce_v6_0_crtc_commit(struct drm_crtc * crtc)2459 static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2460 {
2461 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2462 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2463 }
2464
dce_v6_0_crtc_disable(struct drm_crtc * crtc)2465 static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2466 {
2467
2468 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2469 struct drm_device *dev = crtc->dev;
2470 struct amdgpu_device *adev = drm_to_adev(dev);
2471 struct amdgpu_atom_ss ss;
2472 int i;
2473
2474 dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2475 if (crtc->primary->fb) {
2476 int r;
2477 struct amdgpu_bo *abo;
2478
2479 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2480 r = amdgpu_bo_reserve(abo, true);
2481 if (unlikely(r))
2482 DRM_ERROR("failed to reserve abo before unpin\n");
2483 else {
2484 amdgpu_bo_unpin(abo);
2485 amdgpu_bo_unreserve(abo);
2486 }
2487 }
2488 /* disable the GRPH */
2489 dce_v6_0_grph_enable(crtc, false);
2490
2491 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2492
2493 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2494 if (adev->mode_info.crtcs[i] &&
2495 adev->mode_info.crtcs[i]->enabled &&
2496 i != amdgpu_crtc->crtc_id &&
2497 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2498 /* one other crtc is using this pll don't turn
2499 * off the pll
2500 */
2501 goto done;
2502 }
2503 }
2504
2505 switch (amdgpu_crtc->pll_id) {
2506 case ATOM_PPLL1:
2507 case ATOM_PPLL2:
2508 /* disable the ppll */
2509 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2510 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2511 break;
2512 default:
2513 break;
2514 }
2515 done:
2516 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2517 amdgpu_crtc->adjusted_clock = 0;
2518 amdgpu_crtc->encoder = NULL;
2519 amdgpu_crtc->connector = NULL;
2520 }
2521
dce_v6_0_crtc_mode_set(struct drm_crtc * crtc,struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode,int x,int y,struct drm_framebuffer * old_fb)2522 static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2523 struct drm_display_mode *mode,
2524 struct drm_display_mode *adjusted_mode,
2525 int x, int y, struct drm_framebuffer *old_fb)
2526 {
2527 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2528
2529 if (!amdgpu_crtc->adjusted_clock)
2530 return -EINVAL;
2531
2532 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2533 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2534 dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2535 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2536 amdgpu_atombios_crtc_scaler_setup(crtc);
2537 dce_v6_0_cursor_reset(crtc);
2538 /* update the hw version fpr dpm */
2539 amdgpu_crtc->hw_mode = *adjusted_mode;
2540
2541 return 0;
2542 }
2543
dce_v6_0_crtc_mode_fixup(struct drm_crtc * crtc,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)2544 static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2545 const struct drm_display_mode *mode,
2546 struct drm_display_mode *adjusted_mode)
2547 {
2548
2549 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2550 struct drm_device *dev = crtc->dev;
2551 struct drm_encoder *encoder;
2552
2553 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2554 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2555 if (encoder->crtc == crtc) {
2556 amdgpu_crtc->encoder = encoder;
2557 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2558 break;
2559 }
2560 }
2561 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2562 amdgpu_crtc->encoder = NULL;
2563 amdgpu_crtc->connector = NULL;
2564 return false;
2565 }
2566 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2567 return false;
2568 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2569 return false;
2570 /* pick pll */
2571 amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2572 /* if we can't get a PPLL for a non-DP encoder, fail */
2573 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2574 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2575 return false;
2576
2577 return true;
2578 }
2579
dce_v6_0_crtc_set_base(struct drm_crtc * crtc,int x,int y,struct drm_framebuffer * old_fb)2580 static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2581 struct drm_framebuffer *old_fb)
2582 {
