xref: /linux/drivers/gpu/drm/i915/display/intel_sprite.c (revision 3fd6c59042dbba50391e30862beac979491145fe)
1 /*
2  * Copyright © 2011 Intel Corporation
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 (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *   Jesse Barnes <jbarnes@virtuousgeek.org>
25  *
26  * New plane/sprite handling.
27  *
28  * The older chips had a separate interface for programming plane related
29  * registers; newer ones are much simpler and we can use the new DRM plane
30  * support.
31  */
32 
33 #include <linux/string_helpers.h>
34 
35 #include <drm/drm_atomic_helper.h>
36 #include <drm/drm_blend.h>
37 #include <drm/drm_color_mgmt.h>
38 #include <drm/drm_fourcc.h>
39 #include <drm/drm_rect.h>
40 
41 #include "i915_drv.h"
42 #include "i9xx_plane.h"
43 #include "intel_atomic_plane.h"
44 #include "intel_de.h"
45 #include "intel_display_types.h"
46 #include "intel_fb.h"
47 #include "intel_frontbuffer.h"
48 #include "intel_sprite.h"
49 #include "intel_sprite_regs.h"
50 
sprite_name(struct intel_display * display,enum pipe pipe,int sprite)51 static char sprite_name(struct intel_display *display, enum pipe pipe, int sprite)
52 {
53 	return pipe * DISPLAY_RUNTIME_INFO(display)->num_sprites[pipe] + sprite + 'A';
54 }
55 
i9xx_plane_linear_gamma(u16 gamma[8])56 static void i9xx_plane_linear_gamma(u16 gamma[8])
57 {
58 	/* The points are not evenly spaced. */
59 	static const u8 in[8] = { 0, 1, 2, 4, 8, 16, 24, 32 };
60 	int i;
61 
62 	for (i = 0; i < 8; i++)
63 		gamma[i] = (in[i] << 8) / 32;
64 }
65 
66 static void
chv_sprite_update_csc(const struct intel_plane_state * plane_state)67 chv_sprite_update_csc(const struct intel_plane_state *plane_state)
68 {
69 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
70 	struct intel_display *display = to_intel_display(plane->base.dev);
71 	const struct drm_framebuffer *fb = plane_state->hw.fb;
72 	enum plane_id plane_id = plane->id;
73 	/*
74 	 * |r|   | c0 c1 c2 |   |cr|
75 	 * |g| = | c3 c4 c5 | x |y |
76 	 * |b|   | c6 c7 c8 |   |cb|
77 	 *
78 	 * Coefficients are s3.12.
79 	 *
80 	 * Cb and Cr apparently come in as signed already, and
81 	 * we always get full range data in on account of CLRC0/1.
82 	 */
83 	static const s16 csc_matrix[][9] = {
84 		/* BT.601 full range YCbCr -> full range RGB */
85 		[DRM_COLOR_YCBCR_BT601] = {
86 			 5743, 4096,     0,
87 			-2925, 4096, -1410,
88 			    0, 4096,  7258,
89 		},
90 		/* BT.709 full range YCbCr -> full range RGB */
91 		[DRM_COLOR_YCBCR_BT709] = {
92 			 6450, 4096,     0,
93 			-1917, 4096,  -767,
94 			    0, 4096,  7601,
95 		},
96 	};
97 	const s16 *csc = csc_matrix[plane_state->hw.color_encoding];
98 
99 	/* Seems RGB data bypasses the CSC always */
100 	if (!fb->format->is_yuv)
101 		return;
102 
103 	intel_de_write_fw(display, SPCSCYGOFF(plane_id),
104 			  SPCSC_OOFF(0) | SPCSC_IOFF(0));
105 	intel_de_write_fw(display, SPCSCCBOFF(plane_id),
106 			  SPCSC_OOFF(0) | SPCSC_IOFF(0));
107 	intel_de_write_fw(display, SPCSCCROFF(plane_id),
108 			  SPCSC_OOFF(0) | SPCSC_IOFF(0));
109 
110 	intel_de_write_fw(display, SPCSCC01(plane_id),
111 			  SPCSC_C1(csc[1]) | SPCSC_C0(csc[0]));
112 	intel_de_write_fw(display, SPCSCC23(plane_id),
113 			  SPCSC_C1(csc[3]) | SPCSC_C0(csc[2]));
114 	intel_de_write_fw(display, SPCSCC45(plane_id),
115 			  SPCSC_C1(csc[5]) | SPCSC_C0(csc[4]));
116 	intel_de_write_fw(display, SPCSCC67(plane_id),
117 			  SPCSC_C1(csc[7]) | SPCSC_C0(csc[6]));
118 	intel_de_write_fw(display, SPCSCC8(plane_id), SPCSC_C0(csc[8]));
119 
120 	intel_de_write_fw(display, SPCSCYGICLAMP(plane_id),
121 			  SPCSC_IMAX(1023) | SPCSC_IMIN(0));
122 	intel_de_write_fw(display, SPCSCCBICLAMP(plane_id),
123 			  SPCSC_IMAX(512) | SPCSC_IMIN(-512));
124 	intel_de_write_fw(display, SPCSCCRICLAMP(plane_id),
125 			  SPCSC_IMAX(512) | SPCSC_IMIN(-512));
126 
127 	intel_de_write_fw(display, SPCSCYGOCLAMP(plane_id),
128 			  SPCSC_OMAX(1023) | SPCSC_OMIN(0));
129 	intel_de_write_fw(display, SPCSCCBOCLAMP(plane_id),
130 			  SPCSC_OMAX(1023) | SPCSC_OMIN(0));
131 	intel_de_write_fw(display, SPCSCCROCLAMP(plane_id),
132 			  SPCSC_OMAX(1023) | SPCSC_OMIN(0));
133 }
134 
135 #define SIN_0 0
136 #define COS_0 1
137 
138 static void
vlv_sprite_update_clrc(const struct intel_plane_state * plane_state)139 vlv_sprite_update_clrc(const struct intel_plane_state *plane_state)
140 {
141 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
142 	struct intel_display *display = to_intel_display(plane->base.dev);
143 	const struct drm_framebuffer *fb = plane_state->hw.fb;
144 	enum pipe pipe = plane->pipe;
145 	enum plane_id plane_id = plane->id;
146 	int contrast, brightness, sh_scale, sh_sin, sh_cos;
147 
148 	if (fb->format->is_yuv &&
149 	    plane_state->hw.color_range == DRM_COLOR_YCBCR_LIMITED_RANGE) {
150 		/*
151 		 * Expand limited range to full range:
152 		 * Contrast is applied first and is used to expand Y range.
153 		 * Brightness is applied second and is used to remove the
154 		 * offset from Y. Saturation/hue is used to expand CbCr range.
155 		 */
156 		contrast = DIV_ROUND_CLOSEST(255 << 6, 235 - 16);
157 		brightness = -DIV_ROUND_CLOSEST(16 * 255, 235 - 16);
158 		sh_scale = DIV_ROUND_CLOSEST(128 << 7, 240 - 128);
159 		sh_sin = SIN_0 * sh_scale;
160 		sh_cos = COS_0 * sh_scale;
161 	} else {
162 		/* Pass-through everything. */
163 		contrast = 1 << 6;
164 		brightness = 0;
165 		sh_scale = 1 << 7;
166 		sh_sin = SIN_0 * sh_scale;
167 		sh_cos = COS_0 * sh_scale;
168 	}
169 
170 	/* FIXME these register are single buffered :( */
171 	intel_de_write_fw(display, SPCLRC0(pipe, plane_id),
172 			  SP_CONTRAST(contrast) | SP_BRIGHTNESS(brightness));
173 	intel_de_write_fw(display, SPCLRC1(pipe, plane_id),
174 			  SP_SH_SIN(sh_sin) | SP_SH_COS(sh_cos));
175 }
176 
177 static void
vlv_plane_ratio(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state,unsigned int * num,unsigned int * den)178 vlv_plane_ratio(const struct intel_crtc_state *crtc_state,
179 		const struct intel_plane_state *plane_state,
180 		unsigned int *num, unsigned int *den)
181 {
182 	u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
183 	const struct drm_framebuffer *fb = plane_state->hw.fb;
184 	unsigned int cpp = fb->format->cpp[0];
185 
186 	/*
187 	 * VLV bspec only considers cases where all three planes are
188 	 * enabled, and cases where the primary and one sprite is enabled.
189 	 * Let's assume the case with just two sprites enabled also
190 	 * maps to the latter case.
