xref: /linux/drivers/gpu/drm/i915/display/skl_universal_plane.c (revision 3fd6c59042dbba50391e30862beac979491145fe)
1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright © 2020 Intel Corporation
4  */
5 
6 #include <drm/drm_atomic_helper.h>
7 #include <drm/drm_blend.h>
8 #include <drm/drm_damage_helper.h>
9 #include <drm/drm_fourcc.h>
10 
11 #include "i915_drv.h"
12 #include "i915_reg.h"
13 #include "intel_atomic_plane.h"
14 #include "intel_bo.h"
15 #include "intel_de.h"
16 #include "intel_display_irq.h"
17 #include "intel_display_types.h"
18 #include "intel_dpt.h"
19 #include "intel_fb.h"
20 #include "intel_fbc.h"
21 #include "intel_frontbuffer.h"
22 #include "intel_psr.h"
23 #include "intel_psr_regs.h"
24 #include "skl_scaler.h"
25 #include "skl_universal_plane.h"
26 #include "skl_universal_plane_regs.h"
27 #include "skl_watermark.h"
28 #include "pxp/intel_pxp.h"
29 
30 static const u32 skl_plane_formats[] = {
31 	DRM_FORMAT_C8,
32 	DRM_FORMAT_RGB565,
33 	DRM_FORMAT_XRGB8888,
34 	DRM_FORMAT_XBGR8888,
35 	DRM_FORMAT_ARGB8888,
36 	DRM_FORMAT_ABGR8888,
37 	DRM_FORMAT_XRGB2101010,
38 	DRM_FORMAT_XBGR2101010,
39 	DRM_FORMAT_XRGB16161616F,
40 	DRM_FORMAT_XBGR16161616F,
41 	DRM_FORMAT_YUYV,
42 	DRM_FORMAT_YVYU,
43 	DRM_FORMAT_UYVY,
44 	DRM_FORMAT_VYUY,
45 	DRM_FORMAT_XYUV8888,
46 };
47 
48 static const u32 skl_planar_formats[] = {
49 	DRM_FORMAT_C8,
50 	DRM_FORMAT_RGB565,
51 	DRM_FORMAT_XRGB8888,
52 	DRM_FORMAT_XBGR8888,
53 	DRM_FORMAT_ARGB8888,
54 	DRM_FORMAT_ABGR8888,
55 	DRM_FORMAT_XRGB2101010,
56 	DRM_FORMAT_XBGR2101010,
57 	DRM_FORMAT_XRGB16161616F,
58 	DRM_FORMAT_XBGR16161616F,
59 	DRM_FORMAT_YUYV,
60 	DRM_FORMAT_YVYU,
61 	DRM_FORMAT_UYVY,
62 	DRM_FORMAT_VYUY,
63 	DRM_FORMAT_NV12,
64 	DRM_FORMAT_XYUV8888,
65 };
66 
67 static const u32 glk_planar_formats[] = {
68 	DRM_FORMAT_C8,
69 	DRM_FORMAT_RGB565,
70 	DRM_FORMAT_XRGB8888,
71 	DRM_FORMAT_XBGR8888,
72 	DRM_FORMAT_ARGB8888,
73 	DRM_FORMAT_ABGR8888,
74 	DRM_FORMAT_XRGB2101010,
75 	DRM_FORMAT_XBGR2101010,
76 	DRM_FORMAT_XRGB16161616F,
77 	DRM_FORMAT_XBGR16161616F,
78 	DRM_FORMAT_YUYV,
79 	DRM_FORMAT_YVYU,
80 	DRM_FORMAT_UYVY,
81 	DRM_FORMAT_VYUY,
82 	DRM_FORMAT_NV12,
83 	DRM_FORMAT_XYUV8888,
84 	DRM_FORMAT_P010,
85 	DRM_FORMAT_P012,
86 	DRM_FORMAT_P016,
87 };
88 
89 static const u32 icl_sdr_y_plane_formats[] = {
90 	DRM_FORMAT_C8,
91 	DRM_FORMAT_RGB565,
92 	DRM_FORMAT_XRGB8888,
93 	DRM_FORMAT_XBGR8888,
94 	DRM_FORMAT_ARGB8888,
95 	DRM_FORMAT_ABGR8888,
96 	DRM_FORMAT_XRGB2101010,
97 	DRM_FORMAT_XBGR2101010,
98 	DRM_FORMAT_ARGB2101010,
99 	DRM_FORMAT_ABGR2101010,
100 	DRM_FORMAT_YUYV,
101 	DRM_FORMAT_YVYU,
102 	DRM_FORMAT_UYVY,
103 	DRM_FORMAT_VYUY,
104 	DRM_FORMAT_Y210,
105 	DRM_FORMAT_Y212,
106 	DRM_FORMAT_Y216,
107 	DRM_FORMAT_XYUV8888,
108 	DRM_FORMAT_XVYU2101010,
109 	DRM_FORMAT_XVYU12_16161616,
110 	DRM_FORMAT_XVYU16161616,
111 };
112 
113 static const u32 icl_sdr_uv_plane_formats[] = {
114 	DRM_FORMAT_C8,
115 	DRM_FORMAT_RGB565,
116 	DRM_FORMAT_XRGB8888,
117 	DRM_FORMAT_XBGR8888,
118 	DRM_FORMAT_ARGB8888,
119 	DRM_FORMAT_ABGR8888,
120 	DRM_FORMAT_XRGB2101010,
121 	DRM_FORMAT_XBGR2101010,
122 	DRM_FORMAT_ARGB2101010,
123 	DRM_FORMAT_ABGR2101010,
124 	DRM_FORMAT_YUYV,
125 	DRM_FORMAT_YVYU,
126 	DRM_FORMAT_UYVY,
127 	DRM_FORMAT_VYUY,
128 	DRM_FORMAT_NV12,
129 	DRM_FORMAT_P010,
130 	DRM_FORMAT_P012,
131 	DRM_FORMAT_P016,
132 	DRM_FORMAT_Y210,
133 	DRM_FORMAT_Y212,
134 	DRM_FORMAT_Y216,
135 	DRM_FORMAT_XYUV8888,
136 	DRM_FORMAT_XVYU2101010,
137 	DRM_FORMAT_XVYU12_16161616,
138 	DRM_FORMAT_XVYU16161616,
139 };
140 
141 static const u32 icl_hdr_plane_formats[] = {
142 	DRM_FORMAT_C8,
143 	DRM_FORMAT_RGB565,
144 	DRM_FORMAT_XRGB8888,
145 	DRM_FORMAT_XBGR8888,
146 	DRM_FORMAT_ARGB8888,
147 	DRM_FORMAT_ABGR8888,
148 	DRM_FORMAT_XRGB2101010,
149 	DRM_FORMAT_XBGR2101010,
150 	DRM_FORMAT_ARGB2101010,
151 	DRM_FORMAT_ABGR2101010,
152 	DRM_FORMAT_XRGB16161616F,
153 	DRM_FORMAT_XBGR16161616F,
154 	DRM_FORMAT_ARGB16161616F,
155 	DRM_FORMAT_ABGR16161616F,
156 	DRM_FORMAT_YUYV,
157 	DRM_FORMAT_YVYU,
158 	DRM_FORMAT_UYVY,
159 	DRM_FORMAT_VYUY,
160 	DRM_FORMAT_NV12,
161 	DRM_FORMAT_P010,
162 	DRM_FORMAT_P012,
163 	DRM_FORMAT_P016,
164 	DRM_FORMAT_Y210,
165 	DRM_FORMAT_Y212,
166 	DRM_FORMAT_Y216,
167 	DRM_FORMAT_XYUV8888,
168 	DRM_FORMAT_XVYU2101010,
169 	DRM_FORMAT_XVYU12_16161616,
170 	DRM_FORMAT_XVYU16161616,
171 };
172 
skl_format_to_fourcc(int format,bool rgb_order,bool alpha)173 int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
174 {
175 	switch (format) {
176 	case PLANE_CTL_FORMAT_RGB_565:
177 		return DRM_FORMAT_RGB565;
178 	case PLANE_CTL_FORMAT_NV12:
179 		return DRM_FORMAT_NV12;
180 	case PLANE_CTL_FORMAT_XYUV:
181 		return DRM_FORMAT_XYUV8888;
182 	case PLANE_CTL_FORMAT_P010:
183 		return DRM_FORMAT_P010;
184 	case PLANE_CTL_FORMAT_P012:
185 		return DRM_FORMAT_P012;
186 	case PLANE_CTL_FORMAT_P016:
187 		return DRM_FORMAT_P016;
188 	case PLANE_CTL_FORMAT_Y210:
189 		return DRM_FORMAT_Y210;
190 	case PLANE_CTL_FORMAT_Y212:
191 		return DRM_FORMAT_Y212;
192 	case PLANE_CTL_FORMAT_Y216:
193 		return DRM_FORMAT_Y216;
194 	case PLANE_CTL_FORMAT_Y410:
195 		return DRM_FORMAT_XVYU2101010;
196 	case PLANE_CTL_FORMAT_Y412:
197 		return DRM_FORMAT_XVYU12_16161616;
198 	case PLANE_CTL_FORMAT_Y416:
199 		return DRM_FORMAT_XVYU16161616;
200 	default:
201 	case PLANE_CTL_FORMAT_XRGB_8888:
202 		if (rgb_order) {
203 			if (alpha)
204 				return DRM_FORMAT_ABGR8888;
205 			else
206 				return DRM_FORMAT_XBGR8888;
207 		} else {
208 			if (alpha)
209 				return DRM_FORMAT_ARGB8888;
210 			else
211 				return DRM_FORMAT_XRGB8888;
212 		}
213 	case PLANE_CTL_FORMAT_XRGB_2101010:
214 		if (rgb_order) {
215 			if (alpha)
216 				return DRM_FORMAT_ABGR2101010;
217 			else
218 				return DRM_FORMAT_XBGR2101010;
219 		} else {
220 			if (alpha)
221 				return DRM_FORMAT_ARGB2101010;
222 			else
223 				return DRM_FORMAT_XRGB2101010;
224 		}
225 	case PLANE_CTL_FORMAT_XRGB_16161616F:
226 		if (rgb_order) {
227 			if (alpha)
228 				return DRM_FORMAT_ABGR16161616F;
229 			else
230 				return DRM_FORMAT_XBGR16161616F;
231 		} else {
232 			if (alpha)
233 				return DRM_FORMAT_ARGB16161616F;
234 			else
235 				return DRM_FORMAT_XRGB16161616F;
236 		}
237 	}
238 }
239 
icl_nv12_y_plane_mask(struct drm_i915_private * i915)240 static u8 icl_nv12_y_plane_mask(struct drm_i915_private *i915)
241 {
242 	if (DISPLAY_VER(i915) >= 13 || HAS_D12_PLANE_MINIMIZATION(i915))
243 		return BIT(PLANE_4) | BIT(PLANE_5);
244 	else
245 		return BIT(PLANE_6) | BIT(PLANE_7);
246 }
247 
icl_is_nv12_y_plane(struct drm_i915_private * dev_priv,enum plane_id plane_id)248 bool icl_is_nv12_y_plane(struct drm_i915_private *dev_priv,
249 			 enum plane_id plane_id)
250 {
251 	return DISPLAY_VER(dev_priv) >= 11 &&
252 		icl_nv12_y_plane_mask(dev_priv) & BIT(plane_id);
253 }
254 
icl_hdr_plane_mask(void)255 u8 icl_hdr_plane_mask(void)
256 {
257 	return BIT(PLANE_1) | BIT(PLANE_2) | BIT(PLANE_3);
258 }
259 
icl_is_hdr_plane(struct drm_i915_private * dev_priv,enum plane_id plane_id)260 bool icl_is_hdr_plane(struct drm_i915_private *dev_priv, enum plane_id plane_id)
261 {
262 	return DISPLAY_VER(dev_priv) >= 11 &&
263 		icl_hdr_plane_mask() & BIT(plane_id);
264 }
265 
icl_plane_min_cdclk(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)266 static int icl_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
267 			       const struct intel_plane_state *plane_state)
268 {
269 	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
270 
271 	/* two pixels per clock */
272 	return DIV_ROUND_UP(pixel_rate, 2);
273 }
274 
275 static void
glk_plane_ratio(const struct intel_plane_state * plane_state,unsigned int * num,unsigned int * den)276 glk_plane_ratio(const struct intel_plane_state *plane_state,
277 		unsigned int *num, unsigned int *den)
278 {
279 	const struct drm_framebuffer *fb = plane_state->hw.fb;
280 
281 	if (fb->format->cpp[0] == 8) {
282 		*num = 10;
283 		*den = 8;
284 	} else {
285 		*num = 1;
286 		*den = 1;
287 	}
288 }
289 
glk_plane_min_cdclk(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)290 static int glk_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
291 			       const struct intel_plane_state *plane_state)
292 {
293 	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
294 	unsigned int num, den;
295 
296 	glk_plane_ratio(plane_state, &num, &den);
297 
298 	/* two pixels per clock */
299 	return DIV_ROUND_UP(pixel_rate * num, 2 * den);
300 }
301 
302 static void
skl_plane_ratio(const struct intel_plane_state * plane_state,unsigned int * num,unsigned int * den)303 skl_plane_ratio(const struct intel_plane_state *plane_state,
304 		unsigned int *num, unsigned int *den)
305 {
306 	const struct drm_framebuffer *fb = plane_state->hw.fb;
307 
308 	if (fb->format->cpp[0] == 8) {
309 		*num = 9;
310 		*den = 8;
311 	} else {
312 		*num = 1;
313 		*den = 1;
314 	}
315 }
316 
skl_plane_min_cdclk(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)317 static int skl_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
318 			       const struct intel_plane_state *plane_state)
319 {
320 	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
321 	unsigned int num, den;
322 
323 	skl_plane_ratio(plane_state, &num, &den);
324 
325 	return DIV_ROUND_UP(pixel_rate * num, den);
326 }
327 
skl_plane_max_width(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)328 static int skl_plane_max_width(const struct drm_framebuffer *fb,
329 			       int color_plane,
330 			       unsigned int rotation)
331 {
332 	int cpp = fb->format->cpp[color_plane];
333 
334 	switch (fb->modifier) {
335 	case DRM_FORMAT_MOD_LINEAR:
336 	case I915_FORMAT_MOD_X_TILED:
337 		/*
338 		 * Validated limit is 4k, but has 5k should
339 		 * work apart from the following features:
340 		 * - Ytile (already limited to 4k)
341 		 * - FP16 (already limited to 4k)
342 		 * - render compression (already limited to 4k)
343 		 * - KVMR sprite and cursor (don't care)
344 		 * - horizontal panning (TODO verify this)
345 		 * - pipe and plane scaling (TODO verify this)
346 		 */
347 		if (cpp == 8)
348 			return 4096;
349 		else
350 			return 5120;
351 	case I915_FORMAT_MOD_Y_TILED_CCS:
352 	case I915_FORMAT_MOD_Yf_TILED_CCS:
353 		/* FIXME AUX plane? */
354 	case I915_FORMAT_MOD_Y_TILED:
355 	case I915_FORMAT_MOD_Yf_TILED:
356 		if (cpp == 8)
357 			return 2048;
358 		else
359 			return 4096;
360 	default:
361 		MISSING_CASE(fb->modifier);
362 		return 2048;
363 	}
364 }
365 
glk_plane_max_width(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)366 static int glk_plane_max_width(const struct drm_framebuffer *fb,
367 			       int color_plane,
368 			       unsigned int rotation)
369 {
370 	int cpp = fb->format->cpp[color_plane];
371 
372 	switch (fb->modifier) {
373 	case DRM_FORMAT_MOD_LINEAR:
374 	case I915_FORMAT_MOD_X_TILED:
375 		if (cpp == 8)
376 			return 4096;
377 		else
378 			return 5120;
