cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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skl_universal_plane.c (71693B)


      1// SPDX-License-Identifier: MIT
      2/*
      3 * Copyright © 2020 Intel Corporation
      4 */
      5
      6#include <drm/drm_atomic_helper.h>
      7#include <drm/drm_damage_helper.h>
      8#include <drm/drm_fourcc.h>
      9#include <drm/drm_plane_helper.h>
     10
     11#include "i915_drv.h"
     12#include "intel_atomic_plane.h"
     13#include "intel_de.h"
     14#include "intel_display_types.h"
     15#include "intel_fb.h"
     16#include "intel_fbc.h"
     17#include "intel_pm.h"
     18#include "intel_psr.h"
     19#include "intel_sprite.h"
     20#include "skl_scaler.h"
     21#include "skl_universal_plane.h"
     22#include "pxp/intel_pxp.h"
     23
     24static const u32 skl_plane_formats[] = {
     25	DRM_FORMAT_C8,
     26	DRM_FORMAT_RGB565,
     27	DRM_FORMAT_XRGB8888,
     28	DRM_FORMAT_XBGR8888,
     29	DRM_FORMAT_ARGB8888,
     30	DRM_FORMAT_ABGR8888,
     31	DRM_FORMAT_XRGB2101010,
     32	DRM_FORMAT_XBGR2101010,
     33	DRM_FORMAT_XRGB16161616F,
     34	DRM_FORMAT_XBGR16161616F,
     35	DRM_FORMAT_YUYV,
     36	DRM_FORMAT_YVYU,
     37	DRM_FORMAT_UYVY,
     38	DRM_FORMAT_VYUY,
     39	DRM_FORMAT_XYUV8888,
     40};
     41
     42static const u32 skl_planar_formats[] = {
     43	DRM_FORMAT_C8,
     44	DRM_FORMAT_RGB565,
     45	DRM_FORMAT_XRGB8888,
     46	DRM_FORMAT_XBGR8888,
     47	DRM_FORMAT_ARGB8888,
     48	DRM_FORMAT_ABGR8888,
     49	DRM_FORMAT_XRGB2101010,
     50	DRM_FORMAT_XBGR2101010,
     51	DRM_FORMAT_XRGB16161616F,
     52	DRM_FORMAT_XBGR16161616F,
     53	DRM_FORMAT_YUYV,
     54	DRM_FORMAT_YVYU,
     55	DRM_FORMAT_UYVY,
     56	DRM_FORMAT_VYUY,
     57	DRM_FORMAT_NV12,
     58	DRM_FORMAT_XYUV8888,
     59};
     60
     61static const u32 glk_planar_formats[] = {
     62	DRM_FORMAT_C8,
     63	DRM_FORMAT_RGB565,
     64	DRM_FORMAT_XRGB8888,
     65	DRM_FORMAT_XBGR8888,
     66	DRM_FORMAT_ARGB8888,
     67	DRM_FORMAT_ABGR8888,
     68	DRM_FORMAT_XRGB2101010,
     69	DRM_FORMAT_XBGR2101010,
     70	DRM_FORMAT_XRGB16161616F,
     71	DRM_FORMAT_XBGR16161616F,
     72	DRM_FORMAT_YUYV,
     73	DRM_FORMAT_YVYU,
     74	DRM_FORMAT_UYVY,
     75	DRM_FORMAT_VYUY,
     76	DRM_FORMAT_NV12,
     77	DRM_FORMAT_XYUV8888,
     78	DRM_FORMAT_P010,
     79	DRM_FORMAT_P012,
     80	DRM_FORMAT_P016,
     81};
     82
     83static const u32 icl_sdr_y_plane_formats[] = {
     84	DRM_FORMAT_C8,
     85	DRM_FORMAT_RGB565,
     86	DRM_FORMAT_XRGB8888,
     87	DRM_FORMAT_XBGR8888,
     88	DRM_FORMAT_ARGB8888,
     89	DRM_FORMAT_ABGR8888,
     90	DRM_FORMAT_XRGB2101010,
     91	DRM_FORMAT_XBGR2101010,
     92	DRM_FORMAT_ARGB2101010,
     93	DRM_FORMAT_ABGR2101010,
     94	DRM_FORMAT_YUYV,
     95	DRM_FORMAT_YVYU,
     96	DRM_FORMAT_UYVY,
     97	DRM_FORMAT_VYUY,
     98	DRM_FORMAT_Y210,
     99	DRM_FORMAT_Y212,
    100	DRM_FORMAT_Y216,
    101	DRM_FORMAT_XYUV8888,
    102	DRM_FORMAT_XVYU2101010,
    103	DRM_FORMAT_XVYU12_16161616,
    104	DRM_FORMAT_XVYU16161616,
    105};
    106
    107static const u32 icl_sdr_uv_plane_formats[] = {
    108	DRM_FORMAT_C8,
    109	DRM_FORMAT_RGB565,
    110	DRM_FORMAT_XRGB8888,
    111	DRM_FORMAT_XBGR8888,
    112	DRM_FORMAT_ARGB8888,
    113	DRM_FORMAT_ABGR8888,
    114	DRM_FORMAT_XRGB2101010,
    115	DRM_FORMAT_XBGR2101010,
    116	DRM_FORMAT_ARGB2101010,
    117	DRM_FORMAT_ABGR2101010,
    118	DRM_FORMAT_YUYV,
    119	DRM_FORMAT_YVYU,
    120	DRM_FORMAT_UYVY,
    121	DRM_FORMAT_VYUY,
    122	DRM_FORMAT_NV12,
    123	DRM_FORMAT_P010,
    124	DRM_FORMAT_P012,
    125	DRM_FORMAT_P016,
    126	DRM_FORMAT_Y210,
    127	DRM_FORMAT_Y212,
    128	DRM_FORMAT_Y216,
    129	DRM_FORMAT_XYUV8888,
    130	DRM_FORMAT_XVYU2101010,
    131	DRM_FORMAT_XVYU12_16161616,
    132	DRM_FORMAT_XVYU16161616,
    133};
    134
    135static const u32 icl_hdr_plane_formats[] = {
    136	DRM_FORMAT_C8,
    137	DRM_FORMAT_RGB565,
    138	DRM_FORMAT_XRGB8888,
    139	DRM_FORMAT_XBGR8888,
    140	DRM_FORMAT_ARGB8888,
    141	DRM_FORMAT_ABGR8888,
    142	DRM_FORMAT_XRGB2101010,
    143	DRM_FORMAT_XBGR2101010,
    144	DRM_FORMAT_ARGB2101010,
    145	DRM_FORMAT_ABGR2101010,
    146	DRM_FORMAT_XRGB16161616F,
    147	DRM_FORMAT_XBGR16161616F,
    148	DRM_FORMAT_ARGB16161616F,
    149	DRM_FORMAT_ABGR16161616F,
    150	DRM_FORMAT_YUYV,
    151	DRM_FORMAT_YVYU,
    152	DRM_FORMAT_UYVY,
    153	DRM_FORMAT_VYUY,
    154	DRM_FORMAT_NV12,
    155	DRM_FORMAT_P010,
    156	DRM_FORMAT_P012,
    157	DRM_FORMAT_P016,
    158	DRM_FORMAT_Y210,
    159	DRM_FORMAT_Y212,
    160	DRM_FORMAT_Y216,
    161	DRM_FORMAT_XYUV8888,
    162	DRM_FORMAT_XVYU2101010,
    163	DRM_FORMAT_XVYU12_16161616,
    164	DRM_FORMAT_XVYU16161616,
    165};
    166
    167int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
    168{
    169	switch (format) {
    170	case PLANE_CTL_FORMAT_RGB_565:
    171		return DRM_FORMAT_RGB565;
    172	case PLANE_CTL_FORMAT_NV12:
    173		return DRM_FORMAT_NV12;
    174	case PLANE_CTL_FORMAT_XYUV:
    175		return DRM_FORMAT_XYUV8888;
    176	case PLANE_CTL_FORMAT_P010:
    177		return DRM_FORMAT_P010;
    178	case PLANE_CTL_FORMAT_P012:
    179		return DRM_FORMAT_P012;
    180	case PLANE_CTL_FORMAT_P016:
    181		return DRM_FORMAT_P016;
    182	case PLANE_CTL_FORMAT_Y210:
    183		return DRM_FORMAT_Y210;
    184	case PLANE_CTL_FORMAT_Y212:
    185		return DRM_FORMAT_Y212;
    186	case PLANE_CTL_FORMAT_Y216:
    187		return DRM_FORMAT_Y216;
    188	case PLANE_CTL_FORMAT_Y410:
    189		return DRM_FORMAT_XVYU2101010;
    190	case PLANE_CTL_FORMAT_Y412:
    191		return DRM_FORMAT_XVYU12_16161616;
    192	case PLANE_CTL_FORMAT_Y416:
    193		return DRM_FORMAT_XVYU16161616;
    194	default:
    195	case PLANE_CTL_FORMAT_XRGB_8888:
    196		if (rgb_order) {
    197			if (alpha)
    198				return DRM_FORMAT_ABGR8888;
    199			else
    200				return DRM_FORMAT_XBGR8888;
    201		} else {
    202			if (alpha)
    203				return DRM_FORMAT_ARGB8888;
    204			else
    205				return DRM_FORMAT_XRGB8888;
    206		}
    207	case PLANE_CTL_FORMAT_XRGB_2101010:
    208		if (rgb_order) {
    209			if (alpha)
    210				return DRM_FORMAT_ABGR2101010;
    211			else
    212				return DRM_FORMAT_XBGR2101010;
    213		} else {
    214			if (alpha)
    215				return DRM_FORMAT_ARGB2101010;
    216			else
    217				return DRM_FORMAT_XRGB2101010;
    218		}
    219	case PLANE_CTL_FORMAT_XRGB_16161616F:
    220		if (rgb_order) {
    221			if (alpha)
    222				return DRM_FORMAT_ABGR16161616F;
    223			else
    224				return DRM_FORMAT_XBGR16161616F;
    225		} else {
    226			if (alpha)
    227				return DRM_FORMAT_ARGB16161616F;
    228			else
    229				return DRM_FORMAT_XRGB16161616F;
    230		}
    231	}
    232}
    233
    234static u8 icl_nv12_y_plane_mask(struct drm_i915_private *i915)
    235{
    236	if (DISPLAY_VER(i915) >= 13 || HAS_D12_PLANE_MINIMIZATION(i915))
    237		return BIT(PLANE_SPRITE2) | BIT(PLANE_SPRITE3);
    238	else
    239		return BIT(PLANE_SPRITE4) | BIT(PLANE_SPRITE5);
    240}
    241
    242bool icl_is_nv12_y_plane(struct drm_i915_private *dev_priv,
    243			 enum plane_id plane_id)
    244{
    245	return DISPLAY_VER(dev_priv) >= 11 &&
    246		icl_nv12_y_plane_mask(dev_priv) & BIT(plane_id);
    247}
    248
    249bool icl_is_hdr_plane(struct drm_i915_private *dev_priv, enum plane_id plane_id)
    250{
    251	return DISPLAY_VER(dev_priv) >= 11 &&
    252		icl_hdr_plane_mask() & BIT(plane_id);
    253}
    254
    255static int icl_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
    256			       const struct intel_plane_state *plane_state)
    257{