2583 return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2584 }
2585
dce_v6_0_crtc_set_base_atomic(struct drm_crtc * crtc,struct drm_framebuffer * fb,int x,int y,enum mode_set_atomic state)2586 static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2587 struct drm_framebuffer *fb,
2588 int x, int y, enum mode_set_atomic state)
2589 {
2590 return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2591 }
2592
2593 static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2594 .dpms = dce_v6_0_crtc_dpms,
2595 .mode_fixup = dce_v6_0_crtc_mode_fixup,
2596 .mode_set = dce_v6_0_crtc_mode_set,
2597 .mode_set_base = dce_v6_0_crtc_set_base,
2598 .mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2599 .prepare = dce_v6_0_crtc_prepare,
2600 .commit = dce_v6_0_crtc_commit,
2601 .disable = dce_v6_0_crtc_disable,
2602 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2603 };
2604
dce_v6_0_crtc_init(struct amdgpu_device * adev,int index)2605 static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2606 {
2607 struct amdgpu_crtc *amdgpu_crtc;
2608
2609 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2610 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2611 if (amdgpu_crtc == NULL)
2612 return -ENOMEM;
2613
2614 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2615
2616 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2617 amdgpu_crtc->crtc_id = index;
2618 adev->mode_info.crtcs[index] = amdgpu_crtc;
2619
2620 amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2621 amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2622 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2623 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2624
2625 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2626
2627 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2628 amdgpu_crtc->adjusted_clock = 0;
2629 amdgpu_crtc->encoder = NULL;
2630 amdgpu_crtc->connector = NULL;
2631 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2632
2633 return 0;
2634 }
2635
dce_v6_0_early_init(struct amdgpu_ip_block * ip_block)2636 static int dce_v6_0_early_init(struct amdgpu_ip_block *ip_block)
2637 {
2638 struct amdgpu_device *adev = ip_block->adev;
2639
2640 adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2641 adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2642
2643 dce_v6_0_set_display_funcs(adev);
2644
2645 adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2646
2647 switch (adev->asic_type) {
2648 case CHIP_TAHITI:
2649 case CHIP_PITCAIRN:
2650 case CHIP_VERDE:
2651 adev->mode_info.num_hpd = 6;
2652 adev->mode_info.num_dig = 6;
2653 break;
2654 case CHIP_OLAND:
2655 adev->mode_info.num_hpd = 2;
2656 adev->mode_info.num_dig = 2;
2657 break;
2658 default:
2659 return -EINVAL;
2660 }
2661
2662 dce_v6_0_set_irq_funcs(adev);
2663
2664 return 0;
2665 }
2666
dce_v6_0_sw_init(struct amdgpu_ip_block * ip_block)2667 static int dce_v6_0_sw_init(struct amdgpu_ip_block *ip_block)
2668 {
2669 int r, i;
2670 bool ret;
2671 struct amdgpu_device *adev = ip_block->adev;
2672
2673 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2674 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2675 if (r)
2676 return r;
2677 }
2678
2679 for (i = 8; i < 20; i += 2) {
2680 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2681 if (r)
2682 return r;
2683 }
2684
2685 /* HPD hotplug */
2686 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2687 if (r)
2688 return r;
2689
2690 adev->mode_info.mode_config_initialized = true;
2691
2692 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2693 adev_to_drm(adev)->mode_config.async_page_flip = true;
2694 adev_to_drm(adev)->mode_config.max_width = 16384;
2695 adev_to_drm(adev)->mode_config.max_height = 16384;
2696 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2697 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2698 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2699
2700 r = amdgpu_display_modeset_create_props(adev);
2701 if (r)
2702 return r;
2703
2704 adev_to_drm(adev)->mode_config.max_width = 16384;
2705 adev_to_drm(adev)->mode_config.max_height = 16384;
2706
2707 /* allocate crtcs */
2708 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2709 r = dce_v6_0_crtc_init(adev, i);
2710 if (r)
2711 return r;
2712 }
2713
2714 ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2715 if (ret)