191 	 */
192 	if (hweight8(active_planes) == 3) {
193 		switch (cpp) {
194 		case 8:
195 			*num = 11;
196 			*den = 8;
197 			break;
198 		case 4:
199 			*num = 18;
200 			*den = 16;
201 			break;
202 		default:
203 			*num = 1;
204 			*den = 1;
205 			break;
206 		}
207 	} else if (hweight8(active_planes) == 2) {
208 		switch (cpp) {
209 		case 8:
210 			*num = 10;
211 			*den = 8;
212 			break;
213 		case 4:
214 			*num = 17;
215 			*den = 16;
216 			break;
217 		default:
218 			*num = 1;
219 			*den = 1;
220 			break;
221 		}
222 	} else {
223 		switch (cpp) {
224 		case 8:
225 			*num = 10;
226 			*den = 8;
227 			break;
228 		default:
229 			*num = 1;
230 			*den = 1;
231 			break;
232 		}
233 	}
234 }
235 
vlv_plane_min_cdclk(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)236 int vlv_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
237 			const struct intel_plane_state *plane_state)
238 {
239 	unsigned int pixel_rate;
240 	unsigned int num, den;
241 
242 	/*
243 	 * Note that crtc_state->pixel_rate accounts for both
244 	 * horizontal and vertical panel fitter downscaling factors.
245 	 * Pre-HSW bspec tells us to only consider the horizontal
246 	 * downscaling factor here. We ignore that and just consider
247 	 * both for simplicity.
248 	 */
249 	pixel_rate = crtc_state->pixel_rate;
250 
251 	vlv_plane_ratio(crtc_state, plane_state, &num, &den);
252 
253 	return DIV_ROUND_UP(pixel_rate * num, den);
254 }
255 
vlv_sprite_min_alignment(struct intel_plane * plane,const struct drm_framebuffer * fb,int color_plane)256 static unsigned int vlv_sprite_min_alignment(struct intel_plane *plane,
257 					     const struct drm_framebuffer *fb,
258 					     int color_plane)
259 {
260 	switch (fb->modifier) {
261 	case I915_FORMAT_MOD_X_TILED:
262 		return 4 * 1024;
263 	case DRM_FORMAT_MOD_LINEAR:
264 		return 128 * 1024;
265 	default:
266 		MISSING_CASE(fb->modifier);
267 		return 0;
268 	}
269 }
270 
vlv_sprite_ctl_crtc(const struct intel_crtc_state * crtc_state)271 static u32 vlv_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
272 {
273 	u32 sprctl = 0;
274 
275 	if (crtc_state->gamma_enable)
276 		sprctl |= SP_PIPE_GAMMA_ENABLE;
277 
278 	return sprctl;
279 }
280 
vlv_sprite_ctl(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)281 static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
282 			  const struct intel_plane_state *plane_state)
283 {
284 	const struct drm_framebuffer *fb = plane_state->hw.fb;
285 	unsigned int rotation = plane_state->hw.rotation;
286 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
287 	u32 sprctl;
288 
289 	sprctl = SP_ENABLE;
290 
291 	switch (fb->format->format) {
292 	case DRM_FORMAT_YUYV:
293 		sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV;
294 		break;
295 	case DRM_FORMAT_YVYU:
296 		sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU;
297 		break;
298 	case DRM_FORMAT_UYVY:
299 		sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY;
300 		break;
301 	case DRM_FORMAT_VYUY:
302 		sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY;
303 		break;
304 	case DRM_FORMAT_C8:
305 		sprctl |= SP_FORMAT_8BPP;
306 		break;
307 	case DRM_FORMAT_RGB565:
308 		sprctl |= SP_FORMAT_BGR565;
309 		break;
310 	case DRM_FORMAT_XRGB8888:
311 		sprctl |= SP_FORMAT_BGRX8888;
312 		break;
313 	case DRM_FORMAT_ARGB8888:
314 		sprctl |= SP_FORMAT_BGRA8888;
315 		break;
316 	case DRM_FORMAT_XBGR2101010:
317 		sprctl |= SP_FORMAT_RGBX1010102;
318 		break;
319 	case DRM_FORMAT_ABGR2101010:
320 		sprctl |= SP_FORMAT_RGBA1010102;
321 		break;
322 	case DRM_FORMAT_XRGB2101010:
323 		sprctl |= SP_FORMAT_BGRX1010102;
324 		break;
325 	case DRM_FORMAT_ARGB2101010:
326 		sprctl |= SP_FORMAT_BGRA1010102;
327 		break;
328 	case DRM_FORMAT_XBGR8888:
329 		sprctl |= SP_FORMAT_RGBX8888;
330 		break;
331 	case DRM_FORMAT_ABGR8888:
332 		sprctl |= SP_FORMAT_RGBA8888;
333 		break;
334 	default:
335 		MISSING_CASE(fb->format->format);
336 		return 0;
337 	}
338 
339 	if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
340 		sprctl |= SP_YUV_FORMAT_BT709;
341 
342 	if (fb->modifier == I915_FORMAT_MOD_X_TILED)
343 		sprctl |= SP_TILED;
344 
345 	if (rotation & DRM_MODE_ROTATE_180)
346 		sprctl |= SP_ROTATE_180;
347 
348 	if (rotation & DRM_MODE_REFLECT_X)
349 		sprctl |= SP_MIRROR;
350 
351 	if (key->flags & I915_SET_COLORKEY_SOURCE)
352 		sprctl |= SP_SOURCE_KEY;
353 
354 	return sprctl;
355 }
356 
vlv_sprite_update_gamma(const struct intel_plane_state * plane_state)357 static void vlv_sprite_update_gamma(const struct intel_plane_state *plane_state)
358 {
359 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
360 	struct intel_display *display = to_intel_display(plane->base.dev);
361 	const struct drm_framebuffer *fb = plane_state->hw.fb;
362 	enum pipe pipe = plane->pipe;
363 	enum plane_id plane_id = plane->id;
364 	u16 gamma[8];
365 	int i;
366 
367 	/* Seems RGB data bypasses the gamma always */
368 	if (!fb->format->is_yuv)
369 		return;
370 
371 	i9xx_plane_linear_gamma(gamma);
372 
373 	/* FIXME these register are single buffered :( */
374 	/* The two end points are implicit (0.0 and 1.0) */
375 	for (i = 1; i < 8 - 1; i++)
376 		intel_de_write_fw(display, SPGAMC(pipe, plane_id, i - 1),
377 				  gamma[i] << 16 | gamma[i] << 8 | gamma[i]);
378 }
379 
380 static void
vlv_sprite_update_noarm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)381 vlv_sprite_update_noarm(struct intel_dsb *dsb,
382 			struct intel_plane *plane,
383 			const struct intel_crtc_state *crtc_state,
384 			const struct intel_plane_state *plane_state)
385 {
386 	struct intel_display *display = to_intel_display(plane->base.dev);
387 	enum pipe pipe = plane->pipe;
388 	enum plane_id plane_id = plane->id;
389 	int crtc_x = plane_state->uapi.dst.x1;
390 	int crtc_y = plane_state->uapi.dst.y1;
391 	u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
392 	u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
393 
394 	intel_de_write_fw(display, SPSTRIDE(pipe, plane_id),
395 			  plane_state->view.color_plane[0].mapping_stride);
396 	intel_de_write_fw(display, SPPOS(pipe, plane_id),
397 			  SP_POS_Y(crtc_y) | SP_POS_X(crtc_x));
398 	intel_de_write_fw(display, SPSIZE(pipe, plane_id),
399 			  SP_HEIGHT(crtc_h - 1) | SP_WIDTH(crtc_w - 1));
400 }
401 
402 static void
vlv_sprite_update_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)403 vlv_sprite_update_arm(struct intel_dsb *dsb,
404 		      struct intel_plane *plane,
405 		      const struct intel_crtc_state *crtc_state,
406 		      const struct intel_plane_state *plane_state)
407 {
408 	struct intel_display *display = to_intel_display(plane->base.dev);
409 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
410 	enum pipe pipe = plane->pipe;
411 	enum plane_id plane_id = plane->id;
412 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
413 	u32 sprsurf_offset = plane_state->view.color_plane[0].offset;
414 	u32 x = plane_state->view.color_plane[0].x;
415 	u32 y = plane_state->view.color_plane[0].y;
416 	u32 sprctl, linear_offset;
417 
418 	sprctl = plane_state->ctl | vlv_sprite_ctl_crtc(crtc_state);
419 
420 	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
421 
422 	if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B)
423 		chv_sprite_update_csc(plane_state);
424 
425 	if (key->flags) {
426 		intel_de_write_fw(display, SPKEYMINVAL(pipe, plane_id),
427 				  key->min_value);
428 		intel_de_write_fw(display, SPKEYMSK(pipe, plane_id),
429 				  key->channel_mask);
430 		intel_de_write_fw(display, SPKEYMAXVAL(pipe, plane_id),
431 				  key->max_value);
432 	}
433 
434 	intel_de_write_fw(display, SPCONSTALPHA(pipe, plane_id), 0);
435 
436 	intel_de_write_fw(display, SPLINOFF(pipe, plane_id), linear_offset);
437 	intel_de_write_fw(display, SPTILEOFF(pipe, plane_id),
438 			  SP_OFFSET_Y(y) | SP_OFFSET_X(x));
439 
440 	/*
441 	 * The control register self-arms if the plane was previously
442 	 * disabled. Try to make the plane enable atomic by writing
443 	 * the control register just before the surface register.