    258	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
    259
    260	/* two pixels per clock */
    261	return DIV_ROUND_UP(pixel_rate, 2);
    262}
    263
    264static void
    265glk_plane_ratio(const struct intel_plane_state *plane_state,
    266		unsigned int *num, unsigned int *den)
    267{
    268	const struct drm_framebuffer *fb = plane_state->hw.fb;
    269
    270	if (fb->format->cpp[0] == 8) {
    271		*num = 10;
    272		*den = 8;
    273	} else {
    274		*num = 1;
    275		*den = 1;
    276	}
    277}
    278
    279static int glk_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
    280			       const struct intel_plane_state *plane_state)
    281{
    282	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
    283	unsigned int num, den;
    284
    285	glk_plane_ratio(plane_state, &num, &den);
    286
    287	/* two pixels per clock */
    288	return DIV_ROUND_UP(pixel_rate * num, 2 * den);
    289}
    290
    291static void
    292skl_plane_ratio(const struct intel_plane_state *plane_state,
    293		unsigned int *num, unsigned int *den)
    294{
    295	const struct drm_framebuffer *fb = plane_state->hw.fb;
    296
    297	if (fb->format->cpp[0] == 8) {
    298		*num = 9;
    299		*den = 8;
    300	} else {
    301		*num = 1;
    302		*den = 1;
    303	}
    304}
    305
    306static int skl_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
    307			       const struct intel_plane_state *plane_state)
    308{
    309	unsigned int pixel_rate = intel_plane_pixel_rate(crtc_state, plane_state);
    310	unsigned int num, den;
    311
    312	skl_plane_ratio(plane_state, &num, &den);
    313
    314	return DIV_ROUND_UP(pixel_rate * num, den);
    315}
    316
    317static int skl_plane_max_width(const struct drm_framebuffer *fb,
    318			       int color_plane,
    319			       unsigned int rotation)
    320{
    321	int cpp = fb->format->cpp[color_plane];
    322
    323	switch (fb->modifier) {
    324	case DRM_FORMAT_MOD_LINEAR:
    325	case I915_FORMAT_MOD_X_TILED:
    326		/*
    327		 * Validated limit is 4k, but has 5k should
    328		 * work apart from the following features:
    329		 * - Ytile (already limited to 4k)
    330		 * - FP16 (already limited to 4k)
    331		 * - render compression (already limited to 4k)
    332		 * - KVMR sprite and cursor (don't care)
    333		 * - horizontal panning (TODO verify this)
    334		 * - pipe and plane scaling (TODO verify this)
    335		 */
    336		if (cpp == 8)
    337			return 4096;
    338		else
    339			return 5120;
    340	case I915_FORMAT_MOD_Y_TILED_CCS:
    341	case I915_FORMAT_MOD_Yf_TILED_CCS:
    342	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
    343		/* FIXME AUX plane? */
    344	case I915_FORMAT_MOD_Y_TILED:
    345	case I915_FORMAT_MOD_Yf_TILED:
    346		if (cpp == 8)
    347			return 2048;
    348		else
    349			return 4096;
    350	default:
    351		MISSING_CASE(fb->modifier);
    352		return 2048;
    353	}
    354}
    355
    356static int glk_plane_max_width(const struct drm_framebuffer *fb,
    357			       int color_plane,
    358			       unsigned int rotation)
    359{
    360	int cpp = fb->format->cpp[color_plane];
    361
    362	switch (fb->modifier) {
    363	case DRM_FORMAT_MOD_LINEAR:
    364	case I915_FORMAT_MOD_X_TILED:
    365		if (cpp == 8)
    366			return 4096;
    367		else
    368			return 5120;
    369	case I915_FORMAT_MOD_Y_TILED_CCS:
    370	case I915_FORMAT_MOD_Yf_TILED_CCS:
    371		/* FIXME AUX plane? */
    372	case I915_FORMAT_MOD_Y_TILED:
    373	case I915_FORMAT_MOD_Yf_TILED:
    374		if (cpp == 8)
    375			return 2048;
    376		else
    377			return 5120;
    378	default:
    379		MISSING_CASE(fb->modifier);
    380		return 2048;
    381	}
    382}
    383
    384static int icl_plane_min_width(const struct drm_framebuffer *fb,
    385			       int color_plane,
    386			       unsigned int rotation)
    387{
    388	/* Wa_14011264657, Wa_14011050563: gen11+ */
    389	switch (fb->format->format) {
    390	case DRM_FORMAT_C8:
    391		return 18;
    392	case DRM_FORMAT_RGB565:
    393		return 10;
    394	case DRM_FORMAT_XRGB8888:
    395	case DRM_FORMAT_XBGR8888:
    396	case DRM_FORMAT_ARGB8888:
    397	case DRM_FORMAT_ABGR8888:
    398	case DRM_FORMAT_XRGB2101010:
    399	case DRM_FORMAT_XBGR2101010:
    400	case DRM_FORMAT_ARGB2101010:
    401	case DRM_FORMAT_ABGR2101010:
    402	case DRM_FORMAT_XVYU2101010:
    403	case DRM_FORMAT_Y212:
    404	case DRM_FORMAT_Y216:
    405		return 6;
    406	case DRM_FORMAT_NV12:
    407		return 20;
    408	case DRM_FORMAT_P010:
    409	case DRM_FORMAT_P012:
    410	case DRM_FORMAT_P016:
    411		return 12;
    412	case DRM_FORMAT_XRGB16161616F:
    413	case DRM_FORMAT_XBGR16161616F:
    414	case DRM_FORMAT_ARGB16161616F:
    415	case DRM_FORMAT_ABGR16161616F:
    416	case DRM_FORMAT_XVYU12_16161616:
    417	case DRM_FORMAT_XVYU16161616:
    418		return 4;
    419	default:
    420		return 1;
    421	}
    422}
    423
    424static int icl_hdr_plane_max_width(const struct drm_framebuffer *fb,
    425				   int color_plane,
    426				   unsigned int rotation)
    427{
    428	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
    429		return 4096;
    430	else
    431		return 5120;
    432}
    433
    434static int icl_sdr_plane_max_width(const struct drm_framebuffer *fb,
    435				   int color_plane,
    436				   unsigned int rotation)
    437{
    438	return 5120;
    439}
    440
    441static int skl_plane_max_height(const struct drm_framebuffer *fb,
    442				int color_plane,
    443				unsigned int rotation)
    444{
    445	return 4096;
    446}
    447
    448static int icl_plane_max_height(const struct drm_framebuffer *fb,
    449				int color_plane,
    450				unsigned int rotation)
    451{
    452	return 4320;
    453}
    454
    455static unsigned int
    456skl_plane_max_stride(struct intel_plane *plane,
    457		     u32 pixel_format, u64 modifier,
    458		     unsigned int rotation)
    459{
    460	struct drm_i915_private *i915 = to_i915(plane->base.dev);
    461	const struct drm_format_info *info = drm_format_info(pixel_format);
    462	int cpp = info->cpp[0];
    463	int max_horizontal_pixels = 8192;
    464	int max_stride_bytes;
    465
    466	if (DISPLAY_VER(i915) >= 13) {
    467		/*
    468		 * The stride in bytes must not exceed of the size
    469		 * of 128K bytes. For pixel formats of 64bpp will allow
    470		 * for a 16K pixel surface.
    471		 */
    472		max_stride_bytes = 131072;
    473		if (cpp == 8)
    474			max_horizontal_pixels = 16384;
    475		else
    476			max_horizontal_pixels = 65536;
    477	} else {
    478		/*
    479		 * "The stride in bytes must not exceed the
    480		 * of the size of 8K pixels and 32K bytes."
    481		 */
    482		max_stride_bytes = 32768;
    483	}
    484
    485	if (drm_rotation_90_or_270(rotation))
    486		return min(max_horizontal_pixels, max_stride_bytes / cpp);
    487	else
    488		return min(max_horizontal_pixels * cpp, max_stride_bytes);
    489}
    490
    491
    492/* Preoffset values for YUV to RGB Conversion */
    493#define PREOFF_YUV_TO_RGB_HI		0x1800
    494#define PREOFF_YUV_TO_RGB_ME		0x0000
    495#define PREOFF_YUV_TO_RGB_LO		0x1800
    496
    497#define  ROFF(x)          (((x) & 0xffff) << 16)
    498#define  GOFF(x)          (((x) & 0xffff) << 0)
    499#define  BOFF(x)          (((x) & 0xffff) << 16)
    500
    501/*
    502 * Programs the input color space conversion stage for ICL HDR planes.
    503 * Note that it is assumed that this stage always happens after YUV
    504 * range correction. Thus, the input to this stage is assumed to be
    505 * in full-range YCbCr.