379 	case I915_FORMAT_MOD_Y_TILED_CCS:
380 	case I915_FORMAT_MOD_Yf_TILED_CCS:
381 		/* FIXME AUX plane? */
382 	case I915_FORMAT_MOD_Y_TILED:
383 	case I915_FORMAT_MOD_Yf_TILED:
384 		if (cpp == 8)
385 			return 2048;
386 		else
387 			return 5120;
388 	default:
389 		MISSING_CASE(fb->modifier);
390 		return 2048;
391 	}
392 }
393 
icl_plane_min_width(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)394 static int icl_plane_min_width(const struct drm_framebuffer *fb,
395 			       int color_plane,
396 			       unsigned int rotation)
397 {
398 	/* Wa_14011264657, Wa_14011050563: gen11+ */
399 	switch (fb->format->format) {
400 	case DRM_FORMAT_C8:
401 		return 18;
402 	case DRM_FORMAT_RGB565:
403 		return 10;
404 	case DRM_FORMAT_XRGB8888:
405 	case DRM_FORMAT_XBGR8888:
406 	case DRM_FORMAT_ARGB8888:
407 	case DRM_FORMAT_ABGR8888:
408 	case DRM_FORMAT_XRGB2101010:
409 	case DRM_FORMAT_XBGR2101010:
410 	case DRM_FORMAT_ARGB2101010:
411 	case DRM_FORMAT_ABGR2101010:
412 	case DRM_FORMAT_XVYU2101010:
413 	case DRM_FORMAT_Y212:
414 	case DRM_FORMAT_Y216:
415 		return 6;
416 	case DRM_FORMAT_NV12:
417 		return 20;
418 	case DRM_FORMAT_P010:
419 	case DRM_FORMAT_P012:
420 	case DRM_FORMAT_P016:
421 		return 12;
422 	case DRM_FORMAT_XRGB16161616F:
423 	case DRM_FORMAT_XBGR16161616F:
424 	case DRM_FORMAT_ARGB16161616F:
425 	case DRM_FORMAT_ABGR16161616F:
426 	case DRM_FORMAT_XVYU12_16161616:
427 	case DRM_FORMAT_XVYU16161616:
428 		return 4;
429 	default:
430 		return 1;
431 	}
432 }
433 
xe3_plane_max_width(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)434 static int xe3_plane_max_width(const struct drm_framebuffer *fb,
435 			       int color_plane,
436 			       unsigned int rotation)
437 {
438 	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
439 		return 4096;
440 	else
441 		return 6144;
442 }
443 
icl_hdr_plane_max_width(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)444 static int icl_hdr_plane_max_width(const struct drm_framebuffer *fb,
445 				   int color_plane,
446 				   unsigned int rotation)
447 {
448 	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
449 		return 4096;
450 	else
451 		return 5120;
452 }
453 
icl_sdr_plane_max_width(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)454 static int icl_sdr_plane_max_width(const struct drm_framebuffer *fb,
455 				   int color_plane,
456 				   unsigned int rotation)
457 {
458 	return 5120;
459 }
460 
skl_plane_max_height(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)461 static int skl_plane_max_height(const struct drm_framebuffer *fb,
462 				int color_plane,
463 				unsigned int rotation)
464 {
465 	return 4096;
466 }
467 
icl_plane_max_height(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)468 static int icl_plane_max_height(const struct drm_framebuffer *fb,
469 				int color_plane,
470 				unsigned int rotation)
471 {
472 	return 4320;
473 }
474 
475 static unsigned int
plane_max_stride(struct intel_plane * plane,u32 pixel_format,u64 modifier,unsigned int rotation,unsigned int max_pixels,unsigned int max_bytes)476 plane_max_stride(struct intel_plane *plane,
477 		 u32 pixel_format, u64 modifier,
478 		 unsigned int rotation,
479 		 unsigned int max_pixels,
480 		 unsigned int max_bytes)
481 {
482 	const struct drm_format_info *info = drm_format_info(pixel_format);
483 	int cpp = info->cpp[0];
484 
485 	if (drm_rotation_90_or_270(rotation))
486 		return min(max_pixels, max_bytes / cpp);
487 	else
488 		return min(max_pixels * cpp, max_bytes);
489 }
490 
491 static unsigned int
adl_plane_max_stride(struct intel_plane * plane,u32 pixel_format,u64 modifier,unsigned int rotation)492 adl_plane_max_stride(struct intel_plane *plane,
493 		     u32 pixel_format, u64 modifier,
494 		     unsigned int rotation)
495 {
496 	unsigned int max_pixels = 65536; /* PLANE_OFFSET limit */
497 	unsigned int max_bytes = 128 * 1024;
498 
499 	return plane_max_stride(plane, pixel_format,
500 				modifier, rotation,
501 				max_pixels, max_bytes);
502 }
503 
504 static unsigned int
skl_plane_max_stride(struct intel_plane * plane,u32 pixel_format,u64 modifier,unsigned int rotation)505 skl_plane_max_stride(struct intel_plane *plane,
506 		     u32 pixel_format, u64 modifier,
507 		     unsigned int rotation)
508 {
509 	unsigned int max_pixels = 8192; /* PLANE_OFFSET limit */
510 	unsigned int max_bytes = 32 * 1024;
511 
512 	return plane_max_stride(plane, pixel_format,
513 				modifier, rotation,
514 				max_pixels, max_bytes);
515 }
516 
tgl_plane_min_alignment(struct intel_plane * plane,const struct drm_framebuffer * fb,int color_plane)517 static u32 tgl_plane_min_alignment(struct intel_plane *plane,
518 				   const struct drm_framebuffer *fb,
519 				   int color_plane)
520 {
521 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
522 	/* PLANE_SURF GGTT -> DPT alignment */
523 	int mult = intel_fb_uses_dpt(fb) ? 512 : 1;
524 
525 	/* AUX_DIST needs only 4K alignment */
526 	if (intel_fb_is_ccs_aux_plane(fb, color_plane))
527 		return mult * 4 * 1024;
528 
529 	switch (fb->modifier) {
530 	case DRM_FORMAT_MOD_LINEAR:
531 	case I915_FORMAT_MOD_X_TILED:
532 	case I915_FORMAT_MOD_Y_TILED:
533 	case I915_FORMAT_MOD_4_TILED:
534 		/*
535 		 * FIXME ADL sees GGTT/DMAR faults with async
536 		 * flips unless we align to 16k at least.
537 		 * Figure out what's going on here...
538 		 */
539 		if (IS_ALDERLAKE_P(i915) && HAS_ASYNC_FLIPS(i915))
540 			return mult * 16 * 1024;
541 		return mult * 4 * 1024;
542 	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
543 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
544 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
545 	case I915_FORMAT_MOD_4_TILED_MTL_MC_CCS:
546 	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS:
547 	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS_CC:
548 	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
549 	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC:
550 	case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
551 	case I915_FORMAT_MOD_4_TILED_BMG_CCS:
552 	case I915_FORMAT_MOD_4_TILED_LNL_CCS:
553 		/*
554 		 * Align to at least 4x1 main surface
555 		 * tiles (16K) to match 64B of AUX.
556 		 */
557 		return max(mult * 4 * 1024, 16 * 1024);
558 	default:
559 		MISSING_CASE(fb->modifier);
560 		return 0;
561 	}
562 }
563 
skl_plane_min_alignment(struct intel_plane * plane,const struct drm_framebuffer * fb,int color_plane)564 static u32 skl_plane_min_alignment(struct intel_plane *plane,
565 				   const struct drm_framebuffer *fb,
566 				   int color_plane)
567 {
568 	/*
569 	 * AUX_DIST needs only 4K alignment,
570 	 * as does ICL UV PLANE_SURF.
571 	 */
572 	if (color_plane != 0)
573 		return 4 * 1024;
574 
575 	switch (fb->modifier) {
576 	case DRM_FORMAT_MOD_LINEAR:
577 	case I915_FORMAT_MOD_X_TILED:
578 		return 256 * 1024;
579 	case I915_FORMAT_MOD_Y_TILED_CCS:
580 	case I915_FORMAT_MOD_Yf_TILED_CCS:
581 	case I915_FORMAT_MOD_Y_TILED:
582 	case I915_FORMAT_MOD_Yf_TILED:
583 		return 1 * 1024 * 1024;
584 	default:
585 		MISSING_CASE(fb->modifier);
586 		return 0;
587 	}
588 }
589 
590 /* Preoffset values for YUV to RGB Conversion */
591 #define PREOFF_YUV_TO_RGB_HI		0x1800
592 #define PREOFF_YUV_TO_RGB_ME		0x0000
593 #define PREOFF_YUV_TO_RGB_LO		0x1800
594 
595 #define  ROFF(x)          (((x) & 0xffff) << 16)
596 #define  GOFF(x)          (((x) & 0xffff) << 0)
597 #define  BOFF(x)          (((x) & 0xffff) << 16)
598 
599 /*
600  * Programs the input color space conversion stage for ICL HDR planes.
601  * Note that it is assumed that this stage always happens after YUV
602  * range correction. Thus, the input to this stage is assumed to be
603  * in full-range YCbCr.
604  */
605 static void
icl_program_input_csc(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_plane_state * plane_state)606 icl_program_input_csc(struct intel_dsb *dsb,
607 		      struct intel_plane *plane,
608 		      const struct intel_plane_state *plane_state)
609 {
610 	struct intel_display *display = to_intel_display(plane->base.dev);
611 	enum pipe pipe = plane->pipe;
612 	enum plane_id plane_id = plane->id;
613 
614 	static const u16 input_csc_matrix[][9] = {
615 		/*
616 		 * BT.601 full range YCbCr -> full range RGB
617 		 * The matrix required is :
618 		 * [1.000, 0.000, 1.371,
619 		 *  1.000, -0.336, -0.698,
620 		 *  1.000, 1.732, 0.0000]
621 		 */
622 		[DRM_COLOR_YCBCR_BT601] = {
623 			0x7AF8, 0x7800, 0x0,
624 			0x8B28, 0x7800, 0x9AC0,
625 			0x0, 0x7800, 0x7DD8,
626 		},
627 		/*
628 		 * BT.709 full range YCbCr -> full range RGB
629 		 * The matrix required is :
630 		 * [1.000, 0.000, 1.574,
631 		 *  1.000, -0.187, -0.468,
632 		 *  1.000, 1.855, 0.0000]
633 		 */
634 		[DRM_COLOR_YCBCR_BT709] = {
635 			0x7C98, 0x7800, 0x0,
636 			0x9EF8, 0x7800, 0xAC00,
637 			0x0, 0x7800,  0x7ED8,
638 		},
639 		/*
640 		 * BT.2020 full range YCbCr -> full range RGB
641 		 * The matrix required is :
642 		 * [1.000, 0.000, 1.474,
643 		 *  1.000, -0.1645, -0.5713,
644 		 *  1.000, 1.8814, 0.0000]
645 		 */
646 		[DRM_COLOR_YCBCR_BT2020] = {
647 			0x7BC8, 0x7800, 0x0,
648 			0x8928, 0x7800, 0xAA88,
649 			0x0, 0x7800, 0x7F10,
650 		},
651 	};
652 	const u16 *csc = input_csc_matrix[plane_state->hw.color_encoding];
653 
654 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 0),
655 			   ROFF(csc[0]) | GOFF(csc[1]));
656 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 1),
657 			   BOFF(csc[2]));
658 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 2),
659 			   ROFF(csc[3]) | GOFF(csc[4]));
660 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 3),
661 			   BOFF(csc[5]));
662 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 4),
663 			   ROFF(csc[6]) | GOFF(csc[7]));
664 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 5),
665 			   BOFF(csc[8]));
666 
667 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 0),
668 			   PREOFF_YUV_TO_RGB_HI);
669 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1),
670 			   PREOFF_YUV_TO_RGB_ME);
671 	intel_de_write_dsb(display, dsb, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 2),
672 			   PREOFF_YUV_TO_RGB_LO);
673 	intel_de_write_dsb(display, dsb,
674 			   PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 0), 0x0);
675 	intel_de_write_dsb(display, dsb,
676 			   PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 1), 0x0);
677 	intel_de_write_dsb(display, dsb,
678 			   PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 2), 0x0);
679 }
680 
skl_plane_stride_mult(const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)681 static unsigned int skl_plane_stride_mult(const struct drm_framebuffer *fb,
682 					  int color_plane, unsigned int rotation)
683 {
684 	/*
685 	 * The stride is either expressed as a multiple of 64 bytes chunks for
686 	 * linear buffers or in number of tiles for tiled buffers.