444 	 */
445 	intel_de_write_fw(display, SPCNTR(pipe, plane_id), sprctl);
446 	intel_de_write_fw(display, SPSURF(pipe, plane_id),
447 			  intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
448 
449 	vlv_sprite_update_clrc(plane_state);
450 	vlv_sprite_update_gamma(plane_state);
451 }
452 
453 static void
vlv_sprite_disable_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state)454 vlv_sprite_disable_arm(struct intel_dsb *dsb,
455 		       struct intel_plane *plane,
456 		       const struct intel_crtc_state *crtc_state)
457 {
458 	struct intel_display *display = to_intel_display(plane->base.dev);
459 	enum pipe pipe = plane->pipe;
460 	enum plane_id plane_id = plane->id;
461 
462 	intel_de_write_fw(display, SPCNTR(pipe, plane_id), 0);
463 	intel_de_write_fw(display, SPSURF(pipe, plane_id), 0);
464 }
465 
466 static bool
vlv_sprite_get_hw_state(struct intel_plane * plane,enum pipe * pipe)467 vlv_sprite_get_hw_state(struct intel_plane *plane,
468 			enum pipe *pipe)
469 {
470 	struct intel_display *display = to_intel_display(plane->base.dev);
471 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
472 	enum intel_display_power_domain power_domain;
473 	enum plane_id plane_id = plane->id;
474 	intel_wakeref_t wakeref;
475 	bool ret;
476 
477 	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
478 	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
479 	if (!wakeref)
480 		return false;
481 
482 	ret = intel_de_read(display, SPCNTR(plane->pipe, plane_id)) & SP_ENABLE;
483 
484 	*pipe = plane->pipe;
485 
486 	intel_display_power_put(dev_priv, power_domain, wakeref);
487 
488 	return ret;
489 }
490 
ivb_plane_ratio(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state,unsigned int * num,unsigned int * den)491 static void ivb_plane_ratio(const struct intel_crtc_state *crtc_state,
492 			    const struct intel_plane_state *plane_state,
493 			    unsigned int *num, unsigned int *den)
494 {
495 	u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
496 	const struct drm_framebuffer *fb = plane_state->hw.fb;
497 	unsigned int cpp = fb->format->cpp[0];
498 
499 	if (hweight8(active_planes) == 2) {
500 		switch (cpp) {
501 		case 8:
502 			*num = 10;
503 			*den = 8;
504 			break;
505 		case 4:
506 			*num = 17;
507 			*den = 16;
508 			break;
509 		default:
510 			*num = 1;
511 			*den = 1;
512 			break;
513 		}
514 	} else {
515 		switch (cpp) {
516 		case 8:
517 			*num = 9;
518 			*den = 8;
519 			break;
520 		default:
521 			*num = 1;
522 			*den = 1;
523 			break;
524 		}
525 	}
526 }
527 
ivb_plane_ratio_scaling(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state,unsigned int * num,unsigned int * den)528 static void ivb_plane_ratio_scaling(const struct intel_crtc_state *crtc_state,
529 				    const struct intel_plane_state *plane_state,
530 				    unsigned int *num, unsigned int *den)
531 {
532 	const struct drm_framebuffer *fb = plane_state->hw.fb;
533 	unsigned int cpp = fb->format->cpp[0];
534 
535 	switch (cpp) {
536 	case 8:
537 		*num = 12;
538 		*den = 8;
539 		break;
540 	case 4:
541 		*num = 19;
542 		*den = 16;
543 		break;
544 	case 2:
545 		*num = 33;
546 		*den = 32;
547 		break;
548 	default:
549 		*num = 1;
550 		*den = 1;
551 		break;
552 	}
553 }
554 
ivb_plane_min_cdclk(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)555 int ivb_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
556 			const struct intel_plane_state *plane_state)
557 {
558 	unsigned int pixel_rate;
559 	unsigned int num, den;
560 
561 	/*
562 	 * Note that crtc_state->pixel_rate accounts for both
563 	 * horizontal and vertical panel fitter downscaling factors.
564 	 * Pre-HSW bspec tells us to only consider the horizontal
565 	 * downscaling factor here. We ignore that and just consider
566 	 * both for simplicity.
567 	 */
568 	pixel_rate = crtc_state->pixel_rate;
569 
570 	ivb_plane_ratio(crtc_state, plane_state, &num, &den);
571 
572 	return DIV_ROUND_UP(pixel_rate * num, den);
573 }
574 
ivb_sprite_min_cdclk(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)575 static int ivb_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
576 				const struct intel_plane_state *plane_state)
577 {
578 	unsigned int src_w, dst_w, pixel_rate;
579 	unsigned int num, den;
580 
581 	/*
582 	 * Note that crtc_state->pixel_rate accounts for both
583 	 * horizontal and vertical panel fitter downscaling factors.
584 	 * Pre-HSW bspec tells us to only consider the horizontal
585 	 * downscaling factor here. We ignore that and just consider
586 	 * both for simplicity.
587 	 */
588 	pixel_rate = crtc_state->pixel_rate;
589 
590 	src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
591 	dst_w = drm_rect_width(&plane_state->uapi.dst);
592 
593 	if (src_w != dst_w)
594 		ivb_plane_ratio_scaling(crtc_state, plane_state, &num, &den);
595 	else
596 		ivb_plane_ratio(crtc_state, plane_state, &num, &den);
597 
598 	/* Horizontal downscaling limits the maximum pixel rate */
599 	dst_w = min(src_w, dst_w);
600 
601 	return DIV_ROUND_UP_ULL(mul_u32_u32(pixel_rate, num * src_w),
602 				den * dst_w);
603 }
604 
hsw_plane_ratio(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state,unsigned int * num,unsigned int * den)605 static void hsw_plane_ratio(const struct intel_crtc_state *crtc_state,
606 			    const struct intel_plane_state *plane_state,
607 			    unsigned int *num, unsigned int *den)
608 {
609 	u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
610 	const struct drm_framebuffer *fb = plane_state->hw.fb;
611 	unsigned int cpp = fb->format->cpp[0];
612 
613 	if (hweight8(active_planes) == 2) {
614 		switch (cpp) {
615 		case 8:
616 			*num = 10;
617 			*den = 8;
618 			break;
619 		default:
620 			*num = 1;
621 			*den = 1;
622 			break;
623 		}
624 	} else {
625 		switch (cpp) {
626 		case 8:
627 			*num = 9;
628 			*den = 8;
629 			break;
630 		default:
631 			*num = 1;
632 			*den = 1;
633 			break;
634 		}
635 	}
636 }
637 
hsw_plane_min_cdclk(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)638 int hsw_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
639 			const struct intel_plane_state *plane_state)
640 {
641 	unsigned int pixel_rate = crtc_state->pixel_rate;
642 	unsigned int num, den;
643 
644 	hsw_plane_ratio(crtc_state, plane_state, &num, &den);
645 
646 	return DIV_ROUND_UP(pixel_rate * num, den);
647 }
648 
ivb_sprite_ctl_crtc(const struct intel_crtc_state * crtc_state)649 static u32 ivb_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
650 {
651 	u32 sprctl = 0;
652 
653 	if (crtc_state->gamma_enable)
654 		sprctl |= SPRITE_PIPE_GAMMA_ENABLE;
655 
656 	if (crtc_state->csc_enable)
657 		sprctl |= SPRITE_PIPE_CSC_ENABLE;
658 
659 	return sprctl;
660 }
661 
ivb_need_sprite_gamma(const struct intel_plane_state * plane_state)662 static bool ivb_need_sprite_gamma(const struct intel_plane_state *plane_state)
663 {
664 	struct drm_i915_private *dev_priv =
665 		to_i915(plane_state->uapi.plane->dev);
666 	const struct drm_framebuffer *fb = plane_state->hw.fb;
667 
668 	return fb->format->cpp[0] == 8 &&
669 		(IS_IVYBRIDGE(dev_priv) || IS_HASWELL(dev_priv));
670 }
671 
ivb_sprite_ctl(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)672 static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state,
673 			  const struct intel_plane_state *plane_state)