    506 */
    507static void
    508icl_program_input_csc(struct intel_plane *plane,
    509		      const struct intel_crtc_state *crtc_state,
    510		      const struct intel_plane_state *plane_state)
    511{
    512	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
    513	enum pipe pipe = plane->pipe;
    514	enum plane_id plane_id = plane->id;
    515
    516	static const u16 input_csc_matrix[][9] = {
    517		/*
    518		 * BT.601 full range YCbCr -> full range RGB
    519		 * The matrix required is :
    520		 * [1.000, 0.000, 1.371,
    521		 *  1.000, -0.336, -0.698,
    522		 *  1.000, 1.732, 0.0000]
    523		 */
    524		[DRM_COLOR_YCBCR_BT601] = {
    525			0x7AF8, 0x7800, 0x0,
    526			0x8B28, 0x7800, 0x9AC0,
    527			0x0, 0x7800, 0x7DD8,
    528		},
    529		/*
    530		 * BT.709 full range YCbCr -> full range RGB
    531		 * The matrix required is :
    532		 * [1.000, 0.000, 1.574,
    533		 *  1.000, -0.187, -0.468,
    534		 *  1.000, 1.855, 0.0000]
    535		 */
    536		[DRM_COLOR_YCBCR_BT709] = {
    537			0x7C98, 0x7800, 0x0,
    538			0x9EF8, 0x7800, 0xAC00,
    539			0x0, 0x7800,  0x7ED8,
    540		},
    541		/*
    542		 * BT.2020 full range YCbCr -> full range RGB
    543		 * The matrix required is :
    544		 * [1.000, 0.000, 1.474,
    545		 *  1.000, -0.1645, -0.5713,
    546		 *  1.000, 1.8814, 0.0000]
    547		 */
    548		[DRM_COLOR_YCBCR_BT2020] = {
    549			0x7BC8, 0x7800, 0x0,
    550			0x8928, 0x7800, 0xAA88,
    551			0x0, 0x7800, 0x7F10,
    552		},
    553	};
    554	const u16 *csc = input_csc_matrix[plane_state->hw.color_encoding];
    555
    556	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 0),
    557			  ROFF(csc[0]) | GOFF(csc[1]));
    558	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 1),
    559			  BOFF(csc[2]));
    560	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 2),
    561			  ROFF(csc[3]) | GOFF(csc[4]));
    562	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 3),
    563			  BOFF(csc[5]));
    564	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 4),
    565			  ROFF(csc[6]) | GOFF(csc[7]));
    566	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_COEFF(pipe, plane_id, 5),
    567			  BOFF(csc[8]));
    568
    569	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 0),
    570			  PREOFF_YUV_TO_RGB_HI);
    571	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1),
    572			  PREOFF_YUV_TO_RGB_ME);
    573	intel_de_write_fw(dev_priv, PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 2),
    574			  PREOFF_YUV_TO_RGB_LO);
    575	intel_de_write_fw(dev_priv,
    576			  PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 0), 0x0);
    577	intel_de_write_fw(dev_priv,
    578			  PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 1), 0x0);
    579	intel_de_write_fw(dev_priv,
    580			  PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 2), 0x0);
    581}
    582
    583static unsigned int skl_plane_stride_mult(const struct drm_framebuffer *fb,
    584					  int color_plane, unsigned int rotation)
    585{
    586	/*
    587	 * The stride is either expressed as a multiple of 64 bytes chunks for
    588	 * linear buffers or in number of tiles for tiled buffers.
    589	 */
    590	if (is_surface_linear(fb, color_plane))
    591		return 64;
    592	else if (drm_rotation_90_or_270(rotation))
    593		return intel_tile_height(fb, color_plane);
    594	else
    595		return intel_tile_width_bytes(fb, color_plane);
    596}
    597
    598static u32 skl_plane_stride(const struct intel_plane_state *plane_state,
    599			    int color_plane)
    600{
    601	const struct drm_framebuffer *fb = plane_state->hw.fb;
    602	unsigned int rotation = plane_state->hw.rotation;
    603	u32 stride = plane_state->view.color_plane[color_plane].scanout_stride;
    604
    605	if (color_plane >= fb->format->num_planes)
    606		return 0;
    607
    608	return stride / skl_plane_stride_mult(fb, color_plane, rotation);
    609}
    610
    611static void
    612skl_plane_disable_arm(struct intel_plane *plane,
    613		      const struct intel_crtc_state *crtc_state)
    614{
    615	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
    616	enum plane_id plane_id = plane->id;
    617	enum pipe pipe = plane->pipe;
    618
    619	skl_write_plane_wm(plane, crtc_state);
    620
    621	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0);
    622	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0);
    623}
    624
    625static void
    626icl_plane_disable_arm(struct intel_plane *plane,
    627		      const struct intel_crtc_state *crtc_state)
    628{
    629	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
    630	enum plane_id plane_id = plane->id;
    631	enum pipe pipe = plane->pipe;
    632
    633	if (icl_is_hdr_plane(dev_priv, plane_id))
    634		intel_de_write_fw(dev_priv, PLANE_CUS_CTL(pipe, plane_id), 0);
    635
    636	skl_write_plane_wm(plane, crtc_state);
    637
    638	intel_psr2_disable_plane_sel_fetch(plane, crtc_state);
    639	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), 0);
    640	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id), 0);
    641}
    642
    643static bool
    644skl_plane_get_hw_state(struct intel_plane *plane,
    645		       enum pipe *pipe)
    646{
    647	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
    648	enum intel_display_power_domain power_domain;
    649	enum plane_id plane_id = plane->id;
    650	intel_wakeref_t wakeref;
    651	bool ret;
    652
    653	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
    654	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
    655	if (!wakeref)
    656		return false;
    657
    658	ret = intel_de_read(dev_priv, PLANE_CTL(plane->pipe, plane_id)) & PLANE_CTL_ENABLE;
    659
    660	*pipe = plane->pipe;
    661
    662	intel_display_power_put(dev_priv, power_domain, wakeref);
    663
    664	return ret;
    665}
    666
    667static u32 skl_plane_ctl_format(u32 pixel_format)
    668{
    669	switch (pixel_format) {
    670	case DRM_FORMAT_C8:
    671		return PLANE_CTL_FORMAT_INDEXED;
    672	case DRM_FORMAT_RGB565:
    673		return PLANE_CTL_FORMAT_RGB_565;
    674	case DRM_FORMAT_XBGR8888:
    675	case DRM_FORMAT_ABGR8888:
    676		return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX;
    677	case DRM_FORMAT_XRGB8888:
    678	case DRM_FORMAT_ARGB8888:
    679		return PLANE_CTL_FORMAT_XRGB_8888;
    680	case DRM_FORMAT_XBGR2101010:
    681	case DRM_FORMAT_ABGR2101010:
    682		return PLANE_CTL_FORMAT_XRGB_2101010 | PLANE_CTL_ORDER_RGBX;
    683	case DRM_FORMAT_XRGB2101010:
    684	case DRM_FORMAT_ARGB2101010:
    685		return PLANE_CTL_FORMAT_XRGB_2101010;
    686	case DRM_FORMAT_XBGR16161616F:
    687	case DRM_FORMAT_ABGR16161616F:
    688		return PLANE_CTL_FORMAT_XRGB_16161616F | PLANE_CTL_ORDER_RGBX;
    689	case DRM_FORMAT_XRGB16161616F:
    690	case DRM_FORMAT_ARGB16161616F:
    691		return PLANE_CTL_FORMAT_XRGB_16161616F;
    692	case DRM_FORMAT_XYUV8888:
    693		return PLANE_CTL_FORMAT_XYUV;
    694	case DRM_FORMAT_YUYV:
    695		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_YUYV;
    696	case DRM_FORMAT_YVYU:
    697		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_YVYU;
    698	case DRM_FORMAT_UYVY:
    699		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_UYVY;
    700	case DRM_FORMAT_VYUY:
    701		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_ORDER_VYUY;
    702	case DRM_FORMAT_NV12:
    703		return PLANE_CTL_FORMAT_NV12;
    704	case DRM_FORMAT_P010:
    705		return PLANE_CTL_FORMAT_P010;
    706	case DRM_FORMAT_P012:
    707		return PLANE_CTL_FORMAT_P012;
    708	case DRM_FORMAT_P016:
    709		return PLANE_CTL_FORMAT_P016;
    710	case DRM_FORMAT_Y210:
    711		return PLANE_CTL_FORMAT_Y210;
    712	case DRM_FORMAT_Y212:
    713		return PLANE_CTL_FORMAT_Y212;
    714	case DRM_FORMAT_Y216:
    715		return PLANE_CTL_FORMAT_Y216;
    716	case DRM_FORMAT_XVYU2101010:
    717		return PLANE_CTL_FORMAT_Y410;
    718	case DRM_FORMAT_XVYU12_16161616:
    719		return PLANE_CTL_FORMAT_Y412;
    720	case DRM_FORMAT_XVYU16161616:
    721		return PLANE_CTL_FORMAT_Y416;
    722	default:
    723		MISSING_CASE(pixel_format);
    724	}
    725
    726	return 0;
    727}
    728
    729static u32 skl_plane_ctl_alpha(const struct intel_plane_state *plane_state)
    730{
    731	if (!plane_state->hw.fb->format->has_alpha)
    732		return PLANE_CTL_ALPHA_DISABLE;
    733
    734	switch (plane_state->hw.pixel_blend_mode) {
    735	case DRM_MODE_BLEND_PIXEL_NONE:
    736		return PLANE_CTL_ALPHA_DISABLE;
    737	case DRM_MODE_BLEND_PREMULTI:
    738		return PLANE_CTL_ALPHA_SW_PREMULTIPLY;
    739	case DRM_MODE_BLEND_COVERAGE:
    740		return PLANE_CTL_ALPHA_HW_PREMULTIPLY;
    741	default:
    742		MISSING_CASE(plane_state->hw.pixel_blend_mode);
    743		return PLANE_CTL_ALPHA_DISABLE;
    744	}
    745}
    746
    747static u32 glk_plane_color_ctl_alpha(const struct intel_plane_state *plane_state)
    748{
    749	if (!plane_state->hw.fb->format->has_alpha)
    750		return PLANE_COLOR_ALPHA_DISABLE;
    751
    752	switch (plane_state->hw.pixel_blend_mode) {
    753	case DRM_MODE_BLEND_PIXEL_NONE:
    754		return PLANE_COLOR_ALPHA_DISABLE;
    755	case DRM_MODE_BLEND_PREMULTI:
    756		return PLANE_COLOR_ALPHA_SW_PREMULTIPLY;
    757	case DRM_MODE_BLEND_COVERAGE:
    758		return PLANE_COLOR_ALPHA_HW_PREMULTIPLY;
    759	default:
    760		MISSING_CASE(plane_state->hw.pixel_blend_mode);
    761		return PLANE_COLOR_ALPHA_DISABLE;
    762	}
    763}
    764
    765static u32 skl_plane_ctl_tiling(u64 fb_modifier)
    766{
    767	switch (fb_modifier) {
    768	case DRM_FORMAT_MOD_LINEAR:
    769		break;
    770	case I915_FORMAT_MOD_X_TILED:
    771		return PLANE_CTL_TILED_X;
    772	case I915_FORMAT_MOD_Y_TILED:
    773		return PLANE_CTL_TILED_Y;
    774	case I915_FORMAT_MOD_4_TILED:
    775		return PLANE_CTL_TILED_4;
    776	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
    777		return PLANE_CTL_TILED_4 |
    778			PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
    779			PLANE_CTL_CLEAR_COLOR_DISABLE;
    780	case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
    781		return PLANE_CTL_TILED_4 |
    782			PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE |
    783			PLANE_CTL_CLEAR_COLOR_DISABLE;
    784	case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC:
    785		return PLANE_CTL_TILED_4 | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
    786	case I915_FORMAT_MOD_Y_TILED_CCS:
    787	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
    788		return PLANE_CTL_TILED_Y | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
    789	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
    790		return PLANE_CTL_TILED_Y |
    791		       PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
    792		       PLANE_CTL_CLEAR_COLOR_DISABLE;
    793	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
    794		return PLANE_CTL_TILED_Y | PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE;
    795	case I915_FORMAT_MOD_Yf_TILED:
    796		return PLANE_CTL_TILED_YF;
    797	case I915_FORMAT_MOD_Yf_TILED_CCS:
    798		return PLANE_CTL_TILED_YF | PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
    799	default:
    800		MISSING_CASE(fb_modifier);
    801	}
    802
    803	return 0;
    804}
    805
    806static u32 skl_plane_ctl_rotate(unsigned int rotate)
    807{
    808	switch (rotate) {
    809	case DRM_MODE_ROTATE_0:
    810		break;
    811	/*
    812	 * DRM_MODE_ROTATE_ is counter clockwise to stay compatible with Xrandr
    813	 * while i915 HW rotation is clockwise, thats why this swapping.