687 	 */
688 	if (is_surface_linear(fb, color_plane))
689 		return 64;
690 	else if (drm_rotation_90_or_270(rotation))
691 		return intel_tile_height(fb, color_plane);
692 	else
693 		return intel_tile_width_bytes(fb, color_plane);
694 }
695 
skl_plane_stride(const struct intel_plane_state * plane_state,int color_plane)696 static u32 skl_plane_stride(const struct intel_plane_state *plane_state,
697 			    int color_plane)
698 {
699 	const struct drm_framebuffer *fb = plane_state->hw.fb;
700 	unsigned int rotation = plane_state->hw.rotation;
701 	u32 stride = plane_state->view.color_plane[color_plane].scanout_stride;
702 
703 	if (color_plane >= fb->format->num_planes)
704 		return 0;
705 
706 	return stride / skl_plane_stride_mult(fb, color_plane, rotation);
707 }
708 
skl_plane_ddb_reg_val(const struct skl_ddb_entry * entry)709 static u32 skl_plane_ddb_reg_val(const struct skl_ddb_entry *entry)
710 {
711 	if (!entry->end)
712 		return 0;
713 
714 	return PLANE_BUF_END(entry->end - 1) |
715 		PLANE_BUF_START(entry->start);
716 }
717 
skl_plane_wm_reg_val(const struct skl_wm_level * level)718 static u32 skl_plane_wm_reg_val(const struct skl_wm_level *level)
719 {
720 	u32 val = 0;
721 
722 	if (level->enable)
723 		val |= PLANE_WM_EN;
724 	if (level->ignore_lines)
725 		val |= PLANE_WM_IGNORE_LINES;
726 	val |= REG_FIELD_PREP(PLANE_WM_BLOCKS_MASK, level->blocks);
727 	val |= REG_FIELD_PREP(PLANE_WM_LINES_MASK, level->lines);
728 
729 	return val;
730 }
731 
skl_write_plane_wm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state)732 static void skl_write_plane_wm(struct intel_dsb *dsb,
733 			       struct intel_plane *plane,
734 			       const struct intel_crtc_state *crtc_state)
735 {
736 	struct intel_display *display = to_intel_display(plane->base.dev);
737 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
738 	enum plane_id plane_id = plane->id;
739 	enum pipe pipe = plane->pipe;
740 	const struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal;
741 	const struct skl_ddb_entry *ddb =
742 		&crtc_state->wm.skl.plane_ddb[plane_id];
743 	const struct skl_ddb_entry *ddb_y =
744 		&crtc_state->wm.skl.plane_ddb_y[plane_id];
745 	int level;
746 
747 	for (level = 0; level < i915->display.wm.num_levels; level++)
748 		intel_de_write_dsb(display, dsb, PLANE_WM(pipe, plane_id, level),
749 				   skl_plane_wm_reg_val(skl_plane_wm_level(pipe_wm, plane_id, level)));
750 
751 	intel_de_write_dsb(display, dsb, PLANE_WM_TRANS(pipe, plane_id),
752 			   skl_plane_wm_reg_val(skl_plane_trans_wm(pipe_wm, plane_id)));
753 
754 	if (HAS_HW_SAGV_WM(i915)) {
755 		const struct skl_plane_wm *wm = &pipe_wm->planes[plane_id];
756 
757 		intel_de_write_dsb(display, dsb, PLANE_WM_SAGV(pipe, plane_id),
758 				   skl_plane_wm_reg_val(&wm->sagv.wm0));
759 		intel_de_write_dsb(display, dsb, PLANE_WM_SAGV_TRANS(pipe, plane_id),
760 				   skl_plane_wm_reg_val(&wm->sagv.trans_wm));
761 	}
762 
763 	intel_de_write_dsb(display, dsb, PLANE_BUF_CFG(pipe, plane_id),
764 			   skl_plane_ddb_reg_val(ddb));
765 
766 	if (DISPLAY_VER(i915) < 11)
767 		intel_de_write_dsb(display, dsb, PLANE_NV12_BUF_CFG(pipe, plane_id),
768 				   skl_plane_ddb_reg_val(ddb_y));
769 }
770 
771 static void
skl_plane_disable_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state)772 skl_plane_disable_arm(struct intel_dsb *dsb,
773 		      struct intel_plane *plane,
774 		      const struct intel_crtc_state *crtc_state)
775 {
776 	struct intel_display *display = to_intel_display(plane->base.dev);
777 	enum plane_id plane_id = plane->id;
778 	enum pipe pipe = plane->pipe;
779 
780 	skl_write_plane_wm(dsb, plane, crtc_state);
781 
782 	intel_de_write_dsb(display, dsb, PLANE_CTL(pipe, plane_id), 0);
783 	intel_de_write_dsb(display, dsb, PLANE_SURF(pipe, plane_id), 0);
784 }
785 
icl_plane_disable_sel_fetch_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state)786 static void icl_plane_disable_sel_fetch_arm(struct intel_dsb *dsb,
787 					    struct intel_plane *plane,
788 					    const struct intel_crtc_state *crtc_state)
789 {
790 	struct intel_display *display = to_intel_display(plane->base.dev);
791 	enum pipe pipe = plane->pipe;
792 
793 	if (!crtc_state->enable_psr2_sel_fetch)
794 		return;
795 
796 	intel_de_write_dsb(display, dsb, SEL_FETCH_PLANE_CTL(pipe, plane->id), 0);
797 }
798 
799 static void
icl_plane_disable_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state)800 icl_plane_disable_arm(struct intel_dsb *dsb,
801 		      struct intel_plane *plane,
802 		      const struct intel_crtc_state *crtc_state)
803 {
804 	struct intel_display *display = to_intel_display(plane->base.dev);
805 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
806 	enum plane_id plane_id = plane->id;
807 	enum pipe pipe = plane->pipe;
808 
809 	if (icl_is_hdr_plane(dev_priv, plane_id))
810 		intel_de_write_dsb(display, dsb, PLANE_CUS_CTL(pipe, plane_id), 0);
811 
812 	skl_write_plane_wm(dsb, plane, crtc_state);
813 
814 	icl_plane_disable_sel_fetch_arm(dsb, plane, crtc_state);
815 	intel_de_write_dsb(display, dsb, PLANE_CTL(pipe, plane_id), 0);
816 	intel_de_write_dsb(display, dsb, PLANE_SURF(pipe, plane_id), 0);
817 }
818 
819 static bool
skl_plane_get_hw_state(struct intel_plane * plane,enum pipe * pipe)820 skl_plane_get_hw_state(struct intel_plane *plane,
821 		       enum pipe *pipe)
822 {
823 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
824 	enum intel_display_power_domain power_domain;
825 	enum plane_id plane_id = plane->id;
826 	intel_wakeref_t wakeref;
827 	bool ret;
828 
829 	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
830 	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
831 	if (!wakeref)
832 		return false;
833 
834 	ret = intel_de_read(dev_priv, PLANE_CTL(plane->pipe, plane_id)) & PLANE_CTL_ENABLE;
835 
836 	*pipe = plane->pipe;
837 
838 	intel_display_power_put(dev_priv, power_domain, wakeref);
839 
840 	return ret;
841 }
842 
skl_plane_ctl_format(u32 pixel_format)843 static u32 skl_plane_ctl_format(u32 pixel_format)
844 {
845 	switch (pixel_format) {
846 	case DRM_FORMAT_C8:
847 		return PLANE_CTL_FORMAT_INDEXED;
848 	case DRM_FORMAT_RGB565:
849 		return PLANE_CTL_FORMAT_RGB_565;
850 	case DRM_FORMAT_XBGR8888:
851 	case DRM_FORMAT_ABGR8888:
852 		return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX;
853 	case DRM_FORMAT_XRGB8888:
854 	case DRM_FORMAT_ARGB8888:
855 		return PLANE_CTL_FORMAT_XRGB_8888;
856 	case DRM_FORMAT_XBGR2101010:
857 	case DRM_FORMAT_ABGR2101010:
858 		return PLANE_CTL_FORMAT_XRGB_2101010 | PLANE_CTL_ORDER_RGBX;
859 	case DRM_FORMAT_XRGB2101010:
860 	case DRM_FORMAT_ARGB2101010:
861 		return PLANE_CTL_FORMAT_XRGB_2101010;
862 	case DRM_FORMAT_XBGR16161616F:
863 	case DRM_FORMAT_ABGR16161616F:
864 		return PLANE_CTL_FORMAT_XRGB_16161616F | PLANE_CTL_ORDER_RGBX;
865 	case DRM_FORMAT_XRGB16161616F:
866 	case DRM_FORMAT_ARGB16161616F:
867 		return PLANE_CTL_FORMAT_XRGB_16161616F;
868 	case DRM_FORMAT_XYUV8888:
869 		return PLANE_CTL_FORMAT_XYUV;
870 	case DRM_FORMAT_YUYV:
871 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_YUYV;
872 	case DRM_FORMAT_YVYU:
873 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_YVYU;
874 	case DRM_FORMAT_UYVY:
875 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_UYVY;
876 	case DRM_FORMAT_VYUY:
877 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_VYUY;
878 	case DRM_FORMAT_NV12:
879 		return PLANE_CTL_FORMAT_NV12;
880 	case DRM_FORMAT_P010:
881 		return PLANE_CTL_FORMAT_P010;
882 	case DRM_FORMAT_P012:
883 		return PLANE_CTL_FORMAT_P012;
884 	case DRM_FORMAT_P016:
885 		return PLANE_CTL_FORMAT_P016;
886 	case DRM_FORMAT_Y210:
887 		return PLANE_CTL_FORMAT_Y210;
888 	case DRM_FORMAT_Y212:
889 		return PLANE_CTL_FORMAT_Y212;
890 	case DRM_FORMAT_Y216:
891 		return PLANE_CTL_FORMAT_Y216;
892 	case DRM_FORMAT_XVYU2101010:
893 		return PLANE_CTL_FORMAT_Y410;
894 	case DRM_FORMAT_XVYU12_16161616:
895 		return PLANE_CTL_FORMAT_Y412;
896 	case DRM_FORMAT_XVYU16161616:
897 		return PLANE_CTL_FORMAT_Y416;
898 	default:
899 		MISSING_CASE(pixel_format);
900 	}
901 
902 	return 0;
903 }
904 
skl_plane_ctl_alpha(const struct intel_plane_state * plane_state)905 static u32 skl_plane_ctl_alpha(const struct intel_plane_state *plane_state)
906 {
907 	if (!plane_state->hw.fb->format->has_alpha)
908 		return PLANE_CTL_ALPHA_DISABLE;
909 
910 	switch (plane_state->hw.pixel_blend_mode) {
911 	case DRM_MODE_BLEND_PIXEL_NONE:
912 		return PLANE_CTL_ALPHA_DISABLE;
913 	case DRM_MODE_BLEND_PREMULTI:
914 		return PLANE_CTL_ALPHA_SW_PREMULTIPLY;
915 	case DRM_MODE_BLEND_COVERAGE:
916 		return PLANE_CTL_ALPHA_HW_PREMULTIPLY;
917 	default:
918 		MISSING_CASE(plane_state->hw.pixel_blend_mode);
919 		return PLANE_CTL_ALPHA_DISABLE;
920 	}
921 }
922 
glk_plane_color_ctl_alpha(const struct intel_plane_state * plane_state)923 static u32 glk_plane_color_ctl_alpha(const struct intel_plane_state *plane_state)
924 {
925 	if (!plane_state->hw.fb->format->has_alpha)
926 		return PLANE_COLOR_ALPHA_DISABLE;
927 
928 	switch (plane_state->hw.pixel_blend_mode) {
929 	case DRM_MODE_BLEND_PIXEL_NONE:
930 		return PLANE_COLOR_ALPHA_DISABLE;
931 	case DRM_MODE_BLEND_PREMULTI:
932 		return PLANE_COLOR_ALPHA_SW_PREMULTIPLY;
933 	case DRM_MODE_BLEND_COVERAGE:
934 		return PLANE_COLOR_ALPHA_HW_PREMULTIPLY;
935 	default:
936 		MISSING_CASE(plane_state->hw.pixel_blend_mode);
937 		return PLANE_COLOR_ALPHA_DISABLE;
938 	}
939 }
940 
skl_plane_ctl_tiling(u64 fb_modifier)941 static u32 skl_plane_ctl_tiling(u64 fb_modifier)
942 {
943 	switch (fb_modifier) {
944 	case DRM_FORMAT_MOD_LINEAR:
945 		break;
946 	case I915_FORMAT_MOD_X_TILED:
947 		return PLANE_CTL_TILED_X;
948 	case I915_FORMAT_MOD_Y_TILED:
949 		return PLANE_CTL_TILED_Y;
950 	case I915_FORMAT_MOD_4_TILED:
951 		return PLANE_CTL_TILED_4;
952 	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
953 		return PLANE_CTL_TILED_4 |
954 			PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
955 			PLANE_CTL_CLEAR_COLOR_DISABLE;
956 	case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
957 		return PLANE_CTL_TILED_4 |
958 			PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE |
959 			PLANE_CTL_CLEAR_COLOR_DISABLE;
960 	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC:
961 		return PLANE_CTL_TILED_4 | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
962 	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS:
963 		return PLANE_CTL_TILED_4 |
964 			PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
965 			PLANE_CTL_CLEAR_COLOR_DISABLE;
966 	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS_CC:
967 		return PLANE_CTL_TILED_4 | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
968 	case I915_FORMAT_MOD_4_TILED_MTL_MC_CCS:
969 		return PLANE_CTL_TILED_4 | PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE;
970 	case I915_FORMAT_MOD_4_TILED_BMG_CCS:
971 	case I915_FORMAT_MOD_4_TILED_LNL_CCS:
972 		return PLANE_CTL_TILED_4 | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
973 	case I915_FORMAT_MOD_Y_TILED_CCS:
974 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
975 		return PLANE_CTL_TILED_Y | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
976 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
977 		return PLANE_CTL_TILED_Y |
978 		       PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
979 		       PLANE_CTL_CLEAR_COLOR_DISABLE;
980 	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
981 		return PLANE_CTL_TILED_Y | PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE;
982 	case I915_FORMAT_MOD_Yf_TILED:
983 		return PLANE_CTL_TILED_YF;
984 	case I915_FORMAT_MOD_Yf_TILED_CCS:
985 		return PLANE_CTL_TILED_YF | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
986 	default:
987 		MISSING_CASE(fb_modifier);
988 	}
989 
990 	return 0;
991 }
992 
skl_plane_ctl_rotate(unsigned int rotate)993 static u32 skl_plane_ctl_rotate(unsigned int rotate)
994 {
995 	switch (rotate) {
996 	case DRM_MODE_ROTATE_0:
997 		break;
998 	/*
999 	 * DRM_MODE_ROTATE_ is counter clockwise to stay compatible with Xrandr
1000 	 * while i915 HW rotation is clockwise, thats why this swapping.
1001 	 */
1002 	case DRM_MODE_ROTATE_90:
1003 		return PLANE_CTL_ROTATE_270;
1004 	case DRM_MODE_ROTATE_180:
1005 		return PLANE_CTL_ROTATE_180;
1006 	case DRM_MODE_ROTATE_270:
1007 		return PLANE_CTL_ROTATE_90;
1008 	default:
1009 		MISSING_CASE(rotate);
1010 	}
1011 
1012 	return 0;
1013 }
1014 
icl_plane_ctl_flip(unsigned int reflect)1015 static u32 icl_plane_ctl_flip(unsigned int reflect)
1016 {
1017 	switch (reflect) {
1018 	case 0:
1019 		break;
1020 	case DRM_MODE_REFLECT_X:
1021 		return PLANE_CTL_FLIP_HORIZONTAL;
1022 	case DRM_MODE_REFLECT_Y:
1023 	default:
1024 		MISSING_CASE(reflect);
1025 	}
1026 
1027 	return 0;
1028 }
1029 
adlp_plane_ctl_arb_slots(const struct intel_plane_state * plane_state)1030 static u32 adlp_plane_ctl_arb_slots(const struct intel_plane_state *plane_state)
1031 {
1032 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1033 
1034 	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier)) {
1035 		switch (fb->format->cpp[0]) {
1036 		case 2:
1037 			return PLANE_CTL_ARB_SLOTS(1);
1038 		default:
1039 			return PLANE_CTL_ARB_SLOTS(0);
1040 		}
1041 	} else {
1042 		switch (fb->format->cpp[0]) {
1043 		case 8:
1044 			return PLANE_CTL_ARB_SLOTS(3);
1045 		case 4:
1046 			return PLANE_CTL_ARB_SLOTS(1);
1047 		default:
1048 			return PLANE_CTL_ARB_SLOTS(0);
1049 		}
1050 	}
1051 }
1052 
skl_plane_ctl_crtc(const struct intel_crtc_state * crtc_state)1053 static u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
1054 {
1055 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
1056 	u32 plane_ctl = 0;
1057 
1058 	if (DISPLAY_VER(dev_priv) >= 10)
1059 		return plane_ctl;
1060 
1061 	if (crtc_state->gamma_enable)
1062 		plane_ctl |= PLANE_CTL_PIPE_GAMMA_ENABLE;
1063 
1064 	if (crtc_state->csc_enable)
1065 		plane_ctl |= PLANE_CTL_PIPE_CSC_ENABLE;
1066 
1067 	return plane_ctl;
1068 }
1069 
skl_plane_ctl(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1070 static u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
1071 			 const struct intel_plane_state *plane_state)
1072 {
1073 	struct drm_i915_private *dev_priv =
1074 		to_i915(plane_state->uapi.plane->dev);
1075 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1076 	unsigned int rotation = plane_state->hw.rotation;
1077 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1078 	u32 plane_ctl;
1079 
1080 	plane_ctl = PLANE_CTL_ENABLE;
1081 
1082 	if (DISPLAY_VER(dev_priv) < 10) {
1083 		plane_ctl |= skl_plane_ctl_alpha(plane_state);
1084 		plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE;
1085 
1086 		if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
1087 			plane_ctl |= PLANE_CTL_YUV_TO_RGB_CSC_FORMAT_BT709;
1088 
1089 		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
1090 			plane_ctl |= PLANE_CTL_YUV_RANGE_CORRECTION_DISABLE;
1091 	}
1092 
1093 	plane_ctl |= skl_plane_ctl_format(fb->format->format);
1094 	plane_ctl |= skl_plane_ctl_tiling(fb->modifier);
1095 	plane_ctl |= skl_plane_ctl_rotate(rotation & DRM_MODE_ROTATE_MASK);
1096 
1097 	if (DISPLAY_VER(dev_priv) >= 11)
1098 		plane_ctl |= icl_plane_ctl_flip(rotation &
1099 						DRM_MODE_REFLECT_MASK);
1100 
1101 	if (key->flags & I915_SET_COLORKEY_DESTINATION)
1102 		plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION;
1103 	else if (key->flags & I915_SET_COLORKEY_SOURCE)
1104 		plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE;
1105 
1106 	/* Wa_22012358565:adl-p */
1107 	if (DISPLAY_VER(dev_priv) == 13)
1108 		plane_ctl |= adlp_plane_ctl_arb_slots(plane_state);
1109 
1110 	return plane_ctl;
1111 }
1112 
glk_plane_color_ctl_crtc(const struct intel_crtc_state * crtc_state)1113 static u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state)
1114 {
1115 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
1116 	u32 plane_color_ctl = 0;
1117 
1118 	if (DISPLAY_VER(dev_priv) >= 11)
1119 		return plane_color_ctl;
1120 
1121 	if (crtc_state->gamma_enable)
1122 		plane_color_ctl |= PLANE_COLOR_PIPE_GAMMA_ENABLE;
1123 
1124 	if (crtc_state->csc_enable)
1125 		plane_color_ctl |= PLANE_COLOR_PIPE_CSC_ENABLE;
1126 
1127 	return plane_color_ctl;
1128 }
1129 
glk_plane_color_ctl(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1130 static u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
1131 			       const struct intel_plane_state *plane_state)
1132 {
1133 	struct drm_i915_private *dev_priv =
1134 		to_i915(plane_state->uapi.plane->dev);
1135 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1136 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1137 	u32 plane_color_ctl = 0;
1138 
1139 	plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE;
1140 	plane_color_ctl |= glk_plane_color_ctl_alpha(plane_state);
1141 
1142 	if (fb->format->is_yuv && !icl_is_hdr_plane(dev_priv, plane->id)) {
1143 		switch (plane_state->hw.color_encoding) {
1144 		case DRM_COLOR_YCBCR_BT709:
1145 			plane_color_ctl |= PLANE_COLOR_CSC_MODE_YUV709_TO_RGB709;
1146 			break;
1147 		case DRM_COLOR_YCBCR_BT2020:
1148 			plane_color_ctl |=
1149 				PLANE_COLOR_CSC_MODE_YUV2020_TO_RGB2020;
1150 			break;
1151 		default:
1152 			plane_color_ctl |=
1153 				PLANE_COLOR_CSC_MODE_YUV601_TO_RGB601;
1154 		}
1155 		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
1156 			plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE;
1157 	} else if (fb->format->is_yuv) {
1158 		plane_color_ctl |= PLANE_COLOR_INPUT_CSC_ENABLE;
1159 		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
1160 			plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE;
1161 	}
1162 
1163 	if (plane_state->force_black)
1164 		plane_color_ctl |= PLANE_COLOR_PLANE_CSC_ENABLE;
1165 
1166 	return plane_color_ctl;
1167 }
1168 
skl_surf_address(const struct intel_plane_state * plane_state,int color_plane)1169 static u32 skl_surf_address(const struct intel_plane_state *plane_state,
1170 			    int color_plane)
1171 {
1172 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
1173 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1174 	u32 offset = plane_state->view.color_plane[color_plane].offset;
1175 
1176 	if (intel_fb_uses_dpt(fb)) {
1177 		/*
1178 		 * The DPT object contains only one vma, so the VMA's offset
1179 		 * within the DPT is always 0.
