xref: /linux/drivers/gpu/drm/i915/display/skl_universal_plane.c (revision de848da12f752170c2ebe114804a985314fd5a6a)
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_de.h"
15 #include "intel_display_irq.h"
16 #include "intel_display_types.h"
17 #include "intel_dpt.h"
18 #include "intel_fb.h"
19 #include "intel_fbc.h"
20 #include "intel_frontbuffer.h"
21 #include "intel_psr.h"
22 #include "intel_psr_regs.h"
23 #include "skl_scaler.h"
24 #include "skl_universal_plane.h"
25 #include "skl_universal_plane_regs.h"
26 #include "skl_watermark.h"
27 #include "pxp/intel_pxp.h"
28 
29 static const u32 skl_plane_formats[] = {
30 	DRM_FORMAT_C8,
31 	DRM_FORMAT_RGB565,
32 	DRM_FORMAT_XRGB8888,
33 	DRM_FORMAT_XBGR8888,
34 	DRM_FORMAT_ARGB8888,
35 	DRM_FORMAT_ABGR8888,
36 	DRM_FORMAT_XRGB2101010,
37 	DRM_FORMAT_XBGR2101010,
38 	DRM_FORMAT_XRGB16161616F,
39 	DRM_FORMAT_XBGR16161616F,
40 	DRM_FORMAT_YUYV,
41 	DRM_FORMAT_YVYU,
42 	DRM_FORMAT_UYVY,
43 	DRM_FORMAT_VYUY,
44 	DRM_FORMAT_XYUV8888,
45 };
46 
47 static const u32 skl_planar_formats[] = {
48 	DRM_FORMAT_C8,
49 	DRM_FORMAT_RGB565,
50 	DRM_FORMAT_XRGB8888,
51 	DRM_FORMAT_XBGR8888,
52 	DRM_FORMAT_ARGB8888,
53 	DRM_FORMAT_ABGR8888,
54 	DRM_FORMAT_XRGB2101010,
55 	DRM_FORMAT_XBGR2101010,
56 	DRM_FORMAT_XRGB16161616F,
57 	DRM_FORMAT_XBGR16161616F,
58 	DRM_FORMAT_YUYV,
59 	DRM_FORMAT_YVYU,
60 	DRM_FORMAT_UYVY,
61 	DRM_FORMAT_VYUY,
62 	DRM_FORMAT_NV12,
63 	DRM_FORMAT_XYUV8888,
64 };
65 
66 static const u32 glk_planar_formats[] = {
67 	DRM_FORMAT_C8,
68 	DRM_FORMAT_RGB565,
69 	DRM_FORMAT_XRGB8888,
70 	DRM_FORMAT_XBGR8888,
71 	DRM_FORMAT_ARGB8888,
72 	DRM_FORMAT_ABGR8888,
73 	DRM_FORMAT_XRGB2101010,
74 	DRM_FORMAT_XBGR2101010,
75 	DRM_FORMAT_XRGB16161616F,
76 	DRM_FORMAT_XBGR16161616F,
77 	DRM_FORMAT_YUYV,
78 	DRM_FORMAT_YVYU,
79 	DRM_FORMAT_UYVY,
80 	DRM_FORMAT_VYUY,
81 	DRM_FORMAT_NV12,
82 	DRM_FORMAT_XYUV8888,
83 	DRM_FORMAT_P010,
84 	DRM_FORMAT_P012,
85 	DRM_FORMAT_P016,
86 };
87 
88 static const u32 icl_sdr_y_plane_formats[] = {
89 	DRM_FORMAT_C8,
90 	DRM_FORMAT_RGB565,
91 	DRM_FORMAT_XRGB8888,
92 	DRM_FORMAT_XBGR8888,
93 	DRM_FORMAT_ARGB8888,
94 	DRM_FORMAT_ABGR8888,
95 	DRM_FORMAT_XRGB2101010,
96 	DRM_FORMAT_XBGR2101010,
97 	DRM_FORMAT_ARGB2101010,
98 	DRM_FORMAT_ABGR2101010,
99 	DRM_FORMAT_YUYV,
100 	DRM_FORMAT_YVYU,
101 	DRM_FORMAT_UYVY,
102 	DRM_FORMAT_VYUY,
103 	DRM_FORMAT_Y210,
104 	DRM_FORMAT_Y212,
105 	DRM_FORMAT_Y216,
106 	DRM_FORMAT_XYUV8888,
107 	DRM_FORMAT_XVYU2101010,
108 	DRM_FORMAT_XVYU12_16161616,
109 	DRM_FORMAT_XVYU16161616,
110 };
111 
112 static const u32 icl_sdr_uv_plane_formats[] = {
113 	DRM_FORMAT_C8,
114 	DRM_FORMAT_RGB565,
115 	DRM_FORMAT_XRGB8888,
116 	DRM_FORMAT_XBGR8888,
117 	DRM_FORMAT_ARGB8888,
118 	DRM_FORMAT_ABGR8888,
119 	DRM_FORMAT_XRGB2101010,
120 	DRM_FORMAT_XBGR2101010,
121 	DRM_FORMAT_ARGB2101010,
122 	DRM_FORMAT_ABGR2101010,
123 	DRM_FORMAT_YUYV,
124 	DRM_FORMAT_YVYU,
125 	DRM_FORMAT_UYVY,
126 	DRM_FORMAT_VYUY,
127 	DRM_FORMAT_NV12,
128 	DRM_FORMAT_P010,
129 	DRM_FORMAT_P012,
130 	DRM_FORMAT_P016,
131 	DRM_FORMAT_Y210,
132 	DRM_FORMAT_Y212,
133 	DRM_FORMAT_Y216,
134 	DRM_FORMAT_XYUV8888,
135 	DRM_FORMAT_XVYU2101010,
136 	DRM_FORMAT_XVYU12_16161616,
137 	DRM_FORMAT_XVYU16161616,
138 };
139 
140 static const u32 icl_hdr_plane_formats[] = {
141 	DRM_FORMAT_C8,
142 	DRM_FORMAT_RGB565,
143 	DRM_FORMAT_XRGB8888,
144 	DRM_FORMAT_XBGR8888,
145 	DRM_FORMAT_ARGB8888,
146 	DRM_FORMAT_ABGR8888,
147 	DRM_FORMAT_XRGB2101010,
148 	DRM_FORMAT_XBGR2101010,
149 	DRM_FORMAT_ARGB2101010,
150 	DRM_FORMAT_ABGR2101010,
151 	DRM_FORMAT_XRGB16161616F,
152 	DRM_FORMAT_XBGR16161616F,
153 	DRM_FORMAT_ARGB16161616F,
154 	DRM_FORMAT_ABGR16161616F,
155 	DRM_FORMAT_YUYV,
156 	DRM_FORMAT_YVYU,
157 	DRM_FORMAT_UYVY,
158 	DRM_FORMAT_VYUY,
159 	DRM_FORMAT_NV12,
160 	DRM_FORMAT_P010,
161 	DRM_FORMAT_P012,
162 	DRM_FORMAT_P016,
163 	DRM_FORMAT_Y210,
164 	DRM_FORMAT_Y212,
165 	DRM_FORMAT_Y216,
166 	DRM_FORMAT_XYUV8888,
167 	DRM_FORMAT_XVYU2101010,
168 	DRM_FORMAT_XVYU12_16161616,
169 	DRM_FORMAT_XVYU16161616,
170 };
171 
172 int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
173 {
174 	switch (format) {
175 	case PLANE_CTL_FORMAT_RGB_565:
176 		return DRM_FORMAT_RGB565;
177 	case PLANE_CTL_FORMAT_NV12:
178 		return DRM_FORMAT_NV12;
179 	case PLANE_CTL_FORMAT_XYUV:
180 		return DRM_FORMAT_XYUV8888;
181 	case PLANE_CTL_FORMAT_P010:
182 		return DRM_FORMAT_P010;
183 	case PLANE_CTL_FORMAT_P012:
184 		return DRM_FORMAT_P012;
185 	case PLANE_CTL_FORMAT_P016:
186 		return DRM_FORMAT_P016;
187 	case PLANE_CTL_FORMAT_Y210:
188 		return DRM_FORMAT_Y210;
189 	case PLANE_CTL_FORMAT_Y212:
190 		return DRM_FORMAT_Y212;
191 	case PLANE_CTL_FORMAT_Y216:
192 		return DRM_FORMAT_Y216;
193 	case PLANE_CTL_FORMAT_Y410:
194 		return DRM_FORMAT_XVYU2101010;
195 	case PLANE_CTL_FORMAT_Y412:
196 		return DRM_FORMAT_XVYU12_16161616;
197 	case PLANE_CTL_FORMAT_Y416:
198 		return DRM_FORMAT_XVYU16161616;
199 	default:
200 	case PLANE_CTL_FORMAT_XRGB_8888:
201 		if (rgb_order) {
202 			if (alpha)
203 				return DRM_FORMAT_ABGR8888;
204 			else
205 				return DRM_FORMAT_XBGR8888;
206 		} else {
207 			if (alpha)
208 				return DRM_FORMAT_ARGB8888;
209 			else
210 				return DRM_FORMAT_XRGB8888;
211 		}
212 	case PLANE_CTL_FORMAT_XRGB_2101010:
213 		if (rgb_order) {
214 			if (alpha)
215 				return DRM_FORMAT_ABGR2101010;
216 			else
217 				return DRM_FORMAT_XBGR2101010;
218 		} else {
219 			if (alpha)
220 				return DRM_FORMAT_ARGB2101010;
221 			else
222 				return DRM_FORMAT_XRGB2101010;
223 		}
224 	case PLANE_CTL_FORMAT_XRGB_16161616F:
225 		if (rgb_order) {
226 			if (alpha)
227 				return DRM_FORMAT_ABGR16161616F;
228 			else
229 				return DRM_FORMAT_XBGR16161616F;
230 		} else {
231 			if (alpha)
232 				return DRM_FORMAT_ARGB16161616F;
233 			else
234 				return DRM_FORMAT_XRGB16161616F;
235 		}
236 	}
237 }
238 
239 static u8 icl_nv12_y_plane_mask(struct drm_i915_private *i915)
240 {
241 	if (DISPLAY_VER(i915) >= 13 || HAS_D12_PLANE_MINIMIZATION(i915))
242 		return BIT(PLANE_4) | BIT(PLANE_5);
243 	else
244 		return BIT(PLANE_6) | BIT(PLANE_7);
245 }
246 
247 bool icl_is_nv12_y_plane(struct drm_i915_private *dev_priv,
248 			 enum plane_id plane_id)
249 {
250 	return DISPLAY_VER(dev_priv) >= 11 &&
251 		icl_nv12_y_plane_mask(dev_priv) & BIT(plane_id);
252 }
253 
254 u8 icl_hdr_plane_mask(void)
255 {
256 	return BIT(PLANE_1) | BIT(PLANE_2) | BIT(PLANE_3);
257 }
258 
259 bool icl_is_hdr_plane(struct drm_i915_private *dev_priv, enum plane_id plane_id)
260 {
261 	return DISPLAY_VER(dev_priv) >= 11 &&
262 		icl_hdr_plane_mask() & BIT(plane_id);
263 }
264 
265 static int icl_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
266 			       const struct intel_plane_state *plane_state)
267 {
268 	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
269 
270 	/* two pixels per clock */
271 	return DIV_ROUND_UP(pixel_rate, 2);
272 }
273 
274 static void
275 glk_plane_ratio(const struct intel_plane_state *plane_state,
276 		unsigned int *num, unsigned int *den)
277 {
278 	const struct drm_framebuffer *fb = plane_state->hw.fb;
279 
280 	if (fb->format->cpp[0] == 8) {
281 		*num = 10;
282 		*den = 8;
283 	} else {
284 		*num = 1;
285 		*den = 1;
286 	}
287 }
288 
289 static int glk_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
290 			       const struct intel_plane_state *plane_state)
291 {
292 	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
293 	unsigned int num, den;
294 
295 	glk_plane_ratio(plane_state, &num, &den);
296 
297 	/* two pixels per clock */
298 	return DIV_ROUND_UP(pixel_rate * num, 2 * den);
299 }
300 
301 static void
302 skl_plane_ratio(const struct intel_plane_state *plane_state,
303 		unsigned int *num, unsigned int *den)
304 {
305 	const struct drm_framebuffer *fb = plane_state->hw.fb;
306 
307 	if (fb->format->cpp[0] == 8) {
308 		*num = 9;
309 		*den = 8;
310 	} else {
311 		*num = 1;
312 		*den = 1;
313 	}
314 }
315 
316 static int skl_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
317 			       const struct intel_plane_state *plane_state)
318 {
319 	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
320 	unsigned int num, den;
321 
322 	skl_plane_ratio(plane_state, &num, &den);
323 
324 	return DIV_ROUND_UP(pixel_rate * num, den);
325 }
326 
327 static int skl_plane_max_width(const struct drm_framebuffer *fb,
328 			       int color_plane,
329 			       unsigned int rotation)
330 {
331 	int cpp = fb->format->cpp[color_plane];
332 
333 	switch (fb->modifier) {
334 	case DRM_FORMAT_MOD_LINEAR:
335 	case I915_FORMAT_MOD_X_TILED:
336 		/*
337 		 * Validated limit is 4k, but has 5k should
338 		 * work apart from the following features:
339 		 * - Ytile (already limited to 4k)
340 		 * - FP16 (already limited to 4k)
341 		 * - render compression (already limited to 4k)
342 		 * - KVMR sprite and cursor (don't care)
343 		 * - horizontal panning (TODO verify this)
344 		 * - pipe and plane scaling (TODO verify this)
345 		 */
346 		if (cpp == 8)
347 			return 4096;
348 		else
349 			return 5120;
350 	case I915_FORMAT_MOD_Y_TILED_CCS:
351 	case I915_FORMAT_MOD_Yf_TILED_CCS:
352 	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_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 
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 
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 
434 static int icl_hdr_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 5120;
442 }
443 
444 static int icl_sdr_plane_max_width(const struct drm_framebuffer *fb,
445 				   int color_plane,
446 				   unsigned int rotation)
447 {
448 	return 5120;
449 }
450 
451 static int skl_plane_max_height(const struct drm_framebuffer *fb,
452 				int color_plane,
453 				unsigned int rotation)
454 {
455 	return 4096;
456 }
457 
458 static int icl_plane_max_height(const struct drm_framebuffer *fb,
459 				int color_plane,
460 				unsigned int rotation)
461 {
462 	return 4320;
463 }
464 
465 static unsigned int
466 plane_max_stride(struct intel_plane *plane,
467 		 u32 pixel_format, u64 modifier,
468 		 unsigned int rotation,
469 		 unsigned int max_pixels,
470 		 unsigned int max_bytes)
471 {
472 	const struct drm_format_info *info = drm_format_info(pixel_format);
473 	int cpp = info->cpp[0];
474 
475 	if (drm_rotation_90_or_270(rotation))
476 		return min(max_pixels, max_bytes / cpp);
477 	else
478 		return min(max_pixels * cpp, max_bytes);
479 }
480 
481 static unsigned int
482 adl_plane_max_stride(struct intel_plane *plane,
483 		     u32 pixel_format, u64 modifier,
484 		     unsigned int rotation)
485 {
486 	unsigned int max_pixels = 65536; /* PLANE_OFFSET limit */
487 	unsigned int max_bytes = 128 * 1024;
488 
489 	return plane_max_stride(plane, pixel_format,
490 				modifier, rotation,
491 				max_pixels, max_bytes);
492 }
493 
494 static unsigned int
495 skl_plane_max_stride(struct intel_plane *plane,
496 		     u32 pixel_format, u64 modifier,
497 		     unsigned int rotation)
498 {
499 	unsigned int max_pixels = 8192; /* PLANE_OFFSET limit */
500 	unsigned int max_bytes = 32 * 1024;
501 
502 	return plane_max_stride(plane, pixel_format,
503 				modifier, rotation,
504 				max_pixels, max_bytes);
505 }
506 
507 static u32 tgl_plane_min_alignment(struct intel_plane *plane,
508 				   const struct drm_framebuffer *fb,
509 				   int color_plane)
510 {
511 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
512 	/* PLANE_SURF GGTT -> DPT alignment */
513 	int mult = intel_fb_uses_dpt(fb) ? 512 : 1;
514 
515 	/* AUX_DIST needs only 4K alignment */
516 	if (intel_fb_is_ccs_aux_plane(fb, color_plane))
517 		return mult * 4 * 1024;
518 
519 	switch (fb->modifier) {
520 	case DRM_FORMAT_MOD_LINEAR:
521 	case I915_FORMAT_MOD_X_TILED:
522 	case I915_FORMAT_MOD_Y_TILED:
523 	case I915_FORMAT_MOD_4_TILED:
524 		/*
525 		 * FIXME ADL sees GGTT/DMAR faults with async
526 		 * flips unless we align to 16k at least.