2716 amdgpu_display_print_display_setup(adev_to_drm(adev));
2717 else
2718 return -EINVAL;
2719
2720 /* setup afmt */
2721 r = dce_v6_0_afmt_init(adev);
2722 if (r)
2723 return r;
2724
2725 r = dce_v6_0_audio_init(adev);
2726 if (r)
2727 return r;
2728
2729 /* Disable vblank IRQs aggressively for power-saving */
2730 /* XXX: can this be enabled for DC? */
2731 adev_to_drm(adev)->vblank_disable_immediate = true;
2732
2733 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2734 if (r)
2735 return r;
2736
2737 /* Pre-DCE11 */
2738 INIT_DELAYED_WORK(&adev->hotplug_work,
2739 amdgpu_display_hotplug_work_func);
2740
2741 drm_kms_helper_poll_init(adev_to_drm(adev));
2742
2743 return r;
2744 }
2745
dce_v6_0_sw_fini(struct amdgpu_ip_block * ip_block)2746 static int dce_v6_0_sw_fini(struct amdgpu_ip_block *ip_block)
2747 {
2748 struct amdgpu_device *adev = ip_block->adev;
2749
2750 drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2751
2752 drm_kms_helper_poll_fini(adev_to_drm(adev));
2753
2754 dce_v6_0_audio_fini(adev);
2755 dce_v6_0_afmt_fini(adev);
2756
2757 drm_mode_config_cleanup(adev_to_drm(adev));
2758 adev->mode_info.mode_config_initialized = false;
2759
2760 return 0;
2761 }
2762
dce_v6_0_hw_init(struct amdgpu_ip_block * ip_block)2763 static int dce_v6_0_hw_init(struct amdgpu_ip_block *ip_block)
2764 {
2765 int i;
2766 struct amdgpu_device *adev = ip_block->adev;
2767
2768 /* disable vga render */
2769 dce_v6_0_set_vga_render_state(adev, false);
2770 /* init dig PHYs, disp eng pll */
2771 amdgpu_atombios_encoder_init_dig(adev);
2772 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2773
2774 /* initialize hpd */
2775 dce_v6_0_hpd_init(adev);
2776
2777 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2778 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2779 }
2780
2781 dce_v6_0_pageflip_interrupt_init(adev);
2782
2783 return 0;
2784 }
2785
dce_v6_0_hw_fini(struct amdgpu_ip_block * ip_block)2786 static int dce_v6_0_hw_fini(struct amdgpu_ip_block *ip_block)
2787 {
2788 int i;
2789 struct amdgpu_device *adev = ip_block->adev;
2790
2791 dce_v6_0_hpd_fini(adev);
2792
2793 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2794 dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2795 }
2796
2797 dce_v6_0_pageflip_interrupt_fini(adev);
2798
2799 flush_delayed_work(&adev->hotplug_work);
2800
2801 return 0;
2802 }
2803
dce_v6_0_suspend(struct amdgpu_ip_block * ip_block)2804 static int dce_v6_0_suspend(struct amdgpu_ip_block *ip_block)
2805 {
2806 struct amdgpu_device *adev = ip_block->adev;
2807 int r;
2808
2809 r = amdgpu_display_suspend_helper(adev);
2810 if (r)
2811 return r;
2812 adev->mode_info.bl_level =
2813 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2814
2815 return dce_v6_0_hw_fini(ip_block);
2816 }
2817
dce_v6_0_resume(struct amdgpu_ip_block * ip_block)2818 static int dce_v6_0_resume(struct amdgpu_ip_block *ip_block)
2819 {
2820 struct amdgpu_device *adev = ip_block->adev;
2821 int ret;
2822
2823 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2824 adev->mode_info.bl_level);
2825
2826 ret = dce_v6_0_hw_init(ip_block);
2827
2828 /* turn on the BL */
2829 if (adev->mode_info.bl_encoder) {
2830 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2831 adev->mode_info.bl_encoder);
2832 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2833 bl_level);
2834 }
2835 if (ret)
2836 return ret;
2837
2838 return amdgpu_display_resume_helper(adev);
2839 }
2840
dce_v6_0_is_idle(void * handle)2841 static bool dce_v6_0_is_idle(void *handle)
2842 {
2843 return true;
2844 }
2845
dce_v6_0_soft_reset(struct amdgpu_ip_block * ip_block)2846 static int dce_v6_0_soft_reset(struct amdgpu_ip_block *ip_block)
2847 {
2848 DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2849 return 0;
2850 }
2851
dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device * adev,int crtc,enum amdgpu_interrupt_state state)2852 static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2853 int crtc,
2854 enum amdgpu_interrupt_state state)
2855 {
2856 u32 reg_block, interrupt_mask;
2857
2858 if (crtc >= adev->mode_info.num_crtc) {
2859 DRM_DEBUG("invalid crtc %d\n", crtc);
2860 return;
2861 }
2862
2863 switch (crtc) {
2864 case 0:
2865 reg_block = SI_CRTC0_REGISTER_OFFSET;
2866 break;