    814	 */
    815	case DRM_MODE_ROTATE_90:
    816		return PLANE_CTL_ROTATE_270;
    817	case DRM_MODE_ROTATE_180:
    818		return PLANE_CTL_ROTATE_180;
    819	case DRM_MODE_ROTATE_270:
    820		return PLANE_CTL_ROTATE_90;
    821	default:
    822		MISSING_CASE(rotate);
    823	}
    824
    825	return 0;
    826}
    827
    828static u32 icl_plane_ctl_flip(unsigned int reflect)
    829{
    830	switch (reflect) {
    831	case 0:
    832		break;
    833	case DRM_MODE_REFLECT_X:
    834		return PLANE_CTL_FLIP_HORIZONTAL;
    835	case DRM_MODE_REFLECT_Y:
    836	default:
    837		MISSING_CASE(reflect);
    838	}
    839
    840	return 0;
    841}
    842
    843static u32 adlp_plane_ctl_arb_slots(const struct intel_plane_state *plane_state)
    844{
    845	const struct drm_framebuffer *fb = plane_state->hw.fb;
    846
    847	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier)) {
    848		switch (fb->format->cpp[0]) {
    849		case 2:
    850			return PLANE_CTL_ARB_SLOTS(1);
    851		default:
    852			return PLANE_CTL_ARB_SLOTS(0);
    853		}
    854	} else {
    855		switch (fb->format->cpp[0]) {
    856		case 8:
    857			return PLANE_CTL_ARB_SLOTS(3);
    858		case 4:
    859			return PLANE_CTL_ARB_SLOTS(1);
    860		default:
    861			return PLANE_CTL_ARB_SLOTS(0);
    862		}
    863	}
    864}
    865
    866static u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
    867{
    868	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
    869	u32 plane_ctl = 0;
    870
    871	if (DISPLAY_VER(dev_priv) >= 10)
    872		return plane_ctl;
    873
    874	if (crtc_state->gamma_enable)
    875		plane_ctl |= PLANE_CTL_PIPE_GAMMA_ENABLE;
    876
    877	if (crtc_state->csc_enable)
    878		plane_ctl |= PLANE_CTL_PIPE_CSC_ENABLE;
    879
    880	return plane_ctl;
    881}
    882
    883static u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
    884			 const struct intel_plane_state *plane_state)
    885{
    886	struct drm_i915_private *dev_priv =
    887		to_i915(plane_state->uapi.plane->dev);
    888	const struct drm_framebuffer *fb = plane_state->hw.fb;
    889	unsigned int rotation = plane_state->hw.rotation;
    890	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
    891	u32 plane_ctl;
    892
    893	plane_ctl = PLANE_CTL_ENABLE;
    894
    895	if (DISPLAY_VER(dev_priv) < 10) {
    896		plane_ctl |= skl_plane_ctl_alpha(plane_state);
    897		plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE;
    898
    899		if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
    900			plane_ctl |= PLANE_CTL_YUV_TO_RGB_CSC_FORMAT_BT709;
    901
    902		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
    903			plane_ctl |= PLANE_CTL_YUV_RANGE_CORRECTION_DISABLE;
    904	}
    905
    906	plane_ctl |= skl_plane_ctl_format(fb->format->format);
    907	plane_ctl |= skl_plane_ctl_tiling(fb->modifier);
    908	plane_ctl |= skl_plane_ctl_rotate(rotation & DRM_MODE_ROTATE_MASK);
    909
    910	if (DISPLAY_VER(dev_priv) >= 11)
    911		plane_ctl |= icl_plane_ctl_flip(rotation &
    912						DRM_MODE_REFLECT_MASK);
    913
    914	if (key->flags & I915_SET_COLORKEY_DESTINATION)
    915		plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION;
    916	else if (key->flags & I915_SET_COLORKEY_SOURCE)
    917		plane_ctl |= PLANE_CTL_KEY_ENABLE_SOURCE;
    918
    919	/* Wa_22012358565:adl-p */
    920	if (DISPLAY_VER(dev_priv) == 13)
    921		plane_ctl |= adlp_plane_ctl_arb_slots(plane_state);
    922
    923	return plane_ctl;
    924}
    925
    926static u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state)
    927{
    928	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
    929	u32 plane_color_ctl = 0;
    930
    931	if (DISPLAY_VER(dev_priv) >= 11)
    932		return plane_color_ctl;
    933
    934	if (crtc_state->gamma_enable)
    935		plane_color_ctl |= PLANE_COLOR_PIPE_GAMMA_ENABLE;
    936
    937	if (crtc_state->csc_enable)
    938		plane_color_ctl |= PLANE_COLOR_PIPE_CSC_ENABLE;
    939
    940	return plane_color_ctl;
    941}
    942
    943static u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
    944			       const struct intel_plane_state *plane_state)
    945{
    946	struct drm_i915_private *dev_priv =
    947		to_i915(plane_state->uapi.plane->dev);
    948	const struct drm_framebuffer *fb = plane_state->hw.fb;
    949	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
    950	u32 plane_color_ctl = 0;
    951
    952	plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE;
    953	plane_color_ctl |= glk_plane_color_ctl_alpha(plane_state);
    954
    955	if (fb->format->is_yuv && !icl_is_hdr_plane(dev_priv, plane->id)) {
    956		switch (plane_state->hw.color_encoding) {
    957		case DRM_COLOR_YCBCR_BT709:
    958			plane_color_ctl |= PLANE_COLOR_CSC_MODE_YUV709_TO_RGB709;
    959			break;
    960		case DRM_COLOR_YCBCR_BT2020:
    961			plane_color_ctl |=
    962				PLANE_COLOR_CSC_MODE_YUV2020_TO_RGB2020;
    963			break;
    964		default:
    965			plane_color_ctl |=
    966				PLANE_COLOR_CSC_MODE_YUV601_TO_RGB601;
    967		}
    968		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
    969			plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE;
    970	} else if (fb->format->is_yuv) {
    971		plane_color_ctl |= PLANE_COLOR_INPUT_CSC_ENABLE;
    972		if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
    973			plane_color_ctl |= PLANE_COLOR_YUV_RANGE_CORRECTION_DISABLE;
    974	}
    975
    976	if (plane_state->force_black)
    977		plane_color_ctl |= PLANE_COLOR_PLANE_CSC_ENABLE;
    978
    979	return plane_color_ctl;
    980}
    981
    982static u32 skl_surf_address(const struct intel_plane_state *plane_state,
    983			    int color_plane)
    984{
    985	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
    986	const struct drm_framebuffer *fb = plane_state->hw.fb;
    987	u32 offset = plane_state->view.color_plane[color_plane].offset;
    988
    989	if (intel_fb_uses_dpt(fb)) {
    990		/*
    991		 * The DPT object contains only one vma, so the VMA's offset
    992		 * within the DPT is always 0.