527 		 * Figure out what's going on here...
528 		 */
529 		if (IS_ALDERLAKE_P(i915) && HAS_ASYNC_FLIPS(i915))
530 			return mult * 16 * 1024;
531 		return mult * 4 * 1024;
532 	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
533 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
534 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
535 	case I915_FORMAT_MOD_4_TILED_MTL_MC_CCS:
536 	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS:
537 	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS_CC:
538 	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
539 	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC:
540 	case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
541 	case I915_FORMAT_MOD_4_TILED_BMG_CCS:
542 	case I915_FORMAT_MOD_4_TILED_LNL_CCS:
543 		/*
544 		 * Align to at least 4x1 main surface
545 		 * tiles (16K) to match 64B of AUX.
546 		 */
547 		return max(mult * 4 * 1024, 16 * 1024);
548 	default:
549 		MISSING_CASE(fb->modifier);
550 		return 0;
551 	}
552 }
553 
554 static u32 skl_plane_min_alignment(struct intel_plane *plane,
555 				   const struct drm_framebuffer *fb,
556 				   int color_plane)
557 {
558 	/*
559 	 * AUX_DIST needs only 4K alignment,
560 	 * as does ICL UV PLANE_SURF.
561 	 */
562 	if (color_plane != 0)
563 		return 4 * 1024;
564 
565 	switch (fb->modifier) {
566 	case DRM_FORMAT_MOD_LINEAR:
567 	case I915_FORMAT_MOD_X_TILED:
568 		return 256 * 1024;
569 	case I915_FORMAT_MOD_Y_TILED_CCS:
570 	case I915_FORMAT_MOD_Yf_TILED_CCS:
571 	case I915_FORMAT_MOD_Y_TILED:
572 	case I915_FORMAT_MOD_Yf_TILED:
573 		return 1 * 1024 * 1024;
574 	default:
575 		MISSING_CASE(fb->modifier);
576 		return 0;
577 	}
578 }
579 
580 /* Preoffset values for YUV to RGB Conversion */
581 #define PREOFF_YUV_TO_RGB_HI		0x1800
582 #define PREOFF_YUV_TO_RGB_ME		0x0000
583 #define PREOFF_YUV_TO_RGB_LO		0x1800
584 
585 #define  ROFF(x)          (((x) & 0xffff) << 16)
586 #define  GOFF(x)          (((x) & 0xffff) << 0)
587 #define  BOFF(x)          (((x) & 0xffff) << 16)
588 
589 /*
590  * Programs the input color space conversion stage for ICL HDR planes.
591  * Note that it is assumed that this stage always happens after YUV
592  * range correction. Thus, the input to this stage is assumed to be
593  * in full-range YCbCr.
594  */
595 static void
596 icl_program_input_csc(struct intel_plane *plane,
597 		      const struct intel_crtc_state *crtc_state,
598 		      const struct intel_plane_state *plane_state)
599 {
600 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
601 	enum pipe pipe = plane->pipe;
602 	enum plane_id plane_id = plane->id;
603 
604 	static const u16 input_csc_matrix[][9] = {
605 		/*
606 		 * BT.601 full range YCbCr -> full range RGB
607 		 * The matrix required is :
608 		 * [1.000, 0.000, 1.371,
609 		 *  1.000, -0.336, -0.698,
610 		 *  1.000, 1.732, 0.0000]
611 		 */
612 		[DRM_COLOR_YCBCR_BT601] = {
613 			0x7AF8, 0x7800, 0x0,
614 			0x8B28, 0x7800, 0x9AC0,
615 			0x0, 0x7800, 0x7DD8,
616 		},
617 		/*
618 		 * BT.709 full range YCbCr -> full range RGB
619 		 * The matrix required is :
620 		 * [1.000, 0.000, 1.574,
621 		 *  1.000, -0.187, -0.468,
622 		 *  1.000, 1.855, 0.0000]
623 		 */
624 		[DRM_COLOR_YCBCR_BT709] = {
625 			0x7C98, 0x7800, 0x0,
626 			0x9EF8, 0x7800, 0xAC00,
627 			0x0, 0x7800,  0x7ED8,
628 		},
629 		/*
630 		 * BT.2020 full range YCbCr -> full range RGB
631 		 * The matrix required is :
632 		 * [1.000, 0.000, 1.474,
633 		 *  1.000, -0.1645, -0.5713,
634 		 *  1.000, 1.8814, 0.0000]
635 		 */
636 		[DRM_COLOR_YCBCR_BT2020] = {
637 			0x7BC8, 0x7800, 0x0,
638 			0x8928, 0x7800, 0xAA88,
639 			0x0, 0x7800, 0x7F10,
640 		},
641 	};
642 	const u16 *csc = input_csc_matrix[plane_state->hw.color_encoding];
643 
644 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 0),
645 			  ROFF(csc[0]) | GOFF(csc[1]));
646 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 1),
647 			  BOFF(csc[2]));
648 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 2),
649 			  ROFF(csc[3]) | GOFF(csc[4]));
650 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 3),
651 			  BOFF(csc[5]));
652 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 4),
653 			  ROFF(csc[6]) | GOFF(csc[7]));
654 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 5),
655 			  BOFF(csc[8]));
656 
657 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 0),
658 			  PREOFF_YUV_TO_RGB_HI);
659 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1),
660 			  PREOFF_YUV_TO_RGB_ME);
661 	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 2),
662 			  PREOFF_YUV_TO_RGB_LO);
663 	intel_de_write_fw(dev_priv,
664 			  PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 0), 0x0);
665 	intel_de_write_fw(dev_priv,
666 			  PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 1), 0x0);
667 	intel_de_write_fw(dev_priv,
668 			  PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 2), 0x0);
669 }
670 
671 static unsigned int skl_plane_stride_mult(const struct drm_framebuffer *fb,
672 					  int color_plane, unsigned int rotation)
673 {
674 	/*
675 	 * The stride is either expressed as a multiple of 64 bytes chunks for
676 	 * linear buffers or in number of tiles for tiled buffers.
677 	 */
678 	if (is_surface_linear(fb, color_plane))
679 		return 64;
680 	else if (drm_rotation_90_or_270(rotation))
681 		return intel_tile_height(fb, color_plane);
682 	else
683 		return intel_tile_width_bytes(fb, color_plane);
684 }
685 
686 static u32 skl_plane_stride(const struct intel_plane_state *plane_state,
687 			    int color_plane)
688 {
689 	const struct drm_framebuffer *fb = plane_state->hw.fb;
690 	unsigned int rotation = plane_state->hw.rotation;
691 	u32 stride = plane_state->view.color_plane[color_plane].scanout_stride;
692 
693 	if (color_plane >= fb->format->num_planes)
694 		return 0;
695 
696 	return stride / skl_plane_stride_mult(fb, color_plane, rotation);
697 }
698 
699 static u32 skl_plane_ddb_reg_val(const struct skl_ddb_entry *entry)
700 {
701 	if (!entry->end)
702 		return 0;
703 
704 	return PLANE_BUF_END(entry->end - 1) |
705 		PLANE_BUF_START(entry->start);
706 }
707 
708 static u32 skl_plane_wm_reg_val(const struct skl_wm_level *level)
709 {
710 	u32 val = 0;
711 
712 	if (level->enable)
713 		val |= PLANE_WM_EN;
714 	if (level->ignore_lines)
715 		val |= PLANE_WM_IGNORE_LINES;
716 	val |= REG_FIELD_PREP(PLANE_WM_BLOCKS_MASK, level->blocks);
717 	val |= REG_FIELD_PREP(PLANE_WM_LINES_MASK, level->lines);
718 
719 	return val;
720 }
721 
722 static void skl_write_plane_wm(struct intel_plane *plane,
723 			       const struct intel_crtc_state *crtc_state)
724 {
725 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
726 	enum plane_id plane_id = plane->id;
727 	enum pipe pipe = plane->pipe;
728 	const struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal;
729 	const struct skl_ddb_entry *ddb =
730 		&crtc_state->wm.skl.plane_ddb[plane_id];
731 	const struct skl_ddb_entry *ddb_y =
732 		&crtc_state->wm.skl.plane_ddb_y[plane_id];
733 	int level;
734 
735 	for (level = 0; level < i915->display.wm.num_levels; level++)
736 		intel_de_write_fw(i915, PLANE_WM(pipe, plane_id, level),
737 				  skl_plane_wm_reg_val(skl_plane_wm_level(pipe_wm, plane_id, level)));
738 
739 	intel_de_write_fw(i915, PLANE_WM_TRANS(pipe, plane_id),
740 			  skl_plane_wm_reg_val(skl_plane_trans_wm(pipe_wm, plane_id)));
741 
742 	if (HAS_HW_SAGV_WM(i915)) {
743 		const struct skl_plane_wm *wm = &pipe_wm->planes[plane_id];
744 
745 		intel_de_write_fw(i915, PLANE_WM_SAGV(pipe, plane_id),
746 				  skl_plane_wm_reg_val(&wm->sagv.wm0));
747 		intel_de_write_fw(i915, PLANE_WM_SAGV_TRANS(pipe, plane_id),
748 				  skl_plane_wm_reg_val(&wm->sagv.trans_wm));
749 	}
750 
751 	intel_de_write_fw(i915, PLANE_BUF_CFG(pipe, plane_id),
752 			  skl_plane_ddb_reg_val(ddb));
753 
754 	if (DISPLAY_VER(i915) < 11)
755 		intel_de_write_fw(i915, PLANE_NV12_BUF_CFG(pipe, plane_id),
756 				  skl_plane_ddb_reg_val(ddb_y));
757 }
758 
759 static void
760 skl_plane_disable_arm(struct intel_plane *plane,
761 		      const struct intel_crtc_state *crtc_state)
762 {
763 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
764 	enum plane_id plane_id = plane->id;
765 	enum pipe pipe = plane->pipe;
766 
767 	skl_write_plane_wm(plane, crtc_state);
768 
769 	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0);
770 	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0);
771 }
772 
773 static void icl_plane_disable_sel_fetch_arm(struct intel_plane *plane,
774 					    const struct intel_crtc_state *crtc_state)
775 {
776 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
777 	enum pipe pipe = plane->pipe;
778 
779 	if (!crtc_state->enable_psr2_sel_fetch)
780 		return;
781 
782 	intel_de_write_fw(i915, SEL_FETCH_PLANE_CTL(pipe, plane->id), 0);
783 }
784 
785 static void
786 icl_plane_disable_arm(struct intel_plane *plane,
787 		      const struct intel_crtc_state *crtc_state)
788 {
789 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
790 	enum plane_id plane_id = plane->id;
791 	enum pipe pipe = plane->pipe;
792 
793 	if (icl_is_hdr_plane(dev_priv, plane_id))
794 		intel_de_write_fw(dev_priv, PLANE_CUS_CTL(pipe, plane_id), 0);
795 
796 	skl_write_plane_wm(plane, crtc_state);
797 
798 	icl_plane_disable_sel_fetch_arm(plane, crtc_state);
799 	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0);
800 	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0);
801 }
802 
803 static bool
804 skl_plane_get_hw_state(struct intel_plane *plane,
805 		       enum pipe *pipe)
806 {
807 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
808 	enum intel_display_power_domain power_domain;
809 	enum plane_id plane_id = plane->id;
810 	intel_wakeref_t wakeref;
811 	bool ret;
812 
813 	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
814 	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
815 	if (!wakeref)
816 		return false;
817 
818 	ret = intel_de_read(dev_priv, PLANE_CTL(plane->pipe, plane_id)) & PLANE_CTL_ENABLE;
819 
820 	*pipe = plane->pipe;
821 
822 	intel_display_power_put(dev_priv, power_domain, wakeref);
823 
824 	return ret;
825 }
826 
827 static u32 skl_plane_ctl_format(u32 pixel_format)
828 {
829 	switch (pixel_format) {
830 	case DRM_FORMAT_C8:
831 		return PLANE_CTL_FORMAT_INDEXED;
832 	case DRM_FORMAT_RGB565:
833 		return PLANE_CTL_FORMAT_RGB_565;
834 	case DRM_FORMAT_XBGR8888:
835 	case DRM_FORMAT_ABGR8888:
836 		return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX;
837 	case DRM_FORMAT_XRGB8888:
838 	case DRM_FORMAT_ARGB8888:
839 		return PLANE_CTL_FORMAT_XRGB_8888;
840 	case DRM_FORMAT_XBGR2101010:
841 	case DRM_FORMAT_ABGR2101010:
842 		return PLANE_CTL_FORMAT_XRGB_2101010 | PLANE_CTL_ORDER_RGBX;
843 	case DRM_FORMAT_XRGB2101010:
844 	case DRM_FORMAT_ARGB2101010:
845 		return PLANE_CTL_FORMAT_XRGB_2101010;
846 	case DRM_FORMAT_XBGR16161616F:
847 	case DRM_FORMAT_ABGR16161616F:
848 		return PLANE_CTL_FORMAT_XRGB_16161616F | PLANE_CTL_ORDER_RGBX;
849 	case DRM_FORMAT_XRGB16161616F:
850 	case DRM_FORMAT_ARGB16161616F:
851 		return PLANE_CTL_FORMAT_XRGB_16161616F;
852 	case DRM_FORMAT_XYUV8888:
853 		return PLANE_CTL_FORMAT_XYUV;
854 	case DRM_FORMAT_YUYV:
855 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_YUYV;
856 	case DRM_FORMAT_YVYU:
857 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_YVYU;
858 	case DRM_FORMAT_UYVY:
859 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_UYVY;
860 	case DRM_FORMAT_VYUY:
861 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_VYUY;
862 	case DRM_FORMAT_NV12:
863 		return PLANE_CTL_FORMAT_NV12;
864 	case DRM_FORMAT_P010:
865 		return PLANE_CTL_FORMAT_P010;
866 	case DRM_FORMAT_P012:
867 		return PLANE_CTL_FORMAT_P012;
868 	case DRM_FORMAT_P016:
869 		return PLANE_CTL_FORMAT_P016;
870 	case DRM_FORMAT_Y210:
871 		return PLANE_CTL_FORMAT_Y210;
872 	case DRM_FORMAT_Y212:
873 		return PLANE_CTL_FORMAT_Y212;
874 	case DRM_FORMAT_Y216:
875 		return PLANE_CTL_FORMAT_Y216;
876 	case DRM_FORMAT_XVYU2101010:
877 		return PLANE_CTL_FORMAT_Y410;
878 	case DRM_FORMAT_XVYU12_16161616:
879 		return PLANE_CTL_FORMAT_Y412;
880 	case DRM_FORMAT_XVYU16161616:
881 		return PLANE_CTL_FORMAT_Y416;
882 	default:
883 		MISSING_CASE(pixel_format);
884 	}
885 
886 	return 0;
887 }
888 
889 static u32 skl_plane_ctl_alpha(const struct intel_plane_state *plane_state)
890 {
891 	if (!plane_state->hw.fb->format->has_alpha)
892 		return PLANE_CTL_ALPHA_DISABLE;
893 
894 	switch (plane_state->hw.pixel_blend_mode) {
895 	case DRM_MODE_BLEND_PIXEL_NONE:
896 		return PLANE_CTL_ALPHA_DISABLE;
897 	case DRM_MODE_BLEND_PREMULTI:
898 		return PLANE_CTL_ALPHA_SW_PREMULTIPLY;
899 	case DRM_MODE_BLEND_COVERAGE:
900 		return PLANE_CTL_ALPHA_HW_PREMULTIPLY;
901 	default:
902 		MISSING_CASE(plane_state->hw.pixel_blend_mode);
903 		return PLANE_CTL_ALPHA_DISABLE;
904 	}
905 }
906 
907 static u32 glk_plane_color_ctl_alpha(const struct intel_plane_state *plane_state)
908 {
909 	if (!plane_state->hw.fb->format->has_alpha)
910 		return PLANE_COLOR_ALPHA_DISABLE;
911 
912 	switch (plane_state->hw.pixel_blend_mode) {
913 	case DRM_MODE_BLEND_PIXEL_NONE:
914 		return PLANE_COLOR_ALPHA_DISABLE;
915 	case DRM_MODE_BLEND_PREMULTI:
916 		return PLANE_COLOR_ALPHA_SW_PREMULTIPLY;
917 	case DRM_MODE_BLEND_COVERAGE:
918 		return PLANE_COLOR_ALPHA_HW_PREMULTIPLY;
919 	default:
920 		MISSING_CASE(plane_state->hw.pixel_blend_mode);
921 		return PLANE_COLOR_ALPHA_DISABLE;
922 	}
923 }
924 
925 static u32 skl_plane_ctl_tiling(u64 fb_modifier)
926 {
927 	switch (fb_modifier) {
928 	case DRM_FORMAT_MOD_LINEAR:
929 		break;
930 	case I915_FORMAT_MOD_X_TILED:
931 		return PLANE_CTL_TILED_X;
932 	case I915_FORMAT_MOD_Y_TILED:
933 		return PLANE_CTL_TILED_Y;
934 	case I915_FORMAT_MOD_4_TILED:
935 		return PLANE_CTL_TILED_4;
936 	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
937 		return PLANE_CTL_TILED_4 |
938 			PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
939 			PLANE_CTL_CLEAR_COLOR_DISABLE;
940 	case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
941 		return PLANE_CTL_TILED_4 |
942 			PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE |
943 			PLANE_CTL_CLEAR_COLOR_DISABLE;
944 	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC:
945 		return PLANE_CTL_TILED_4 | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
946 	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS:
947 		return PLANE_CTL_TILED_4 |
948 			PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
949 			PLANE_CTL_CLEAR_COLOR_DISABLE;
950 	case I915_FORMAT_MOD_4_TILED_MTL_RC_CCS_CC:
951 		return PLANE_CTL_TILED_4 | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
952 	case I915_FORMAT_MOD_4_TILED_MTL_MC_CCS:
953 		return PLANE_CTL_TILED_4 | PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE;
954 	case I915_FORMAT_MOD_4_TILED_BMG_CCS:
955 	case I915_FORMAT_MOD_4_TILED_LNL_CCS:
956 		return PLANE_CTL_TILED_4 | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
957 	case I915_FORMAT_MOD_Y_TILED_CCS:
958 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
959 		return PLANE_CTL_TILED_Y | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
960 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
961 		return PLANE_CTL_TILED_Y |
962 		       PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
963 		       PLANE_CTL_CLEAR_COLOR_DISABLE;
964 	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
965 		return PLANE_CTL_TILED_Y | PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE;
966 	case I915_FORMAT_MOD_Yf_TILED:
967 		return PLANE_CTL_TILED_YF;
968 	case I915_FORMAT_MOD_Yf_TILED_CCS:
969 		return PLANE_CTL_TILED_YF | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
970 	default:
971 		MISSING_CASE(fb_modifier);
972 	}
973 
974 	return 0;
975 }
976 
977 static u32 skl_plane_ctl_rotate(unsigned int rotate)
978 {
979 	switch (rotate) {
980 	case DRM_MODE_ROTATE_0:
981 		break;
982 	/*
983 	 * DRM_MODE_ROTATE_ is counter clockwise to stay compatible with Xrandr
984 	 * while i915 HW rotation is clockwise, thats why this swapping.
985 	 */
986 	case DRM_MODE_ROTATE_90:
987 		return PLANE_CTL_ROTATE_270;
988 	case DRM_MODE_ROTATE_180:
989 		return PLANE_CTL_ROTATE_180;
990 	case DRM_MODE_ROTATE_270:
991 		return PLANE_CTL_ROTATE_90;
992 	default:
993 		MISSING_CASE(rotate);
994 	}
995 
996 	return 0;
997 }
998 
999 static u32 icl_plane_ctl_flip(unsigned int reflect)
1000 {
1001 	switch (reflect) {
1002 	case 0:
1003 		break;
1004 	case DRM_MODE_REFLECT_X:
1005 		return PLANE_CTL_FLIP_HORIZONTAL;
1006 	case DRM_MODE_REFLECT_Y:
1007 	default:
1008 		MISSING_CASE(reflect);
1009 	}
1010 
1011 	return 0;
1012 }
1013 
1014 static u32 adlp_plane_ctl_arb_slots(const struct intel_plane_state *plane_state)
1015 {
1016 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1017 
1018 	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier)) {
1019 		switch (fb->format->cpp[0]) {
1020 		case 2:
1021 			return PLANE_CTL_ARB_SLOTS(1);
1022 		default:
1023 			return PLANE_CTL_ARB_SLOTS(0);
1024 		}
1025 	} else {
1026 		switch (fb->format->cpp[0]) {
1027 		case 8:
1028 			return PLANE_CTL_ARB_SLOTS(3);
1029 		case 4:
1030 			return PLANE_CTL_ARB_SLOTS(1);
1031 		default:
1032 			return PLANE_CTL_ARB_SLOTS(0);
1033 		}
1034 	}
1035 }
1036 
1037 static u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
1038 {
1039 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
1040 	u32 plane_ctl = 0;
1041 
1042 	if (DISPLAY_VER(dev_priv) >= 10)
1043 		return plane_ctl;
1044 
1045 	if (crtc_state->gamma_enable)
1046 		plane_ctl |= PLANE_CTL_PIPE_GAMMA_ENABLE;
1047 
1048 	if (crtc_state->csc_enable)
1049 		plane_ctl |= PLANE_CTL_PIPE_CSC_ENABLE;
1050 
1051 	return plane_ctl;
1052 }
1053 
1054 static u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
1055 			 const struct intel_plane_state *plane_state)
1056 {
1057 	struct drm_i915_private *dev_priv =
1058 		to_i915(plane_state->uapi.plane->dev);
1059 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1060 	unsigned int rotation = plane_state->hw.rotation;
1061 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1062 	u32 plane_ctl;
1063 
1064 	plane_ctl = PLANE_CTL_ENABLE;
1065 
1066 	if (DISPLAY_VER(dev_priv) < 10) {
1067 		plane_ctl |= skl_plane_ctl_alpha(plane_state);
1068 		plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE;
1069 
1070 		if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
1071 			plane_ctl |= PLANE_CTL_YUV_TO_RGB_CSC_FORMAT_BT709;
1072 
1073 		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
1074 			plane_ctl |= PLANE_CTL_YUV_RANGE_CORRECTION_DISABLE;
1075 	}
1076 
1077 	plane_ctl |= skl_plane_ctl_format(fb->format->format);
1078 	plane_ctl |= skl_plane_ctl_tiling(fb->modifier);
1079 	plane_ctl |= skl_plane_ctl_rotate(rotation & DRM_MODE_ROTATE_MASK);
1080 
1081 	if (DISPLAY_VER(dev_priv) >= 11)
1082 		plane_ctl |= icl_plane_ctl_flip(rotation &
1083 						DRM_MODE_REFLECT_MASK);
1084 
1085 	if (key->flags & I915_SET_COLORKEY_DESTINATION)
1086 		plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION;
1087 	else if (key->flags & I915_SET_COLORKEY_SOURCE)
1088 		plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE;
1089 
1090 	/* Wa_22012358565:adl-p */
1091 	if (DISPLAY_VER(dev_priv) == 13)
1092 		plane_ctl |= adlp_plane_ctl_arb_slots(plane_state);
1093 
1094 	return plane_ctl;
1095 }
1096 
1097 static u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state)
1098 {
1099 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
1100 	u32 plane_color_ctl = 0;
1101 
1102 	if (DISPLAY_VER(dev_priv) >= 11)
1103 		return plane_color_ctl;
1104 
1105 	if (crtc_state->gamma_enable)
1106 		plane_color_ctl |= PLANE_COLOR_PIPE_GAMMA_ENABLE;
1107 
1108 	if (crtc_state->csc_enable)
1109 		plane_color_ctl |= PLANE_COLOR_PIPE_CSC_ENABLE;
1110 
1111 	return plane_color_ctl;
1112 }
1113 
1114 static u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
1115 			       const struct intel_plane_state *plane_state)
1116 {
1117 	struct drm_i915_private *dev_priv =
1118 		to_i915(plane_state->uapi.plane->dev);
1119 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1120 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1121 	u32 plane_color_ctl = 0;
1122 
1123 	plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE;
1124 	plane_color_ctl |= glk_plane_color_ctl_alpha(plane_state);
1125 
1126 	if (fb->format->is_yuv && !icl_is_hdr_plane(dev_priv, plane->id)) {
1127 		switch (plane_state->hw.color_encoding) {
1128 		case DRM_COLOR_YCBCR_BT709:
1129 			plane_color_ctl |= PLANE_COLOR_CSC_MODE_YUV709_TO_RGB709;
1130 			break;
1131 		case DRM_COLOR_YCBCR_BT2020:
1132 			plane_color_ctl |=
1133 				PLANE_COLOR_CSC_MODE_YUV2020_TO_RGB2020;
1134 			break;
1135 		default:
1136 			plane_color_ctl |=
1137 				PLANE_COLOR_CSC_MODE_YUV601_TO_RGB601;
1138 		}
1139 		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
1140 			plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE;
1141 	} else if (fb->format->is_yuv) {
1142 		plane_color_ctl |= PLANE_COLOR_INPUT_CSC_ENABLE;
1143 		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
1144 			plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE;
1145 	}
1146 
1147 	if (plane_state->force_black)
1148 		plane_color_ctl |= PLANE_COLOR_PLANE_CSC_ENABLE;
1149 
1150 	return plane_color_ctl;
1151 }
1152 
1153 static u32 skl_surf_address(const struct intel_plane_state *plane_state,
1154 			    int color_plane)
1155 {
1156 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
1157 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1158 	u32 offset = plane_state->view.color_plane[color_plane].offset;
1159 
1160 	if (intel_fb_uses_dpt(fb)) {
1161 		/*
1162 		 * The DPT object contains only one vma, so the VMA's offset
1163 		 * within the DPT is always 0.