674 {
675 	struct drm_i915_private *dev_priv =
676 		to_i915(plane_state->uapi.plane->dev);
677 	const struct drm_framebuffer *fb = plane_state->hw.fb;
678 	unsigned int rotation = plane_state->hw.rotation;
679 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
680 	u32 sprctl;
681 
682 	sprctl = SPRITE_ENABLE;
683 
684 	if (IS_IVYBRIDGE(dev_priv))
685 		sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
686 
687 	switch (fb->format->format) {
688 	case DRM_FORMAT_XBGR8888:
689 		sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
690 		break;
691 	case DRM_FORMAT_XRGB8888:
692 		sprctl |= SPRITE_FORMAT_RGBX888;
693 		break;
694 	case DRM_FORMAT_XBGR2101010:
695 		sprctl |= SPRITE_FORMAT_RGBX101010 | SPRITE_RGB_ORDER_RGBX;
696 		break;
697 	case DRM_FORMAT_XRGB2101010:
698 		sprctl |= SPRITE_FORMAT_RGBX101010;
699 		break;
700 	case DRM_FORMAT_XBGR16161616F:
701 		sprctl |= SPRITE_FORMAT_RGBX161616 | SPRITE_RGB_ORDER_RGBX;
702 		break;
703 	case DRM_FORMAT_XRGB16161616F:
704 		sprctl |= SPRITE_FORMAT_RGBX161616;
705 		break;
706 	case DRM_FORMAT_YUYV:
707 		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
708 		break;
709 	case DRM_FORMAT_YVYU:
710 		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
711 		break;
712 	case DRM_FORMAT_UYVY:
713 		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
714 		break;
715 	case DRM_FORMAT_VYUY:
716 		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
717 		break;
718 	default:
719 		MISSING_CASE(fb->format->format);
720 		return 0;
721 	}
722 
723 	if (!ivb_need_sprite_gamma(plane_state))
724 		sprctl |= SPRITE_PLANE_GAMMA_DISABLE;
725 
726 	if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
727 		sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709;
728 
729 	if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
730 		sprctl |= SPRITE_YUV_RANGE_CORRECTION_DISABLE;
731 
732 	if (fb->modifier == I915_FORMAT_MOD_X_TILED)
733 		sprctl |= SPRITE_TILED;
734 
735 	if (rotation & DRM_MODE_ROTATE_180)
736 		sprctl |= SPRITE_ROTATE_180;
737 
738 	if (key->flags & I915_SET_COLORKEY_DESTINATION)
739 		sprctl |= SPRITE_DEST_KEY;
740 	else if (key->flags & I915_SET_COLORKEY_SOURCE)
741 		sprctl |= SPRITE_SOURCE_KEY;
742 
743 	return sprctl;
744 }
745 
ivb_sprite_linear_gamma(const struct intel_plane_state * plane_state,u16 gamma[18])746 static void ivb_sprite_linear_gamma(const struct intel_plane_state *plane_state,
747 				    u16 gamma[18])
748 {
749 	int scale, i;
750 
751 	/*
752 	 * WaFP16GammaEnabling:ivb,hsw
753 	 * "Workaround : When using the 64-bit format, the sprite output
754 	 *  on each color channel has one quarter amplitude. It can be
755 	 *  brought up to full amplitude by using sprite internal gamma
756 	 *  correction, pipe gamma correction, or pipe color space
757 	 *  conversion to multiply the sprite output by four."
758 	 */
759 	scale = 4;
760 
761 	for (i = 0; i < 16; i++)
762 		gamma[i] = min((scale * i << 10) / 16, (1 << 10) - 1);
763 
764 	gamma[i] = min((scale * i << 10) / 16, 1 << 10);
765 	i++;
766 
767 	gamma[i] = 3 << 10;
768 	i++;
769 }
770 
ivb_sprite_update_gamma(const struct intel_plane_state * plane_state)771 static void ivb_sprite_update_gamma(const struct intel_plane_state *plane_state)
772 {
773 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
774 	struct intel_display *display = to_intel_display(plane->base.dev);
775 	enum pipe pipe = plane->pipe;
776 	u16 gamma[18];
777 	int i;
778 
779 	if (!ivb_need_sprite_gamma(plane_state))
780 		return;
781 
782 	ivb_sprite_linear_gamma(plane_state, gamma);
783 
784 	/* FIXME these register are single buffered :( */
785 	for (i = 0; i < 16; i++)
786 		intel_de_write_fw(display, SPRGAMC(pipe, i),
787 				  gamma[i] << 20 | gamma[i] << 10 | gamma[i]);
788 
789 	intel_de_write_fw(display, SPRGAMC16(pipe, 0), gamma[i]);
790 	intel_de_write_fw(display, SPRGAMC16(pipe, 1), gamma[i]);
791 	intel_de_write_fw(display, SPRGAMC16(pipe, 2), gamma[i]);
792 	i++;
793 
794 	intel_de_write_fw(display, SPRGAMC17(pipe, 0), gamma[i]);
795 	intel_de_write_fw(display, SPRGAMC17(pipe, 1), gamma[i]);
796 	intel_de_write_fw(display, SPRGAMC17(pipe, 2), gamma[i]);
797 	i++;
798 }
799 
800 static void
ivb_sprite_update_noarm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)801 ivb_sprite_update_noarm(struct intel_dsb *dsb,
802 			struct intel_plane *plane,
803 			const struct intel_crtc_state *crtc_state,
804 			const struct intel_plane_state *plane_state)
805 {
806 	struct intel_display *display = to_intel_display(plane->base.dev);
807 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
808 	enum pipe pipe = plane->pipe;
809 	int crtc_x = plane_state->uapi.dst.x1;
810 	int crtc_y = plane_state->uapi.dst.y1;
811 	u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
812 	u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
813 	u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
814 	u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
815 	u32 sprscale = 0;
816 
817 	if (crtc_w != src_w || crtc_h != src_h)
818 		sprscale = SPRITE_SCALE_ENABLE |
819 			SPRITE_SRC_WIDTH(src_w - 1) |
820 			SPRITE_SRC_HEIGHT(src_h - 1);
821 
822 	intel_de_write_fw(display, SPRSTRIDE(pipe),
823 			  plane_state->view.color_plane[0].mapping_stride);
824 	intel_de_write_fw(display, SPRPOS(pipe),
825 			  SPRITE_POS_Y(crtc_y) | SPRITE_POS_X(crtc_x));
826 	intel_de_write_fw(display, SPRSIZE(pipe),
827 			  SPRITE_HEIGHT(crtc_h - 1) | SPRITE_WIDTH(crtc_w - 1));
828 	if (IS_IVYBRIDGE(dev_priv))
829 		intel_de_write_fw(display, SPRSCALE(pipe), sprscale);
830 }
831 
832 static void
ivb_sprite_update_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)833 ivb_sprite_update_arm(struct intel_dsb *dsb,
834 		      struct intel_plane *plane,
835 		      const struct intel_crtc_state *crtc_state,
836 		      const struct intel_plane_state *plane_state)
837 {
838 	struct intel_display *display = to_intel_display(plane->base.dev);
839 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
840 	enum pipe pipe = plane->pipe;
841 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
842 	u32 sprsurf_offset = plane_state->view.color_plane[0].offset;
843 	u32 x = plane_state->view.color_plane[0].x;
844 	u32 y = plane_state->view.color_plane[0].y;
845 	u32 sprctl, linear_offset;
846 
847 	sprctl = plane_state->ctl | ivb_sprite_ctl_crtc(crtc_state);
848 
849 	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
850 
851 	if (key->flags) {
852 		intel_de_write_fw(display, SPRKEYVAL(pipe), key->min_value);
853 		intel_de_write_fw(display, SPRKEYMSK(pipe),
854 				  key->channel_mask);
855 		intel_de_write_fw(display, SPRKEYMAX(pipe), key->max_value);
856 	}
857 
858 	/* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
859 	 * register */
860 	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
861 		intel_de_write_fw(display, SPROFFSET(pipe),
862 				  SPRITE_OFFSET_Y(y) | SPRITE_OFFSET_X(x));
863 	} else {
864 		intel_de_write_fw(display, SPRLINOFF(pipe), linear_offset);
865 		intel_de_write_fw(display, SPRTILEOFF(pipe),
866 				  SPRITE_OFFSET_Y(y) | SPRITE_OFFSET_X(x));
867 	}
868 
869 	/*
870 	 * The control register self-arms if the plane was previously
871 	 * disabled. Try to make the plane enable atomic by writing
872 	 * the control register just before the surface register.