    993		 */
    994		drm_WARN_ON(&i915->drm, plane_state->dpt_vma->node.start);
    995		drm_WARN_ON(&i915->drm, offset & 0x1fffff);
    996		return offset >> 9;
    997	} else {
    998		drm_WARN_ON(&i915->drm, offset & 0xfff);
    999		return offset;
   1000	}
   1001}
   1002
   1003static u32 skl_plane_surf(const struct intel_plane_state *plane_state,
   1004			  int color_plane)
   1005{
   1006	u32 plane_surf;
   1007
   1008	plane_surf = intel_plane_ggtt_offset(plane_state) +
   1009		skl_surf_address(plane_state, color_plane);
   1010
   1011	if (plane_state->decrypt)
   1012		plane_surf |= PLANE_SURF_DECRYPT;
   1013
   1014	return plane_surf;
   1015}
   1016
   1017static u32 skl_plane_aux_dist(const struct intel_plane_state *plane_state,
   1018			      int color_plane)
   1019{
   1020	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
   1021	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1022	int aux_plane = skl_main_to_aux_plane(fb, color_plane);
   1023	u32 aux_dist;
   1024
   1025	if (!aux_plane)
   1026		return 0;
   1027
   1028	aux_dist = skl_surf_address(plane_state, aux_plane) -
   1029		skl_surf_address(plane_state, color_plane);
   1030
   1031	if (DISPLAY_VER(i915) < 12)
   1032		aux_dist |= PLANE_AUX_STRIDE(skl_plane_stride(plane_state, aux_plane));
   1033
   1034	return aux_dist;
   1035}
   1036
   1037static u32 skl_plane_keyval(const struct intel_plane_state *plane_state)
   1038{
   1039	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
   1040
   1041	return key->min_value;
   1042}
   1043
   1044static u32 skl_plane_keymax(const struct intel_plane_state *plane_state)
   1045{
   1046	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
   1047	u8 alpha = plane_state->hw.alpha >> 8;
   1048
   1049	return (key->max_value & 0xffffff) | PLANE_KEYMAX_ALPHA(alpha);
   1050}
   1051
   1052static u32 skl_plane_keymsk(const struct intel_plane_state *plane_state)
   1053{
   1054	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
   1055	u8 alpha = plane_state->hw.alpha >> 8;
   1056	u32 keymsk;
   1057
   1058	keymsk = key->channel_mask & 0x7ffffff;
   1059	if (alpha < 0xff)
   1060		keymsk |= PLANE_KEYMSK_ALPHA_ENABLE;
   1061
   1062	return keymsk;
   1063}
   1064
   1065static void icl_plane_csc_load_black(struct intel_plane *plane)
   1066{
   1067	struct drm_i915_private *i915 = to_i915(plane->base.dev);
   1068	enum plane_id plane_id = plane->id;
   1069	enum pipe pipe = plane->pipe;
   1070
   1071	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 0), 0);
   1072	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 1), 0);
   1073
   1074	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 2), 0);
   1075	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 3), 0);
   1076
   1077	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 4), 0);
   1078	intel_de_write_fw(i915, PLANE_CSC_COEFF(pipe, plane_id, 5), 0);
   1079
   1080	intel_de_write_fw(i915, PLANE_CSC_PREOFF(pipe, plane_id, 0), 0);
   1081	intel_de_write_fw(i915, PLANE_CSC_PREOFF(pipe, plane_id, 1), 0);
   1082	intel_de_write_fw(i915, PLANE_CSC_PREOFF(pipe, plane_id, 2), 0);
   1083
   1084	intel_de_write_fw(i915, PLANE_CSC_POSTOFF(pipe, plane_id, 0), 0);
   1085	intel_de_write_fw(i915, PLANE_CSC_POSTOFF(pipe, plane_id, 1), 0);
   1086	intel_de_write_fw(i915, PLANE_CSC_POSTOFF(pipe, plane_id, 2), 0);
   1087}
   1088
   1089static int icl_plane_color_plane(const struct intel_plane_state *plane_state)
   1090{
   1091	/* Program the UV plane on planar master */
   1092	if (plane_state->planar_linked_plane && !plane_state->planar_slave)
   1093		return 1;
   1094	else
   1095		return 0;
   1096}
   1097
   1098static void
   1099skl_plane_update_noarm(struct intel_plane *plane,
   1100		       const struct intel_crtc_state *crtc_state,
   1101		       const struct intel_plane_state *plane_state)
   1102{
   1103	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1104	enum plane_id plane_id = plane->id;
   1105	enum pipe pipe = plane->pipe;
   1106	u32 stride = skl_plane_stride(plane_state, 0);
   1107	int crtc_x = plane_state->uapi.dst.x1;
   1108	int crtc_y = plane_state->uapi.dst.y1;
   1109	u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
   1110	u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
   1111
   1112	/* The scaler will handle the output position */
   1113	if (plane_state->scaler_id >= 0) {
   1114		crtc_x = 0;
   1115		crtc_y = 0;
   1116	}
   1117
   1118	intel_de_write_fw(dev_priv, PLANE_STRIDE(pipe, plane_id),
   1119			  PLANE_STRIDE_(stride));
   1120	intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id),
   1121			  PLANE_POS_Y(crtc_y) | PLANE_POS_X(crtc_x));
   1122	intel_de_write_fw(dev_priv, PLANE_SIZE(pipe, plane_id),
   1123			  PLANE_HEIGHT(src_h - 1) | PLANE_WIDTH(src_w - 1));
   1124
   1125	skl_write_plane_wm(plane, crtc_state);
   1126}
   1127
   1128static void
   1129skl_plane_update_arm(struct intel_plane *plane,
   1130		     const struct intel_crtc_state *crtc_state,
   1131		     const struct intel_plane_state *plane_state)
   1132{
   1133	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1134	enum plane_id plane_id = plane->id;
   1135	enum pipe pipe = plane->pipe;
   1136	u32 x = plane_state->view.color_plane[0].x;
   1137	u32 y = plane_state->view.color_plane[0].y;
   1138	u32 plane_ctl, plane_color_ctl = 0;
   1139
   1140	plane_ctl = plane_state->ctl |
   1141		skl_plane_ctl_crtc(crtc_state);
   1142
   1143	if (DISPLAY_VER(dev_priv) >= 10)
   1144		plane_color_ctl = plane_state->color_ctl |
   1145			glk_plane_color_ctl_crtc(crtc_state);
   1146
   1147	intel_de_write_fw(dev_priv, PLANE_KEYVAL(pipe, plane_id), skl_plane_keyval(plane_state));
   1148	intel_de_write_fw(dev_priv, PLANE_KEYMSK(pipe, plane_id), skl_plane_keymsk(plane_state));
   1149	intel_de_write_fw(dev_priv, PLANE_KEYMAX(pipe, plane_id), skl_plane_keymax(plane_state));
   1150
   1151	intel_de_write_fw(dev_priv, PLANE_OFFSET(pipe, plane_id),
   1152			  PLANE_OFFSET_Y(y) | PLANE_OFFSET_X(x));
   1153
   1154	intel_de_write_fw(dev_priv, PLANE_AUX_DIST(pipe, plane_id),
   1155			  skl_plane_aux_dist(plane_state, 0));
   1156
   1157	intel_de_write_fw(dev_priv, PLANE_AUX_OFFSET(pipe, plane_id),
   1158			  PLANE_OFFSET_Y(plane_state->view.color_plane[1].y) |
   1159			  PLANE_OFFSET_X(plane_state->view.color_plane[1].x));
   1160
   1161	if (DISPLAY_VER(dev_priv) >= 10)
   1162		intel_de_write_fw(dev_priv, PLANE_COLOR_CTL(pipe, plane_id), plane_color_ctl);
   1163
   1164	/*
   1165	 * Enable the scaler before the plane so that we don't
   1166	 * get a catastrophic underrun even if the two operations
   1167	 * end up happening in two different frames.
   1168	 *
   1169	 * TODO: split into noarm+arm pair
   1170	 */
   1171	if (plane_state->scaler_id >= 0)
   1172		skl_program_plane_scaler(plane, crtc_state, plane_state);
   1173
   1174	/*
   1175	 * The control register self-arms if the plane was previously
   1176	 * disabled. Try to make the plane enable atomic by writing
   1177	 * the control register just before the surface register.
   1178	 */
   1179	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
   1180	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
   1181			  skl_plane_surf(plane_state, 0));
   1182}
   1183
   1184static void
   1185icl_plane_update_noarm(struct intel_plane *plane,
   1186		       const struct intel_crtc_state *crtc_state,
   1187		       const struct intel_plane_state *plane_state)
   1188{
   1189	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1190	enum plane_id plane_id = plane->id;
   1191	enum pipe pipe = plane->pipe;
   1192	int color_plane = icl_plane_color_plane(plane_state);
   1193	u32 stride = skl_plane_stride(plane_state, color_plane);
   1194	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1195	int crtc_x = plane_state->uapi.dst.x1;
   1196	int crtc_y = plane_state->uapi.dst.y1;
   1197	int x = plane_state->view.color_plane[color_plane].x;
   1198	int y = plane_state->view.color_plane[color_plane].y;
   1199	int src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
   1200	int src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
   1201	u32 plane_color_ctl;
   1202
   1203	plane_color_ctl = plane_state->color_ctl |
   1204		glk_plane_color_ctl_crtc(crtc_state);
   1205
   1206	/* The scaler will handle the output position */
   1207	if (plane_state->scaler_id >= 0) {
   1208		crtc_x = 0;
   1209		crtc_y = 0;
   1210	}
   1211
   1212	intel_de_write_fw(dev_priv, PLANE_STRIDE(pipe, plane_id),
   1213			  PLANE_STRIDE_(stride));
   1214	intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id),
   1215			  PLANE_POS_Y(crtc_y) | PLANE_POS_X(crtc_x));
   1216	intel_de_write_fw(dev_priv, PLANE_SIZE(pipe, plane_id),
   1217			  PLANE_HEIGHT(src_h - 1) | PLANE_WIDTH(src_w - 1));
   1218
   1219	intel_de_write_fw(dev_priv, PLANE_KEYVAL(pipe, plane_id), skl_plane_keyval(plane_state));
   1220	intel_de_write_fw(dev_priv, PLANE_KEYMSK(pipe, plane_id), skl_plane_keymsk(plane_state));
   1221	intel_de_write_fw(dev_priv, PLANE_KEYMAX(pipe, plane_id), skl_plane_keymax(plane_state));
   1222
   1223	intel_de_write_fw(dev_priv, PLANE_OFFSET(pipe, plane_id),
   1224			  PLANE_OFFSET_Y(y) | PLANE_OFFSET_X(x));
   1225
   1226	if (intel_fb_is_rc_ccs_cc_modifier(fb->modifier)) {
   1227		intel_de_write_fw(dev_priv, PLANE_CC_VAL(pipe, plane_id, 0),
   1228				  lower_32_bits(plane_state->ccval));
   1229		intel_de_write_fw(dev_priv, PLANE_CC_VAL(pipe, plane_id, 1),
   1230				  upper_32_bits(plane_state->ccval));
   1231	}
   1232
   1233	/* FLAT CCS doesn't need to program AUX_DIST */
   1234	if (!HAS_FLAT_CCS(dev_priv))
   1235		intel_de_write_fw(dev_priv, PLANE_AUX_DIST(pipe, plane_id),
   1236				  skl_plane_aux_dist(plane_state, color_plane));
   1237
   1238	if (icl_is_hdr_plane(dev_priv, plane_id))
   1239		intel_de_write_fw(dev_priv, PLANE_CUS_CTL(pipe, plane_id),
   1240				  plane_state->cus_ctl);
   1241
   1242	intel_de_write_fw(dev_priv, PLANE_COLOR_CTL(pipe, plane_id), plane_color_ctl);
   1243
   1244	if (fb->format->is_yuv && icl_is_hdr_plane(dev_priv, plane_id))
   1245		icl_program_input_csc(plane, crtc_state, plane_state);
   1246
   1247	skl_write_plane_wm(plane, crtc_state);
   1248
   1249	/*
   1250	 * FIXME: pxp session invalidation can hit any time even at time of commit
   1251	 * or after the commit, display content will be garbage.