1180 		 */
1181 		drm_WARN_ON(&i915->drm, plane_state->dpt_vma &&
1182 			    intel_dpt_offset(plane_state->dpt_vma));
1183 		drm_WARN_ON(&i915->drm, offset & 0x1fffff);
1184 		return offset >> 9;
1185 	} else {
1186 		drm_WARN_ON(&i915->drm, offset & 0xfff);
1187 		return offset;
1188 	}
1189 }
1190 
skl_plane_surf(const struct intel_plane_state * plane_state,int color_plane)1191 static u32 skl_plane_surf(const struct intel_plane_state *plane_state,
1192 			  int color_plane)
1193 {
1194 	u32 plane_surf;
1195 
1196 	plane_surf = intel_plane_ggtt_offset(plane_state) +
1197 		skl_surf_address(plane_state, color_plane);
1198 
1199 	if (plane_state->decrypt)
1200 		plane_surf |= PLANE_SURF_DECRYPT;
1201 
1202 	return plane_surf;
1203 }
1204 
skl_plane_aux_dist(const struct intel_plane_state * plane_state,int color_plane)1205 static u32 skl_plane_aux_dist(const struct intel_plane_state *plane_state,
1206 			      int color_plane)
1207 {
1208 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
1209 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1210 	int aux_plane = skl_main_to_aux_plane(fb, color_plane);
1211 	u32 aux_dist;
1212 
1213 	if (!aux_plane)
1214 		return 0;
1215 
1216 	aux_dist = skl_surf_address(plane_state, aux_plane) -
1217 		skl_surf_address(plane_state, color_plane);
1218 
1219 	if (DISPLAY_VER(i915) < 12)
1220 		aux_dist |= PLANE_AUX_STRIDE(skl_plane_stride(plane_state, aux_plane));
1221 
1222 	return aux_dist;
1223 }
1224 
skl_plane_keyval(const struct intel_plane_state * plane_state)1225 static u32 skl_plane_keyval(const struct intel_plane_state *plane_state)
1226 {
1227 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1228 
1229 	return key->min_value;
1230 }
1231 
skl_plane_keymax(const struct intel_plane_state * plane_state)1232 static u32 skl_plane_keymax(const struct intel_plane_state *plane_state)
1233 {
1234 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1235 	u8 alpha = plane_state->hw.alpha >> 8;
1236 
1237 	return (key->max_value & 0xffffff) | PLANE_KEYMAX_ALPHA(alpha);
1238 }
1239 
skl_plane_keymsk(const struct intel_plane_state * plane_state)1240 static u32 skl_plane_keymsk(const struct intel_plane_state *plane_state)
1241 {
1242 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1243 	u8 alpha = plane_state->hw.alpha >> 8;
1244 	u32 keymsk;
1245 
1246 	keymsk = key->channel_mask & 0x7ffffff;
1247 	if (alpha < 0xff)
1248 		keymsk |= PLANE_KEYMSK_ALPHA_ENABLE;
1249 
1250 	return keymsk;
1251 }
1252 
icl_plane_csc_load_black(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state)1253 static void icl_plane_csc_load_black(struct intel_dsb *dsb,
1254 				     struct intel_plane *plane,
1255 				     const struct intel_crtc_state *crtc_state)
1256 {
1257 	struct intel_display *display = to_intel_display(plane->base.dev);
1258 	enum plane_id plane_id = plane->id;
1259 	enum pipe pipe = plane->pipe;
1260 
1261 	intel_de_write_dsb(display, dsb, PLANE_CSC_COEFF(pipe, plane_id, 0), 0);
1262 	intel_de_write_dsb(display, dsb, PLANE_CSC_COEFF(pipe, plane_id, 1), 0);
1263 
1264 	intel_de_write_dsb(display, dsb, PLANE_CSC_COEFF(pipe, plane_id, 2), 0);
1265 	intel_de_write_dsb(display, dsb, PLANE_CSC_COEFF(pipe, plane_id, 3), 0);
1266 
1267 	intel_de_write_dsb(display, dsb, PLANE_CSC_COEFF(pipe, plane_id, 4), 0);
1268 	intel_de_write_dsb(display, dsb, PLANE_CSC_COEFF(pipe, plane_id, 5), 0);
1269 
1270 	intel_de_write_dsb(display, dsb, PLANE_CSC_PREOFF(pipe, plane_id, 0), 0);
1271 	intel_de_write_dsb(display, dsb, PLANE_CSC_PREOFF(pipe, plane_id, 1), 0);
1272 	intel_de_write_dsb(display, dsb, PLANE_CSC_PREOFF(pipe, plane_id, 2), 0);
1273 
1274 	intel_de_write_dsb(display, dsb, PLANE_CSC_POSTOFF(pipe, plane_id, 0), 0);
1275 	intel_de_write_dsb(display, dsb, PLANE_CSC_POSTOFF(pipe, plane_id, 1), 0);
1276 	intel_de_write_dsb(display, dsb, PLANE_CSC_POSTOFF(pipe, plane_id, 2), 0);
1277 }
1278 
icl_plane_color_plane(const struct intel_plane_state * plane_state)1279 static int icl_plane_color_plane(const struct intel_plane_state *plane_state)
1280 {
1281 	/* Program the UV plane on planar master */
1282 	if (plane_state->planar_linked_plane && !plane_state->planar_slave)
1283 		return 1;
1284 	else
1285 		return 0;
1286 }
1287 
1288 static void
skl_plane_update_noarm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1289 skl_plane_update_noarm(struct intel_dsb *dsb,
1290 		       struct intel_plane *plane,
1291 		       const struct intel_crtc_state *crtc_state,
1292 		       const struct intel_plane_state *plane_state)
1293 {
1294 	struct intel_display *display = to_intel_display(plane->base.dev);
1295 	enum plane_id plane_id = plane->id;
1296 	enum pipe pipe = plane->pipe;
1297 	u32 stride = skl_plane_stride(plane_state, 0);
1298 	int crtc_x = plane_state->uapi.dst.x1;
1299 	int crtc_y = plane_state->uapi.dst.y1;
1300 	u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
1301 	u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
1302 
1303 	/* The scaler will handle the output position */
1304 	if (plane_state->scaler_id >= 0) {
1305 		crtc_x = 0;
1306 		crtc_y = 0;
1307 	}
1308 
1309 	intel_de_write_dsb(display, dsb, PLANE_STRIDE(pipe, plane_id),
1310 			   PLANE_STRIDE_(stride));
1311 	intel_de_write_dsb(display, dsb, PLANE_POS(pipe, plane_id),
1312 			   PLANE_POS_Y(crtc_y) | PLANE_POS_X(crtc_x));
1313 	intel_de_write_dsb(display, dsb, PLANE_SIZE(pipe, plane_id),
1314 			   PLANE_HEIGHT(src_h - 1) | PLANE_WIDTH(src_w - 1));
1315 
1316 	skl_write_plane_wm(dsb, plane, crtc_state);
1317 }
1318 
1319 static void
skl_plane_update_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1320 skl_plane_update_arm(struct intel_dsb *dsb,
1321 		     struct intel_plane *plane,
1322 		     const struct intel_crtc_state *crtc_state,
1323 		     const struct intel_plane_state *plane_state)
1324 {
1325 	struct intel_display *display = to_intel_display(plane->base.dev);
1326 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1327 	enum plane_id plane_id = plane->id;
1328 	enum pipe pipe = plane->pipe;
1329 	u32 x = plane_state->view.color_plane[0].x;
1330 	u32 y = plane_state->view.color_plane[0].y;
1331 	u32 plane_ctl, plane_color_ctl = 0;
1332 
1333 	plane_ctl = plane_state->ctl |
1334 		skl_plane_ctl_crtc(crtc_state);
1335 
1336 	/* see intel_plane_atomic_calc_changes() */
1337 	if (plane->need_async_flip_toggle_wa &&
1338 	    crtc_state->async_flip_planes & BIT(plane->id))
1339 		plane_ctl |= PLANE_CTL_ASYNC_FLIP;
1340 
1341 	if (DISPLAY_VER(dev_priv) >= 10)
1342 		plane_color_ctl = plane_state->color_ctl |
1343 			glk_plane_color_ctl_crtc(crtc_state);
1344 
1345 	intel_de_write_dsb(display, dsb, PLANE_KEYVAL(pipe, plane_id),
1346 			   skl_plane_keyval(plane_state));
1347 	intel_de_write_dsb(display, dsb, PLANE_KEYMSK(pipe, plane_id),
1348 			   skl_plane_keymsk(plane_state));
1349 	intel_de_write_dsb(display, dsb, PLANE_KEYMAX(pipe, plane_id),
1350 			   skl_plane_keymax(plane_state));
1351 
1352 	intel_de_write_dsb(display, dsb, PLANE_OFFSET(pipe, plane_id),
1353 			   PLANE_OFFSET_Y(y) | PLANE_OFFSET_X(x));
1354 
1355 	intel_de_write_dsb(display, dsb, PLANE_AUX_DIST(pipe, plane_id),
1356 			   skl_plane_aux_dist(plane_state, 0));
1357 
1358 	intel_de_write_dsb(display, dsb, PLANE_AUX_OFFSET(pipe, plane_id),
1359 			   PLANE_OFFSET_Y(plane_state->view.color_plane[1].y) |
1360 			   PLANE_OFFSET_X(plane_state->view.color_plane[1].x));
1361 
1362 	if (DISPLAY_VER(dev_priv) >= 10)
1363 		intel_de_write_dsb(display, dsb, PLANE_COLOR_CTL(pipe, plane_id),
1364 				   plane_color_ctl);
1365 
1366 	/*
1367 	 * Enable the scaler before the plane so that we don't
1368 	 * get a catastrophic underrun even if the two operations
1369 	 * end up happening in two different frames.
1370 	 *
1371 	 * TODO: split into noarm+arm pair
1372 	 */
1373 	if (plane_state->scaler_id >= 0)
1374 		skl_program_plane_scaler(plane, crtc_state, plane_state);
1375 
1376 	/*
1377 	 * The control register self-arms if the plane was previously
1378 	 * disabled. Try to make the plane enable atomic by writing
1379 	 * the control register just before the surface register.
1380 	 */
1381 	intel_de_write_dsb(display, dsb, PLANE_CTL(pipe, plane_id),
1382 			   plane_ctl);
1383 	intel_de_write_dsb(display, dsb, PLANE_SURF(pipe, plane_id),
1384 			   skl_plane_surf(plane_state, 0));
1385 }
1386 
icl_plane_update_sel_fetch_noarm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state,int color_plane)1387 static void icl_plane_update_sel_fetch_noarm(struct intel_dsb *dsb,
1388 					     struct intel_plane *plane,
1389 					     const struct intel_crtc_state *crtc_state,
1390 					     const struct intel_plane_state *plane_state,
1391 					     int color_plane)
1392 {
1393 	struct intel_display *display = to_intel_display(plane->base.dev);
1394 	enum pipe pipe = plane->pipe;
1395 	const struct drm_rect *clip;
1396 	u32 val;
1397 	int x, y;
1398 
1399 	if (!crtc_state->enable_psr2_sel_fetch)
1400 		return;
1401 
1402 	clip = &plane_state->psr2_sel_fetch_area;
1403 
1404 	if (crtc_state->enable_psr2_su_region_et)
1405 		y = max(0, plane_state->uapi.dst.y1 - crtc_state->psr2_su_area.y1);
1406 	else
1407 		y = (clip->y1 + plane_state->uapi.dst.y1);
1408 	val = y << 16;
1409 	val |= plane_state->uapi.dst.x1;
1410 	intel_de_write_dsb(display, dsb, SEL_FETCH_PLANE_POS(pipe, plane->id), val);
1411 
1412 	x = plane_state->view.color_plane[color_plane].x;
1413 
1414 	/*
1415 	 * From Bspec: UV surface Start Y Position = half of Y plane Y
1416 	 * start position.
1417 	 */
1418 	if (!color_plane)
1419 		y = plane_state->view.color_plane[color_plane].y + clip->y1;
1420 	else
1421 		y = plane_state->view.color_plane[color_plane].y + clip->y1 / 2;
1422 
1423 	val = y << 16 | x;
1424 
1425 	intel_de_write_dsb(display, dsb, SEL_FETCH_PLANE_OFFSET(pipe, plane->id), val);
1426 
1427 	/* Sizes are 0 based */
1428 	val = (drm_rect_height(clip) - 1) << 16;
1429 	val |= (drm_rect_width(&plane_state->uapi.src) >> 16) - 1;
1430 	intel_de_write_dsb(display, dsb, SEL_FETCH_PLANE_SIZE(pipe, plane->id), val);
1431 }
1432 
1433 static void
icl_plane_update_noarm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1434 icl_plane_update_noarm(struct intel_dsb *dsb,
1435 		       struct intel_plane *plane,
1436 		       const struct intel_crtc_state *crtc_state,
1437 		       const struct intel_plane_state *plane_state)
1438 {
1439 	struct intel_display *display = to_intel_display(plane->base.dev);
1440 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1441 	enum plane_id plane_id = plane->id;
1442 	enum pipe pipe = plane->pipe;
1443 	int color_plane = icl_plane_color_plane(plane_state);
1444 	u32 stride = skl_plane_stride(plane_state, color_plane);
1445 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1446 	int crtc_x = plane_state->uapi.dst.x1;
1447 	int crtc_y = plane_state->uapi.dst.y1;
1448 	int x = plane_state->view.color_plane[color_plane].x;
1449 	int y = plane_state->view.color_plane[color_plane].y;
1450 	int src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
1451 	int src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
1452 	u32 plane_color_ctl;
1453 
1454 	plane_color_ctl = plane_state->color_ctl |
1455 		glk_plane_color_ctl_crtc(crtc_state);
1456 
1457 	/* The scaler will handle the output position */
1458 	if (plane_state->scaler_id >= 0) {
1459 		crtc_x = 0;
1460 		crtc_y = 0;
1461 	}
1462 
1463 	intel_de_write_dsb(display, dsb, PLANE_STRIDE(pipe, plane_id),
1464 			   PLANE_STRIDE_(stride));
1465 	intel_de_write_dsb(display, dsb, PLANE_POS(pipe, plane_id),
1466 			   PLANE_POS_Y(crtc_y) | PLANE_POS_X(crtc_x));
1467 	intel_de_write_dsb(display, dsb, PLANE_SIZE(pipe, plane_id),
1468 			   PLANE_HEIGHT(src_h - 1) | PLANE_WIDTH(src_w - 1));
1469 
1470 	intel_de_write_dsb(display, dsb, PLANE_KEYVAL(pipe, plane_id),
1471 			   skl_plane_keyval(plane_state));
1472 	intel_de_write_dsb(display, dsb, PLANE_KEYMSK(pipe, plane_id),
1473 			   skl_plane_keymsk(plane_state));
1474 	intel_de_write_dsb(display, dsb, PLANE_KEYMAX(pipe, plane_id),
1475 			   skl_plane_keymax(plane_state));
1476 
1477 	intel_de_write_dsb(display, dsb, PLANE_OFFSET(pipe, plane_id),
1478 			   PLANE_OFFSET_Y(y) | PLANE_OFFSET_X(x));
1479 
1480 	if (intel_fb_is_rc_ccs_cc_modifier(fb->modifier)) {
1481 		intel_de_write_dsb(display, dsb, PLANE_CC_VAL(pipe, plane_id, 0),
1482 				   lower_32_bits(plane_state->ccval));
1483 		intel_de_write_dsb(display, dsb, PLANE_CC_VAL(pipe, plane_id, 1),
1484 				   upper_32_bits(plane_state->ccval));
1485 	}
1486 
1487 	/* FLAT CCS doesn't need to program AUX_DIST */
1488 	if (!HAS_FLAT_CCS(dev_priv) && DISPLAY_VER(dev_priv) < 20)
1489 		intel_de_write_dsb(display, dsb, PLANE_AUX_DIST(pipe, plane_id),
1490 				   skl_plane_aux_dist(plane_state, color_plane));
1491 
1492 	if (icl_is_hdr_plane(dev_priv, plane_id))
1493 		intel_de_write_dsb(display, dsb, PLANE_CUS_CTL(pipe, plane_id),
1494 				   plane_state->cus_ctl);
1495 
1496 	intel_de_write_dsb(display, dsb, PLANE_COLOR_CTL(pipe, plane_id),
1497 			   plane_color_ctl);
1498 
1499 	if (fb->format->is_yuv && icl_is_hdr_plane(dev_priv, plane_id))
1500 		icl_program_input_csc(dsb, plane, plane_state);
1501 
1502 	skl_write_plane_wm(dsb, plane, crtc_state);
1503 
1504 	/*
1505 	 * FIXME: pxp session invalidation can hit any time even at time of commit
1506 	 * or after the commit, display content will be garbage.