1164 		 */
1165 		drm_WARN_ON(&i915->drm, plane_state->dpt_vma &&
1166 			    intel_dpt_offset(plane_state->dpt_vma));
1167 		drm_WARN_ON(&i915->drm, offset & 0x1fffff);
1168 		return offset >> 9;
1169 	} else {
1170 		drm_WARN_ON(&i915->drm, offset & 0xfff);
1171 		return offset;
1172 	}
1173 }
1174 
1175 static u32 skl_plane_surf(const struct intel_plane_state *plane_state,
1176 			  int color_plane)
1177 {
1178 	u32 plane_surf;
1179 
1180 	plane_surf = intel_plane_ggtt_offset(plane_state) +
1181 		skl_surf_address(plane_state, color_plane);
1182 
1183 	if (plane_state->decrypt)
1184 		plane_surf |= PLANE_SURF_DECRYPT;
1185 
1186 	return plane_surf;
1187 }
1188 
1189 static u32 skl_plane_aux_dist(const struct intel_plane_state *plane_state,
1190 			      int color_plane)
1191 {
1192 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
1193 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1194 	int aux_plane = skl_main_to_aux_plane(fb, color_plane);
1195 	u32 aux_dist;
1196 
1197 	if (!aux_plane)
1198 		return 0;
1199 
1200 	aux_dist = skl_surf_address(plane_state, aux_plane) -
1201 		skl_surf_address(plane_state, color_plane);
1202 
1203 	if (DISPLAY_VER(i915) < 12)
1204 		aux_dist |= PLANE_AUX_STRIDE(skl_plane_stride(plane_state, aux_plane));
1205 
1206 	return aux_dist;
1207 }
1208 
1209 static u32 skl_plane_keyval(const struct intel_plane_state *plane_state)
1210 {
1211 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1212 
1213 	return key->min_value;
1214 }
1215 
1216 static u32 skl_plane_keymax(const struct intel_plane_state *plane_state)
1217 {
1218 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1219 	u8 alpha = plane_state->hw.alpha >> 8;
1220 
1221 	return (key->max_value & 0xffffff) | PLANE_KEYMAX_ALPHA(alpha);
1222 }
1223 
1224 static u32 skl_plane_keymsk(const struct intel_plane_state *plane_state)
1225 {
1226 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1227 	u8 alpha = plane_state->hw.alpha >> 8;
1228 	u32 keymsk;
1229 
1230 	keymsk = key->channel_mask & 0x7ffffff;
1231 	if (alpha < 0xff)
1232 		keymsk |= PLANE_KEYMSK_ALPHA_ENABLE;
1233 
1234 	return keymsk;
1235 }
1236 
1237 static void icl_plane_csc_load_black(struct intel_plane *plane)
1238 {
1239 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
1240 	enum plane_id plane_id = plane->id;
1241 	enum pipe pipe = plane->pipe;
1242 
1243 	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 0), 0);
1244 	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 1), 0);
1245 
1246 	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 2), 0);
1247 	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 3), 0);
1248 
1249 	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 4), 0);
1250 	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 5), 0);
1251 
1252 	intel_de_write_fw(i915, PLANE_CSC_PREOFF(pipe, plane_id, 0), 0);
1253 	intel_de_write_fw(i915, PLANE_CSC_PREOFF(pipe, plane_id, 1), 0);
1254 	intel_de_write_fw(i915, PLANE_CSC_PREOFF(pipe, plane_id, 2), 0);
1255 
1256 	intel_de_write_fw(i915, PLANE_CSC_POSTOFF(pipe, plane_id, 0), 0);
1257 	intel_de_write_fw(i915, PLANE_CSC_POSTOFF(pipe, plane_id, 1), 0);
1258 	intel_de_write_fw(i915, PLANE_CSC_POSTOFF(pipe, plane_id, 2), 0);
1259 }
1260 
1261 static int icl_plane_color_plane(const struct intel_plane_state *plane_state)
1262 {
1263 	/* Program the UV plane on planar master */
1264 	if (plane_state->planar_linked_plane && !plane_state->planar_slave)
1265 		return 1;
1266 	else
1267 		return 0;
1268 }
1269 
1270 static void
1271 skl_plane_update_noarm(struct intel_plane *plane,
1272 		       const struct intel_crtc_state *crtc_state,
1273 		       const struct intel_plane_state *plane_state)
1274 {
1275 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1276 	enum plane_id plane_id = plane->id;
1277 	enum pipe pipe = plane->pipe;
1278 	u32 stride = skl_plane_stride(plane_state, 0);
1279 	int crtc_x = plane_state->uapi.dst.x1;
1280 	int crtc_y = plane_state->uapi.dst.y1;
1281 	u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
1282 	u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
1283 
1284 	/* The scaler will handle the output position */
1285 	if (plane_state->scaler_id >= 0) {
1286 		crtc_x = 0;
1287 		crtc_y = 0;
1288 	}
1289 
1290 	intel_de_write_fw(dev_priv, PLANE_STRIDE(pipe, plane_id),
1291 			  PLANE_STRIDE_(stride));
1292 	intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id),
1293 			  PLANE_POS_Y(crtc_y) | PLANE_POS_X(crtc_x));
1294 	intel_de_write_fw(dev_priv, PLANE_SIZE(pipe, plane_id),
1295 			  PLANE_HEIGHT(src_h - 1) | PLANE_WIDTH(src_w - 1));
1296 
1297 	skl_write_plane_wm(plane, crtc_state);
1298 }
1299 
1300 static void
1301 skl_plane_update_arm(struct intel_plane *plane,
1302 		     const struct intel_crtc_state *crtc_state,
1303 		     const struct intel_plane_state *plane_state)
1304 {
1305 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1306 	enum plane_id plane_id = plane->id;
1307 	enum pipe pipe = plane->pipe;
1308 	u32 x = plane_state->view.color_plane[0].x;
1309 	u32 y = plane_state->view.color_plane[0].y;
1310 	u32 plane_ctl, plane_color_ctl = 0;
1311 
1312 	plane_ctl = plane_state->ctl |
1313 		skl_plane_ctl_crtc(crtc_state);
1314 
1315 	/* see intel_plane_atomic_calc_changes() */
1316 	if (plane->need_async_flip_toggle_wa &&
1317 	    crtc_state->async_flip_planes & BIT(plane->id))
1318 		plane_ctl |= PLANE_CTL_ASYNC_FLIP;
1319 
1320 	if (DISPLAY_VER(dev_priv) >= 10)
1321 		plane_color_ctl = plane_state->color_ctl |
1322 			glk_plane_color_ctl_crtc(crtc_state);
1323 
1324 	intel_de_write_fw(dev_priv, PLANE_KEYVAL(pipe, plane_id), skl_plane_keyval(plane_state));
1325 	intel_de_write_fw(dev_priv, PLANE_KEYMSK(pipe, plane_id), skl_plane_keymsk(plane_state));
1326 	intel_de_write_fw(dev_priv, PLANE_KEYMAX(pipe, plane_id), skl_plane_keymax(plane_state));
1327 
1328 	intel_de_write_fw(dev_priv, PLANE_OFFSET(pipe, plane_id),
1329 			  PLANE_OFFSET_Y(y) | PLANE_OFFSET_X(x));
1330 
1331 	intel_de_write_fw(dev_priv, PLANE_AUX_DIST(pipe, plane_id),
1332 			  skl_plane_aux_dist(plane_state, 0));
1333 
1334 	intel_de_write_fw(dev_priv, PLANE_AUX_OFFSET(pipe, plane_id),
1335 			  PLANE_OFFSET_Y(plane_state->view.color_plane[1].y) |
1336 			  PLANE_OFFSET_X(plane_state->view.color_plane[1].x));
1337 
1338 	if (DISPLAY_VER(dev_priv) >= 10)
1339 		intel_de_write_fw(dev_priv, PLANE_COLOR_CTL(pipe, plane_id), plane_color_ctl);
1340 
1341 	/*
1342 	 * Enable the scaler before the plane so that we don't
1343 	 * get a catastrophic underrun even if the two operations
1344 	 * end up happening in two different frames.
1345 	 *
1346 	 * TODO: split into noarm+arm pair
1347 	 */
1348 	if (plane_state->scaler_id >= 0)
1349 		skl_program_plane_scaler(plane, crtc_state, plane_state);
1350 
1351 	/*
1352 	 * The control register self-arms if the plane was previously
1353 	 * disabled. Try to make the plane enable atomic by writing
1354 	 * the control register just before the surface register.
1355 	 */
1356 	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
1357 	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
1358 			  skl_plane_surf(plane_state, 0));
1359 }
1360 
1361 static void icl_plane_update_sel_fetch_noarm(struct intel_plane *plane,
1362 					     const struct intel_crtc_state *crtc_state,
1363 					     const struct intel_plane_state *plane_state,
1364 					     int color_plane)
1365 {
1366 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
1367 	enum pipe pipe = plane->pipe;
1368 	const struct drm_rect *clip;
1369 	u32 val;
1370 	int x, y;
1371 
1372 	if (!crtc_state->enable_psr2_sel_fetch)
1373 		return;
1374 
1375 	clip = &plane_state->psr2_sel_fetch_area;
1376 
1377 	if (crtc_state->enable_psr2_su_region_et)
1378 		y = max(0, plane_state->uapi.dst.y1 - crtc_state->psr2_su_area.y1);
1379 	else
1380 		y = (clip->y1 + plane_state->uapi.dst.y1);
1381 	val = y << 16;
1382 	val |= plane_state->uapi.dst.x1;
1383 	intel_de_write_fw(i915, SEL_FETCH_PLANE_POS(pipe, plane->id), val);
1384 
1385 	x = plane_state->view.color_plane[color_plane].x;
1386 
1387 	/*
1388 	 * From Bspec: UV surface Start Y Position = half of Y plane Y
1389 	 * start position.
1390 	 */
1391 	if (!color_plane)
1392 		y = plane_state->view.color_plane[color_plane].y + clip->y1;
1393 	else
1394 		y = plane_state->view.color_plane[color_plane].y + clip->y1 / 2;
1395 
1396 	val = y << 16 | x;
1397 
1398 	intel_de_write_fw(i915, SEL_FETCH_PLANE_OFFSET(pipe, plane->id),
1399 			  val);
1400 
1401 	/* Sizes are 0 based */
1402 	val = (drm_rect_height(clip) - 1) << 16;
1403 	val |= (drm_rect_width(&plane_state->uapi.src) >> 16) - 1;
1404 	intel_de_write_fw(i915, SEL_FETCH_PLANE_SIZE(pipe, plane->id), val);
1405 }
1406 
1407 static void
1408 icl_plane_update_noarm(struct intel_plane *plane,
1409 		       const struct intel_crtc_state *crtc_state,
1410 		       const struct intel_plane_state *plane_state)
1411 {
1412 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1413 	enum plane_id plane_id = plane->id;
1414 	enum pipe pipe = plane->pipe;
1415 	int color_plane = icl_plane_color_plane(plane_state);
1416 	u32 stride = skl_plane_stride(plane_state, color_plane);
1417 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1418 	int crtc_x = plane_state->uapi.dst.x1;
1419 	int crtc_y = plane_state->uapi.dst.y1;
1420 	int x = plane_state->view.color_plane[color_plane].x;
1421 	int y = plane_state->view.color_plane[color_plane].y;
1422 	int src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
1423 	int src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
1424 	u32 plane_color_ctl;
1425 
1426 	plane_color_ctl = plane_state->color_ctl |
1427 		glk_plane_color_ctl_crtc(crtc_state);
1428 
1429 	/* The scaler will handle the output position */
1430 	if (plane_state->scaler_id >= 0) {
1431 		crtc_x = 0;
1432 		crtc_y = 0;
1433 	}
1434 
1435 	intel_de_write_fw(dev_priv, PLANE_STRIDE(pipe, plane_id),
1436 			  PLANE_STRIDE_(stride));
1437 	intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id),
1438 			  PLANE_POS_Y(crtc_y) | PLANE_POS_X(crtc_x));
1439 	intel_de_write_fw(dev_priv, PLANE_SIZE(pipe, plane_id),
1440 			  PLANE_HEIGHT(src_h - 1) | PLANE_WIDTH(src_w - 1));
1441 
1442 	intel_de_write_fw(dev_priv, PLANE_KEYVAL(pipe, plane_id), skl_plane_keyval(plane_state));
1443 	intel_de_write_fw(dev_priv, PLANE_KEYMSK(pipe, plane_id), skl_plane_keymsk(plane_state));
1444 	intel_de_write_fw(dev_priv, PLANE_KEYMAX(pipe, plane_id), skl_plane_keymax(plane_state));
1445 
1446 	intel_de_write_fw(dev_priv, PLANE_OFFSET(pipe, plane_id),
1447 			  PLANE_OFFSET_Y(y) | PLANE_OFFSET_X(x));
1448 
1449 	if (intel_fb_is_rc_ccs_cc_modifier(fb->modifier)) {
1450 		intel_de_write_fw(dev_priv, PLANE_CC_VAL(pipe, plane_id, 0),
1451 				  lower_32_bits(plane_state->ccval));
1452 		intel_de_write_fw(dev_priv, PLANE_CC_VAL(pipe, plane_id, 1),
1453 				  upper_32_bits(plane_state->ccval));
1454 	}
1455 
1456 	/* FLAT CCS doesn't need to program AUX_DIST */
1457 	if (!HAS_FLAT_CCS(dev_priv) && DISPLAY_VER(dev_priv) < 20)
1458 		intel_de_write_fw(dev_priv, PLANE_AUX_DIST(pipe, plane_id),
1459 				  skl_plane_aux_dist(plane_state, color_plane));
1460 
1461 	if (icl_is_hdr_plane(dev_priv, plane_id))
1462 		intel_de_write_fw(dev_priv, PLANE_CUS_CTL(pipe, plane_id),
1463 				  plane_state->cus_ctl);
1464 
1465 	intel_de_write_fw(dev_priv, PLANE_COLOR_CTL(pipe, plane_id), plane_color_ctl);
1466 
1467 	if (fb->format->is_yuv && icl_is_hdr_plane(dev_priv, plane_id))
1468 		icl_program_input_csc(plane, crtc_state, plane_state);
1469 
1470 	skl_write_plane_wm(plane, crtc_state);
1471 
1472 	/*
1473 	 * FIXME: pxp session invalidation can hit any time even at time of commit
1474 	 * or after the commit, display content will be garbage.