   1252	 */
   1253	if (plane_state->force_black)
   1254		icl_plane_csc_load_black(plane);
   1255
   1256	intel_psr2_program_plane_sel_fetch(plane, crtc_state, plane_state, color_plane);
   1257}
   1258
   1259static void
   1260icl_plane_update_arm(struct intel_plane *plane,
   1261		     const struct intel_crtc_state *crtc_state,
   1262		     const struct intel_plane_state *plane_state)
   1263{
   1264	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1265	enum plane_id plane_id = plane->id;
   1266	enum pipe pipe = plane->pipe;
   1267	int color_plane = icl_plane_color_plane(plane_state);
   1268	u32 plane_ctl;
   1269
   1270	plane_ctl = plane_state->ctl |
   1271		skl_plane_ctl_crtc(crtc_state);
   1272
   1273	/*
   1274	 * Enable the scaler before the plane so that we don't
   1275	 * get a catastrophic underrun even if the two operations
   1276	 * end up happening in two different frames.
   1277	 *
   1278	 * TODO: split into noarm+arm pair
   1279	 */
   1280	if (plane_state->scaler_id >= 0)
   1281		skl_program_plane_scaler(plane, crtc_state, plane_state);
   1282
   1283	/*
   1284	 * The control register self-arms if the plane was previously
   1285	 * disabled. Try to make the plane enable atomic by writing
   1286	 * the control register just before the surface register.
   1287	 */
   1288	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
   1289	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
   1290			  skl_plane_surf(plane_state, color_plane));
   1291}
   1292
   1293static void
   1294skl_plane_async_flip(struct intel_plane *plane,
   1295		     const struct intel_crtc_state *crtc_state,
   1296		     const struct intel_plane_state *plane_state,
   1297		     bool async_flip)
   1298{
   1299	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1300	enum plane_id plane_id = plane->id;
   1301	enum pipe pipe = plane->pipe;
   1302	u32 plane_ctl = plane_state->ctl;
   1303
   1304	plane_ctl |= skl_plane_ctl_crtc(crtc_state);
   1305
   1306	if (async_flip)
   1307		plane_ctl |= PLANE_CTL_ASYNC_FLIP;
   1308
   1309	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);
   1310	intel_de_write_fw(dev_priv, PLANE_SURF(pipe, plane_id),
   1311			  skl_plane_surf(plane_state, 0));
   1312}
   1313
   1314static bool intel_format_is_p01x(u32 format)
   1315{
   1316	switch (format) {
   1317	case DRM_FORMAT_P010:
   1318	case DRM_FORMAT_P012:
   1319	case DRM_FORMAT_P016:
   1320		return true;
   1321	default:
   1322		return false;
   1323	}
   1324}
   1325
   1326static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
   1327			      const struct intel_plane_state *plane_state)
   1328{
   1329	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
   1330	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1331	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1332	unsigned int rotation = plane_state->hw.rotation;
   1333
   1334	if (!fb)
   1335		return 0;
   1336
   1337	if (rotation & ~(DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180) &&
   1338	    intel_fb_is_ccs_modifier(fb->modifier)) {
   1339		drm_dbg_kms(&dev_priv->drm,
   1340			    "RC support only with 0/180 degree rotation (%x)\n",
   1341			    rotation);
   1342		return -EINVAL;
   1343	}
   1344
   1345	if (rotation & DRM_MODE_REFLECT_X &&
   1346	    fb->modifier == DRM_FORMAT_MOD_LINEAR) {
   1347		drm_dbg_kms(&dev_priv->drm,
   1348			    "horizontal flip is not supported with linear surface formats\n");
   1349		return -EINVAL;
   1350	}
   1351
   1352	if (drm_rotation_90_or_270(rotation)) {
   1353		if (!intel_fb_supports_90_270_rotation(to_intel_framebuffer(fb))) {
   1354			drm_dbg_kms(&dev_priv->drm,
   1355				    "Y/Yf tiling required for 90/270!\n");
   1356			return -EINVAL;
   1357		}
   1358
   1359		/*
   1360		 * 90/270 is not allowed with RGB64 16:16:16:16 and
   1361		 * Indexed 8-bit. RGB 16-bit 5:6:5 is allowed gen11 onwards.
   1362		 */
   1363		switch (fb->format->format) {
   1364		case DRM_FORMAT_RGB565:
   1365			if (DISPLAY_VER(dev_priv) >= 11)
   1366				break;
   1367			fallthrough;
   1368		case DRM_FORMAT_C8:
   1369		case DRM_FORMAT_XRGB16161616F:
   1370		case DRM_FORMAT_XBGR16161616F:
   1371		case DRM_FORMAT_ARGB16161616F:
   1372		case DRM_FORMAT_ABGR16161616F:
   1373		case DRM_FORMAT_Y210:
   1374		case DRM_FORMAT_Y212:
   1375		case DRM_FORMAT_Y216:
   1376		case DRM_FORMAT_XVYU12_16161616:
   1377		case DRM_FORMAT_XVYU16161616:
   1378			drm_dbg_kms(&dev_priv->drm,
   1379				    "Unsupported pixel format %p4cc for 90/270!\n",
   1380				    &fb->format->format);
   1381			return -EINVAL;
   1382		default:
   1383			break;
   1384		}
   1385	}
   1386
   1387	/* Y-tiling is not supported in IF-ID Interlace mode */
   1388	if (crtc_state->hw.enable &&
   1389	    crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE &&
   1390	    fb->modifier != DRM_FORMAT_MOD_LINEAR &&
   1391	    fb->modifier != I915_FORMAT_MOD_X_TILED) {
   1392		drm_dbg_kms(&dev_priv->drm,
   1393			    "Y/Yf tiling not supported in IF-ID mode\n");
   1394		return -EINVAL;
   1395	}
   1396
   1397	/* Wa_1606054188:tgl,adl-s */
   1398	if ((IS_ALDERLAKE_S(dev_priv) || IS_TIGERLAKE(dev_priv)) &&
   1399	    plane_state->ckey.flags & I915_SET_COLORKEY_SOURCE &&
   1400	    intel_format_is_p01x(fb->format->format)) {
   1401		drm_dbg_kms(&dev_priv->drm,
   1402			    "Source color keying not supported with P01x formats\n");
   1403		return -EINVAL;
   1404	}
   1405
   1406	return 0;
   1407}
   1408
   1409static int skl_plane_check_dst_coordinates(const struct intel_crtc_state *crtc_state,
   1410					   const struct intel_plane_state *plane_state)
   1411{
   1412	struct drm_i915_private *dev_priv =
   1413		to_i915(plane_state->uapi.plane->dev);
   1414	int crtc_x = plane_state->uapi.dst.x1;
   1415	int crtc_w = drm_rect_width(&plane_state->uapi.dst);
   1416	int pipe_src_w = drm_rect_width(&crtc_state->pipe_src);
   1417
   1418	/*
   1419	 * Display WA #1175: glk
   1420	 * Planes other than the cursor may cause FIFO underflow and display
   1421	 * corruption if starting less than 4 pixels from the right edge of
   1422	 * the screen.
   1423	 * Besides the above WA fix the similar problem, where planes other
   1424	 * than the cursor ending less than 4 pixels from the left edge of the
   1425	 * screen may cause FIFO underflow and display corruption.
   1426	 */
   1427	if (DISPLAY_VER(dev_priv) == 10 &&
   1428	    (crtc_x + crtc_w < 4 || crtc_x > pipe_src_w - 4)) {
   1429		drm_dbg_kms(&dev_priv->drm,
   1430			    "requested plane X %s position %d invalid (valid range %d-%d)\n",
   1431			    crtc_x + crtc_w < 4 ? "end" : "start",
   1432			    crtc_x + crtc_w < 4 ? crtc_x + crtc_w : crtc_x,
   1433			    4, pipe_src_w - 4);
   1434		return -ERANGE;
   1435	}
   1436
   1437	return 0;
   1438}
   1439
   1440static int skl_plane_check_nv12_rotation(const struct intel_plane_state *plane_state)
   1441{
   1442	struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev);
   1443	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1444	unsigned int rotation = plane_state->hw.rotation;
   1445	int src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
   1446
   1447	/* Display WA #1106 */
   1448	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
   1449	    src_w & 3 &&
   1450	    (rotation == DRM_MODE_ROTATE_270 ||
   1451	     rotation == (DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90))) {
   1452		drm_dbg_kms(&i915->drm, "src width must be multiple of 4 for rotated planar YUV\n");
   1453		return -EINVAL;
   1454	}
   1455
   1456	return 0;
   1457}
   1458
   1459static int skl_plane_max_scale(struct drm_i915_private *dev_priv,
   1460			       const struct drm_framebuffer *fb)
   1461{
   1462	/*
   1463	 * We don't yet know the final source width nor
   1464	 * whether we can use the HQ scaler mode. Assume
   1465	 * the best case.
   1466	 * FIXME need to properly check this later.