2867 case 1:
2868 reg_block = SI_CRTC1_REGISTER_OFFSET;
2869 break;
2870 case 2:
2871 reg_block = SI_CRTC2_REGISTER_OFFSET;
2872 break;
2873 case 3:
2874 reg_block = SI_CRTC3_REGISTER_OFFSET;
2875 break;
2876 case 4:
2877 reg_block = SI_CRTC4_REGISTER_OFFSET;
2878 break;
2879 case 5:
2880 reg_block = SI_CRTC5_REGISTER_OFFSET;
2881 break;
2882 default:
2883 DRM_DEBUG("invalid crtc %d\n", crtc);
2884 return;
2885 }
2886
2887 switch (state) {
2888 case AMDGPU_IRQ_STATE_DISABLE:
2889 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2890 interrupt_mask &= ~VBLANK_INT_MASK;
2891 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2892 break;
2893 case AMDGPU_IRQ_STATE_ENABLE:
2894 interrupt_mask = RREG32(mmINT_MASK + reg_block);
2895 interrupt_mask |= VBLANK_INT_MASK;
2896 WREG32(mmINT_MASK + reg_block, interrupt_mask);
2897 break;
2898 default:
2899 break;
2900 }
2901 }
2902
dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device * adev,int crtc,enum amdgpu_interrupt_state state)2903 static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2904 int crtc,
2905 enum amdgpu_interrupt_state state)
2906 {
2907
2908 }
2909
dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)2910 static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2911 struct amdgpu_irq_src *src,
2912 unsigned type,
2913 enum amdgpu_interrupt_state state)
2914 {
2915 u32 dc_hpd_int_cntl;
2916
2917 if (type >= adev->mode_info.num_hpd) {
2918 DRM_DEBUG("invalid hdp %d\n", type);
2919 return 0;
2920 }
2921
2922 switch (state) {
2923 case AMDGPU_IRQ_STATE_DISABLE:
2924 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2925 dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2926 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2927 break;
2928 case AMDGPU_IRQ_STATE_ENABLE:
2929 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2930 dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2931 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2932 break;
2933 default:
2934 break;
2935 }
2936
2937 return 0;
2938 }
2939
dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)2940 static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2941 struct amdgpu_irq_src *src,
2942 unsigned type,
2943 enum amdgpu_interrupt_state state)
2944 {
2945 switch (type) {
2946 case AMDGPU_CRTC_IRQ_VBLANK1:
2947 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2948 break;
2949 case AMDGPU_CRTC_IRQ_VBLANK2:
2950 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2951 break;
2952 case AMDGPU_CRTC_IRQ_VBLANK3:
2953 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2954 break;
2955 case AMDGPU_CRTC_IRQ_VBLANK4:
2956 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2957 break;
2958 case AMDGPU_CRTC_IRQ_VBLANK5:
2959 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2960 break;
2961 case AMDGPU_CRTC_IRQ_VBLANK6:
2962 dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2963 break;
2964 case AMDGPU_CRTC_IRQ_VLINE1:
2965 dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2966 break;
2967 case AMDGPU_CRTC_IRQ_VLINE2:
2968 dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2969 break;
2970 case AMDGPU_CRTC_IRQ_VLINE3:
2971 dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2972 break;
2973 case AMDGPU_CRTC_IRQ_VLINE4:
2974 dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2975 break;
2976 case AMDGPU_CRTC_IRQ_VLINE5:
2977 dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2978 break;
2979 case AMDGPU_CRTC_IRQ_VLINE6:
2980 dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2981 break;
2982 default:
2983 break;
2984 }
2985 return 0;
2986 }
2987
dce_v6_0_crtc_irq(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)2988 static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2989 struct amdgpu_irq_src *source,
2990 struct amdgpu_iv_entry *entry)
2991 {
2992 unsigned crtc = entry->src_id - 1;
2993 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2994 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2995 crtc);
2996
2997 switch (entry->src_data[0]) {
2998 case 0: /* vblank */
2999 if (disp_int & interrupt_status_offsets[crtc].vblank)
3000 WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
3001 else
3002 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3003
3004 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3005 drm_handle_vblank(adev_to_drm(adev), crtc);