873 	 */
874 	intel_de_write_fw(display, SPRCTL(pipe), sprctl);
875 	intel_de_write_fw(display, SPRSURF(pipe),
876 			  intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
877 
878 	ivb_sprite_update_gamma(plane_state);
879 }
880 
881 static void
ivb_sprite_disable_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state)882 ivb_sprite_disable_arm(struct intel_dsb *dsb,
883 		       struct intel_plane *plane,
884 		       const struct intel_crtc_state *crtc_state)
885 {
886 	struct intel_display *display = to_intel_display(plane->base.dev);
887 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
888 	enum pipe pipe = plane->pipe;
889 
890 	intel_de_write_fw(display, SPRCTL(pipe), 0);
891 	/* Disable the scaler */
892 	if (IS_IVYBRIDGE(dev_priv))
893 		intel_de_write_fw(display, SPRSCALE(pipe), 0);
894 	intel_de_write_fw(display, SPRSURF(pipe), 0);
895 }
896 
897 static bool
ivb_sprite_get_hw_state(struct intel_plane * plane,enum pipe * pipe)898 ivb_sprite_get_hw_state(struct intel_plane *plane,
899 			enum pipe *pipe)
900 {
901 	struct intel_display *display = to_intel_display(plane->base.dev);
902 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
903 	enum intel_display_power_domain power_domain;
904 	intel_wakeref_t wakeref;
905 	bool ret;
906 
907 	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
908 	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
909 	if (!wakeref)
910 		return false;
911 
912 	ret =  intel_de_read(display, SPRCTL(plane->pipe)) & SPRITE_ENABLE;
913 
914 	*pipe = plane->pipe;
915 
916 	intel_display_power_put(dev_priv, power_domain, wakeref);
917 
918 	return ret;
919 }
920 
g4x_sprite_min_cdclk(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)921 static int g4x_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
922 				const struct intel_plane_state *plane_state)
923 {
924 	const struct drm_framebuffer *fb = plane_state->hw.fb;
925 	unsigned int hscale, pixel_rate;
926 	unsigned int limit, decimate;
927 
928 	/*
929 	 * Note that crtc_state->pixel_rate accounts for both
930 	 * horizontal and vertical panel fitter downscaling factors.
931 	 * Pre-HSW bspec tells us to only consider the horizontal
932 	 * downscaling factor here. We ignore that and just consider
933 	 * both for simplicity.
934 	 */
935 	pixel_rate = crtc_state->pixel_rate;
936 
937 	/* Horizontal downscaling limits the maximum pixel rate */
938 	hscale = drm_rect_calc_hscale(&plane_state->uapi.src,
939 				      &plane_state->uapi.dst,
940 				      0, INT_MAX);
941 	hscale = max(hscale, 0x10000u);
942 
943 	/* Decimation steps at 2x,4x,8x,16x */
944 	decimate = ilog2(hscale >> 16);
945 	hscale >>= decimate;
946 
947 	/* Starting limit is 90% of cdclk */
948 	limit = 9;
949 
950 	/* -10% per decimation step */
951 	limit -= decimate;
952 
953 	/* -10% for RGB */
954 	if (!fb->format->is_yuv)
955 		limit--;
956 
957 	/*
958 	 * We should also do -10% if sprite scaling is enabled
959 	 * on the other pipe, but we can't really check for that,
960 	 * so we ignore it.
961 	 */
962 
963 	return DIV_ROUND_UP_ULL(mul_u32_u32(pixel_rate, 10 * hscale),
964 				limit << 16);
965 }
966 
967 static unsigned int
g4x_sprite_max_stride(struct intel_plane * plane,u32 pixel_format,u64 modifier,unsigned int rotation)968 g4x_sprite_max_stride(struct intel_plane *plane,
969 		      u32 pixel_format, u64 modifier,
970 		      unsigned int rotation)
971 {
972 	const struct drm_format_info *info = drm_format_info(pixel_format);
973 	int cpp = info->cpp[0];
974 
975 	/* Limit to 4k pixels to guarantee TILEOFF.x doesn't get too big. */
976 	if (modifier == I915_FORMAT_MOD_X_TILED)
977 		return min(4096 * cpp, 16 * 1024);
978 	else
979 		return 16 * 1024;
980 }
981 
982 static unsigned int
hsw_sprite_max_stride(struct intel_plane * plane,u32 pixel_format,u64 modifier,unsigned int rotation)983 hsw_sprite_max_stride(struct intel_plane *plane,
984 		      u32 pixel_format, u64 modifier,
985 		      unsigned int rotation)
986 {
987 	const struct drm_format_info *info = drm_format_info(pixel_format);
988 	int cpp = info->cpp[0];
989 
990 	/* Limit to 8k pixels to guarantee OFFSET.x doesn't get too big. */
991 	return min(8192 * cpp, 16 * 1024);
992 }
993 
g4x_sprite_min_alignment(struct intel_plane * plane,const struct drm_framebuffer * fb,int color_plane)994 static unsigned int g4x_sprite_min_alignment(struct intel_plane *plane,
995 					     const struct drm_framebuffer *fb,
996 					     int color_plane)
997 {
998 	return 4 * 1024;
999 }
1000 
g4x_sprite_ctl_crtc(const struct intel_crtc_state * crtc_state)1001 static u32 g4x_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
1002 {
1003 	u32 dvscntr = 0;
1004 
1005 	if (crtc_state->gamma_enable)
1006 		dvscntr |= DVS_PIPE_GAMMA_ENABLE;
1007 
1008 	if (crtc_state->csc_enable)
1009 		dvscntr |= DVS_PIPE_CSC_ENABLE;
1010 
1011 	return dvscntr;
1012 }
1013 
g4x_sprite_ctl(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1014 static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
1015 			  const struct intel_plane_state *plane_state)
1016 {
1017 	struct drm_i915_private *dev_priv =
1018 		to_i915(plane_state->uapi.plane->dev);
1019 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1020 	unsigned int rotation = plane_state->hw.rotation;
1021 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1022 	u32 dvscntr;
1023 
1024 	dvscntr = DVS_ENABLE;
1025 
1026 	if (IS_SANDYBRIDGE(dev_priv))
1027 		dvscntr |= DVS_TRICKLE_FEED_DISABLE;
1028 
1029 	switch (fb->format->format) {
1030 	case DRM_FORMAT_XBGR8888:
1031 		dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
1032 		break;
1033 	case DRM_FORMAT_XRGB8888:
1034 		dvscntr |= DVS_FORMAT_RGBX888;
1035 		break;
1036 	case DRM_FORMAT_XBGR2101010:
1037 		dvscntr |= DVS_FORMAT_RGBX101010 | DVS_RGB_ORDER_XBGR;
1038 		break;
1039 	case DRM_FORMAT_XRGB2101010:
1040 		dvscntr |= DVS_FORMAT_RGBX101010;
1041 		break;
1042 	case DRM_FORMAT_XBGR16161616F:
1043 		dvscntr |= DVS_FORMAT_RGBX161616 | DVS_RGB_ORDER_XBGR;
1044 		break;
1045 	case DRM_FORMAT_XRGB16161616F:
1046 		dvscntr |= DVS_FORMAT_RGBX161616;
1047 		break;
1048 	case DRM_FORMAT_YUYV:
1049 		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
1050 		break;
1051 	case DRM_FORMAT_YVYU:
1052 		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
1053 		break;
1054 	case DRM_FORMAT_UYVY:
1055 		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
1056 		break;
1057 	case DRM_FORMAT_VYUY:
1058 		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
1059 		break;
1060 	default:
1061 		MISSING_CASE(fb->format->format);
1062 		return 0;
1063 	}
1064 
1065 	if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
1066 		dvscntr |= DVS_YUV_FORMAT_BT709;
1067 
1068 	if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
1069 		dvscntr |= DVS_YUV_RANGE_CORRECTION_DISABLE;
1070 
1071 	if (fb->modifier == I915_FORMAT_MOD_X_TILED)
1072 		dvscntr |= DVS_TILED;
1073 
1074 	if (rotation & DRM_MODE_ROTATE_180)
1075 		dvscntr |= DVS_ROTATE_180;
1076 
1077 	if (key->flags & I915_SET_COLORKEY_DESTINATION)
1078 		dvscntr |= DVS_DEST_KEY;
1079 	else if (key->flags & I915_SET_COLORKEY_SOURCE)
1080 		dvscntr |= DVS_SOURCE_KEY;
1081 
1082 	return dvscntr;
1083 }
1084 