1475 	 */
1476 	if (plane_state->force_black)
1477 		icl_plane_csc_load_black(plane);
1478 
1479 	icl_plane_update_sel_fetch_noarm(plane, crtc_state, plane_state, color_plane);
1480 }
1481 
1482 static void icl_plane_update_sel_fetch_arm(struct intel_plane *plane,
1483 					   const struct intel_crtc_state *crtc_state,
1484 					   const struct intel_plane_state *plane_state)
1485 {
1486 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
1487 	enum pipe pipe = plane->pipe;
1488 
1489 	if (!crtc_state->enable_psr2_sel_fetch)
1490 		return;
1491 
1492 	if (drm_rect_height(&plane_state->psr2_sel_fetch_area) > 0)
1493 		intel_de_write_fw(i915, SEL_FETCH_PLANE_CTL(pipe, plane->id),
1494 				  SEL_FETCH_PLANE_CTL_ENABLE);
1495 	else
1496 		icl_plane_disable_sel_fetch_arm(plane, crtc_state);
1497 }
1498 
1499 static void
1500 icl_plane_update_arm(struct intel_plane *plane,
1501 		     const struct intel_crtc_state *crtc_state,
1502 		     const struct intel_plane_state *plane_state)
1503 {
1504 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1505 	enum plane_id plane_id = plane->id;
1506 	enum pipe pipe = plane->pipe;
1507 	int color_plane = icl_plane_color_plane(plane_state);
1508 	u32 plane_ctl;
1509 
1510 	plane_ctl = plane_state->ctl |
1511 		skl_plane_ctl_crtc(crtc_state);
1512 
1513 	/*
1514 	 * Enable the scaler before the plane so that we don't
1515 	 * get a catastrophic underrun even if the two operations
1516 	 * end up happening in two different frames.
1517 	 *
1518 	 * TODO: split into noarm+arm pair
1519 	 */
1520 	if (plane_state->scaler_id >= 0)
1521 		skl_program_plane_scaler(plane, crtc_state, plane_state);
1522 
1523 	icl_plane_update_sel_fetch_arm(plane, crtc_state, plane_state);
1524 
1525 	/*
1526 	 * The control register self-arms if the plane was previously
1527 	 * disabled. Try to make the plane enable atomic by writing
1528 	 * the control register just before the surface register.
1529 	 */
1530 	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
1531 	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
1532 			  skl_plane_surf(plane_state, color_plane));
1533 }
1534 
1535 static void
1536 skl_plane_async_flip(struct intel_plane *plane,
1537 		     const struct intel_crtc_state *crtc_state,
1538 		     const struct intel_plane_state *plane_state,
1539 		     bool async_flip)
1540 {
1541 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1542 	enum plane_id plane_id = plane->id;
1543 	enum pipe pipe = plane->pipe;
1544 	u32 plane_ctl = plane_state->ctl;
1545 
1546 	plane_ctl |= skl_plane_ctl_crtc(crtc_state);
1547 
1548 	if (async_flip)
1549 		plane_ctl |= PLANE_CTL_ASYNC_FLIP;
1550 
1551 	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
1552 	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
1553 			  skl_plane_surf(plane_state, 0));
1554 }
1555 
1556 static bool intel_format_is_p01x(u32 format)
1557 {
1558 	switch (format) {
1559 	case DRM_FORMAT_P010:
1560 	case DRM_FORMAT_P012:
1561 	case DRM_FORMAT_P016:
1562 		return true;
1563 	default:
1564 		return false;
1565 	}
1566 }
1567 
1568 static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
1569 			      const struct intel_plane_state *plane_state)
1570 {
1571 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1572 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1573 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1574 	unsigned int rotation = plane_state->hw.rotation;
1575 
1576 	if (!fb)
1577 		return 0;
1578 
1579 	if (rotation & ~(DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180) &&
1580 	    intel_fb_is_ccs_modifier(fb->modifier)) {
1581 		drm_dbg_kms(&dev_priv->drm,
1582 			    "RC support only with 0/180 degree rotation (%x)\n",
1583 			    rotation);
1584 		return -EINVAL;
1585 	}
1586 
1587 	if (rotation & DRM_MODE_REFLECT_X &&
1588 	    fb->modifier == DRM_FORMAT_MOD_LINEAR) {
1589 		drm_dbg_kms(&dev_priv->drm,
1590 			    "horizontal flip is not supported with linear surface formats\n");
1591 		return -EINVAL;
1592 	}
1593 
1594 	if (drm_rotation_90_or_270(rotation)) {
1595 		if (!intel_fb_supports_90_270_rotation(to_intel_framebuffer(fb))) {
1596 			drm_dbg_kms(&dev_priv->drm,
1597 				    "Y/Yf tiling required for 90/270!\n");
1598 			return -EINVAL;
1599 		}
1600 
1601 		/*
1602 		 * 90/270 is not allowed with RGB64 16:16:16:16 and
1603 		 * Indexed 8-bit. RGB 16-bit 5:6:5 is allowed gen11 onwards.
1604 		 */
1605 		switch (fb->format->format) {
1606 		case DRM_FORMAT_RGB565:
1607 			if (DISPLAY_VER(dev_priv) >= 11)
1608 				break;
1609 			fallthrough;
1610 		case DRM_FORMAT_C8:
1611 		case DRM_FORMAT_XRGB16161616F:
1612 		case DRM_FORMAT_XBGR16161616F:
1613 		case DRM_FORMAT_ARGB16161616F:
1614 		case DRM_FORMAT_ABGR16161616F:
1615 		case DRM_FORMAT_Y210:
1616 		case DRM_FORMAT_Y212:
1617 		case DRM_FORMAT_Y216:
1618 		case DRM_FORMAT_XVYU12_16161616:
1619 		case DRM_FORMAT_XVYU16161616:
1620 			drm_dbg_kms(&dev_priv->drm,
1621 				    "Unsupported pixel format %p4cc for 90/270!\n",
1622 				    &fb->format->format);
1623 			return -EINVAL;
1624 		default:
1625 			break;
1626 		}
1627 	}
1628 
1629 	/* Y-tiling is not supported in IF-ID Interlace mode */
1630 	if (crtc_state->hw.enable &&
1631 	    crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE &&
1632 	    fb->modifier != DRM_FORMAT_MOD_LINEAR &&
1633 	    fb->modifier != I915_FORMAT_MOD_X_TILED) {
1634 		drm_dbg_kms(&dev_priv->drm,
1635 			    "Y/Yf tiling not supported in IF-ID mode\n");
1636 		return -EINVAL;
1637 	}
1638 
1639 	/* Wa_1606054188:tgl,adl-s */
1640 	if ((IS_ALDERLAKE_S(dev_priv) || IS_TIGERLAKE(dev_priv)) &&
1641 	    plane_state->ckey.flags & I915_SET_COLORKEY_SOURCE &&
1642 	    intel_format_is_p01x(fb->format->format)) {
1643 		drm_dbg_kms(&dev_priv->drm,
1644 			    "Source color keying not supported with P01x formats\n");
1645 		return -EINVAL;
1646 	}
1647 
1648 	return 0;
1649 }
1650 
1651 static int skl_plane_check_dst_coordinates(const struct intel_crtc_state *crtc_state,
1652 					   const struct intel_plane_state *plane_state)
1653 {
1654 	struct drm_i915_private *dev_priv =
1655 		to_i915(plane_state->uapi.plane->dev);
1656 	int crtc_x = plane_state->uapi.dst.x1;
1657 	int crtc_w = drm_rect_width(&plane_state->uapi.dst);
1658 	int pipe_src_w = drm_rect_width(&crtc_state->pipe_src);
1659 
1660 	/*
1661 	 * Display WA #1175: glk
1662 	 * Planes other than the cursor may cause FIFO underflow and display
1663 	 * corruption if starting less than 4 pixels from the right edge of
1664 	 * the screen.
1665 	 * Besides the above WA fix the similar problem, where planes other
1666 	 * than the cursor ending less than 4 pixels from the left edge of the
1667 	 * screen may cause FIFO underflow and display corruption.
1668 	 */
1669 	if (DISPLAY_VER(dev_priv) == 10 &&
1670 	    (crtc_x + crtc_w < 4 || crtc_x > pipe_src_w - 4)) {
1671 		drm_dbg_kms(&dev_priv->drm,
1672 			    "requested plane X %s position %d invalid (valid range %d-%d)\n",
1673 			    crtc_x + crtc_w < 4 ? "end" : "start",
1674 			    crtc_x + crtc_w < 4 ? crtc_x + crtc_w : crtc_x,
1675 			    4, pipe_src_w - 4);
1676 		return -ERANGE;
1677 	}
1678 
1679 	return 0;
1680 }
1681 
1682 static int skl_plane_check_nv12_rotation(const struct intel_plane_state *plane_state)
1683 {
1684 	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
1685 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1686 	unsigned int rotation = plane_state->hw.rotation;
1687 	int src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
1688 
1689 	/* Display WA #1106 */
1690 	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
1691 	    src_w & 3 &&
1692 	    (rotation == DRM_MODE_ROTATE_270 ||
1693 	     rotation == (DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90))) {
1694 		drm_dbg_kms(&i915->drm, "src width must be multiple of 4 for rotated planar YUV\n");
1695 		return -EINVAL;
1696 	}
1697 
1698 	return 0;
1699 }
1700 
1701 static int skl_plane_max_scale(struct drm_i915_private *dev_priv,
1702 			       const struct drm_framebuffer *fb)
1703 {
1704 	/*
1705 	 * We don't yet know the final source width nor
1706 	 * whether we can use the HQ scaler mode. Assume
1707 	 * the best case.
1708 	 * FIXME need to properly check this later.
1709 	 */
1710 	if (DISPLAY_VER(dev_priv) >= 10 ||
1711 	    !intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
1712 		return 0x30000 - 1;
1713 	else
1714 		return 0x20000 - 1;
1715 }
1716 
1717 static int intel_plane_min_width(struct intel_plane *plane,
1718 				 const struct drm_framebuffer *fb,
1719 				 int color_plane,
1720 				 unsigned int rotation)
1721 {
1722 	if (plane->min_width)
1723 		return plane->min_width(fb, color_plane, rotation);
1724 	else
1725 		return 1;
1726 }
1727 
1728 static int intel_plane_max_width(struct intel_plane *plane,
1729 				 const struct drm_framebuffer *fb,
1730 				 int color_plane,
1731 				 unsigned int rotation)
1732 {
1733 	if (plane->max_width)
1734 		return plane->max_width(fb, color_plane, rotation);
1735 	else
1736 		return INT_MAX;
1737 }
1738 
1739 static int intel_plane_max_height(struct intel_plane *plane,
1740 				  const struct drm_framebuffer *fb,
1741 				  int color_plane,
1742 				  unsigned int rotation)
1743 {
1744 	if (plane->max_height)
1745 		return plane->max_height(fb, color_plane, rotation);
1746 	else
1747 		return INT_MAX;
1748 }
1749 
1750 static bool
1751 skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state,
1752 			       int main_x, int main_y, u32 main_offset,
1753 			       int ccs_plane)
1754 {
1755 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1756 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1757 	int aux_x = plane_state->view.color_plane[ccs_plane].x;
1758 	int aux_y = plane_state->view.color_plane[ccs_plane].y;
1759 	u32 aux_offset = plane_state->view.color_plane[ccs_plane].offset;
1760 	unsigned int alignment = plane->min_alignment(plane, fb, ccs_plane);
1761 	int hsub;
1762 	int vsub;
1763 
1764 	intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane);
1765 	while (aux_offset >= main_offset && aux_y <= main_y) {
1766 		int x, y;
1767 
1768 		if (aux_x == main_x && aux_y == main_y)
1769 			break;
1770 
1771 		if (aux_offset == 0)
1772 			break;
1773 
1774 		x = aux_x / hsub;
1775 		y = aux_y / vsub;
1776 		aux_offset = intel_plane_adjust_aligned_offset(&x, &y,
1777 							       plane_state,
1778 							       ccs_plane,
1779 							       aux_offset,
1780 							       aux_offset - alignment);
1781 		aux_x = x * hsub + aux_x % hsub;
1782 		aux_y = y * vsub + aux_y % vsub;
1783 	}
1784 
1785 	if (aux_x != main_x || aux_y != main_y)
1786 		return false;
1787 
1788 	plane_state->view.color_plane[ccs_plane].offset = aux_offset;
1789 	plane_state->view.color_plane[ccs_plane].x = aux_x;
1790 	plane_state->view.color_plane[ccs_plane].y = aux_y;
1791 
1792 	return true;
1793 }
1794 
1795 
1796 int skl_calc_main_surface_offset(const struct intel_plane_state *plane_state,
1797 				 int *x, int *y, u32 *offset)
1798 {
1799 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1800 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1801 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1802 	int aux_plane = skl_main_to_aux_plane(fb, 0);
1803 	u32 aux_offset = plane_state->view.color_plane[aux_plane].offset;
1804 	unsigned int alignment = plane->min_alignment(plane, fb, 0);
1805 	int w = drm_rect_width(&plane_state->uapi.src) >> 16;
1806 
1807 	intel_add_fb_offsets(x, y, plane_state, 0);
1808 	*offset = intel_plane_compute_aligned_offset(x, y, plane_state, 0);
1809 	if (drm_WARN_ON(&dev_priv->drm, alignment && !is_power_of_2(alignment)))
1810 		return -EINVAL;
1811 
1812 	/*
1813 	 * AUX surface offset is specified as the distance from the
1814 	 * main surface offset, and it must be non-negative. Make
1815 	 * sure that is what we will get.
1816 	 */
1817 	if (aux_plane && *offset > aux_offset)
1818 		*offset = intel_plane_adjust_aligned_offset(x, y, plane_state, 0,
1819 							    *offset,
1820 							    aux_offset & ~(alignment - 1));
1821 
1822 	/*
1823 	 * When using an X-tiled surface, the plane blows up
1824 	 * if the x offset + width exceed the stride.