3006 }
3007 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3008 break;
3009 case 1: /* vline */
3010 if (disp_int & interrupt_status_offsets[crtc].vline)
3011 WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
3012 else
3013 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3014
3015 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3016 break;
3017 default:
3018 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3019 break;
3020 }
3021
3022 return 0;
3023 }
3024
dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)3025 static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3026 struct amdgpu_irq_src *src,
3027 unsigned type,
3028 enum amdgpu_interrupt_state state)
3029 {
3030 u32 reg;
3031
3032 if (type >= adev->mode_info.num_crtc) {
3033 DRM_ERROR("invalid pageflip crtc %d\n", type);
3034 return -EINVAL;
3035 }
3036
3037 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3038 if (state == AMDGPU_IRQ_STATE_DISABLE)
3039 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3040 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3041 else
3042 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3043 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3044
3045 return 0;
3046 }
3047
dce_v6_0_pageflip_irq(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3048 static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3049 struct amdgpu_irq_src *source,
3050 struct amdgpu_iv_entry *entry)
3051 {
3052 unsigned long flags;
3053 unsigned crtc_id;
3054 struct amdgpu_crtc *amdgpu_crtc;
3055 struct amdgpu_flip_work *works;
3056
3057 crtc_id = (entry->src_id - 8) >> 1;
3058 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3059
3060 if (crtc_id >= adev->mode_info.num_crtc) {
3061 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3062 return -EINVAL;
3063 }
3064
3065 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3066 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3067 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3068 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3069
3070 /* IRQ could occur when in initial stage */
3071 if (amdgpu_crtc == NULL)
3072 return 0;
3073
3074 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3075 works = amdgpu_crtc->pflip_works;
3076 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3077 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3078 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3079 amdgpu_crtc->pflip_status,
3080 AMDGPU_FLIP_SUBMITTED);
3081 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3082 return 0;
3083 }
3084
3085 /* page flip completed. clean up */
3086 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3087 amdgpu_crtc->pflip_works = NULL;
3088
3089 /* wakeup usersapce */
3090 if (works->event)
3091 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3092
3093 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3094
3095 drm_crtc_vblank_put(&amdgpu_crtc->base);
3096 schedule_work(&works->unpin_work);
3097
3098 return 0;
3099 }
3100
dce_v6_0_hpd_irq(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3101 static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3102 struct amdgpu_irq_src *source,
3103 struct amdgpu_iv_entry *entry)
3104 {
3105 uint32_t disp_int, mask;
3106 unsigned hpd;
3107
3108 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3109 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3110 return 0;
3111 }
3112
3113 hpd = entry->src_data[0];
3114 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3115 mask = interrupt_status_offsets[hpd].hpd;
3116
3117 if (disp_int & mask) {
3118 dce_v6_0_hpd_int_ack(adev, hpd);
3119 schedule_delayed_work(&adev->hotplug_work, 0);
3120 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3121 }
3122
3123 return 0;
3124
3125 }
3126
dce_v6_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)3127 static int dce_v6_0_set_clockgating_state(void *handle,
3128 enum amd_clockgating_state state)
3129 {
3130 return 0;
3131 }
3132
dce_v6_0_set_powergating_state(void * handle,enum amd_powergating_state state)3133 static int dce_v6_0_set_powergating_state(void *handle,
3134 enum amd_powergating_state state)
3135 {
3136 return 0;
3137 }
3138
3139 static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3140 .name = "dce_v6_0",