g4x_sprite_update_gamma(const struct intel_plane_state * plane_state)1085 static void g4x_sprite_update_gamma(const struct intel_plane_state *plane_state)
1086 {
1087 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1088 	struct intel_display *display = to_intel_display(plane->base.dev);
1089 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1090 	enum pipe pipe = plane->pipe;
1091 	u16 gamma[8];
1092 	int i;
1093 
1094 	/* Seems RGB data bypasses the gamma always */
1095 	if (!fb->format->is_yuv)
1096 		return;
1097 
1098 	i9xx_plane_linear_gamma(gamma);
1099 
1100 	/* FIXME these register are single buffered :( */
1101 	/* The two end points are implicit (0.0 and 1.0) */
1102 	for (i = 1; i < 8 - 1; i++)
1103 		intel_de_write_fw(display, DVSGAMC_G4X(pipe, i - 1),
1104 				  gamma[i] << 16 | gamma[i] << 8 | gamma[i]);
1105 }
1106 
ilk_sprite_linear_gamma(u16 gamma[17])1107 static void ilk_sprite_linear_gamma(u16 gamma[17])
1108 {
1109 	int i;
1110 
1111 	for (i = 0; i < 17; i++)
1112 		gamma[i] = (i << 10) / 16;
1113 }
1114 
ilk_sprite_update_gamma(const struct intel_plane_state * plane_state)1115 static void ilk_sprite_update_gamma(const struct intel_plane_state *plane_state)
1116 {
1117 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1118 	struct intel_display *display = to_intel_display(plane->base.dev);
1119 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1120 	enum pipe pipe = plane->pipe;
1121 	u16 gamma[17];
1122 	int i;
1123 
1124 	/* Seems RGB data bypasses the gamma always */
1125 	if (!fb->format->is_yuv)
1126 		return;
1127 
1128 	ilk_sprite_linear_gamma(gamma);
1129 
1130 	/* FIXME these register are single buffered :( */
1131 	for (i = 0; i < 16; i++)
1132 		intel_de_write_fw(display, DVSGAMC_ILK(pipe, i),
1133 				  gamma[i] << 20 | gamma[i] << 10 | gamma[i]);
1134 
1135 	intel_de_write_fw(display, DVSGAMCMAX_ILK(pipe, 0), gamma[i]);
1136 	intel_de_write_fw(display, DVSGAMCMAX_ILK(pipe, 1), gamma[i]);
1137 	intel_de_write_fw(display, DVSGAMCMAX_ILK(pipe, 2), gamma[i]);
1138 	i++;
1139 }
1140 
1141 static void
g4x_sprite_update_noarm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1142 g4x_sprite_update_noarm(struct intel_dsb *dsb,
1143 			struct intel_plane *plane,
1144 			const struct intel_crtc_state *crtc_state,
1145 			const struct intel_plane_state *plane_state)
1146 {
1147 	struct intel_display *display = to_intel_display(plane->base.dev);
1148 	enum pipe pipe = plane->pipe;
1149 	int crtc_x = plane_state->uapi.dst.x1;
1150 	int crtc_y = plane_state->uapi.dst.y1;
1151 	u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
1152 	u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
1153 	u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
1154 	u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
1155 	u32 dvsscale = 0;
1156 
1157 	if (crtc_w != src_w || crtc_h != src_h)
1158 		dvsscale = DVS_SCALE_ENABLE |
1159 			DVS_SRC_WIDTH(src_w - 1) |
1160 			DVS_SRC_HEIGHT(src_h - 1);
1161 
1162 	intel_de_write_fw(display, DVSSTRIDE(pipe),
1163 			  plane_state->view.color_plane[0].mapping_stride);
1164 	intel_de_write_fw(display, DVSPOS(pipe),
1165 			  DVS_POS_Y(crtc_y) | DVS_POS_X(crtc_x));
1166 	intel_de_write_fw(display, DVSSIZE(pipe),
1167 			  DVS_HEIGHT(crtc_h - 1) | DVS_WIDTH(crtc_w - 1));
1168 	intel_de_write_fw(display, DVSSCALE(pipe), dvsscale);
1169 }
1170 
1171 static void
g4x_sprite_update_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1172 g4x_sprite_update_arm(struct intel_dsb *dsb,
1173 		      struct intel_plane *plane,
1174 		      const struct intel_crtc_state *crtc_state,
1175 		      const struct intel_plane_state *plane_state)
1176 {
1177 	struct intel_display *display = to_intel_display(plane->base.dev);
1178 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1179 	enum pipe pipe = plane->pipe;
1180 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1181 	u32 dvssurf_offset = plane_state->view.color_plane[0].offset;
1182 	u32 x = plane_state->view.color_plane[0].x;
1183 	u32 y = plane_state->view.color_plane[0].y;
1184 	u32 dvscntr, linear_offset;
1185 
1186 	dvscntr = plane_state->ctl | g4x_sprite_ctl_crtc(crtc_state);
1187 
1188 	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
1189 
1190 	if (key->flags) {
1191 		intel_de_write_fw(display, DVSKEYVAL(pipe), key->min_value);
1192 		intel_de_write_fw(display, DVSKEYMSK(pipe),
1193 				  key->channel_mask);
1194 		intel_de_write_fw(display, DVSKEYMAX(pipe), key->max_value);
1195 	}
1196 
1197 	intel_de_write_fw(display, DVSLINOFF(pipe), linear_offset);
1198 	intel_de_write_fw(display, DVSTILEOFF(pipe),
1199 			  DVS_OFFSET_Y(y) | DVS_OFFSET_X(x));
1200 
1201 	/*
1202 	 * The control register self-arms if the plane was previously
1203 	 * disabled. Try to make the plane enable atomic by writing
1204 	 * the control register just before the surface register.
1205 	 */
1206 	intel_de_write_fw(display, DVSCNTR(pipe), dvscntr);
1207 	intel_de_write_fw(display, DVSSURF(pipe),
1208 			  intel_plane_ggtt_offset(plane_state) + dvssurf_offset);
1209 
1210 	if (IS_G4X(dev_priv))
1211 		g4x_sprite_update_gamma(plane_state);
1212 	else
1213 		ilk_sprite_update_gamma(plane_state);
1214 }
1215 
1216 static void
g4x_sprite_disable_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state)1217 g4x_sprite_disable_arm(struct intel_dsb *dsb,
1218 		       struct intel_plane *plane,
1219 		       const struct intel_crtc_state *crtc_state)
1220 {
1221 	struct intel_display *display = to_intel_display(plane->base.dev);
1222 	enum pipe pipe = plane->pipe;
1223 
1224 	intel_de_write_fw(display, DVSCNTR(pipe), 0);
1225 	/* Disable the scaler */
1226 	intel_de_write_fw(display, DVSSCALE(pipe), 0);
1227 	intel_de_write_fw(display, DVSSURF(pipe), 0);
1228 }
1229 
1230 static bool
g4x_sprite_get_hw_state(struct intel_plane * plane,enum pipe * pipe)1231 g4x_sprite_get_hw_state(struct intel_plane *plane,
1232 			enum pipe *pipe)
1233 {
1234 	struct intel_display *display = to_intel_display(plane->base.dev);
1235 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1236 	enum intel_display_power_domain power_domain;
1237 	intel_wakeref_t wakeref;
1238 	bool ret;
1239 
1240 	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
1241 	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
1242 	if (!wakeref)
1243 		return false;
1244 
1245 	ret = intel_de_read(display, DVSCNTR(plane->pipe)) & DVS_ENABLE;
1246 
1247 	*pipe = plane->pipe;
1248 
1249 	intel_display_power_put(dev_priv, power_domain, wakeref);
1250 
1251 	return ret;
1252 }
1253 
g4x_fb_scalable(const struct drm_framebuffer * fb)1254 static bool g4x_fb_scalable(const struct drm_framebuffer *fb)
1255 {
1256 	if (!fb)
1257 		return false;
1258 
1259 	switch (fb->format->format) {
1260 	case DRM_FORMAT_C8:
1261 	case DRM_FORMAT_XRGB16161616F:
1262 	case DRM_FORMAT_ARGB16161616F:
1263 	case DRM_FORMAT_XBGR16161616F:
1264 	case DRM_FORMAT_ABGR16161616F:
1265 		return false;
1266 	default:
1267 		return true;
1268 	}
1269 }
1270 
1271 static int
g4x_sprite_check_scaling(struct intel_crtc_state * crtc_state,struct intel_plane_state * plane_state)1272 g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state,
1273 			 struct intel_plane_state *plane_state)
1274 {
1275 	struct intel_display *display = to_intel_display(crtc_state);