1507 	 */
1508 	if (plane_state->force_black)
1509 		icl_plane_csc_load_black(dsb, plane, crtc_state);
1510 
1511 	icl_plane_update_sel_fetch_noarm(dsb, plane, crtc_state, plane_state, color_plane);
1512 }
1513 
icl_plane_update_sel_fetch_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1514 static void icl_plane_update_sel_fetch_arm(struct intel_dsb *dsb,
1515 					   struct intel_plane *plane,
1516 					   const struct intel_crtc_state *crtc_state,
1517 					   const struct intel_plane_state *plane_state)
1518 {
1519 	struct intel_display *display = to_intel_display(plane->base.dev);
1520 	enum pipe pipe = plane->pipe;
1521 
1522 	if (!crtc_state->enable_psr2_sel_fetch)
1523 		return;
1524 
1525 	if (drm_rect_height(&plane_state->psr2_sel_fetch_area) > 0)
1526 		intel_de_write_dsb(display, dsb, SEL_FETCH_PLANE_CTL(pipe, plane->id),
1527 				   SEL_FETCH_PLANE_CTL_ENABLE);
1528 	else
1529 		icl_plane_disable_sel_fetch_arm(dsb, plane, crtc_state);
1530 }
1531 
1532 static void
icl_plane_update_arm(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1533 icl_plane_update_arm(struct intel_dsb *dsb,
1534 		     struct intel_plane *plane,
1535 		     const struct intel_crtc_state *crtc_state,
1536 		     const struct intel_plane_state *plane_state)
1537 {
1538 	struct intel_display *display = to_intel_display(plane->base.dev);
1539 	enum plane_id plane_id = plane->id;
1540 	enum pipe pipe = plane->pipe;
1541 	int color_plane = icl_plane_color_plane(plane_state);
1542 	u32 plane_ctl;
1543 
1544 	plane_ctl = plane_state->ctl |
1545 		skl_plane_ctl_crtc(crtc_state);
1546 
1547 	/*
1548 	 * Enable the scaler before the plane so that we don't
1549 	 * get a catastrophic underrun even if the two operations
1550 	 * end up happening in two different frames.
1551 	 *
1552 	 * TODO: split into noarm+arm pair
1553 	 */
1554 	if (plane_state->scaler_id >= 0)
1555 		skl_program_plane_scaler(plane, crtc_state, plane_state);
1556 
1557 	icl_plane_update_sel_fetch_arm(dsb, plane, crtc_state, plane_state);
1558 
1559 	/*
1560 	 * The control register self-arms if the plane was previously
1561 	 * disabled. Try to make the plane enable atomic by writing
1562 	 * the control register just before the surface register.
1563 	 */
1564 	intel_de_write_dsb(display, dsb, PLANE_CTL(pipe, plane_id),
1565 			   plane_ctl);
1566 	intel_de_write_dsb(display, dsb, PLANE_SURF(pipe, plane_id),
1567 			   skl_plane_surf(plane_state, color_plane));
1568 }
1569 
1570 static void
skl_plane_async_flip(struct intel_dsb * dsb,struct intel_plane * plane,const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state,bool async_flip)1571 skl_plane_async_flip(struct intel_dsb *dsb,
1572 		     struct intel_plane *plane,
1573 		     const struct intel_crtc_state *crtc_state,
1574 		     const struct intel_plane_state *plane_state,
1575 		     bool async_flip)
1576 {
1577 	struct intel_display *display = to_intel_display(plane->base.dev);
1578 	enum plane_id plane_id = plane->id;
1579 	enum pipe pipe = plane->pipe;
1580 	u32 plane_ctl = plane_state->ctl, plane_surf;
1581 
1582 	plane_ctl |= skl_plane_ctl_crtc(crtc_state);
1583 	plane_surf = skl_plane_surf(plane_state, 0);
1584 
1585 	if (async_flip) {
1586 		if (DISPLAY_VER(display) >= 30)
1587 			plane_surf |= PLANE_SURF_ASYNC_UPDATE;
1588 		else
1589 			plane_ctl |= PLANE_CTL_ASYNC_FLIP;
1590 	}
1591 
1592 	intel_de_write_dsb(display, dsb, PLANE_CTL(pipe, plane_id),
1593 			   plane_ctl);
1594 	intel_de_write_dsb(display, dsb, PLANE_SURF(pipe, plane_id),
1595 			   plane_surf);
1596 }
1597 
intel_format_is_p01x(u32 format)1598 static bool intel_format_is_p01x(u32 format)
1599 {
1600 	switch (format) {
1601 	case DRM_FORMAT_P010:
1602 	case DRM_FORMAT_P012:
1603 	case DRM_FORMAT_P016:
1604 		return true;
1605 	default:
1606 		return false;
1607 	}
1608 }
1609 
skl_plane_check_fb(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1610 static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
1611 			      const struct intel_plane_state *plane_state)
1612 {
1613 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1614 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1615 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1616 	unsigned int rotation = plane_state->hw.rotation;
1617 
1618 	if (!fb)
1619 		return 0;
1620 
1621 	if (rotation & ~(DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180) &&
1622 	    intel_fb_is_ccs_modifier(fb->modifier)) {
1623 		drm_dbg_kms(&dev_priv->drm,
1624 			    "RC support only with 0/180 degree rotation (%x)\n",
1625 			    rotation);
1626 		return -EINVAL;
1627 	}
1628 
1629 	if (rotation & DRM_MODE_REFLECT_X &&
1630 	    fb->modifier == DRM_FORMAT_MOD_LINEAR) {
1631 		drm_dbg_kms(&dev_priv->drm,
1632 			    "horizontal flip is not supported with linear surface formats\n");
1633 		return -EINVAL;
1634 	}
1635 
1636 	/*
1637 	 * Display20 onward tile4 hflip is not supported
1638 	 */
1639 	if (rotation & DRM_MODE_REFLECT_X &&
1640 	    intel_fb_is_tile4_modifier(fb->modifier) &&
1641 	    DISPLAY_VER(dev_priv) >= 20) {
1642 		drm_dbg_kms(&dev_priv->drm,
1643 			    "horizontal flip is not supported with tile4 surface formats\n");
1644 		return -EINVAL;
1645 	}
1646 
1647 	if (drm_rotation_90_or_270(rotation)) {
1648 		if (!intel_fb_supports_90_270_rotation(to_intel_framebuffer(fb))) {
1649 			drm_dbg_kms(&dev_priv->drm,
1650 				    "Y/Yf tiling required for 90/270!\n");
1651 			return -EINVAL;
1652 		}
1653 
1654 		/*
1655 		 * 90/270 is not allowed with RGB64 16:16:16:16 and
1656 		 * Indexed 8-bit. RGB 16-bit 5:6:5 is allowed gen11 onwards.
1657 		 */
1658 		switch (fb->format->format) {
1659 		case DRM_FORMAT_RGB565:
1660 			if (DISPLAY_VER(dev_priv) >= 11)
1661 				break;
1662 			fallthrough;
1663 		case DRM_FORMAT_C8:
1664 		case DRM_FORMAT_XRGB16161616F:
1665 		case DRM_FORMAT_XBGR16161616F:
1666 		case DRM_FORMAT_ARGB16161616F:
1667 		case DRM_FORMAT_ABGR16161616F:
1668 		case DRM_FORMAT_Y210:
1669 		case DRM_FORMAT_Y212:
1670 		case DRM_FORMAT_Y216:
1671 		case DRM_FORMAT_XVYU12_16161616:
1672 		case DRM_FORMAT_XVYU16161616:
1673 			drm_dbg_kms(&dev_priv->drm,
1674 				    "Unsupported pixel format %p4cc for 90/270!\n",
1675 				    &fb->format->format);
1676 			return -EINVAL;
1677 		default:
1678 			break;
1679 		}
1680 	}
1681 
1682 	/* Y-tiling is not supported in IF-ID Interlace mode */
1683 	if (crtc_state->hw.enable &&
1684 	    crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE &&
1685 	    fb->modifier != DRM_FORMAT_MOD_LINEAR &&
1686 	    fb->modifier != I915_FORMAT_MOD_X_TILED) {
1687 		drm_dbg_kms(&dev_priv->drm,
1688 			    "Y/Yf tiling not supported in IF-ID mode\n");
1689 		return -EINVAL;
1690 	}
1691 
1692 	/* Wa_1606054188:tgl,adl-s */
1693 	if ((IS_ALDERLAKE_S(dev_priv) || IS_TIGERLAKE(dev_priv)) &&
1694 	    plane_state->ckey.flags & I915_SET_COLORKEY_SOURCE &&
1695 	    intel_format_is_p01x(fb->format->format)) {
1696 		drm_dbg_kms(&dev_priv->drm,
1697 			    "Source color keying not supported with P01x formats\n");
1698 		return -EINVAL;
1699 	}
1700 
1701 	return 0;
1702 }
1703 
skl_plane_check_dst_coordinates(const struct intel_crtc_state * crtc_state,const struct intel_plane_state * plane_state)1704 static int skl_plane_check_dst_coordinates(const struct intel_crtc_state *crtc_state,
1705 					   const struct intel_plane_state *plane_state)
1706 {
1707 	struct drm_i915_private *dev_priv =
1708 		to_i915(plane_state->uapi.plane->dev);
1709 	int crtc_x = plane_state->uapi.dst.x1;
1710 	int crtc_w = drm_rect_width(&plane_state->uapi.dst);
1711 	int pipe_src_w = drm_rect_width(&crtc_state->pipe_src);
1712 
1713 	/*
1714 	 * Display WA #1175: glk
1715 	 * Planes other than the cursor may cause FIFO underflow and display
1716 	 * corruption if starting less than 4 pixels from the right edge of
1717 	 * the screen.
1718 	 * Besides the above WA fix the similar problem, where planes other
1719 	 * than the cursor ending less than 4 pixels from the left edge of the
1720 	 * screen may cause FIFO underflow and display corruption.
1721 	 */
1722 	if (DISPLAY_VER(dev_priv) == 10 &&
1723 	    (crtc_x + crtc_w < 4 || crtc_x > pipe_src_w - 4)) {
1724 		drm_dbg_kms(&dev_priv->drm,
1725 			    "requested plane X %s position %d invalid (valid range %d-%d)\n",
1726 			    crtc_x + crtc_w < 4 ? "end" : "start",
1727 			    crtc_x + crtc_w < 4 ? crtc_x + crtc_w : crtc_x,
1728 			    4, pipe_src_w - 4);
1729 		return -ERANGE;
1730 	}
1731 
1732 	return 0;
1733 }
1734 
skl_plane_check_nv12_rotation(const struct intel_plane_state * plane_state)1735 static int skl_plane_check_nv12_rotation(const struct intel_plane_state *plane_state)
1736 {
1737 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
1738 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1739 	unsigned int rotation = plane_state->hw.rotation;
1740 	int src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
1741 
1742 	/* Display WA #1106 */
1743 	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
1744 	    src_w & 3 &&
1745 	    (rotation == DRM_MODE_ROTATE_270 ||
1746 	     rotation == (DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90))) {
1747 		drm_dbg_kms(&i915->drm, "src width must be multiple of 4 for rotated planar YUV\n");
1748 		return -EINVAL;
1749 	}
1750 
1751 	return 0;
1752 }
1753 
skl_plane_max_scale(struct drm_i915_private * dev_priv,const struct drm_framebuffer * fb)1754 static int skl_plane_max_scale(struct drm_i915_private *dev_priv,
1755 			       const struct drm_framebuffer *fb)
1756 {
1757 	/*
1758 	 * We don't yet know the final source width nor
1759 	 * whether we can use the HQ scaler mode. Assume
1760 	 * the best case.
1761 	 * FIXME need to properly check this later.
1762 	 */
1763 	if (DISPLAY_VER(dev_priv) >= 10 ||
1764 	    !intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
1765 		return 0x30000 - 1;
1766 	else
1767 		return 0x20000 - 1;
1768 }
1769 
intel_plane_min_width(struct intel_plane * plane,const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)1770 static int intel_plane_min_width(struct intel_plane *plane,
1771 				 const struct drm_framebuffer *fb,
1772 				 int color_plane,
1773 				 unsigned int rotation)
1774 {
1775 	if (plane->min_width)
1776 		return plane->min_width(fb, color_plane, rotation);
1777 	else
1778 		return 1;
1779 }
1780 
intel_plane_max_width(struct intel_plane * plane,const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)1781 static int intel_plane_max_width(struct intel_plane *plane,
1782 				 const struct drm_framebuffer *fb,
1783 				 int color_plane,
1784 				 unsigned int rotation)
1785 {
1786 	if (plane->max_width)
1787 		return plane->max_width(fb, color_plane, rotation);
1788 	else
1789 		return INT_MAX;
1790 }
1791 
intel_plane_max_height(struct intel_plane * plane,const struct drm_framebuffer * fb,int color_plane,unsigned int rotation)1792 static int intel_plane_max_height(struct intel_plane *plane,
1793 				  const struct drm_framebuffer *fb,
1794 				  int color_plane,
1795 				  unsigned int rotation)
1796 {
1797 	if (plane->max_height)
1798 		return plane->max_height(fb, color_plane, rotation);
1799 	else
1800 		return INT_MAX;
1801 }
1802 
1803 static bool
skl_check_main_ccs_coordinates(struct intel_plane_state * plane_state,int main_x,int main_y,u32 main_offset,int ccs_plane)1804 skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state,
1805 			       int main_x, int main_y, u32 main_offset,
1806 			       int ccs_plane)
1807 {
1808 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1809 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1810 	int aux_x = plane_state->view.color_plane[ccs_plane].x;
1811 	int aux_y = plane_state->view.color_plane[ccs_plane].y;
1812 	u32 aux_offset = plane_state->view.color_plane[ccs_plane].offset;
1813 	unsigned int alignment = plane->min_alignment(plane, fb, ccs_plane);
1814 	int hsub;
1815 	int vsub;
1816 
1817 	intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane);
1818 	while (aux_offset >= main_offset && aux_y <= main_y) {
1819 		int x, y;
1820 
1821 		if (aux_x == main_x && aux_y == main_y)
1822 			break;
1823 
1824 		if (aux_offset == 0)
1825 			break;
1826 
1827 		x = aux_x / hsub;
1828 		y = aux_y / vsub;
1829 		aux_offset = intel_plane_adjust_aligned_offset(&x, &y,
1830 							       plane_state,
1831 							       ccs_plane,
1832 							       aux_offset,
1833 							       aux_offset - alignment);
1834 		aux_x = x * hsub + aux_x % hsub;
1835 		aux_y = y * vsub + aux_y % vsub;
1836 	}
1837 
1838 	if (aux_x != main_x || aux_y != main_y)
1839 		return false;
1840 
1841 	plane_state->view.color_plane[ccs_plane].offset = aux_offset;
1842 	plane_state->view.color_plane[ccs_plane].x = aux_x;
1843 	plane_state->view.color_plane[ccs_plane].y = aux_y;
1844 
1845 	return true;
1846 }
1847 
1848 
skl_calc_main_surface_offset(const struct intel_plane_state * plane_state,int * x,int * y,u32 * offset)1849 int skl_calc_main_surface_offset(const struct intel_plane_state *plane_state,
1850 				 int *x, int *y, u32 *offset)
1851 {
1852 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1853 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1854 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1855 	int aux_plane = skl_main_to_aux_plane(fb, 0);
1856 	u32 aux_offset = plane_state->view.color_plane[aux_plane].offset;
1857 	unsigned int alignment = plane->min_alignment(plane, fb, 0);
1858 	int w = drm_rect_width(&plane_state->uapi.src) >> 16;
1859 
1860 	intel_add_fb_offsets(x, y, plane_state, 0);
1861 	*offset = intel_plane_compute_aligned_offset(x, y, plane_state, 0);
1862 	if (drm_WARN_ON(&dev_priv->drm, alignment && !is_power_of_2(alignment)))
1863 		return -EINVAL;
1864 
1865 	/*
1866 	 * AUX surface offset is specified as the distance from the
1867 	 * main surface offset, and it must be non-negative. Make
1868 	 * sure that is what we will get.