3141 .early_init = dce_v6_0_early_init,
3142 .sw_init = dce_v6_0_sw_init,
3143 .sw_fini = dce_v6_0_sw_fini,
3144 .hw_init = dce_v6_0_hw_init,
3145 .hw_fini = dce_v6_0_hw_fini,
3146 .suspend = dce_v6_0_suspend,
3147 .resume = dce_v6_0_resume,
3148 .is_idle = dce_v6_0_is_idle,
3149 .soft_reset = dce_v6_0_soft_reset,
3150 .set_clockgating_state = dce_v6_0_set_clockgating_state,
3151 .set_powergating_state = dce_v6_0_set_powergating_state,
3152 };
3153
3154 static void
dce_v6_0_encoder_mode_set(struct drm_encoder * encoder,struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)3155 dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3156 struct drm_display_mode *mode,
3157 struct drm_display_mode *adjusted_mode)
3158 {
3159
3160 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3161 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3162
3163 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3164
3165 /* need to call this here rather than in prepare() since we need some crtc info */
3166 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3167
3168 /* set scaler clears this on some chips */
3169 dce_v6_0_set_interleave(encoder->crtc, mode);
3170
3171 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3172 dce_v6_0_afmt_enable(encoder, true);
3173 dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3174 }
3175 }
3176
dce_v6_0_encoder_prepare(struct drm_encoder * encoder)3177 static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3178 {
3179
3180 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3181 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3182 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3183
3184 if ((amdgpu_encoder->active_device &
3185 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3186 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3187 ENCODER_OBJECT_ID_NONE)) {
3188 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3189 if (dig) {
3190 dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3191 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3192 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3193 }
3194 }
3195
3196 amdgpu_atombios_scratch_regs_lock(adev, true);
3197
3198 if (connector) {
3199 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3200
3201 /* select the clock/data port if it uses a router */
3202 if (amdgpu_connector->router.cd_valid)
3203 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3204
3205 /* turn eDP panel on for mode set */
3206 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3207 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3208 ATOM_TRANSMITTER_ACTION_POWER_ON);
3209 }
3210
3211 /* this is needed for the pll/ss setup to work correctly in some cases */
3212 amdgpu_atombios_encoder_set_crtc_source(encoder);
3213 /* set up the FMT blocks */
3214 dce_v6_0_program_fmt(encoder);
3215 }
3216
dce_v6_0_encoder_commit(struct drm_encoder * encoder)3217 static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3218 {
3219
3220 struct drm_device *dev = encoder->dev;
3221 struct amdgpu_device *adev = drm_to_adev(dev);
3222
3223 /* need to call this here as we need the crtc set up */
3224 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3225 amdgpu_atombios_scratch_regs_lock(adev, false);
3226 }
3227
dce_v6_0_encoder_disable(struct drm_encoder * encoder)3228 static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3229 {
3230
3231 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3232 struct amdgpu_encoder_atom_dig *dig;
3233 int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3234
3235 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3236
3237 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3238 if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3239 dce_v6_0_afmt_enable(encoder, false);
3240 dig = amdgpu_encoder->enc_priv;
3241 dig->dig_encoder = -1;
3242 }
3243 amdgpu_encoder->active_device = 0;
3244 }
3245
3246 /* these are handled by the primary encoders */
dce_v6_0_ext_prepare(struct drm_encoder * encoder)3247 static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3248 {
3249
3250 }
3251
dce_v6_0_ext_commit(struct drm_encoder * encoder)3252 static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3253 {
3254
3255 }
3256
3257 static void