1825 	 *
1826 	 * TODO: linear and Y-tiled seem fine, Yf untested,
1827 	 */
1828 	if (fb->modifier == I915_FORMAT_MOD_X_TILED) {
1829 		int cpp = fb->format->cpp[0];
1830 
1831 		while ((*x + w) * cpp > plane_state->view.color_plane[0].mapping_stride) {
1832 			if (*offset == 0) {
1833 				drm_dbg_kms(&dev_priv->drm,
1834 					    "Unable to find suitable display surface offset due to X-tiling\n");
1835 				return -EINVAL;
1836 			}
1837 
1838 			*offset = intel_plane_adjust_aligned_offset(x, y, plane_state, 0,
1839 								    *offset,
1840 								    *offset - alignment);
1841 		}
1842 	}
1843 
1844 	return 0;
1845 }
1846 
1847 static int skl_check_main_surface(struct intel_plane_state *plane_state)
1848 {
1849 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1850 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1851 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1852 	unsigned int rotation = plane_state->hw.rotation;
1853 	int x = plane_state->uapi.src.x1 >> 16;
1854 	int y = plane_state->uapi.src.y1 >> 16;
1855 	int w = drm_rect_width(&plane_state->uapi.src) >> 16;
1856 	int h = drm_rect_height(&plane_state->uapi.src) >> 16;
1857 	int min_width = intel_plane_min_width(plane, fb, 0, rotation);
1858 	int max_width = intel_plane_max_width(plane, fb, 0, rotation);
1859 	int max_height = intel_plane_max_height(plane, fb, 0, rotation);
1860 	unsigned int alignment = plane->min_alignment(plane, fb, 0);
1861 	int aux_plane = skl_main_to_aux_plane(fb, 0);
1862 	u32 offset;
1863 	int ret;
1864 
1865 	if (w > max_width || w < min_width || h > max_height || h < 1) {
1866 		drm_dbg_kms(&dev_priv->drm,
1867 			    "requested Y/RGB source size %dx%d outside limits (min: %dx1 max: %dx%d)\n",
1868 			    w, h, min_width, max_width, max_height);
1869 		return -EINVAL;
1870 	}
1871 
1872 	ret = skl_calc_main_surface_offset(plane_state, &x, &y, &offset);
1873 	if (ret)
1874 		return ret;
1875 
1876 	/*
1877 	 * CCS AUX surface doesn't have its own x/y offsets, we must make sure
1878 	 * they match with the main surface x/y offsets. On DG2
1879 	 * there's no aux plane on fb so skip this checking.
1880 	 */
1881 	if (intel_fb_is_ccs_modifier(fb->modifier) && aux_plane) {
1882 		while (!skl_check_main_ccs_coordinates(plane_state, x, y,
1883 						       offset, aux_plane)) {
1884 			if (offset == 0)
1885 				break;
1886 
1887 			offset = intel_plane_adjust_aligned_offset(&x, &y, plane_state, 0,
1888 								   offset, offset - alignment);
1889 		}
1890 
1891 		if (x != plane_state->view.color_plane[aux_plane].x ||
1892 		    y != plane_state->view.color_plane[aux_plane].y) {
1893 			drm_dbg_kms(&dev_priv->drm,
1894 				    "Unable to find suitable display surface offset due to CCS\n");
1895 			return -EINVAL;
1896 		}
1897 	}
1898 
1899 	if (DISPLAY_VER(dev_priv) >= 13)
1900 		drm_WARN_ON(&dev_priv->drm, x > 65535 || y > 65535);
1901 	else
1902 		drm_WARN_ON(&dev_priv->drm, x > 8191 || y > 8191);
1903 
1904 	plane_state->view.color_plane[0].offset = offset;
1905 	plane_state->view.color_plane[0].x = x;
1906 	plane_state->view.color_plane[0].y = y;
1907 
1908 	/*
1909 	 * Put the final coordinates back so that the src
1910 	 * coordinate checks will see the right values.
1911 	 */
1912 	drm_rect_translate_to(&plane_state->uapi.src,
1913 			      x << 16, y << 16);
1914 
1915 	return 0;
1916 }
1917 
1918 static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
1919 {
1920 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1921 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
1922 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1923 	unsigned int rotation = plane_state->hw.rotation;
1924 	int uv_plane = 1;
1925 	int ccs_plane = intel_fb_is_ccs_modifier(fb->modifier) ?
1926 			skl_main_to_aux_plane(fb, uv_plane) : 0;
1927 	int max_width = intel_plane_max_width(plane, fb, uv_plane, rotation);
1928 	int max_height = intel_plane_max_height(plane, fb, uv_plane, rotation);
1929 	int x = plane_state->uapi.src.x1 >> 17;
1930 	int y = plane_state->uapi.src.y1 >> 17;
1931 	int w = drm_rect_width(&plane_state->uapi.src) >> 17;
1932 	int h = drm_rect_height(&plane_state->uapi.src) >> 17;
1933 	u32 offset;
1934 
1935 	/* FIXME not quite sure how/if these apply to the chroma plane */
1936 	if (w > max_width || h > max_height) {
1937 		drm_dbg_kms(&i915->drm,
1938 			    "CbCr source size %dx%d too big (limit %dx%d)\n",
1939 			    w, h, max_width, max_height);
1940 		return -EINVAL;
1941 	}
1942 
1943 	intel_add_fb_offsets(&x, &y, plane_state, uv_plane);
1944 	offset = intel_plane_compute_aligned_offset(&x, &y,
1945 						    plane_state, uv_plane);
1946 
1947 	if (ccs_plane) {
1948 		u32 aux_offset = plane_state->view.color_plane[ccs_plane].offset;
1949 		unsigned int alignment = plane->min_alignment(plane, fb, uv_plane);
1950 
1951 		if (offset > aux_offset)
1952 			offset = intel_plane_adjust_aligned_offset(&x, &y,
1953 								   plane_state,
1954 								   uv_plane,
1955 								   offset,
1956 								   aux_offset & ~(alignment - 1));
1957 
1958 		while (!skl_check_main_ccs_coordinates(plane_state, x, y,
1959 						       offset, ccs_plane)) {
1960 			if (offset == 0)
1961 				break;
1962 
1963 			offset = intel_plane_adjust_aligned_offset(&x, &y,
1964 								   plane_state,
1965 								   uv_plane,
1966 								   offset, offset - alignment);
1967 		}
1968 
1969 		if (x != plane_state->view.color_plane[ccs_plane].x ||
1970 		    y != plane_state->view.color_plane[ccs_plane].y) {
1971 			drm_dbg_kms(&i915->drm,
1972 				    "Unable to find suitable display surface offset due to CCS\n");
1973 			return -EINVAL;
1974 		}
1975 	}
1976 
1977 	if (DISPLAY_VER(i915) >= 13)
1978 		drm_WARN_ON(&i915->drm, x > 65535 || y > 65535);
1979 	else
1980 		drm_WARN_ON(&i915->drm, x > 8191 || y > 8191);
1981 
1982 	plane_state->view.color_plane[uv_plane].offset = offset;
1983 	plane_state->view.color_plane[uv_plane].x = x;
1984 	plane_state->view.color_plane[uv_plane].y = y;
1985 
1986 	return 0;
1987 }
1988 
1989 static int skl_check_ccs_aux_surface(struct intel_plane_state *plane_state)
1990 {
1991 	const struct drm_framebuffer *fb = plane_state->hw.fb;
1992 	int src_x = plane_state->uapi.src.x1 >> 16;
1993 	int src_y = plane_state->uapi.src.y1 >> 16;
1994 	u32 offset;
1995 	int ccs_plane;
1996 
1997 	for (ccs_plane = 0; ccs_plane < fb->format->num_planes; ccs_plane++) {
1998 		int main_hsub, main_vsub;
1999 		int hsub, vsub;
2000 		int x, y;
2001 
2002 		if (!intel_fb_is_ccs_aux_plane(fb, ccs_plane))
2003 			continue;
2004 
2005 		intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, fb,
2006 					       skl_ccs_to_main_plane(fb, ccs_plane));
2007 		intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane);
2008 
2009 		hsub *= main_hsub;
2010 		vsub *= main_vsub;
2011 		x = src_x / hsub;
2012 		y = src_y / vsub;
2013 
2014 		intel_add_fb_offsets(&x, &y, plane_state, ccs_plane);
2015 
2016 		offset = intel_plane_compute_aligned_offset(&x, &y,
2017 							    plane_state,
2018 							    ccs_plane);
2019 
2020 		plane_state->view.color_plane[ccs_plane].offset = offset;
2021 		plane_state->view.color_plane[ccs_plane].x = (x * hsub + src_x % hsub) / main_hsub;
2022 		plane_state->view.color_plane[ccs_plane].y = (y * vsub + src_y % vsub) / main_vsub;
2023 	}
2024 
2025 	return 0;
2026 }
2027 
2028 static int skl_check_plane_surface(struct intel_plane_state *plane_state)
2029 {
2030 	const struct drm_framebuffer *fb = plane_state->hw.fb;
2031 	int ret;
2032 
2033 	ret = intel_plane_compute_gtt(plane_state);
2034 	if (ret)
2035 		return ret;
2036 
2037 	if (!plane_state->uapi.visible)
2038 		return 0;
2039 
2040 	/*
2041 	 * Handle the AUX surface first since the main surface setup depends on
2042 	 * it.
2043 	 */
2044 	if (intel_fb_is_ccs_modifier(fb->modifier)) {
2045 		ret = skl_check_ccs_aux_surface(plane_state);
2046 		if (ret)
2047 			return ret;
2048 	}
2049 
2050 	if (intel_format_info_is_yuv_semiplanar(fb->format,
2051 						fb->modifier)) {
2052 		ret = skl_check_nv12_aux_surface(plane_state);
2053 		if (ret)
2054 			return ret;
2055 	}
2056 
2057 	ret = skl_check_main_surface(plane_state);
2058 	if (ret)
2059 		return ret;
2060 
2061 	return 0;
2062 }
2063 
2064 static bool skl_fb_scalable(const struct drm_framebuffer *fb)
2065 {
2066 	if (!fb)
2067 		return false;
2068 
2069 	switch (fb->format->format) {
2070 	case DRM_FORMAT_C8:
2071 		return false;
2072 	case DRM_FORMAT_XRGB16161616F:
2073 	case DRM_FORMAT_ARGB16161616F:
2074 	case DRM_FORMAT_XBGR16161616F:
2075 	case DRM_FORMAT_ABGR16161616F:
2076 		return DISPLAY_VER(to_i915(fb->dev)) >= 11;
2077 	default:
2078 		return true;
2079 	}
2080 }
2081 
2082 static void check_protection(struct intel_plane_state *plane_state)
2083 {
2084 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
2085 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
2086 	const struct drm_framebuffer *fb = plane_state->hw.fb;
2087 	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
2088 
2089 	if (DISPLAY_VER(i915) < 11)
2090 		return;
2091 
2092 	plane_state->decrypt = intel_pxp_key_check(i915->pxp, obj, false) == 0;
2093 	plane_state->force_black = i915_gem_object_is_protected(obj) &&
2094 		!plane_state->decrypt;
2095 }
2096 
2097 static int skl_plane_check(struct intel_crtc_state *crtc_state,
2098 			   struct intel_plane_state *plane_state)
2099 {
2100 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
2101 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
2102 	const struct drm_framebuffer *fb = plane_state->hw.fb;
2103 	int min_scale = DRM_PLANE_NO_SCALING;
2104 	int max_scale = DRM_PLANE_NO_SCALING;
2105 	int ret;
2106 
2107 	ret = skl_plane_check_fb(crtc_state, plane_state);
2108 	if (ret)
2109 		return ret;
2110 
2111 	/* use scaler when colorkey is not required */
2112 	if (!plane_state->ckey.flags && skl_fb_scalable(fb)) {
2113 		min_scale = 1;
2114 		max_scale = skl_plane_max_scale(dev_priv, fb);
2115 	}
2116 
2117 	ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
2118 						min_scale, max_scale, true);
2119 	if (ret)
2120 		return ret;
2121 
2122 	ret = skl_check_plane_surface(plane_state);
2123 	if (ret)
2124 		return ret;
2125 
2126 	if (!plane_state->uapi.visible)
2127 		return 0;
2128 
2129 	ret = skl_plane_check_dst_coordinates(crtc_state, plane_state);
2130 	if (ret)
2131 		return ret;
2132 
2133 	ret = intel_plane_check_src_coordinates(plane_state);
2134 	if (ret)
2135 		return ret;
2136 
2137 	ret = skl_plane_check_nv12_rotation(plane_state);
2138 	if (ret)
2139 		return ret;
2140 
2141 	check_protection(plane_state);
2142 
2143 	/* HW only has 8 bits pixel precision, disable plane if invisible */
2144 	if (!(plane_state->hw.alpha >> 8))
2145 		plane_state->uapi.visible = false;
2146 
2147 	plane_state->ctl = skl_plane_ctl(crtc_state, plane_state);
2148 
2149 	if (DISPLAY_VER(dev_priv) >= 10)
2150 		plane_state->color_ctl = glk_plane_color_ctl(crtc_state,
2151 							     plane_state);
2152 
2153 	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
2154 	    icl_is_hdr_plane(dev_priv, plane->id))