1869 	 */
1870 	if (aux_plane && *offset > aux_offset)
1871 		*offset = intel_plane_adjust_aligned_offset(x, y, plane_state, 0,
1872 							    *offset,
1873 							    aux_offset & ~(alignment - 1));
1874 
1875 	/*
1876 	 * When using an X-tiled surface, the plane blows up
1877 	 * if the x offset + width exceed the stride.
1878 	 *
1879 	 * TODO: linear and Y-tiled seem fine, Yf untested,
1880 	 */
1881 	if (fb->modifier == I915_FORMAT_MOD_X_TILED) {
1882 		int cpp = fb->format->cpp[0];
1883 
1884 		while ((*x + w) * cpp > plane_state->view.color_plane[0].mapping_stride) {
1885 			if (*offset == 0) {
1886 				drm_dbg_kms(&dev_priv->drm,
1887 					    "Unable to find suitable display surface offset due to X-tiling\n");
1888 				return -EINVAL;
1889 			}
1890 
1891 			*offset = intel_plane_adjust_aligned_offset(x, y, plane_state, 0,
1892 								    *offset,
1893 								    *offset - alignment);
1894 		}
1895 	}
1896 
1897 	return 0;
1898 }
1899 
skl_check_main_surface(struct intel_plane_state * plane_state)1900 static int skl_check_main_surface(struct intel_plane_state *plane_state)
1901 {
1902 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1903 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1904 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1905 	unsigned int rotation = plane_state->hw.rotation;
1906 	int x = plane_state->uapi.src.x1 >> 16;
1907 	int y = plane_state->uapi.src.y1 >> 16;
1908 	int w = drm_rect_width(&plane_state->uapi.src) >> 16;
1909 	int h = drm_rect_height(&plane_state->uapi.src) >> 16;
1910 	int min_width = intel_plane_min_width(plane, fb, 0, rotation);
1911 	int max_width = intel_plane_max_width(plane, fb, 0, rotation);
1912 	int max_height = intel_plane_max_height(plane, fb, 0, rotation);
1913 	unsigned int alignment = plane->min_alignment(plane, fb, 0);
1914 	int aux_plane = skl_main_to_aux_plane(fb, 0);
1915 	u32 offset;
1916 	int ret;
1917 
1918 	if (w > max_width || w < min_width || h > max_height || h < 1) {
1919 		drm_dbg_kms(&dev_priv->drm,
1920 			    "requested Y/RGB source size %dx%d outside limits (min: %dx1 max: %dx%d)\n",
1921 			    w, h, min_width, max_width, max_height);
1922 		return -EINVAL;
1923 	}
1924 
1925 	ret = skl_calc_main_surface_offset(plane_state, &x, &y, &offset);
1926 	if (ret)
1927 		return ret;
1928 
1929 	/*
1930 	 * CCS AUX surface doesn't have its own x/y offsets, we must make sure
1931 	 * they match with the main surface x/y offsets. On DG2
1932 	 * there's no aux plane on fb so skip this checking.
1933 	 */
1934 	if (intel_fb_is_ccs_modifier(fb->modifier) && aux_plane) {
1935 		while (!skl_check_main_ccs_coordinates(plane_state, x, y,
1936 						       offset, aux_plane)) {
1937 			if (offset == 0)
1938 				break;
1939 
1940 			offset = intel_plane_adjust_aligned_offset(&x, &y, plane_state, 0,
1941 								   offset, offset - alignment);
1942 		}
1943 
1944 		if (x != plane_state->view.color_plane[aux_plane].x ||
1945 		    y != plane_state->view.color_plane[aux_plane].y) {
1946 			drm_dbg_kms(&dev_priv->drm,
1947 				    "Unable to find suitable display surface offset due to CCS\n");
1948 			return -EINVAL;
1949 		}
1950 	}
1951 
1952 	if (DISPLAY_VER(dev_priv) >= 13)
1953 		drm_WARN_ON(&dev_priv->drm, x > 65535 || y > 65535);
1954 	else
1955 		drm_WARN_ON(&dev_priv->drm, x > 8191 || y > 8191);
1956 
1957 	plane_state->view.color_plane[0].offset = offset;
1958 	plane_state->view.color_plane[0].x = x;
1959 	plane_state->view.color_plane[0].y = y;
1960 
1961 	/*
1962 	 * Put the final coordinates back so that the src
1963 	 * coordinate checks will see the right values.
1964 	 */
1965 	drm_rect_translate_to(&plane_state->uapi.src,
1966 			      x << 16, y << 16);
1967 
1968 	return 0;
1969 }
1970 
skl_check_nv12_aux_surface(struct intel_plane_state * plane_state)1971 static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
1972 {
1973 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1974 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
1975 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1976 	unsigned int rotation = plane_state->hw.rotation;
1977 	int uv_plane = 1;
1978 	int ccs_plane = intel_fb_is_ccs_modifier(fb->modifier) ?
1979 			skl_main_to_aux_plane(fb, uv_plane) : 0;
1980 	int max_width = intel_plane_max_width(plane, fb, uv_plane, rotation);
1981 	int max_height = intel_plane_max_height(plane, fb, uv_plane, rotation);
1982 	int x = plane_state->uapi.src.x1 >> 17;
1983 	int y = plane_state->uapi.src.y1 >> 17;
1984 	int w = drm_rect_width(&plane_state->uapi.src) >> 17;
1985 	int h = drm_rect_height(&plane_state->uapi.src) >> 17;
1986 	u32 offset;
1987 
1988 	/* FIXME not quite sure how/if these apply to the chroma plane */
1989 	if (w > max_width || h > max_height) {
1990 		drm_dbg_kms(&i915->drm,
1991 			    "CbCr source size %dx%d too big (limit %dx%d)\n",
1992 			    w, h, max_width, max_height);
1993 		return -EINVAL;
1994 	}
1995 
1996 	intel_add_fb_offsets(&x, &y, plane_state, uv_plane);
1997 	offset = intel_plane_compute_aligned_offset(&x, &y,
1998 						    plane_state, uv_plane);
1999 
2000 	if (ccs_plane) {
2001 		u32 aux_offset = plane_state->view.color_plane[ccs_plane].offset;
2002 		unsigned int alignment = plane->min_alignment(plane, fb, uv_plane);
2003 
2004 		if (offset > aux_offset)
2005 			offset = intel_plane_adjust_aligned_offset(&x, &y,
2006 								   plane_state,
2007 								   uv_plane,
2008 								   offset,
2009 								   aux_offset & ~(alignment - 1));
2010 
2011 		while (!skl_check_main_ccs_coordinates(plane_state, x, y,
2012 						       offset, ccs_plane)) {
2013 			if (offset == 0)
2014 				break;
2015 
2016 			offset = intel_plane_adjust_aligned_offset(&x, &y,
2017 								   plane_state,
2018 								   uv_plane,
2019 								   offset, offset - alignment);
2020 		}
2021 
2022 		if (x != plane_state->view.color_plane[ccs_plane].x ||
2023 		    y != plane_state->view.color_plane[ccs_plane].y) {
2024 			drm_dbg_kms(&i915->drm,
2025 				    "Unable to find suitable display surface offset due to CCS\n");
2026 			return -EINVAL;
2027 		}
2028 	}
2029 
2030 	if (DISPLAY_VER(i915) >= 13)
2031 		drm_WARN_ON(&i915->drm, x > 65535 || y > 65535);
2032 	else
2033 		drm_WARN_ON(&i915->drm, x > 8191 || y > 8191);
2034 
2035 	plane_state->view.color_plane[uv_plane].offset = offset;
2036 	plane_state->view.color_plane[uv_plane].x = x;
2037 	plane_state->view.color_plane[uv_plane].y = y;
2038 
2039 	return 0;
2040 }
2041 
skl_check_ccs_aux_surface(struct intel_plane_state * plane_state)2042 static int skl_check_ccs_aux_surface(struct intel_plane_state *plane_state)
2043 {
2044 	const struct drm_framebuffer *fb = plane_state->hw.fb;
2045 	int src_x = plane_state->uapi.src.x1 >> 16;
2046 	int src_y = plane_state->uapi.src.y1 >> 16;
2047 	u32 offset;
2048 	int ccs_plane;
2049 
2050 	for (ccs_plane = 0; ccs_plane < fb->format->num_planes; ccs_plane++) {
2051 		int main_hsub, main_vsub;
2052 		int hsub, vsub;
2053 		int x, y;
2054 
2055 		if (!intel_fb_is_ccs_aux_plane(fb, ccs_plane))
2056 			continue;
2057 
2058 		intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, fb,
2059 					       skl_ccs_to_main_plane(fb, ccs_plane));
2060 		intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane);
2061 
2062 		hsub *= main_hsub;
2063 		vsub *= main_vsub;
2064 		x = src_x / hsub;
2065 		y = src_y / vsub;
2066 
2067 		intel_add_fb_offsets(&x, &y, plane_state, ccs_plane);
2068 
2069 		offset = intel_plane_compute_aligned_offset(&x, &y,
2070 							    plane_state,
2071 							    ccs_plane);
2072 
2073 		plane_state->view.color_plane[ccs_plane].offset = offset;
2074 		plane_state->view.color_plane[ccs_plane].x = (x * hsub + src_x % hsub) / main_hsub;
2075 		plane_state->view.color_plane[ccs_plane].y = (y * vsub + src_y % vsub) / main_vsub;
2076 	}
2077 
2078 	return 0;
2079 }
2080 
skl_check_plane_surface(struct intel_plane_state * plane_state)2081 static int skl_check_plane_surface(struct intel_plane_state *plane_state)
2082 {
2083 	const struct drm_framebuffer *fb = plane_state->hw.fb;
2084 	int ret;
2085 
2086 	ret = intel_plane_compute_gtt(plane_state);
2087 	if (ret)
2088 		return ret;
2089 
2090 	if (!plane_state->uapi.visible)
2091 		return 0;
2092 
2093 	/*
2094 	 * Handle the AUX surface first since the main surface setup depends on
2095 	 * it.
2096 	 */
2097 	if (intel_fb_is_ccs_modifier(fb->modifier)) {
2098 		ret = skl_check_ccs_aux_surface(plane_state);
2099 		if (ret)
2100 			return ret;
2101 	}
2102 
2103 	if (intel_format_info_is_yuv_semiplanar(fb->format,
2104 						fb->modifier)) {
2105 		ret = skl_check_nv12_aux_surface(plane_state);
2106 		if (ret)
2107 			return ret;
2108 	}
2109 
2110 	ret = skl_check_main_surface(plane_state);
2111 	if (ret)
2112 		return ret;
2113 
2114 	return 0;
2115 }
2116 
skl_fb_scalable(const struct drm_framebuffer * fb)2117 static bool skl_fb_scalable(const struct drm_framebuffer *fb)
2118 {
2119 	if (!fb)
2120 		return false;
2121 
2122 	switch (fb->format->format) {
2123 	case DRM_FORMAT_C8:
2124 		return false;
2125 	case DRM_FORMAT_XRGB16161616F:
2126 	case DRM_FORMAT_ARGB16161616F:
2127 	case DRM_FORMAT_XBGR16161616F:
2128 	case DRM_FORMAT_ABGR16161616F:
2129 		return DISPLAY_VER(to_i915(fb->dev)) >= 11;
2130 	default:
2131 		return true;
2132 	}
2133 }
2134 
check_protection(struct intel_plane_state * plane_state)2135 static void check_protection(struct intel_plane_state *plane_state)
2136 {
2137 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
2138 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
2139 	const struct drm_framebuffer *fb = plane_state->hw.fb;
2140 	struct drm_gem_object *obj = intel_fb_bo(fb);
2141 
2142 	if (DISPLAY_VER(i915) < 11)
2143 		return;
2144 
2145 	plane_state->decrypt = intel_pxp_key_check(i915->pxp, obj, false) == 0;
2146 	plane_state->force_black = intel_bo_is_protected(obj) &&
2147 		!plane_state->decrypt;
2148 }
2149 
skl_plane_check(struct intel_crtc_state * crtc_state,struct intel_plane_state * plane_state)2150 static int skl_plane_check(struct intel_crtc_state *crtc_state,
2151 			   struct intel_plane_state *plane_state)
2152 {
2153 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
2154 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
2155 	const struct drm_framebuffer *fb = plane_state->hw.fb;
2156 	int min_scale = DRM_PLANE_NO_SCALING;
2157 	int max_scale = DRM_PLANE_NO_SCALING;
2158 	int ret;
2159 
2160 	ret = skl_plane_check_fb(crtc_state, plane_state);
2161 	if (ret)
2162 		return ret;
2163 
2164 	/* use scaler when colorkey is not required */
2165 	if (!plane_state->ckey.flags && skl_fb_scalable(fb)) {
2166 		min_scale = 1;
2167 		max_scale = skl_plane_max_scale(dev_priv, fb);
2168 	}
2169 
2170 	ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
2171 						min_scale, max_scale, true);
2172 	if (ret)
2173 		return ret;
2174 
2175 	ret = skl_check_plane_surface(plane_state);
2176 	if (ret)
2177 		return ret;
2178 
2179 	if (!plane_state->uapi.visible)
2180 		return 0;
2181 
2182 	ret = skl_plane_check_dst_coordinates(crtc_state, plane_state);
2183 	if (ret)
2184 		return ret;
2185 
2186 	ret = intel_plane_check_src_coordinates(plane_state);
2187 	if (ret)
2188 		return ret;
2189 
2190 	ret = skl_plane_check_nv12_rotation(plane_state);
2191 	if (ret)
2192 		return ret;
2193 
2194 	check_protection(plane_state);
2195 
2196 	/* HW only has 8 bits pixel precision, disable plane if invisible */
2197 	if (!(plane_state->hw.alpha >> 8))
2198 		plane_state->uapi.visible = false;
2199 
2200 	plane_state->ctl = skl_plane_ctl(crtc_state, plane_state);
2201 
2202 	if (DISPLAY_VER(dev_priv) >= 10)
2203 		plane_state->color_ctl = glk_plane_color_ctl(crtc_state,
2204 							     plane_state);
2205 
2206 	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
2207 	    icl_is_hdr_plane(dev_priv, plane->id))
2208 		/* Enable and use MPEG-2 chroma siting */
2209 		plane_state->cus_ctl = PLANE_CUS_ENABLE |
2210 			PLANE_CUS_HPHASE_0 |
2211 			PLANE_CUS_VPHASE_SIGN_NEGATIVE | PLANE_CUS_VPHASE_0_25;
2212 	else
2213 		plane_state->cus_ctl = 0;
2214 
2215 	return 0;
2216 }
2217 
skl_fbc_id_for_pipe(enum pipe pipe)2218 static enum intel_fbc_id skl_fbc_id_for_pipe(enum pipe pipe)
2219 {
2220 	return pipe - PIPE_A + INTEL_FBC_A;
2221 }
2222 
skl_plane_has_fbc(struct drm_i915_private * i915,enum intel_fbc_id fbc_id,enum plane_id plane_id)2223 static bool skl_plane_has_fbc(struct drm_i915_private *i915,
2224 			      enum intel_fbc_id fbc_id, enum plane_id plane_id)
2225 {
2226 	if ((DISPLAY_RUNTIME_INFO(i915)->fbc_mask & BIT(fbc_id)) == 0)
2227 		return false;
2228 
2229 	if (DISPLAY_VER(i915) >= 20)