   1467	 */
   1468	if (DISPLAY_VER(dev_priv) >= 10 ||
   1469	    !intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
   1470		return 0x30000 - 1;
   1471	else
   1472		return 0x20000 - 1;
   1473}
   1474
   1475static int intel_plane_min_width(struct intel_plane *plane,
   1476				 const struct drm_framebuffer *fb,
   1477				 int color_plane,
   1478				 unsigned int rotation)
   1479{
   1480	if (plane->min_width)
   1481		return plane->min_width(fb, color_plane, rotation);
   1482	else
   1483		return 1;
   1484}
   1485
   1486static int intel_plane_max_width(struct intel_plane *plane,
   1487				 const struct drm_framebuffer *fb,
   1488				 int color_plane,
   1489				 unsigned int rotation)
   1490{
   1491	if (plane->max_width)
   1492		return plane->max_width(fb, color_plane, rotation);
   1493	else
   1494		return INT_MAX;
   1495}
   1496
   1497static int intel_plane_max_height(struct intel_plane *plane,
   1498				  const struct drm_framebuffer *fb,
   1499				  int color_plane,
   1500				  unsigned int rotation)
   1501{
   1502	if (plane->max_height)
   1503		return plane->max_height(fb, color_plane, rotation);
   1504	else
   1505		return INT_MAX;
   1506}
   1507
   1508static bool
   1509skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state,
   1510			       int main_x, int main_y, u32 main_offset,
   1511			       int ccs_plane)
   1512{
   1513	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1514	int aux_x = plane_state->view.color_plane[ccs_plane].x;
   1515	int aux_y = plane_state->view.color_plane[ccs_plane].y;
   1516	u32 aux_offset = plane_state->view.color_plane[ccs_plane].offset;
   1517	u32 alignment = intel_surf_alignment(fb, ccs_plane);
   1518	int hsub;
   1519	int vsub;
   1520
   1521	intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane);
   1522	while (aux_offset >= main_offset && aux_y <= main_y) {
   1523		int x, y;
   1524
   1525		if (aux_x == main_x && aux_y == main_y)
   1526			break;
   1527
   1528		if (aux_offset == 0)
   1529			break;
   1530
   1531		x = aux_x / hsub;
   1532		y = aux_y / vsub;
   1533		aux_offset = intel_plane_adjust_aligned_offset(&x, &y,
   1534							       plane_state,
   1535							       ccs_plane,
   1536							       aux_offset,
   1537							       aux_offset -
   1538								alignment);
   1539		aux_x = x * hsub + aux_x % hsub;
   1540		aux_y = y * vsub + aux_y % vsub;
   1541	}
   1542
   1543	if (aux_x != main_x || aux_y != main_y)
   1544		return false;
   1545
   1546	plane_state->view.color_plane[ccs_plane].offset = aux_offset;
   1547	plane_state->view.color_plane[ccs_plane].x = aux_x;
   1548	plane_state->view.color_plane[ccs_plane].y = aux_y;
   1549
   1550	return true;
   1551}
   1552
   1553
   1554int skl_calc_main_surface_offset(const struct intel_plane_state *plane_state,
   1555				 int *x, int *y, u32 *offset)
   1556{
   1557	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
   1558	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1559	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1560	const int aux_plane = skl_main_to_aux_plane(fb, 0);
   1561	const u32 aux_offset = plane_state->view.color_plane[aux_plane].offset;
   1562	const u32 alignment = intel_surf_alignment(fb, 0);
   1563	const int w = drm_rect_width(&plane_state->uapi.src) >> 16;
   1564
   1565	intel_add_fb_offsets(x, y, plane_state, 0);
   1566	*offset = intel_plane_compute_aligned_offset(x, y, plane_state, 0);
   1567	if (drm_WARN_ON(&dev_priv->drm, alignment && !is_power_of_2(alignment)))
   1568		return -EINVAL;
   1569
   1570	/*
   1571	 * AUX surface offset is specified as the distance from the
   1572	 * main surface offset, and it must be non-negative. Make
   1573	 * sure that is what we will get.
   1574	 */
   1575	if (aux_plane && *offset > aux_offset)
   1576		*offset = intel_plane_adjust_aligned_offset(x, y, plane_state, 0,
   1577							    *offset,
   1578							    aux_offset & ~(alignment - 1));
   1579
   1580	/*
   1581	 * When using an X-tiled surface, the plane blows up
   1582	 * if the x offset + width exceed the stride.
   1583	 *
   1584	 * TODO: linear and Y-tiled seem fine, Yf untested,
   1585	 */
   1586	if (fb->modifier == I915_FORMAT_MOD_X_TILED) {
   1587		int cpp = fb->format->cpp[0];
   1588
   1589		while ((*x + w) * cpp > plane_state->view.color_plane[0].mapping_stride) {
   1590			if (*offset == 0) {
   1591				drm_dbg_kms(&dev_priv->drm,
   1592					    "Unable to find suitable display surface offset due to X-tiling\n");
   1593				return -EINVAL;
   1594			}
   1595
   1596			*offset = intel_plane_adjust_aligned_offset(x, y, plane_state, 0,
   1597								    *offset,
   1598								    *offset - alignment);
   1599		}
   1600	}
   1601
   1602	return 0;
   1603}
   1604
   1605static int skl_check_main_surface(struct intel_plane_state *plane_state)
   1606{
   1607	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
   1608	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1609	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1610	const unsigned int rotation = plane_state->hw.rotation;
   1611	int x = plane_state->uapi.src.x1 >> 16;
   1612	int y = plane_state->uapi.src.y1 >> 16;
   1613	const int w = drm_rect_width(&plane_state->uapi.src) >> 16;
   1614	const int h = drm_rect_height(&plane_state->uapi.src) >> 16;
   1615	const int min_width = intel_plane_min_width(plane, fb, 0, rotation);
   1616	const int max_width = intel_plane_max_width(plane, fb, 0, rotation);
   1617	const int max_height = intel_plane_max_height(plane, fb, 0, rotation);
   1618	const int aux_plane = skl_main_to_aux_plane(fb, 0);
   1619	const u32 alignment = intel_surf_alignment(fb, 0);
   1620	u32 offset;
   1621	int ret;
   1622
   1623	if (w > max_width || w < min_width || h > max_height) {
   1624		drm_dbg_kms(&dev_priv->drm,
   1625			    "requested Y/RGB source size %dx%d outside limits (min: %dx1 max: %dx%d)\n",
   1626			    w, h, min_width, max_width, max_height);
   1627		return -EINVAL;
   1628	}
   1629
   1630	ret = skl_calc_main_surface_offset(plane_state, &x, &y, &offset);
   1631	if (ret)
   1632		return ret;
   1633
   1634	/*
   1635	 * CCS AUX surface doesn't have its own x/y offsets, we must make sure
   1636	 * they match with the main surface x/y offsets. On DG2
   1637	 * there's no aux plane on fb so skip this checking.
   1638	 */
   1639	if (intel_fb_is_ccs_modifier(fb->modifier) && aux_plane) {
   1640		while (!skl_check_main_ccs_coordinates(plane_state, x, y,
   1641						       offset, aux_plane)) {
   1642			if (offset == 0)
   1643				break;
   1644
   1645			offset = intel_plane_adjust_aligned_offset(&x, &y, plane_state, 0,
   1646								   offset, offset - alignment);
   1647		}
   1648
   1649		if (x != plane_state->view.color_plane[aux_plane].x ||
   1650		    y != plane_state->view.color_plane[aux_plane].y) {
   1651			drm_dbg_kms(&dev_priv->drm,
   1652				    "Unable to find suitable display surface offset due to CCS\n");
   1653			return -EINVAL;
   1654		}
   1655	}
   1656
   1657	if (DISPLAY_VER(dev_priv) >= 13)
   1658		drm_WARN_ON(&dev_priv->drm, x > 65535 || y > 65535);
   1659	else
   1660		drm_WARN_ON(&dev_priv->drm, x > 8191 || y > 8191);
   1661
   1662	plane_state->view.color_plane[0].offset = offset;
   1663	plane_state->view.color_plane[0].x = x;
   1664	plane_state->view.color_plane[0].y = y;
   1665
   1666	/*
   1667	 * Put the final coordinates back so that the src
   1668	 * coordinate checks will see the right values.
   1669	 */
   1670	drm_rect_translate_to(&plane_state->uapi.src,
   1671			      x << 16, y << 16);
   1672
   1673	return 0;
   1674}
   1675
   1676static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
   1677{
   1678	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
   1679	struct drm_i915_private *i915 = to_i915(plane->base.dev);
   1680	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1681	unsigned int rotation = plane_state->hw.rotation;
   1682	int uv_plane = 1;
   1683	int ccs_plane = intel_fb_is_ccs_modifier(fb->modifier) ?
   1684			skl_main_to_aux_plane(fb, uv_plane) : 0;
   1685	int max_width = intel_plane_max_width(plane, fb, uv_plane, rotation);
   1686	int max_height = intel_plane_max_height(plane, fb, uv_plane, rotation);
   1687	int x = plane_state->uapi.src.x1 >> 17;
   1688	int y = plane_state->uapi.src.y1 >> 17;
   1689	int w = drm_rect_width(&plane_state->uapi.src) >> 17;
   1690	int h = drm_rect_height(&plane_state->uapi.src) >> 17;
   1691	u32 offset;
   1692
   1693	/* FIXME not quite sure how/if these apply to the chroma plane */
   1694	if (w > max_width || h > max_height) {
   1695		drm_dbg_kms(&i915->drm,
   1696			    "CbCr source size %dx%d too big (limit %dx%d)\n",
   1697			    w, h, max_width, max_height);
   1698		return -EINVAL;
   1699	}
   1700
   1701	intel_add_fb_offsets(&x, &y, plane_state, uv_plane);
   1702	offset = intel_plane_compute_aligned_offset(&x, &y,
   1703						    plane_state, uv_plane);
   1704
   1705	if (ccs_plane) {
   1706		u32 aux_offset = plane_state->view.color_plane[ccs_plane].offset;
   1707		u32 alignment = intel_surf_alignment(fb, uv_plane);
   1708
   1709		if (offset > aux_offset)
   1710			offset = intel_plane_adjust_aligned_offset(&x, &y,
   1711								   plane_state,
   1712								   uv_plane,
   1713								   offset,
   1714								   aux_offset & ~(alignment - 1));
   1715
   1716		while (!skl_check_main_ccs_coordinates(plane_state, x, y,
   1717						       offset, ccs_plane)) {
   1718			if (offset == 0)
   1719				break;
   1720
   1721			offset = intel_plane_adjust_aligned_offset(&x, &y,
   1722								   plane_state,
   1723								   uv_plane,
   1724								   offset, offset - alignment);
   1725		}
   1726
   1727		if (x != plane_state->view.color_plane[ccs_plane].x ||
   1728		    y != plane_state->view.color_plane[ccs_plane].y) {
   1729			drm_dbg_kms(&i915->drm,
   1730				    "Unable to find suitable display surface offset due to CCS\n");
   1731			return -EINVAL;
   1732		}
   1733	}
   1734
   1735	if (DISPLAY_VER(i915) >= 13)
   1736		drm_WARN_ON(&i915->drm, x > 65535 || y > 65535);
   1737	else
   1738		drm_WARN_ON(&i915->drm, x > 8191 || y > 8191);
   1739
   1740	plane_state->view.color_plane[uv_plane].offset = offset;
   1741	plane_state->view.color_plane[uv_plane].x = x;
   1742	plane_state->view.color_plane[uv_plane].y = y;
   1743
   1744	return 0;
   1745}
   1746
   1747static int skl_check_ccs_aux_surface(struct intel_plane_state *plane_state)
   1748{
   1749	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1750	int src_x = plane_state->uapi.src.x1 >> 16;
   1751	int src_y = plane_state->uapi.src.y1 >> 16;
   1752	u32 offset;
   1753	int ccs_plane;
   1754
   1755	for (ccs_plane = 0; ccs_plane < fb->format->num_planes; ccs_plane++) {
   1756		int main_hsub, main_vsub;
   1757		int hsub, vsub;
   1758		int x, y;
   1759
   1760		if (!intel_fb_is_ccs_aux_plane(fb, ccs_plane))
   1761			continue;
   1762
   1763		intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, fb,
   1764					       skl_ccs_to_main_plane(fb, ccs_plane));
   1765		intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane);
   1766
   1767		hsub *= main_hsub;
   1768		vsub *= main_vsub;
   1769		x = src_x / hsub;
   1770		y = src_y / vsub;
   1771
   1772		intel_add_fb_offsets(&x, &y, plane_state, ccs_plane);
   1773
   1774		offset = intel_plane_compute_aligned_offset(&x, &y,
   1775							    plane_state,
   1776							    ccs_plane);
   1777
   1778		plane_state->view.color_plane[ccs_plane].offset = offset;
   1779		plane_state->view.color_plane[ccs_plane].x = (x * hsub + src_x % hsub) / main_hsub;
   1780		plane_state->view.color_plane[ccs_plane].y = (y * vsub + src_y % vsub) / main_vsub;
   1781	}
   1782
   1783	return 0;
   1784}
   1785
   1786static int skl_check_plane_surface(struct intel_plane_state *plane_state)
   1787{
   1788	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1789	int ret;
   1790
   1791	ret = intel_plane_compute_gtt(plane_state);
   1792	if (ret)
   1793		return ret;
   1794
   1795	if (!plane_state->uapi.visible)
   1796		return 0;
   1797
   1798	/*
   1799	 * Handle the AUX surface first since the main surface setup depends on
   1800	 * it.