1276 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1277 	const struct drm_rect *src = &plane_state->uapi.src;
1278 	const struct drm_rect *dst = &plane_state->uapi.dst;
1279 	int src_x, src_w, src_h, crtc_w, crtc_h;
1280 	const struct drm_display_mode *adjusted_mode =
1281 		&crtc_state->hw.adjusted_mode;
1282 	unsigned int stride = plane_state->view.color_plane[0].mapping_stride;
1283 	unsigned int cpp = fb->format->cpp[0];
1284 	unsigned int width_bytes;
1285 	int min_width, min_height;
1286 
1287 	crtc_w = drm_rect_width(dst);
1288 	crtc_h = drm_rect_height(dst);
1289 
1290 	src_x = src->x1 >> 16;
1291 	src_w = drm_rect_width(src) >> 16;
1292 	src_h = drm_rect_height(src) >> 16;
1293 
1294 	if (src_w == crtc_w && src_h == crtc_h)
1295 		return 0;
1296 
1297 	min_width = 3;
1298 
1299 	if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
1300 		if (src_h & 1) {
1301 			drm_dbg_kms(display->drm,
1302 				    "Source height must be even with interlaced modes\n");
1303 			return -EINVAL;
1304 		}
1305 		min_height = 6;
1306 	} else {
1307 		min_height = 3;
1308 	}
1309 
1310 	width_bytes = ((src_x * cpp) & 63) + src_w * cpp;
1311 
1312 	if (src_w < min_width || src_h < min_height ||
1313 	    src_w > 2048 || src_h > 2048) {
1314 		drm_dbg_kms(display->drm,
1315 			    "Source dimensions (%dx%d) exceed hardware limits (%dx%d - %dx%d)\n",
1316 			    src_w, src_h, min_width, min_height, 2048, 2048);
1317 		return -EINVAL;
1318 	}
1319 
1320 	if (width_bytes > 4096) {
1321 		drm_dbg_kms(display->drm,
1322 			    "Fetch width (%d) exceeds hardware max with scaling (%u)\n",
1323 			    width_bytes, 4096);
1324 		return -EINVAL;
1325 	}
1326 
1327 	if (stride > 4096) {
1328 		drm_dbg_kms(display->drm,
1329 			    "Stride (%u) exceeds hardware max with scaling (%u)\n",
1330 			    stride, 4096);
1331 		return -EINVAL;
1332 	}
1333 
1334 	return 0;
1335 }
1336 
1337 static int
g4x_sprite_check(struct intel_crtc_state * crtc_state,struct intel_plane_state * plane_state)1338 g4x_sprite_check(struct intel_crtc_state *crtc_state,
1339 		 struct intel_plane_state *plane_state)
1340 {
1341 	struct intel_display *display = to_intel_display(crtc_state);
1342 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1343 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1344 	int min_scale = DRM_PLANE_NO_SCALING;
1345 	int max_scale = DRM_PLANE_NO_SCALING;
1346 	int ret;
1347 
1348 	if (g4x_fb_scalable(plane_state->hw.fb)) {
1349 		if (DISPLAY_VER(display) < 7) {
1350 			min_scale = 1;
1351 			max_scale = 16 << 16;
1352 		} else if (IS_IVYBRIDGE(dev_priv)) {
1353 			min_scale = 1;
1354 			max_scale = 2 << 16;
1355 		}
1356 	}
1357 
1358 	ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
1359 						min_scale, max_scale, true);
1360 	if (ret)
1361 		return ret;
1362 
1363 	ret = i9xx_check_plane_surface(plane_state);
1364 	if (ret)
1365 		return ret;
1366 
1367 	if (!plane_state->uapi.visible)
1368 		return 0;
1369 
1370 	ret = intel_plane_check_src_coordinates(plane_state);
1371 	if (ret)
1372 		return ret;
1373 
1374 	ret = g4x_sprite_check_scaling(crtc_state, plane_state);
1375 	if (ret)
1376 		return ret;
1377 
1378 	if (DISPLAY_VER(display) >= 7)
1379 		plane_state->ctl = ivb_sprite_ctl(crtc_state, plane_state);
1380 	else
1381 		plane_state->ctl = g4x_sprite_ctl(crtc_state, plane_state);
1382 
1383 	return 0;
1384 }
1385 
chv_plane_check_rotation(const struct intel_plane_state * plane_state)1386 int chv_plane_check_rotation(const struct intel_plane_state *plane_state)
1387 {
1388 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1389 	struct intel_display *display = to_intel_display(plane->base.dev);
1390 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1391 	unsigned int rotation = plane_state->hw.rotation;
1392 
1393 	/* CHV ignores the mirror bit when the rotate bit is set :( */
1394 	if (IS_CHERRYVIEW(dev_priv) &&
1395 	    rotation & DRM_MODE_ROTATE_180 &&
1396 	    rotation & DRM_MODE_REFLECT_X) {
1397 		drm_dbg_kms(display->drm,
1398 			    "Cannot rotate and reflect at the same time\n");
1399 		return -EINVAL;
1400 	}
1401 
1402 	return 0;
1403 }
1404 
1405 static int
vlv_sprite_check(struct intel_crtc_state * crtc_state,struct intel_plane_state * plane_state)1406 vlv_sprite_check(struct intel_crtc_state *crtc_state,
1407 		 struct intel_plane_state *plane_state)
1408 {
1409 	int ret;
1410 
1411 	ret = chv_plane_check_rotation(plane_state);
1412 	if (ret)
1413 		return ret;
1414 
1415 	ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
1416 						DRM_PLANE_NO_SCALING,
1417 						DRM_PLANE_NO_SCALING,
1418 						true);
1419 	if (ret)
1420 		return ret;
1421 
1422 	ret = i9xx_check_plane_surface(plane_state);
1423 	if (ret)
1424 		return ret;
1425 
1426 	if (!plane_state->uapi.visible)
1427 		return 0;
1428 
1429 	ret = intel_plane_check_src_coordinates(plane_state);
1430 	if (ret)
1431 		return ret;
1432 
1433 	plane_state->ctl = vlv_sprite_ctl(crtc_state, plane_state);
1434 
1435 	return 0;
1436 }
1437 
1438 static const u32 g4x_sprite_formats[] = {
1439 	DRM_FORMAT_XRGB8888,
1440 	DRM_FORMAT_YUYV,
1441 	DRM_FORMAT_YVYU,
1442 	DRM_FORMAT_UYVY,
1443 	DRM_FORMAT_VYUY,
1444 };
1445 
1446 static const u32 snb_sprite_formats[] = {
1447 	DRM_FORMAT_XRGB8888,
1448 	DRM_FORMAT_XBGR8888,
1449 	DRM_FORMAT_XRGB2101010,
1450 	DRM_FORMAT_XBGR2101010,
1451 	DRM_FORMAT_XRGB16161616F,
1452 	DRM_FORMAT_XBGR16161616F,
1453 	DRM_FORMAT_YUYV,
1454 	DRM_FORMAT_YVYU,
1455 	DRM_FORMAT_UYVY,
1456 	DRM_FORMAT_VYUY,
1457 };
1458 
1459 static const u32 vlv_sprite_formats[] = {
1460 	DRM_FORMAT_C8,
1461 	DRM_FORMAT_RGB565,
1462 	DRM_FORMAT_XRGB8888,
1463 	DRM_FORMAT_XBGR8888,
1464 	DRM_FORMAT_ARGB8888,
1465 	DRM_FORMAT_ABGR8888,
1466 	DRM_FORMAT_XBGR2101010,
1467 	DRM_FORMAT_ABGR2101010,
1468 	DRM_FORMAT_YUYV,
1469 	DRM_FORMAT_YVYU,
1470 	DRM_FORMAT_UYVY,
1471 	DRM_FORMAT_VYUY,
1472 };
1473 
1474 static const u32 chv_pipe_b_sprite_formats[] = {
1475 	DRM_FORMAT_C8,
1476 	DRM_FORMAT_RGB565,
1477 	DRM_FORMAT_XRGB8888,
1478 	DRM_FORMAT_XBGR8888,
1479 	DRM_FORMAT_ARGB8888,
1480 	DRM_FORMAT_ABGR8888,
1481 	DRM_FORMAT_XRGB2101010,
1482 	DRM_FORMAT_XBGR2101010,
1483 	DRM_FORMAT_ARGB2101010,
1484 	DRM_FORMAT_ABGR2101010,
1485 	DRM_FORMAT_YUYV,
1486 	DRM_FORMAT_YVYU,
1487 	DRM_FORMAT_UYVY,
1488 	DRM_FORMAT_VYUY,
1489 };
1490 
g4x_sprite_format_mod_supported(struct drm_plane * _plane,u32 format,u64 modifier)1491 static bool g4x_sprite_format_mod_supported(struct drm_plane *_plane,
1492 					    u32 format, u64 modifier)
1493 {
1494 	if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
1495 		return false;
1496 
1497 	switch (format) {
1498 	case DRM_FORMAT_XRGB8888:
1499 	case DRM_FORMAT_YUYV:
1500 	case DRM_FORMAT_YVYU:
1501 	case DRM_FORMAT_UYVY:
1502 	case DRM_FORMAT_VYUY:
1503 		if (modifier == DRM_FORMAT_MOD_LINEAR ||
1504 		    modifier == I915_FORMAT_MOD_X_TILED)
1505 			return true;
1506 		fallthrough;
1507 	default:
1508 		return false;
1509 	}
1510 }
1511 
snb_sprite_format_mod_supported(struct drm_plane * _plane,u32 format,u64 modifier)1512 static bool snb_sprite_format_mod_supported(struct drm_plane *_plane,
1513 					    u32 format, u64 modifier)
1514 {
1515 	if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
1516 		return false;
1517 