2230 		return icl_is_hdr_plane(i915, plane_id);
2231 	else
2232 		return plane_id == PLANE_1;
2233 }
2234 
skl_plane_fbc(struct drm_i915_private * dev_priv,enum pipe pipe,enum plane_id plane_id)2235 static struct intel_fbc *skl_plane_fbc(struct drm_i915_private *dev_priv,
2236 				       enum pipe pipe, enum plane_id plane_id)
2237 {
2238 	enum intel_fbc_id fbc_id = skl_fbc_id_for_pipe(pipe);
2239 
2240 	if (skl_plane_has_fbc(dev_priv, fbc_id, plane_id))
2241 		return dev_priv->display.fbc[fbc_id];
2242 	else
2243 		return NULL;
2244 }
2245 
skl_plane_has_planar(struct drm_i915_private * dev_priv,enum pipe pipe,enum plane_id plane_id)2246 static bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
2247 				 enum pipe pipe, enum plane_id plane_id)
2248 {
2249 	/* Display WA #0870: skl, bxt */
2250 	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
2251 		return false;
2252 
2253 	if (DISPLAY_VER(dev_priv) == 9 && pipe == PIPE_C)
2254 		return false;
2255 
2256 	if (plane_id != PLANE_1 && plane_id != PLANE_2)
2257 		return false;
2258 
2259 	return true;
2260 }
2261 
skl_get_plane_formats(struct drm_i915_private * dev_priv,enum pipe pipe,enum plane_id plane_id,int * num_formats)2262 static const u32 *skl_get_plane_formats(struct drm_i915_private *dev_priv,
2263 					enum pipe pipe, enum plane_id plane_id,
2264 					int *num_formats)
2265 {
2266 	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
2267 		*num_formats = ARRAY_SIZE(skl_planar_formats);
2268 		return skl_planar_formats;
2269 	} else {
2270 		*num_formats = ARRAY_SIZE(skl_plane_formats);
2271 		return skl_plane_formats;
2272 	}
2273 }
2274 
glk_get_plane_formats(struct drm_i915_private * dev_priv,enum pipe pipe,enum plane_id plane_id,int * num_formats)2275 static const u32 *glk_get_plane_formats(struct drm_i915_private *dev_priv,
2276 					enum pipe pipe, enum plane_id plane_id,
2277 					int *num_formats)
2278 {
2279 	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
2280 		*num_formats = ARRAY_SIZE(glk_planar_formats);
2281 		return glk_planar_formats;
2282 	} else {
2283 		*num_formats = ARRAY_SIZE(skl_plane_formats);
2284 		return skl_plane_formats;
2285 	}
2286 }
2287 
icl_get_plane_formats(struct drm_i915_private * dev_priv,enum pipe pipe,enum plane_id plane_id,int * num_formats)2288 static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv,
2289 					enum pipe pipe, enum plane_id plane_id,
2290 					int *num_formats)
2291 {
2292 	if (icl_is_hdr_plane(dev_priv, plane_id)) {
2293 		*num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
2294 		return icl_hdr_plane_formats;
2295 	} else if (icl_is_nv12_y_plane(dev_priv, plane_id)) {
2296 		*num_formats = ARRAY_SIZE(icl_sdr_y_plane_formats);
2297 		return icl_sdr_y_plane_formats;
2298 	} else {
2299 		*num_formats = ARRAY_SIZE(icl_sdr_uv_plane_formats);
2300 		return icl_sdr_uv_plane_formats;
2301 	}
2302 }
2303 
skl_plane_format_mod_supported(struct drm_plane * _plane,u32 format,u64 modifier)2304 static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
2305 					   u32 format, u64 modifier)
2306 {
2307 	struct intel_plane *plane = to_intel_plane(_plane);
2308 
2309 	if (!intel_fb_plane_supports_modifier(plane, modifier))
2310 		return false;
2311 
2312 	switch (format) {
2313 	case DRM_FORMAT_XRGB8888:
2314 	case DRM_FORMAT_XBGR8888:
2315 	case DRM_FORMAT_ARGB8888:
2316 	case DRM_FORMAT_ABGR8888:
2317 		if (intel_fb_is_ccs_modifier(modifier))
2318 			return true;
2319 		fallthrough;
2320 	case DRM_FORMAT_RGB565:
2321 	case DRM_FORMAT_XRGB2101010:
2322 	case DRM_FORMAT_XBGR2101010:
2323 	case DRM_FORMAT_ARGB2101010:
2324 	case DRM_FORMAT_ABGR2101010:
2325 	case DRM_FORMAT_YUYV:
2326 	case DRM_FORMAT_YVYU:
2327 	case DRM_FORMAT_UYVY:
2328 	case DRM_FORMAT_VYUY:
2329 	case DRM_FORMAT_NV12:
2330 	case DRM_FORMAT_XYUV8888:
2331 	case DRM_FORMAT_P010:
2332 	case DRM_FORMAT_P012:
2333 	case DRM_FORMAT_P016:
2334 	case DRM_FORMAT_XVYU2101010:
2335 		if (modifier == I915_FORMAT_MOD_Yf_TILED)
2336 			return true;
2337 		fallthrough;
2338 	case DRM_FORMAT_C8:
2339 	case DRM_FORMAT_XBGR16161616F:
2340 	case DRM_FORMAT_ABGR16161616F:
2341 	case DRM_FORMAT_XRGB16161616F:
2342 	case DRM_FORMAT_ARGB16161616F:
2343 	case DRM_FORMAT_Y210:
2344 	case DRM_FORMAT_Y212:
2345 	case DRM_FORMAT_Y216:
2346 	case DRM_FORMAT_XVYU12_16161616:
2347 	case DRM_FORMAT_XVYU16161616:
2348 		if (modifier == DRM_FORMAT_MOD_LINEAR ||
2349 		    modifier == I915_FORMAT_MOD_X_TILED ||
2350 		    modifier == I915_FORMAT_MOD_Y_TILED)
2351 			return true;
2352 		fallthrough;
2353 	default:
2354 		return false;
2355 	}
2356 }
2357 
icl_plane_format_mod_supported(struct drm_plane * _plane,u32 format,u64 modifier)2358 static bool icl_plane_format_mod_supported(struct drm_plane *_plane,
2359 					   u32 format, u64 modifier)
2360 {
2361 	struct intel_plane *plane = to_intel_plane(_plane);
2362 
2363 	if (!intel_fb_plane_supports_modifier(plane, modifier))
2364 		return false;
2365 
2366 	switch (format) {
2367 	case DRM_FORMAT_XRGB8888:
2368 	case DRM_FORMAT_XBGR8888:
2369 	case DRM_FORMAT_ARGB8888:
2370 	case DRM_FORMAT_ABGR8888:
2371 	case DRM_FORMAT_XRGB2101010:
2372 	case DRM_FORMAT_XBGR2101010:
2373 	case DRM_FORMAT_ARGB2101010:
2374 	case DRM_FORMAT_ABGR2101010:
2375 		if (intel_fb_is_ccs_modifier(modifier))
2376 			return true;
2377 		fallthrough;
2378 	case DRM_FORMAT_RGB565:
2379 	case DRM_FORMAT_YUYV:
2380 	case DRM_FORMAT_YVYU:
2381 	case DRM_FORMAT_UYVY:
2382 	case DRM_FORMAT_VYUY:
2383 	case DRM_FORMAT_NV12:
2384 	case DRM_FORMAT_XYUV8888:
2385 	case DRM_FORMAT_P010:
2386 	case DRM_FORMAT_P012:
2387 	case DRM_FORMAT_P016:
2388 	case DRM_FORMAT_XVYU2101010:
2389 		if (modifier == I915_FORMAT_MOD_Yf_TILED)
2390 			return true;
2391 		fallthrough;
2392 	case DRM_FORMAT_C8:
2393 	case DRM_FORMAT_XBGR16161616F:
2394 	case DRM_FORMAT_ABGR16161616F:
2395 	case DRM_FORMAT_XRGB16161616F:
2396 	case DRM_FORMAT_ARGB16161616F:
2397 	case DRM_FORMAT_Y210:
2398 	case DRM_FORMAT_Y212:
2399 	case DRM_FORMAT_Y216:
2400 	case DRM_FORMAT_XVYU12_16161616:
2401 	case DRM_FORMAT_XVYU16161616:
2402 		if (modifier == DRM_FORMAT_MOD_LINEAR ||
2403 		    modifier == I915_FORMAT_MOD_X_TILED ||
2404 		    modifier == I915_FORMAT_MOD_Y_TILED)
2405 			return true;
2406 		fallthrough;
2407 	default:
2408 		return false;
2409 	}
2410 }
2411 
tgl_plane_format_mod_supported(struct drm_plane * _plane,u32 format,u64 modifier)2412 static bool tgl_plane_format_mod_supported(struct drm_plane *_plane,
2413 					   u32 format, u64 modifier)
2414 {
2415 	struct intel_plane *plane = to_intel_plane(_plane);
2416 
2417 	if (!intel_fb_plane_supports_modifier(plane, modifier))
2418 		return false;
2419 
2420 	switch (format) {
2421 	case DRM_FORMAT_XRGB8888:
2422 	case DRM_FORMAT_XBGR8888:
2423 	case DRM_FORMAT_ARGB8888:
2424 	case DRM_FORMAT_ABGR8888:
2425 	case DRM_FORMAT_XRGB2101010:
2426 	case DRM_FORMAT_XBGR2101010:
2427 	case DRM_FORMAT_ARGB2101010:
2428 	case DRM_FORMAT_ABGR2101010:
2429 	case DRM_FORMAT_XBGR16161616F:
2430 	case DRM_FORMAT_ABGR16161616F:
2431 	case DRM_FORMAT_XRGB16161616F:
2432 	case DRM_FORMAT_ARGB16161616F:
2433 		if (intel_fb_is_ccs_modifier(modifier))
2434 			return true;
2435 		fallthrough;
2436 	case DRM_FORMAT_YUYV:
2437 	case DRM_FORMAT_YVYU:
2438 	case DRM_FORMAT_UYVY:
2439 	case DRM_FORMAT_VYUY:
2440 	case DRM_FORMAT_NV12:
2441 	case DRM_FORMAT_XYUV8888:
2442 	case DRM_FORMAT_P010:
2443 	case DRM_FORMAT_P012:
2444 	case DRM_FORMAT_P016:
2445 		if (intel_fb_is_mc_ccs_modifier(modifier))
2446 			return true;
2447 		fallthrough;
2448 	case DRM_FORMAT_RGB565:
2449 	case DRM_FORMAT_XVYU2101010:
2450 	case DRM_FORMAT_C8:
2451 	case DRM_FORMAT_Y210:
2452 	case DRM_FORMAT_Y212:
2453 	case DRM_FORMAT_Y216:
2454 	case DRM_FORMAT_XVYU12_16161616:
2455 	case DRM_FORMAT_XVYU16161616:
2456 		if (!intel_fb_is_ccs_modifier(modifier))
2457 			return true;
2458 		fallthrough;
2459 	default:
2460 		return false;
2461 	}
2462 }
2463 
2464 static const struct drm_plane_funcs skl_plane_funcs = {
2465 	.update_plane = drm_atomic_helper_update_plane,
2466 	.disable_plane = drm_atomic_helper_disable_plane,
2467 	.destroy = intel_plane_destroy,
2468 	.atomic_duplicate_state = intel_plane_duplicate_state,
2469 	.atomic_destroy_state = intel_plane_destroy_state,
2470 	.format_mod_supported = skl_plane_format_mod_supported,
2471 };
2472 
2473 static const struct drm_plane_funcs icl_plane_funcs = {
2474 	.update_plane = drm_atomic_helper_update_plane,
2475 	.disable_plane = drm_atomic_helper_disable_plane,
2476 	.destroy = intel_plane_destroy,
2477 	.atomic_duplicate_state = intel_plane_duplicate_state,
2478 	.atomic_destroy_state = intel_plane_destroy_state,
2479 	.format_mod_supported = icl_plane_format_mod_supported,
2480 };
2481 
2482 static const struct drm_plane_funcs tgl_plane_funcs = {
2483 	.update_plane = drm_atomic_helper_update_plane,
2484 	.disable_plane = drm_atomic_helper_disable_plane,
2485 	.destroy = intel_plane_destroy,
2486 	.atomic_duplicate_state = intel_plane_duplicate_state,
2487 	.atomic_destroy_state = intel_plane_destroy_state,
2488 	.format_mod_supported = tgl_plane_format_mod_supported,
2489 };
2490 
2491 static void
skl_plane_enable_flip_done(struct intel_plane * plane)2492 skl_plane_enable_flip_done(struct intel_plane *plane)
2493 {
2494 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
2495 	enum pipe pipe = plane->pipe;
2496 
2497 	spin_lock_irq(&i915->irq_lock);
2498 	bdw_enable_pipe_irq(i915, pipe, GEN9_PIPE_PLANE_FLIP_DONE(plane->id));
2499 	spin_unlock_irq(&i915->irq_lock);
2500 }
2501 
2502 static void
skl_plane_disable_flip_done(struct intel_plane * plane)2503 skl_plane_disable_flip_done(struct intel_plane *plane)
2504 {
2505 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
2506 	enum pipe pipe = plane->pipe;
2507 
2508 	spin_lock_irq(&i915->irq_lock);
2509 	bdw_disable_pipe_irq(i915, pipe, GEN9_PIPE_PLANE_FLIP_DONE(plane->id));
2510 	spin_unlock_irq(&i915->irq_lock);
2511 }
2512 
skl_plane_has_rc_ccs(struct drm_i915_private * i915,enum pipe pipe,enum plane_id plane_id)2513 static bool skl_plane_has_rc_ccs(struct drm_i915_private *i915,
2514 				 enum pipe pipe, enum plane_id plane_id)
2515 {
2516 	/* Wa_22011186057 */
2517 	if (IS_ALDERLAKE_P(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_B0))
2518 		return false;
2519 
2520 	if (DISPLAY_VER(i915) >= 11)
2521 		return true;
2522 
2523 	if (IS_GEMINILAKE(i915))
2524 		return pipe != PIPE_C;
2525 
2526 	return pipe != PIPE_C &&
2527 		(plane_id == PLANE_1 || plane_id == PLANE_2);
2528 }
2529 
tgl_plane_has_mc_ccs(struct drm_i915_private * i915,enum plane_id plane_id)2530 static bool tgl_plane_has_mc_ccs(struct drm_i915_private *i915,
2531 				 enum plane_id plane_id)
2532 {
2533 	if (DISPLAY_VER(i915) < 12)
2534 		return false;
2535 
2536 	/* Wa_14010477008 */
2537 	if (IS_DG1(i915) || IS_ROCKETLAKE(i915) ||
2538 		(IS_TIGERLAKE(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_D0)))
2539 		return false;
2540 
2541 	/* Wa_22011186057 */
2542 	if (IS_ALDERLAKE_P(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_B0))
2543 		return false;
2544 
2545 	return plane_id < PLANE_6;
2546 }
2547 
skl_get_plane_caps(struct drm_i915_private * i915,enum pipe pipe,enum plane_id plane_id)2548 static u8 skl_get_plane_caps(struct drm_i915_private *i915,
2549 			     enum pipe pipe, enum plane_id plane_id)
2550 {
2551 	u8 caps = INTEL_PLANE_CAP_TILING_X;
2552 
2553 	if (DISPLAY_VER(i915) < 13 || IS_ALDERLAKE_P(i915))
2554 		caps |= INTEL_PLANE_CAP_TILING_Y;
2555 	if (DISPLAY_VER(i915) < 12)
2556 		caps |= INTEL_PLANE_CAP_TILING_Yf;
2557 	if (HAS_4TILE(i915))
2558 		caps |= INTEL_PLANE_CAP_TILING_4;
2559 
2560 	if (!IS_ENABLED(I915) && !HAS_FLAT_CCS(i915))
2561 		return caps;
2562 
2563 	if (skl_plane_has_rc_ccs(i915, pipe, plane_id)) {
2564 		caps |= INTEL_PLANE_CAP_CCS_RC;
2565 		if (DISPLAY_VER(i915) >= 12)
2566 			caps |= INTEL_PLANE_CAP_CCS_RC_CC;
2567 	}
2568 
2569 	if (tgl_plane_has_mc_ccs(i915, plane_id))
2570 		caps |= INTEL_PLANE_CAP_CCS_MC;
2571 
2572 	if (DISPLAY_VER(i915) >= 14 && IS_DGFX(i915))
2573 		caps |= INTEL_PLANE_CAP_NEED64K_PHYS;
2574 
2575 	return caps;
2576 }
2577 
2578 struct intel_plane *
skl_universal_plane_create(struct drm_i915_private * dev_priv,enum pipe pipe,enum plane_id plane_id)2579 skl_universal_plane_create(struct drm_i915_private *dev_priv,
2580 			   enum pipe pipe, enum plane_id plane_id)
2581 {
2582 	const struct drm_plane_funcs *plane_funcs;
2583 	struct intel_plane *plane;
2584 	enum drm_plane_type plane_type;
2585 	unsigned int supported_rotations;
2586 	unsigned int supported_csc;
2587 	const u64 *modifiers;