2155 		/* Enable and use MPEG-2 chroma siting */
2156 		plane_state->cus_ctl = PLANE_CUS_ENABLE |
2157 			PLANE_CUS_HPHASE_0 |
2158 			PLANE_CUS_VPHASE_SIGN_NEGATIVE | PLANE_CUS_VPHASE_0_25;
2159 	else
2160 		plane_state->cus_ctl = 0;
2161 
2162 	return 0;
2163 }
2164 
2165 static enum intel_fbc_id skl_fbc_id_for_pipe(enum pipe pipe)
2166 {
2167 	return pipe - PIPE_A + INTEL_FBC_A;
2168 }
2169 
2170 static bool skl_plane_has_fbc(struct drm_i915_private *i915,
2171 			      enum intel_fbc_id fbc_id, enum plane_id plane_id)
2172 {
2173 	if ((DISPLAY_RUNTIME_INFO(i915)->fbc_mask & BIT(fbc_id)) == 0)
2174 		return false;
2175 
2176 	if (DISPLAY_VER(i915) >= 20)
2177 		return icl_is_hdr_plane(i915, plane_id);
2178 	else
2179 		return plane_id == PLANE_1;
2180 }
2181 
2182 static struct intel_fbc *skl_plane_fbc(struct drm_i915_private *dev_priv,
2183 				       enum pipe pipe, enum plane_id plane_id)
2184 {
2185 	enum intel_fbc_id fbc_id = skl_fbc_id_for_pipe(pipe);
2186 
2187 	if (skl_plane_has_fbc(dev_priv, fbc_id, plane_id))
2188 		return dev_priv->display.fbc[fbc_id];
2189 	else
2190 		return NULL;
2191 }
2192 
2193 static bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
2194 				 enum pipe pipe, enum plane_id plane_id)
2195 {
2196 	/* Display WA #0870: skl, bxt */
2197 	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
2198 		return false;
2199 
2200 	if (DISPLAY_VER(dev_priv) == 9 && pipe == PIPE_C)
2201 		return false;
2202 
2203 	if (plane_id != PLANE_1 && plane_id != PLANE_2)
2204 		return false;
2205 
2206 	return true;
2207 }
2208 
2209 static const u32 *skl_get_plane_formats(struct drm_i915_private *dev_priv,
2210 					enum pipe pipe, enum plane_id plane_id,
2211 					int *num_formats)
2212 {
2213 	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
2214 		*num_formats = ARRAY_SIZE(skl_planar_formats);
2215 		return skl_planar_formats;
2216 	} else {
2217 		*num_formats = ARRAY_SIZE(skl_plane_formats);
2218 		return skl_plane_formats;
2219 	}
2220 }
2221 
2222 static const u32 *glk_get_plane_formats(struct drm_i915_private *dev_priv,
2223 					enum pipe pipe, enum plane_id plane_id,
2224 					int *num_formats)
2225 {
2226 	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
2227 		*num_formats = ARRAY_SIZE(glk_planar_formats);
2228 		return glk_planar_formats;
2229 	} else {
2230 		*num_formats = ARRAY_SIZE(skl_plane_formats);
2231 		return skl_plane_formats;
2232 	}
2233 }
2234 
2235 static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv,
2236 					enum pipe pipe, enum plane_id plane_id,
2237 					int *num_formats)
2238 {
2239 	if (icl_is_hdr_plane(dev_priv, plane_id)) {
2240 		*num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
2241 		return icl_hdr_plane_formats;
2242 	} else if (icl_is_nv12_y_plane(dev_priv, plane_id)) {
2243 		*num_formats = ARRAY_SIZE(icl_sdr_y_plane_formats);
2244 		return icl_sdr_y_plane_formats;
2245 	} else {
2246 		*num_formats = ARRAY_SIZE(icl_sdr_uv_plane_formats);
2247 		return icl_sdr_uv_plane_formats;
2248 	}
2249 }
2250 
2251 static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
2252 					   u32 format, u64 modifier)
2253 {
2254 	struct intel_plane *plane = to_intel_plane(_plane);
2255 
2256 	if (!intel_fb_plane_supports_modifier(plane, modifier))
2257 		return false;
2258 
2259 	switch (format) {
2260 	case DRM_FORMAT_XRGB8888:
2261 	case DRM_FORMAT_XBGR8888:
2262 	case DRM_FORMAT_ARGB8888:
2263 	case DRM_FORMAT_ABGR8888:
2264 		if (intel_fb_is_ccs_modifier(modifier))
2265 			return true;
2266 		fallthrough;
2267 	case DRM_FORMAT_RGB565:
2268 	case DRM_FORMAT_XRGB2101010:
2269 	case DRM_FORMAT_XBGR2101010:
2270 	case DRM_FORMAT_ARGB2101010:
2271 	case DRM_FORMAT_ABGR2101010:
2272 	case DRM_FORMAT_YUYV:
2273 	case DRM_FORMAT_YVYU:
2274 	case DRM_FORMAT_UYVY:
2275 	case DRM_FORMAT_VYUY:
2276 	case DRM_FORMAT_NV12:
2277 	case DRM_FORMAT_XYUV8888:
2278 	case DRM_FORMAT_P010:
2279 	case DRM_FORMAT_P012:
2280 	case DRM_FORMAT_P016:
2281 	case DRM_FORMAT_XVYU2101010:
2282 		if (modifier == I915_FORMAT_MOD_Yf_TILED)
2283 			return true;
2284 		fallthrough;
2285 	case DRM_FORMAT_C8:
2286 	case DRM_FORMAT_XBGR16161616F:
2287 	case DRM_FORMAT_ABGR16161616F:
2288 	case DRM_FORMAT_XRGB16161616F:
2289 	case DRM_FORMAT_ARGB16161616F:
2290 	case DRM_FORMAT_Y210:
2291 	case DRM_FORMAT_Y212:
2292 	case DRM_FORMAT_Y216:
2293 	case DRM_FORMAT_XVYU12_16161616:
2294 	case DRM_FORMAT_XVYU16161616:
2295 		if (modifier == DRM_FORMAT_MOD_LINEAR ||
2296 		    modifier == I915_FORMAT_MOD_X_TILED ||
2297 		    modifier == I915_FORMAT_MOD_Y_TILED)
2298 			return true;
2299 		fallthrough;
2300 	default:
2301 		return false;
2302 	}
2303 }
2304 
2305 static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
2306 					     u32 format, u64 modifier)
2307 {
2308 	struct intel_plane *plane = to_intel_plane(_plane);
2309 
2310 	if (!intel_fb_plane_supports_modifier(plane, modifier))
2311 		return false;
2312 
2313 	switch (format) {
2314 	case DRM_FORMAT_XRGB8888:
2315 	case DRM_FORMAT_XBGR8888:
2316 	case DRM_FORMAT_ARGB8888:
2317 	case DRM_FORMAT_ABGR8888:
2318 		if (intel_fb_is_ccs_modifier(modifier))
2319 			return true;
2320 		fallthrough;
2321 	case DRM_FORMAT_YUYV:
2322 	case DRM_FORMAT_YVYU:
2323 	case DRM_FORMAT_UYVY:
2324 	case DRM_FORMAT_VYUY:
2325 	case DRM_FORMAT_NV12:
2326 	case DRM_FORMAT_XYUV8888:
2327 	case DRM_FORMAT_P010:
2328 	case DRM_FORMAT_P012:
2329 	case DRM_FORMAT_P016:
2330 		if (intel_fb_is_mc_ccs_modifier(modifier))
2331 			return true;
2332 		fallthrough;
2333 	case DRM_FORMAT_RGB565:
2334 	case DRM_FORMAT_XRGB2101010:
2335 	case DRM_FORMAT_XBGR2101010:
2336 	case DRM_FORMAT_ARGB2101010:
2337 	case DRM_FORMAT_ABGR2101010:
2338 	case DRM_FORMAT_XVYU2101010:
2339 	case DRM_FORMAT_C8:
2340 	case DRM_FORMAT_XBGR16161616F:
2341 	case DRM_FORMAT_ABGR16161616F:
2342 	case DRM_FORMAT_XRGB16161616F:
2343 	case DRM_FORMAT_ARGB16161616F:
2344 	case DRM_FORMAT_Y210:
2345 	case DRM_FORMAT_Y212:
2346 	case DRM_FORMAT_Y216:
2347 	case DRM_FORMAT_XVYU12_16161616:
2348 	case DRM_FORMAT_XVYU16161616:
2349 		if (!intel_fb_is_ccs_modifier(modifier))
2350 			return true;
2351 		fallthrough;
2352 	default:
2353 		return false;
2354 	}
2355 }
2356 
2357 static const struct drm_plane_funcs skl_plane_funcs = {
2358 	.update_plane = drm_atomic_helper_update_plane,
2359 	.disable_plane = drm_atomic_helper_disable_plane,
2360 	.destroy = intel_plane_destroy,
2361 	.atomic_duplicate_state = intel_plane_duplicate_state,
2362 	.atomic_destroy_state = intel_plane_destroy_state,
2363 	.format_mod_supported = skl_plane_format_mod_supported,
2364 };
2365 
2366 static const struct drm_plane_funcs gen12_plane_funcs = {
2367 	.update_plane = drm_atomic_helper_update_plane,
2368 	.disable_plane = drm_atomic_helper_disable_plane,
2369 	.destroy = intel_plane_destroy,
2370 	.atomic_duplicate_state = intel_plane_duplicate_state,
2371 	.atomic_destroy_state = intel_plane_destroy_state,
2372 	.format_mod_supported = gen12_plane_format_mod_supported,
2373 };
2374 
2375 static void
2376 skl_plane_enable_flip_done(struct intel_plane *plane)
2377 {
2378 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
2379 	enum pipe pipe = plane->pipe;
2380 
2381 	spin_lock_irq(&i915->irq_lock);
2382 	bdw_enable_pipe_irq(i915, pipe, GEN9_PIPE_PLANE_FLIP_DONE(plane->id));
2383 	spin_unlock_irq(&i915->irq_lock);
2384 }
2385 
2386 static void
2387 skl_plane_disable_flip_done(struct intel_plane *plane)
2388 {
2389 	struct drm_i915_private *i915 = to_i915(plane->base.dev);
2390 	enum pipe pipe = plane->pipe;
2391 
2392 	spin_lock_irq(&i915->irq_lock);
2393 	bdw_disable_pipe_irq(i915, pipe, GEN9_PIPE_PLANE_FLIP_DONE(plane->id));
2394 	spin_unlock_irq(&i915->irq_lock);
2395 }
2396 
2397 static bool skl_plane_has_rc_ccs(struct drm_i915_private *i915,
2398 				 enum pipe pipe, enum plane_id plane_id)
2399 {
2400 	/* Wa_22011186057 */
2401 	if (IS_ALDERLAKE_P(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_B0))
2402 		return false;
2403 
2404 	if (DISPLAY_VER(i915) >= 11)
2405 		return true;
2406 
2407 	if (IS_GEMINILAKE(i915))
2408 		return pipe != PIPE_C;
2409 
2410 	return pipe != PIPE_C &&
2411 		(plane_id == PLANE_1 || plane_id == PLANE_2);
2412 }
2413 
2414 static bool gen12_plane_has_mc_ccs(struct drm_i915_private *i915,
2415 				   enum plane_id plane_id)
2416 {
2417 	if (DISPLAY_VER(i915) < 12)
2418 		return false;
2419 
2420 	/* Wa_14010477008 */
2421 	if (IS_DG1(i915) || IS_ROCKETLAKE(i915) ||
2422 		(IS_TIGERLAKE(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_D0)))
2423 		return false;
2424 
2425 	/* Wa_22011186057 */
2426 	if (IS_ALDERLAKE_P(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_B0))
2427 		return false;
2428 
2429 	return plane_id < PLANE_6;
2430 }
2431 
2432 static u8 skl_get_plane_caps(struct drm_i915_private *i915,
2433 			     enum pipe pipe, enum plane_id plane_id)
2434 {
2435 	u8 caps = INTEL_PLANE_CAP_TILING_X;
2436 
2437 	if (DISPLAY_VER(i915) < 13 || IS_ALDERLAKE_P(i915))
2438 		caps |= INTEL_PLANE_CAP_TILING_Y;
2439 	if (DISPLAY_VER(i915) < 12)
2440 		caps |= INTEL_PLANE_CAP_TILING_Yf;
2441 	if (HAS_4TILE(i915))
2442 		caps |= INTEL_PLANE_CAP_TILING_4;
2443 
2444 	if (!IS_ENABLED(I915) && !HAS_FLAT_CCS(i915))
2445 		return caps;
2446 
2447 	if (skl_plane_has_rc_ccs(i915, pipe, plane_id)) {
2448 		caps |= INTEL_PLANE_CAP_CCS_RC;
2449 		if (DISPLAY_VER(i915) >= 12)
2450 			caps |= INTEL_PLANE_CAP_CCS_RC_CC;
2451 	}
2452 
2453 	if (gen12_plane_has_mc_ccs(i915, plane_id))
2454 		caps |= INTEL_PLANE_CAP_CCS_MC;
2455 
2456 	if (DISPLAY_VER(i915) >= 14 && IS_DGFX(i915))
2457 		caps |= INTEL_PLANE_CAP_NEED64K_PHYS;
2458 
2459 	return caps;
2460 }
2461 
2462 struct intel_plane *
2463 skl_universal_plane_create(struct drm_i915_private *dev_priv,
2464 			   enum pipe pipe, enum plane_id plane_id)
2465 {
2466 	const struct drm_plane_funcs *plane_funcs;
2467 	struct intel_plane *plane;
2468 	enum drm_plane_type plane_type;
2469 	unsigned int supported_rotations;
2470 	unsigned int supported_csc;
2471 	const u64 *modifiers;
2472 	const u32 *formats;
2473 	int num_formats;
2474 	int ret;
2475 
2476 	plane = intel_plane_alloc();
2477 	if (IS_ERR(plane))
2478 		return plane;
2479 
2480 	plane->pipe = pipe;
2481 	plane->id = plane_id;
2482 	plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane_id);
2483 
2484 	intel_fbc_add_plane(skl_plane_fbc(dev_priv, pipe, plane_id), plane);
2485 
2486 	if (DISPLAY_VER(dev_priv) >= 11) {
2487 		plane->min_width = icl_plane_min_width;
2488 		if (icl_is_hdr_plane(dev_priv, plane_id))
2489 			plane->max_width = icl_hdr_plane_max_width;
2490 		else
2491 			plane->max_width = icl_sdr_plane_max_width;
2492 		plane->max_height = icl_plane_max_height;
2493 		plane->min_cdclk = icl_plane_min_cdclk;
2494 	} else if (DISPLAY_VER(dev_priv) >= 10) {
2495 		plane->max_width = glk_plane_max_width;
2496 		plane->max_height = skl_plane_max_height;
2497 		plane->min_cdclk = glk_plane_min_cdclk;
2498 	} else {
2499 		plane->max_width = skl_plane_max_width;
2500 		plane->max_height = skl_plane_max_height;
2501 		plane->min_cdclk = skl_plane_min_cdclk;
2502 	}