1518 	switch (format) {
1519 	case DRM_FORMAT_XRGB8888:
1520 	case DRM_FORMAT_XBGR8888:
1521 	case DRM_FORMAT_XRGB2101010:
1522 	case DRM_FORMAT_XBGR2101010:
1523 	case DRM_FORMAT_XRGB16161616F:
1524 	case DRM_FORMAT_XBGR16161616F:
1525 	case DRM_FORMAT_YUYV:
1526 	case DRM_FORMAT_YVYU:
1527 	case DRM_FORMAT_UYVY:
1528 	case DRM_FORMAT_VYUY:
1529 		if (modifier == DRM_FORMAT_MOD_LINEAR ||
1530 		    modifier == I915_FORMAT_MOD_X_TILED)
1531 			return true;
1532 		fallthrough;
1533 	default:
1534 		return false;
1535 	}
1536 }
1537 
vlv_sprite_format_mod_supported(struct drm_plane * _plane,u32 format,u64 modifier)1538 static bool vlv_sprite_format_mod_supported(struct drm_plane *_plane,
1539 					    u32 format, u64 modifier)
1540 {
1541 	if (!intel_fb_plane_supports_modifier(to_intel_plane(_plane), modifier))
1542 		return false;
1543 
1544 	switch (format) {
1545 	case DRM_FORMAT_C8:
1546 	case DRM_FORMAT_RGB565:
1547 	case DRM_FORMAT_ABGR8888:
1548 	case DRM_FORMAT_ARGB8888:
1549 	case DRM_FORMAT_XBGR8888:
1550 	case DRM_FORMAT_XRGB8888:
1551 	case DRM_FORMAT_XBGR2101010:
1552 	case DRM_FORMAT_ABGR2101010:
1553 	case DRM_FORMAT_XRGB2101010:
1554 	case DRM_FORMAT_ARGB2101010:
1555 	case DRM_FORMAT_YUYV:
1556 	case DRM_FORMAT_YVYU:
1557 	case DRM_FORMAT_UYVY:
1558 	case DRM_FORMAT_VYUY:
1559 		if (modifier == DRM_FORMAT_MOD_LINEAR ||
1560 		    modifier == I915_FORMAT_MOD_X_TILED)
1561 			return true;
1562 		fallthrough;
1563 	default:
1564 		return false;
1565 	}
1566 }
1567 
1568 static const struct drm_plane_funcs g4x_sprite_funcs = {
1569 	.update_plane = drm_atomic_helper_update_plane,
1570 	.disable_plane = drm_atomic_helper_disable_plane,
1571 	.destroy = intel_plane_destroy,
1572 	.atomic_duplicate_state = intel_plane_duplicate_state,
1573 	.atomic_destroy_state = intel_plane_destroy_state,
1574 	.format_mod_supported = g4x_sprite_format_mod_supported,
1575 };
1576 
1577 static const struct drm_plane_funcs snb_sprite_funcs = {
1578 	.update_plane = drm_atomic_helper_update_plane,
1579 	.disable_plane = drm_atomic_helper_disable_plane,
1580 	.destroy = intel_plane_destroy,
1581 	.atomic_duplicate_state = intel_plane_duplicate_state,
1582 	.atomic_destroy_state = intel_plane_destroy_state,
1583 	.format_mod_supported = snb_sprite_format_mod_supported,
1584 };
1585 
1586 static const struct drm_plane_funcs vlv_sprite_funcs = {
1587 	.update_plane = drm_atomic_helper_update_plane,
1588 	.disable_plane = drm_atomic_helper_disable_plane,
1589 	.destroy = intel_plane_destroy,
1590 	.atomic_duplicate_state = intel_plane_duplicate_state,
1591 	.atomic_destroy_state = intel_plane_destroy_state,
1592 	.format_mod_supported = vlv_sprite_format_mod_supported,
1593 };
1594 
1595 struct intel_plane *
intel_sprite_plane_create(struct drm_i915_private * dev_priv,enum pipe pipe,int sprite)1596 intel_sprite_plane_create(struct drm_i915_private *dev_priv,
1597 			  enum pipe pipe, int sprite)
1598 {
1599 	struct intel_display *display = &dev_priv->display;
1600 	struct intel_plane *plane;
1601 	const struct drm_plane_funcs *plane_funcs;
1602 	unsigned int supported_rotations;
1603 	const u64 *modifiers;
1604 	const u32 *formats;
1605 	int num_formats;
1606 	int ret, zpos;
1607 
1608 	plane = intel_plane_alloc();
1609 	if (IS_ERR(plane))
1610 		return plane;
1611 
1612 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
1613 		plane->update_noarm = vlv_sprite_update_noarm;
1614 		plane->update_arm = vlv_sprite_update_arm;
1615 		plane->disable_arm = vlv_sprite_disable_arm;
1616 		plane->get_hw_state = vlv_sprite_get_hw_state;
1617 		plane->check_plane = vlv_sprite_check;
1618 		plane->max_stride = i965_plane_max_stride;
1619 		plane->min_alignment = vlv_sprite_min_alignment;
1620 		plane->min_cdclk = vlv_plane_min_cdclk;
1621 
1622 		if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
1623 			formats = chv_pipe_b_sprite_formats;
1624 			num_formats = ARRAY_SIZE(chv_pipe_b_sprite_formats);
1625 		} else {
1626 			formats = vlv_sprite_formats;
1627 			num_formats = ARRAY_SIZE(vlv_sprite_formats);
1628 		}
1629 
1630 		plane_funcs = &vlv_sprite_funcs;
1631 	} else if (DISPLAY_VER(display) >= 7) {
1632 		plane->update_noarm = ivb_sprite_update_noarm;
1633 		plane->update_arm = ivb_sprite_update_arm;
1634 		plane->disable_arm = ivb_sprite_disable_arm;
1635 		plane->get_hw_state = ivb_sprite_get_hw_state;
1636 		plane->check_plane = g4x_sprite_check;
1637 
1638 		if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) {
1639 			plane->max_stride = hsw_sprite_max_stride;
1640 			plane->min_cdclk = hsw_plane_min_cdclk;
1641 		} else {
1642 			plane->max_stride = g4x_sprite_max_stride;
1643 			plane->min_cdclk = ivb_sprite_min_cdclk;
1644 		}
1645 
1646 		plane->min_alignment = g4x_sprite_min_alignment;
1647 
1648 		formats = snb_sprite_formats;
1649 		num_formats = ARRAY_SIZE(snb_sprite_formats);
1650 
1651 		plane_funcs = &snb_sprite_funcs;
1652 	} else {
1653 		plane->update_noarm = g4x_sprite_update_noarm;
1654 		plane->update_arm = g4x_sprite_update_arm;
1655 		plane->disable_arm = g4x_sprite_disable_arm;
1656 		plane->get_hw_state = g4x_sprite_get_hw_state;
1657 		plane->check_plane = g4x_sprite_check;
1658 		plane->max_stride = g4x_sprite_max_stride;
1659 		plane->min_alignment = g4x_sprite_min_alignment;
1660 		plane->min_cdclk = g4x_sprite_min_cdclk;
1661 
1662 		if (IS_SANDYBRIDGE(dev_priv)) {
1663 			formats = snb_sprite_formats;
1664 			num_formats = ARRAY_SIZE(snb_sprite_formats);
1665 
1666 			plane_funcs = &snb_sprite_funcs;
1667 		} else {
1668 			formats = g4x_sprite_formats;
1669 			num_formats = ARRAY_SIZE(g4x_sprite_formats);
1670 
1671 			plane_funcs = &g4x_sprite_funcs;
1672 		}
1673 	}
1674 
1675 	if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
1676 		supported_rotations =
1677 			DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 |
1678 			DRM_MODE_REFLECT_X;
1679 	} else {
1680 		supported_rotations =
1681 			DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
1682 	}
1683 
1684 	plane->pipe = pipe;
1685 	plane->id = PLANE_SPRITE0 + sprite;
1686 	plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane->id);
1687 
1688 	modifiers = intel_fb_plane_get_modifiers(dev_priv, INTEL_PLANE_CAP_TILING_X);
1689 
1690 	ret = drm_universal_plane_init(display->drm, &plane->base,
1691 				       0, plane_funcs,
1692 				       formats, num_formats, modifiers,
1693 				       DRM_PLANE_TYPE_OVERLAY,
1694 				       "sprite %c", sprite_name(display, pipe, sprite));
1695 	kfree(modifiers);
1696 
1697 	if (ret)
1698 		goto fail;
1699 
1700 	drm_plane_create_rotation_property(&plane->base,
1701 					   DRM_MODE_ROTATE_0,
1702 					   supported_rotations);
1703 
1704 	drm_plane_create_color_properties(&plane->base,
1705 					  BIT(DRM_COLOR_YCBCR_BT601) |
1706 					  BIT(DRM_COLOR_YCBCR_BT709),
1707 					  BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
1708 					  BIT(DRM_COLOR_YCBCR_FULL_RANGE),
1709 					  DRM_COLOR_YCBCR_BT709,
1710 					  DRM_COLOR_YCBCR_LIMITED_RANGE);
1711 
1712 	zpos = sprite + 1;
1713 	drm_plane_create_zpos_immutable_property(&plane->base, zpos);
1714 
1715 	intel_plane_helper_add(plane);
1716 
1717 	return plane;
1718 
1719 fail:
1720 	intel_plane_free(plane);
1721 
1722 	return ERR_PTR(ret);
1723 }
1724