2588 	const u32 *formats;
2589 	int num_formats;
2590 	int ret;
2591 
2592 	plane = intel_plane_alloc();
2593 	if (IS_ERR(plane))
2594 		return plane;
2595 
2596 	plane->pipe = pipe;
2597 	plane->id = plane_id;
2598 	plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane_id);
2599 
2600 	intel_fbc_add_plane(skl_plane_fbc(dev_priv, pipe, plane_id), plane);
2601 
2602 	if (DISPLAY_VER(dev_priv) >= 30) {
2603 		plane->max_width = xe3_plane_max_width;
2604 		plane->max_height = icl_plane_max_height;
2605 		plane->min_cdclk = icl_plane_min_cdclk;
2606 	} else if (DISPLAY_VER(dev_priv) >= 11) {
2607 		plane->min_width = icl_plane_min_width;
2608 		if (icl_is_hdr_plane(dev_priv, plane_id))
2609 			plane->max_width = icl_hdr_plane_max_width;
2610 		else
2611 			plane->max_width = icl_sdr_plane_max_width;
2612 		plane->max_height = icl_plane_max_height;
2613 		plane->min_cdclk = icl_plane_min_cdclk;
2614 	} else if (DISPLAY_VER(dev_priv) >= 10) {
2615 		plane->max_width = glk_plane_max_width;
2616 		plane->max_height = skl_plane_max_height;
2617 		plane->min_cdclk = glk_plane_min_cdclk;
2618 	} else {
2619 		plane->max_width = skl_plane_max_width;
2620 		plane->max_height = skl_plane_max_height;
2621 		plane->min_cdclk = skl_plane_min_cdclk;
2622 	}
2623 
2624 	if (DISPLAY_VER(dev_priv) >= 13)
2625 		plane->max_stride = adl_plane_max_stride;
2626 	else
2627 		plane->max_stride = skl_plane_max_stride;
2628 
2629 	if (DISPLAY_VER(dev_priv) >= 12)
2630 		plane->min_alignment = tgl_plane_min_alignment;
2631 	else
2632 		plane->min_alignment = skl_plane_min_alignment;
2633 
2634 	if (DISPLAY_VER(dev_priv) >= 11) {
2635 		plane->update_noarm = icl_plane_update_noarm;
2636 		plane->update_arm = icl_plane_update_arm;
2637 		plane->disable_arm = icl_plane_disable_arm;
2638 	} else {
2639 		plane->update_noarm = skl_plane_update_noarm;
2640 		plane->update_arm = skl_plane_update_arm;
2641 		plane->disable_arm = skl_plane_disable_arm;
2642 	}
2643 	plane->get_hw_state = skl_plane_get_hw_state;
2644 	plane->check_plane = skl_plane_check;
2645 
2646 	if (plane_id == PLANE_1) {
2647 		plane->need_async_flip_toggle_wa = IS_DISPLAY_VER(dev_priv, 9, 10);
2648 		plane->async_flip = skl_plane_async_flip;
2649 		plane->enable_flip_done = skl_plane_enable_flip_done;
2650 		plane->disable_flip_done = skl_plane_disable_flip_done;
2651 	}
2652 
2653 	if (DISPLAY_VER(dev_priv) >= 11)
2654 		formats = icl_get_plane_formats(dev_priv, pipe,
2655 						plane_id, &num_formats);
2656 	else if (DISPLAY_VER(dev_priv) >= 10)
2657 		formats = glk_get_plane_formats(dev_priv, pipe,
2658 						plane_id, &num_formats);
2659 	else
2660 		formats = skl_get_plane_formats(dev_priv, pipe,
2661 						plane_id, &num_formats);
2662 
2663 	if (DISPLAY_VER(dev_priv) >= 12)
2664 		plane_funcs = &tgl_plane_funcs;
2665 	else if (DISPLAY_VER(dev_priv) == 11)
2666 		plane_funcs = &icl_plane_funcs;
2667 	else
2668 		plane_funcs = &skl_plane_funcs;
2669 
2670 	if (plane_id == PLANE_1)
2671 		plane_type = DRM_PLANE_TYPE_PRIMARY;
2672 	else
2673 		plane_type = DRM_PLANE_TYPE_OVERLAY;
2674 
2675 	modifiers = intel_fb_plane_get_modifiers(dev_priv,
2676 						 skl_get_plane_caps(dev_priv, pipe, plane_id));
2677 
2678 	ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
2679 				       0, plane_funcs,
2680 				       formats, num_formats, modifiers,
2681 				       plane_type,
2682 				       "plane %d%c", plane_id + 1,
2683 				       pipe_name(pipe));
2684 
2685 	kfree(modifiers);
2686 
2687 	if (ret)
2688 		goto fail;
2689 
2690 	if (DISPLAY_VER(dev_priv) >= 13)
2691 		supported_rotations = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
2692 	else
2693 		supported_rotations =
2694 			DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 |
2695 			DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270;
2696 
2697 	if (DISPLAY_VER(dev_priv) >= 11)
2698 		supported_rotations |= DRM_MODE_REFLECT_X;
2699 
2700 	drm_plane_create_rotation_property(&plane->base,
2701 					   DRM_MODE_ROTATE_0,
2702 					   supported_rotations);
2703 
2704 	supported_csc = BIT(DRM_COLOR_YCBCR_BT601) | BIT(DRM_COLOR_YCBCR_BT709);
2705 
2706 	if (DISPLAY_VER(dev_priv) >= 10)
2707 		supported_csc |= BIT(DRM_COLOR_YCBCR_BT2020);
2708 
2709 	drm_plane_create_color_properties(&plane->base,
2710 					  supported_csc,
2711 					  BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
2712 					  BIT(DRM_COLOR_YCBCR_FULL_RANGE),
2713 					  DRM_COLOR_YCBCR_BT709,
2714 					  DRM_COLOR_YCBCR_LIMITED_RANGE);
2715 
2716 	drm_plane_create_alpha_property(&plane->base);
2717 	drm_plane_create_blend_mode_property(&plane->base,
2718 					     BIT(DRM_MODE_BLEND_PIXEL_NONE) |
2719 					     BIT(DRM_MODE_BLEND_PREMULTI) |
2720 					     BIT(DRM_MODE_BLEND_COVERAGE));
2721 
2722 	drm_plane_create_zpos_immutable_property(&plane->base, plane_id);
2723 
2724 	if (DISPLAY_VER(dev_priv) >= 12)
2725 		drm_plane_enable_fb_damage_clips(&plane->base);
2726 
2727 	if (DISPLAY_VER(dev_priv) >= 11)
2728 		drm_plane_create_scaling_filter_property(&plane->base,
2729 						BIT(DRM_SCALING_FILTER_DEFAULT) |
2730 						BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR));
2731 
2732 	intel_plane_helper_add(plane);
2733 
2734 	return plane;
2735 
2736 fail:
2737 	intel_plane_free(plane);
2738 
2739 	return ERR_PTR(ret);
2740 }
2741 
2742 void
skl_get_initial_plane_config(struct intel_crtc * crtc,struct intel_initial_plane_config * plane_config)2743 skl_get_initial_plane_config(struct intel_crtc *crtc,
2744 			     struct intel_initial_plane_config *plane_config)
2745 {
2746 	struct intel_crtc_state *crtc_state = to_intel_crtc_state(crtc->base.state);
2747 	struct drm_device *dev = crtc->base.dev;
2748 	struct drm_i915_private *dev_priv = to_i915(dev);
2749 	struct intel_plane *plane = to_intel_plane(crtc->base.primary);
2750 	enum plane_id plane_id = plane->id;
2751 	enum pipe pipe;
2752 	u32 val, base, offset, stride_mult, tiling, alpha;
2753 	int fourcc, pixel_format;
2754 	unsigned int aligned_height;
2755 	struct drm_framebuffer *fb;
2756 	struct intel_framebuffer *intel_fb;
2757 	static_assert(PLANE_CTL_TILED_YF == PLANE_CTL_TILED_4);
2758 
2759 	if (!plane->get_hw_state(plane, &pipe))
2760 		return;
2761 
2762 	drm_WARN_ON(dev, pipe != crtc->pipe);
2763 
2764 	if (crtc_state->joiner_pipes) {
2765 		drm_dbg_kms(&dev_priv->drm,
2766 			    "Unsupported joiner configuration for initial FB\n");
2767 		return;
2768 	}
2769 
2770 	intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
2771 	if (!intel_fb) {
2772 		drm_dbg_kms(&dev_priv->drm, "failed to alloc fb\n");
2773 		return;
2774 	}
2775 
2776 	fb = &intel_fb->base;
2777 
2778 	fb->dev = dev;
2779 
2780 	val = intel_de_read(dev_priv, PLANE_CTL(pipe, plane_id));
2781 
2782 	if (DISPLAY_VER(dev_priv) >= 11)
2783 		pixel_format = val & PLANE_CTL_FORMAT_MASK_ICL;
2784 	else
2785 		pixel_format = val & PLANE_CTL_FORMAT_MASK_SKL;
2786 
2787 	if (DISPLAY_VER(dev_priv) >= 10) {
2788 		u32 color_ctl;
2789 
2790 		color_ctl = intel_de_read(dev_priv, PLANE_COLOR_CTL(pipe, plane_id));
2791 		alpha = REG_FIELD_GET(PLANE_COLOR_ALPHA_MASK, color_ctl);
2792 	} else {
2793 		alpha = REG_FIELD_GET(PLANE_CTL_ALPHA_MASK, val);
2794 	}
2795 
2796 	fourcc = skl_format_to_fourcc(pixel_format,
2797 				      val & PLANE_CTL_ORDER_RGBX, alpha);
2798 	fb->format = drm_format_info(fourcc);
2799 
2800 	tiling = val & PLANE_CTL_TILED_MASK;
2801 	switch (tiling) {
2802 	case PLANE_CTL_TILED_LINEAR:
2803 		fb->modifier = DRM_FORMAT_MOD_LINEAR;
2804 		break;
2805 	case PLANE_CTL_TILED_X:
2806 		plane_config->tiling = I915_TILING_X;
2807 		fb->modifier = I915_FORMAT_MOD_X_TILED;
2808 		break;
2809 	case PLANE_CTL_TILED_Y:
2810 		plane_config->tiling = I915_TILING_Y;
2811 		if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
2812 			if (DISPLAY_VER(dev_priv) >= 14)
2813 				fb->modifier = I915_FORMAT_MOD_4_TILED_MTL_RC_CCS;
2814 			else if (DISPLAY_VER(dev_priv) >= 12)
2815 				fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS;
2816 			else
2817 				fb->modifier = I915_FORMAT_MOD_Y_TILED_CCS;
2818 		else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE)
2819 			if (DISPLAY_VER(dev_priv) >= 14)
2820 				fb->modifier = I915_FORMAT_MOD_4_TILED_MTL_MC_CCS;
2821 			else
2822 				fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS;
2823 		else
2824 			fb->modifier = I915_FORMAT_MOD_Y_TILED;
2825 		break;
2826 	case PLANE_CTL_TILED_YF: /* aka PLANE_CTL_TILED_4 on XE_LPD+ */
2827 		if (HAS_4TILE(dev_priv)) {
2828 			u32 rc_mask = PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
2829 				      PLANE_CTL_CLEAR_COLOR_DISABLE;
2830 
2831 			if ((val & rc_mask) == rc_mask)
2832 				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_RC_CCS;
2833 			else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE)
2834 				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_MC_CCS;
2835 			else if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
2836 				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC;
2837 			else
2838 				fb->modifier = I915_FORMAT_MOD_4_TILED;
2839 		} else {
2840 			if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
2841 				fb->modifier = I915_FORMAT_MOD_Yf_TILED_CCS;
2842 			else
2843 				fb->modifier = I915_FORMAT_MOD_Yf_TILED;
2844 		}
2845 		break;
2846 	default:
2847 		MISSING_CASE(tiling);
2848 		goto error;
2849 	}
2850 
2851 	if (!dev_priv->display.params.enable_dpt &&
2852 	    intel_fb_modifier_uses_dpt(dev_priv, fb->modifier)) {
2853 		drm_dbg_kms(&dev_priv->drm, "DPT disabled, skipping initial FB\n");
2854 		goto error;
2855 	}
2856 
2857 	/*
2858 	 * DRM_MODE_ROTATE_ is counter clockwise to stay compatible with Xrandr
2859 	 * while i915 HW rotation is clockwise, thats why this swapping.
2860 	 */
2861 	switch (val & PLANE_CTL_ROTATE_MASK) {
2862 	case PLANE_CTL_ROTATE_0:
2863 		plane_config->rotation = DRM_MODE_ROTATE_0;
2864 		break;
2865 	case PLANE_CTL_ROTATE_90:
2866 		plane_config->rotation = DRM_MODE_ROTATE_270;
2867 		break;
2868 	case PLANE_CTL_ROTATE_180:
2869 		plane_config->rotation = DRM_MODE_ROTATE_180;
2870 		break;
2871 	case PLANE_CTL_ROTATE_270:
2872 		plane_config->rotation = DRM_MODE_ROTATE_90;
2873 		break;
2874 	}
2875 
2876 	if (DISPLAY_VER(dev_priv) >= 11 && val & PLANE_CTL_FLIP_HORIZONTAL)
2877 		plane_config->rotation |= DRM_MODE_REFLECT_X;
2878 
2879 	/* 90/270 degree rotation would require extra work */
2880 	if (drm_rotation_90_or_270(plane_config->rotation))
2881 		goto error;
2882 
2883 	base = intel_de_read(dev_priv, PLANE_SURF(pipe, plane_id)) & PLANE_SURF_ADDR_MASK;
2884 	plane_config->base = base;
2885 
2886 	offset = intel_de_read(dev_priv, PLANE_OFFSET(pipe, plane_id));
2887 	drm_WARN_ON(&dev_priv->drm, offset != 0);
2888 
2889 	val = intel_de_read(dev_priv, PLANE_SIZE(pipe, plane_id));
2890 	fb->height = REG_FIELD_GET(PLANE_HEIGHT_MASK, val) + 1;
2891 	fb->width = REG_FIELD_GET(PLANE_WIDTH_MASK, val) + 1;
2892 
2893 	val = intel_de_read(dev_priv, PLANE_STRIDE(pipe, plane_id));
2894 	stride_mult = skl_plane_stride_mult(fb, 0, DRM_MODE_ROTATE_0);
2895 
2896 	fb->pitches[0] = REG_FIELD_GET(PLANE_STRIDE__MASK, val) * stride_mult;
2897 
2898 	aligned_height = intel_fb_align_height(fb, 0, fb->height);
2899 
2900 	plane_config->size = fb->pitches[0] * aligned_height;
2901 
2902 	drm_dbg_kms(&dev_priv->drm,
2903 		    "%s/%s with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
2904 		    crtc->base.name, plane->base.name, fb->width, fb->height,
2905 		    fb->format->cpp[0] * 8, base, fb->pitches[0],
2906 		    plane_config->size);
2907 
2908 	plane_config->fb = intel_fb;
2909 	return;
2910 
2911 error:
2912 	kfree(intel_fb);
2913 }
2914 
skl_fixup_initial_plane_config(struct intel_crtc * crtc,const struct intel_initial_plane_config * plane_config)2915 bool skl_fixup_initial_plane_config(struct intel_crtc *crtc,
2916 				    const struct intel_initial_plane_config *plane_config)
2917 {
2918 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
2919 	struct intel_plane *plane = to_intel_plane(crtc->base.primary);
2920 	const struct intel_plane_state *plane_state =
2921 		to_intel_plane_state(plane->base.state);
2922 	enum plane_id plane_id = plane->id;
2923 	enum pipe pipe = crtc->pipe;
2924 	u32 base;
2925 
2926 	if (!plane_state->uapi.visible)
2927 		return false;
2928 
2929 	base = intel_plane_ggtt_offset(plane_state);
2930 
2931 	/*
2932 	 * We may have moved the surface to a different
2933 	 * part of ggtt, make the plane aware of that.
2934 	 */
2935 	if (plane_config->base == base)
2936 		return false;
2937 
2938 	intel_de_write(i915, PLANE_SURF(pipe, plane_id), base);
2939 
2940 	return true;
2941 }
2942