2503 
2504 	if (DISPLAY_VER(dev_priv) >= 13)
2505 		plane->max_stride = adl_plane_max_stride;
2506 	else
2507 		plane->max_stride = skl_plane_max_stride;
2508 
2509 	if (DISPLAY_VER(dev_priv) >= 12)
2510 		plane->min_alignment = tgl_plane_min_alignment;
2511 	else
2512 		plane->min_alignment = skl_plane_min_alignment;
2513 
2514 	if (DISPLAY_VER(dev_priv) >= 11) {
2515 		plane->update_noarm = icl_plane_update_noarm;
2516 		plane->update_arm = icl_plane_update_arm;
2517 		plane->disable_arm = icl_plane_disable_arm;
2518 	} else {
2519 		plane->update_noarm = skl_plane_update_noarm;
2520 		plane->update_arm = skl_plane_update_arm;
2521 		plane->disable_arm = skl_plane_disable_arm;
2522 	}
2523 	plane->get_hw_state = skl_plane_get_hw_state;
2524 	plane->check_plane = skl_plane_check;
2525 
2526 	if (plane_id == PLANE_1) {
2527 		plane->need_async_flip_toggle_wa = IS_DISPLAY_VER(dev_priv, 9, 10);
2528 		plane->async_flip = skl_plane_async_flip;
2529 		plane->enable_flip_done = skl_plane_enable_flip_done;
2530 		plane->disable_flip_done = skl_plane_disable_flip_done;
2531 	}
2532 
2533 	if (DISPLAY_VER(dev_priv) >= 11)
2534 		formats = icl_get_plane_formats(dev_priv, pipe,
2535 						plane_id, &num_formats);
2536 	else if (DISPLAY_VER(dev_priv) >= 10)
2537 		formats = glk_get_plane_formats(dev_priv, pipe,
2538 						plane_id, &num_formats);
2539 	else
2540 		formats = skl_get_plane_formats(dev_priv, pipe,
2541 						plane_id, &num_formats);
2542 
2543 	if (DISPLAY_VER(dev_priv) >= 12)
2544 		plane_funcs = &gen12_plane_funcs;
2545 	else
2546 		plane_funcs = &skl_plane_funcs;
2547 
2548 	if (plane_id == PLANE_1)
2549 		plane_type = DRM_PLANE_TYPE_PRIMARY;
2550 	else
2551 		plane_type = DRM_PLANE_TYPE_OVERLAY;
2552 
2553 	modifiers = intel_fb_plane_get_modifiers(dev_priv,
2554 						 skl_get_plane_caps(dev_priv, pipe, plane_id));
2555 
2556 	ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
2557 				       0, plane_funcs,
2558 				       formats, num_formats, modifiers,
2559 				       plane_type,
2560 				       "plane %d%c", plane_id + 1,
2561 				       pipe_name(pipe));
2562 
2563 	kfree(modifiers);
2564 
2565 	if (ret)
2566 		goto fail;
2567 
2568 	if (DISPLAY_VER(dev_priv) >= 13)
2569 		supported_rotations = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
2570 	else
2571 		supported_rotations =
2572 			DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 |
2573 			DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270;
2574 
2575 	if (DISPLAY_VER(dev_priv) >= 11)
2576 		supported_rotations |= DRM_MODE_REFLECT_X;
2577 
2578 	drm_plane_create_rotation_property(&plane->base,
2579 					   DRM_MODE_ROTATE_0,
2580 					   supported_rotations);
2581 
2582 	supported_csc = BIT(DRM_COLOR_YCBCR_BT601) | BIT(DRM_COLOR_YCBCR_BT709);
2583 
2584 	if (DISPLAY_VER(dev_priv) >= 10)
2585 		supported_csc |= BIT(DRM_COLOR_YCBCR_BT2020);
2586 
2587 	drm_plane_create_color_properties(&plane->base,
2588 					  supported_csc,
2589 					  BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
2590 					  BIT(DRM_COLOR_YCBCR_FULL_RANGE),
2591 					  DRM_COLOR_YCBCR_BT709,
2592 					  DRM_COLOR_YCBCR_LIMITED_RANGE);
2593 
2594 	drm_plane_create_alpha_property(&plane->base);
2595 	drm_plane_create_blend_mode_property(&plane->base,
2596 					     BIT(DRM_MODE_BLEND_PIXEL_NONE) |
2597 					     BIT(DRM_MODE_BLEND_PREMULTI) |
2598 					     BIT(DRM_MODE_BLEND_COVERAGE));
2599 
2600 	drm_plane_create_zpos_immutable_property(&plane->base, plane_id);
2601 
2602 	if (DISPLAY_VER(dev_priv) >= 12)
2603 		drm_plane_enable_fb_damage_clips(&plane->base);
2604 
2605 	if (DISPLAY_VER(dev_priv) >= 11)
2606 		drm_plane_create_scaling_filter_property(&plane->base,
2607 						BIT(DRM_SCALING_FILTER_DEFAULT) |
2608 						BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR));
2609 
2610 	intel_plane_helper_add(plane);
2611 
2612 	return plane;
2613 
2614 fail:
2615 	intel_plane_free(plane);
2616 
2617 	return ERR_PTR(ret);
2618 }
2619 
2620 void
2621 skl_get_initial_plane_config(struct intel_crtc *crtc,
2622 			     struct intel_initial_plane_config *plane_config)
2623 {
2624 	struct intel_crtc_state *crtc_state = to_intel_crtc_state(crtc->base.state);
2625 	struct drm_device *dev = crtc->base.dev;
2626 	struct drm_i915_private *dev_priv = to_i915(dev);
2627 	struct intel_plane *plane = to_intel_plane(crtc->base.primary);
2628 	enum plane_id plane_id = plane->id;
2629 	enum pipe pipe;
2630 	u32 val, base, offset, stride_mult, tiling, alpha;
2631 	int fourcc, pixel_format;
2632 	unsigned int aligned_height;
2633 	struct drm_framebuffer *fb;
2634 	struct intel_framebuffer *intel_fb;
2635 	static_assert(PLANE_CTL_TILED_YF == PLANE_CTL_TILED_4);
2636 
2637 	if (!plane->get_hw_state(plane, &pipe))
2638 		return;
2639 
2640 	drm_WARN_ON(dev, pipe != crtc->pipe);
2641 
2642 	if (crtc_state->joiner_pipes) {
2643 		drm_dbg_kms(&dev_priv->drm,
2644 			    "Unsupported joiner configuration for initial FB\n");
2645 		return;
2646 	}
2647 
2648 	intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
2649 	if (!intel_fb) {
2650 		drm_dbg_kms(&dev_priv->drm, "failed to alloc fb\n");
2651 		return;
2652 	}
2653 
2654 	fb = &intel_fb->base;
2655 
2656 	fb->dev = dev;
2657 
2658 	val = intel_de_read(dev_priv, PLANE_CTL(pipe, plane_id));
2659 
2660 	if (DISPLAY_VER(dev_priv) >= 11)
2661 		pixel_format = val & PLANE_CTL_FORMAT_MASK_ICL;
2662 	else
2663 		pixel_format = val & PLANE_CTL_FORMAT_MASK_SKL;
2664 
2665 	if (DISPLAY_VER(dev_priv) >= 10) {
2666 		u32 color_ctl;
2667 
2668 		color_ctl = intel_de_read(dev_priv, PLANE_COLOR_CTL(pipe, plane_id));
2669 		alpha = REG_FIELD_GET(PLANE_COLOR_ALPHA_MASK, color_ctl);
2670 	} else {
2671 		alpha = REG_FIELD_GET(PLANE_CTL_ALPHA_MASK, val);
2672 	}
2673 
2674 	fourcc = skl_format_to_fourcc(pixel_format,
2675 				      val & PLANE_CTL_ORDER_RGBX, alpha);
2676 	fb->format = drm_format_info(fourcc);
2677 
2678 	tiling = val & PLANE_CTL_TILED_MASK;
2679 	switch (tiling) {
2680 	case PLANE_CTL_TILED_LINEAR:
2681 		fb->modifier = DRM_FORMAT_MOD_LINEAR;
2682 		break;
2683 	case PLANE_CTL_TILED_X:
2684 		plane_config->tiling = I915_TILING_X;
2685 		fb->modifier = I915_FORMAT_MOD_X_TILED;
2686 		break;
2687 	case PLANE_CTL_TILED_Y:
2688 		plane_config->tiling = I915_TILING_Y;
2689 		if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
2690 			if (DISPLAY_VER(dev_priv) >= 14)
2691 				fb->modifier = I915_FORMAT_MOD_4_TILED_MTL_RC_CCS;
2692 			else if (DISPLAY_VER(dev_priv) >= 12)
2693 				fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS;
2694 			else
2695 				fb->modifier = I915_FORMAT_MOD_Y_TILED_CCS;
2696 		else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE)
2697 			if (DISPLAY_VER(dev_priv) >= 14)
2698 				fb->modifier = I915_FORMAT_MOD_4_TILED_MTL_MC_CCS;
2699 			else
2700 				fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS;
2701 		else
2702 			fb->modifier = I915_FORMAT_MOD_Y_TILED;
2703 		break;
2704 	case PLANE_CTL_TILED_YF: /* aka PLANE_CTL_TILED_4 on XE_LPD+ */
2705 		if (HAS_4TILE(dev_priv)) {
2706 			u32 rc_mask = PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
2707 				      PLANE_CTL_CLEAR_COLOR_DISABLE;
2708 
2709 			if ((val & rc_mask) == rc_mask)
2710 				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_RC_CCS;
2711 			else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE)
2712 				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_MC_CCS;
2713 			else if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
2714 				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC;
2715 			else
2716 				fb->modifier = I915_FORMAT_MOD_4_TILED;
2717 		} else {
2718 			if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
2719 				fb->modifier = I915_FORMAT_MOD_Yf_TILED_CCS;
2720 			else
2721 				fb->modifier = I915_FORMAT_MOD_Yf_TILED;
2722 		}
2723 		break;
2724 	default:
2725 		MISSING_CASE(tiling);
2726 		goto error;
2727 	}
2728 
2729 	if (!dev_priv->display.params.enable_dpt &&
2730 	    intel_fb_modifier_uses_dpt(dev_priv, fb->modifier)) {
2731 		drm_dbg_kms(&dev_priv->drm, "DPT disabled, skipping initial FB\n");
2732 		goto error;
2733 	}
2734 
2735 	/*
2736 	 * DRM_MODE_ROTATE_ is counter clockwise to stay compatible with Xrandr
2737 	 * while i915 HW rotation is clockwise, thats why this swapping.
2738 	 */
2739 	switch (val & PLANE_CTL_ROTATE_MASK) {
2740 	case PLANE_CTL_ROTATE_0:
2741 		plane_config->rotation = DRM_MODE_ROTATE_0;
2742 		break;
2743 	case PLANE_CTL_ROTATE_90:
2744 		plane_config->rotation = DRM_MODE_ROTATE_270;
2745 		break;
2746 	case PLANE_CTL_ROTATE_180:
2747 		plane_config->rotation = DRM_MODE_ROTATE_180;
2748 		break;
2749 	case PLANE_CTL_ROTATE_270:
2750 		plane_config->rotation = DRM_MODE_ROTATE_90;
2751 		break;
2752 	}
2753 
2754 	if (DISPLAY_VER(dev_priv) >= 11 && val & PLANE_CTL_FLIP_HORIZONTAL)
2755 		plane_config->rotation |= DRM_MODE_REFLECT_X;
2756 
2757 	/* 90/270 degree rotation would require extra work */
2758 	if (drm_rotation_90_or_270(plane_config->rotation))
2759 		goto error;
2760 
2761 	base = intel_de_read(dev_priv, PLANE_SURF(pipe, plane_id)) & PLANE_SURF_ADDR_MASK;
2762 	plane_config->base = base;
2763 
2764 	offset = intel_de_read(dev_priv, PLANE_OFFSET(pipe, plane_id));
2765 	drm_WARN_ON(&dev_priv->drm, offset != 0);
2766 
2767 	val = intel_de_read(dev_priv, PLANE_SIZE(pipe, plane_id));
2768 	fb->height = REG_FIELD_GET(PLANE_HEIGHT_MASK, val) + 1;
2769 	fb->width = REG_FIELD_GET(PLANE_WIDTH_MASK, val) + 1;
2770 
2771 	val = intel_de_read(dev_priv, PLANE_STRIDE(pipe, plane_id));
2772 	stride_mult = skl_plane_stride_mult(fb, 0, DRM_MODE_ROTATE_0);
2773 
2774 	fb->pitches[0] = REG_FIELD_GET(PLANE_STRIDE__MASK, val) * stride_mult;
2775 
2776 	aligned_height = intel_fb_align_height(fb, 0, fb->height);
2777 
2778 	plane_config->size = fb->pitches[0] * aligned_height;
2779 
2780 	drm_dbg_kms(&dev_priv->drm,
2781 		    "%s/%s with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
2782 		    crtc->base.name, plane->base.name, fb->width, fb->height,
2783 		    fb->format->cpp[0] * 8, base, fb->pitches[0],
2784 		    plane_config->size);
2785 
2786 	plane_config->fb = intel_fb;
2787 	return;
2788 
2789 error:
2790 	kfree(intel_fb);
2791 }
2792 
2793 bool skl_fixup_initial_plane_config(struct intel_crtc *crtc,
2794 				    const struct intel_initial_plane_config *plane_config)
2795 {
2796 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
2797 	struct intel_plane *plane = to_intel_plane(crtc->base.primary);
2798 	const struct intel_plane_state *plane_state =
2799 		to_intel_plane_state(plane->base.state);
2800 	enum plane_id plane_id = plane->id;
2801 	enum pipe pipe = crtc->pipe;
2802 	u32 base;
2803 
2804 	if (!plane_state->uapi.visible)
2805 		return false;
2806 
2807 	base = intel_plane_ggtt_offset(plane_state);
2808 
2809 	/*
2810 	 * We may have moved the surface to a different
2811 	 * part of ggtt, make the plane aware of that.
2812 	 */
2813 	if (plane_config->base == base)
2814 		return false;
2815 
2816 	intel_de_write(i915, PLANE_SURF(pipe, plane_id), base);
2817 
2818 	return true;
2819 }
2820