dce_v6_0_ext_mode_set(struct drm_encoder * encoder,struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)3258 dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3259 struct drm_display_mode *mode,
3260 struct drm_display_mode *adjusted_mode)
3261 {
3262
3263 }
3264
dce_v6_0_ext_disable(struct drm_encoder * encoder)3265 static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3266 {
3267
3268 }
3269
3270 static void
dce_v6_0_ext_dpms(struct drm_encoder * encoder,int mode)3271 dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3272 {
3273
3274 }
3275
dce_v6_0_ext_mode_fixup(struct drm_encoder * encoder,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)3276 static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3277 const struct drm_display_mode *mode,
3278 struct drm_display_mode *adjusted_mode)
3279 {
3280 return true;
3281 }
3282
3283 static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3284 .dpms = dce_v6_0_ext_dpms,
3285 .mode_fixup = dce_v6_0_ext_mode_fixup,
3286 .prepare = dce_v6_0_ext_prepare,
3287 .mode_set = dce_v6_0_ext_mode_set,
3288 .commit = dce_v6_0_ext_commit,
3289 .disable = dce_v6_0_ext_disable,
3290 /* no detect for TMDS/LVDS yet */
3291 };
3292
3293 static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3294 .dpms = amdgpu_atombios_encoder_dpms,
3295 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3296 .prepare = dce_v6_0_encoder_prepare,
3297 .mode_set = dce_v6_0_encoder_mode_set,
3298 .commit = dce_v6_0_encoder_commit,
3299 .disable = dce_v6_0_encoder_disable,
3300 .detect = amdgpu_atombios_encoder_dig_detect,
3301 };
3302
3303 static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3304 .dpms = amdgpu_atombios_encoder_dpms,
3305 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3306 .prepare = dce_v6_0_encoder_prepare,
3307 .mode_set = dce_v6_0_encoder_mode_set,
3308 .commit = dce_v6_0_encoder_commit,
3309 .detect = amdgpu_atombios_encoder_dac_detect,
3310 };
3311
dce_v6_0_encoder_destroy(struct drm_encoder * encoder)3312 static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3313 {
3314 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3315 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3316 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3317 kfree(amdgpu_encoder->enc_priv);
3318 drm_encoder_cleanup(encoder);
3319 kfree(amdgpu_encoder);
3320 }
3321
3322 static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3323 .destroy = dce_v6_0_encoder_destroy,
3324 };
3325
dce_v6_0_encoder_add(struct amdgpu_device * adev,uint32_t encoder_enum,uint32_t supported_device,u16 caps)3326 static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3327 uint32_t encoder_enum,
3328 uint32_t supported_device,
3329 u16 caps)
3330 {
3331 struct drm_device *dev = adev_to_drm(adev);
3332 struct drm_encoder *encoder;
3333 struct amdgpu_encoder *amdgpu_encoder;
3334
3335 /* see if we already added it */
3336 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3337 amdgpu_encoder = to_amdgpu_encoder(encoder);
3338 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3339 amdgpu_encoder->devices |= supported_device;
3340 return;
3341 }
3342
3343 }
3344
3345 /* add a new one */
3346 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3347 if (!amdgpu_encoder)
3348 return;
3349
3350 encoder = &amdgpu_encoder->base;
3351 switch (adev->mode_info.num_crtc) {
3352 case 1:
3353 encoder->possible_crtcs = 0x1;
3354 break;
3355 case 2:
3356 default:
3357 encoder->possible_crtcs = 0x3;
3358 break;
3359 case 4:
3360 encoder->possible_crtcs = 0xf;
3361 break;
3362 case 6:
3363 encoder->possible_crtcs = 0x3f;
3364 break;
3365 }
3366
3367 amdgpu_encoder->enc_priv = NULL;
3368 amdgpu_encoder->encoder_enum = encoder_enum;
3369 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3370 amdgpu_encoder->devices = supported_device;
3371 amdgpu_encoder->rmx_type = RMX_OFF;
3372 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3373 amdgpu_encoder->is_ext_encoder = false;
3374 amdgpu_encoder->caps = caps;
3375
3376 switch (amdgpu_encoder->encoder_id) {
3377 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3378 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3379 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3380 DRM_MODE_ENCODER_DAC, NULL);
3381 drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3382 break;
3383 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3384 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3385 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3386 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3387 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3388 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3389 amdgpu_encoder->rmx_type = RMX_FULL;
3390 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3391 DRM_MODE_ENCODER_LVDS, NULL);
3392 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3393 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3394 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3395 DRM_MODE_ENCODER_DAC, NULL);
3396 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3397 } else {
3398 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3399 DRM_MODE_ENCODER_TMDS, NULL);
3400 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3401 }
3402 drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3403 break;
3404 case ENCODER_OBJECT_ID_SI170B:
3405 case ENCODER_OBJECT_ID_CH7303:
3406 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3407 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3408 case ENCODER_OBJECT_ID_TITFP513:
3409 case ENCODER_OBJECT_ID_VT1623:
3410 case ENCODER_OBJECT_ID_HDMI_SI1930:
3411 case ENCODER_OBJECT_ID_TRAVIS:
3412 case ENCODER_OBJECT_ID_NUTMEG:
3413 /* these are handled by the primary encoders */
3414 amdgpu_encoder->is_ext_encoder = true;
3415 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3416 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3417 DRM_MODE_ENCODER_LVDS, NULL);
3418 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3419 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3420 DRM_MODE_ENCODER_DAC, NULL);
3421 else
3422 drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3423 DRM_MODE_ENCODER_TMDS, NULL);
3424 drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3425 break;
3426 }
3427 }
3428
3429 static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3430 .bandwidth_update = &dce_v6_0_bandwidth_update,
3431 .vblank_get_counter = &dce_v6_0_vblank_get_counter,
3432 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3433 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3434 .hpd_sense = &dce_v6_0_hpd_sense,
3435 .hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3436 .hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3437 .page_flip = &dce_v6_0_page_flip,
3438 .page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3439 .add_encoder = &dce_v6_0_encoder_add,
3440 .add_connector = &amdgpu_connector_add,
3441 };
3442
dce_v6_0_set_display_funcs(struct amdgpu_device * adev)3443 static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3444 {
3445 adev->mode_info.funcs = &dce_v6_0_display_funcs;
3446 }
3447
3448 static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3449 .set = dce_v6_0_set_crtc_interrupt_state,
3450 .process = dce_v6_0_crtc_irq,
3451 };
3452
3453 static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3454 .set = dce_v6_0_set_pageflip_interrupt_state,
3455 .process = dce_v6_0_pageflip_irq,
3456 };
3457
3458 static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3459 .set = dce_v6_0_set_hpd_interrupt_state,
3460 .process = dce_v6_0_hpd_irq,
3461 };
3462
dce_v6_0_set_irq_funcs(struct amdgpu_device * adev)3463 static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3464 {
3465 if (adev->mode_info.num_crtc > 0)
3466 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3467 else
3468 adev->crtc_irq.num_types = 0;
3469 adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3470
3471 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3472 adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3473
3474 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3475 adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3476 }
3477
3478 const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3479 {
3480 .type = AMD_IP_BLOCK_TYPE_DCE,
3481 .major = 6,
3482 .minor = 0,
3483 .rev = 0,
3484 .funcs = &dce_v6_0_ip_funcs,
3485 };
3486
3487 const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3488 {
3489 .type = AMD_IP_BLOCK_TYPE_DCE,
3490 .major = 6,
3491 .minor = 4,
3492 .rev = 0,
3493 .funcs = &dce_v6_0_ip_funcs,
3494 };
3495