   1801	 */
   1802	if (intel_fb_is_ccs_modifier(fb->modifier)) {
   1803		ret = skl_check_ccs_aux_surface(plane_state);
   1804		if (ret)
   1805			return ret;
   1806	}
   1807
   1808	if (intel_format_info_is_yuv_semiplanar(fb->format,
   1809						fb->modifier)) {
   1810		ret = skl_check_nv12_aux_surface(plane_state);
   1811		if (ret)
   1812			return ret;
   1813	}
   1814
   1815	ret = skl_check_main_surface(plane_state);
   1816	if (ret)
   1817		return ret;
   1818
   1819	return 0;
   1820}
   1821
   1822static bool skl_fb_scalable(const struct drm_framebuffer *fb)
   1823{
   1824	if (!fb)
   1825		return false;
   1826
   1827	switch (fb->format->format) {
   1828	case DRM_FORMAT_C8:
   1829		return false;
   1830	case DRM_FORMAT_XRGB16161616F:
   1831	case DRM_FORMAT_ARGB16161616F:
   1832	case DRM_FORMAT_XBGR16161616F:
   1833	case DRM_FORMAT_ABGR16161616F:
   1834		return DISPLAY_VER(to_i915(fb->dev)) >= 11;
   1835	default:
   1836		return true;
   1837	}
   1838}
   1839
   1840static bool bo_has_valid_encryption(struct drm_i915_gem_object *obj)
   1841{
   1842	struct drm_i915_private *i915 = to_i915(obj->base.dev);
   1843
   1844	return intel_pxp_key_check(&to_gt(i915)->pxp, obj, false) == 0;
   1845}
   1846
   1847static bool pxp_is_borked(struct drm_i915_gem_object *obj)
   1848{
   1849	return i915_gem_object_is_protected(obj) && !bo_has_valid_encryption(obj);
   1850}
   1851
   1852static int skl_plane_check(struct intel_crtc_state *crtc_state,
   1853			   struct intel_plane_state *plane_state)
   1854{
   1855	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
   1856	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
   1857	const struct drm_framebuffer *fb = plane_state->hw.fb;
   1858	int min_scale = DRM_PLANE_HELPER_NO_SCALING;
   1859	int max_scale = DRM_PLANE_HELPER_NO_SCALING;
   1860	int ret;
   1861
   1862	ret = skl_plane_check_fb(crtc_state, plane_state);
   1863	if (ret)
   1864		return ret;
   1865
   1866	/* use scaler when colorkey is not required */
   1867	if (!plane_state->ckey.flags && skl_fb_scalable(fb)) {
   1868		min_scale = 1;
   1869		max_scale = skl_plane_max_scale(dev_priv, fb);
   1870	}
   1871
   1872	ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
   1873						min_scale, max_scale, true);
   1874	if (ret)
   1875		return ret;
   1876
   1877	ret = skl_check_plane_surface(plane_state);
   1878	if (ret)
   1879		return ret;
   1880
   1881	if (!plane_state->uapi.visible)
   1882		return 0;
   1883
   1884	ret = skl_plane_check_dst_coordinates(crtc_state, plane_state);
   1885	if (ret)
   1886		return ret;
   1887
   1888	ret = intel_plane_check_src_coordinates(plane_state);
   1889	if (ret)
   1890		return ret;
   1891
   1892	ret = skl_plane_check_nv12_rotation(plane_state);
   1893	if (ret)
   1894		return ret;
   1895
   1896	if (DISPLAY_VER(dev_priv) >= 11) {
   1897		plane_state->decrypt = bo_has_valid_encryption(intel_fb_obj(fb));
   1898		plane_state->force_black = pxp_is_borked(intel_fb_obj(fb));
   1899	}
   1900
   1901	/* HW only has 8 bits pixel precision, disable plane if invisible */
   1902	if (!(plane_state->hw.alpha >> 8))
   1903		plane_state->uapi.visible = false;
   1904
   1905	plane_state->ctl = skl_plane_ctl(crtc_state, plane_state);
   1906
   1907	if (DISPLAY_VER(dev_priv) >= 10)
   1908		plane_state->color_ctl = glk_plane_color_ctl(crtc_state,
   1909							     plane_state);
   1910
   1911	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
   1912	    icl_is_hdr_plane(dev_priv, plane->id))
   1913		/* Enable and use MPEG-2 chroma siting */
   1914		plane_state->cus_ctl = PLANE_CUS_ENABLE |
   1915			PLANE_CUS_HPHASE_0 |
   1916			PLANE_CUS_VPHASE_SIGN_NEGATIVE | PLANE_CUS_VPHASE_0_25;
   1917	else
   1918		plane_state->cus_ctl = 0;
   1919
   1920	return 0;
   1921}
   1922
   1923static enum intel_fbc_id skl_fbc_id_for_pipe(enum pipe pipe)
   1924{
   1925	return pipe - PIPE_A + INTEL_FBC_A;
   1926}
   1927
   1928static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv,
   1929			      enum intel_fbc_id fbc_id, enum plane_id plane_id)
   1930{
   1931	if ((INTEL_INFO(dev_priv)->display.fbc_mask & BIT(fbc_id)) == 0)
   1932		return false;
   1933
   1934	return plane_id == PLANE_PRIMARY;
   1935}
   1936
   1937static struct intel_fbc *skl_plane_fbc(struct drm_i915_private *dev_priv,
   1938				       enum pipe pipe, enum plane_id plane_id)
   1939{
   1940	enum intel_fbc_id fbc_id = skl_fbc_id_for_pipe(pipe);
   1941
   1942	if (skl_plane_has_fbc(dev_priv, fbc_id, plane_id))
   1943		return dev_priv->fbc[fbc_id];
   1944	else
   1945		return NULL;
   1946}
   1947
   1948static bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
   1949				 enum pipe pipe, enum plane_id plane_id)
   1950{
   1951	/* Display WA #0870: skl, bxt */
   1952	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
   1953		return false;
   1954
   1955	if (DISPLAY_VER(dev_priv) == 9 && pipe == PIPE_C)
   1956		return false;
   1957
   1958	if (plane_id != PLANE_PRIMARY && plane_id != PLANE_SPRITE0)
   1959		return false;
   1960
   1961	return true;
   1962}
   1963
   1964static const u32 *skl_get_plane_formats(struct drm_i915_private *dev_priv,
   1965					enum pipe pipe, enum plane_id plane_id,
   1966					int *num_formats)
   1967{
   1968	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
   1969		*num_formats = ARRAY_SIZE(skl_planar_formats);
   1970		return skl_planar_formats;
   1971	} else {
   1972		*num_formats = ARRAY_SIZE(skl_plane_formats);
   1973		return skl_plane_formats;
   1974	}
   1975}
   1976
   1977static const u32 *glk_get_plane_formats(struct drm_i915_private *dev_priv,
   1978					enum pipe pipe, enum plane_id plane_id,
   1979					int *num_formats)
   1980{
   1981	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
   1982		*num_formats = ARRAY_SIZE(glk_planar_formats);
   1983		return glk_planar_formats;
   1984	} else {
   1985		*num_formats = ARRAY_SIZE(skl_plane_formats);
   1986		return skl_plane_formats;
   1987	}
   1988}
   1989
   1990static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv,
   1991					enum pipe pipe, enum plane_id plane_id,
   1992					int *num_formats)
   1993{
   1994	if (icl_is_hdr_plane(dev_priv, plane_id)) {
   1995		*num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
   1996		return icl_hdr_plane_formats;
   1997	} else if (icl_is_nv12_y_plane(dev_priv, plane_id)) {
   1998		*num_formats = ARRAY_SIZE(icl_sdr_y_plane_formats);
   1999		return icl_sdr_y_plane_formats;
   2000	} else {
   2001		*num_formats = ARRAY_SIZE(icl_sdr_uv_plane_formats);
   2002		return icl_sdr_uv_plane_formats;
   2003	}
   2004}
   2005
   2006static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
   2007					   u32 format, u64 modifier)
   2008{
   2009	struct intel_plane *plane = to_intel_plane(_plane);
   2010
   2011	if (!intel_fb_plane_supports_modifier(plane, modifier))
   2012		return false;
   2013
   2014	switch (format) {
   2015	case DRM_FORMAT_XRGB8888:
   2016	case DRM_FORMAT_XBGR8888:
   2017	case DRM_FORMAT_ARGB8888:
   2018	case DRM_FORMAT_ABGR8888:
   2019		if (intel_fb_is_ccs_modifier(modifier))
   2020			return true;
   2021		fallthrough;
   2022	case DRM_FORMAT_RGB565:
   2023	case DRM_FORMAT_XRGB2101010:
   2024	case DRM_FORMAT_XBGR2101010:
   2025	case DRM_FORMAT_ARGB2101010:
   2026	case DRM_FORMAT_ABGR2101010:
   2027	case DRM_FORMAT_YUYV:
   2028	case DRM_FORMAT_YVYU:
   2029	case DRM_FORMAT_UYVY:
   2030	case DRM_FORMAT_VYUY:
   2031	case DRM_FORMAT_NV12:
   2032	case DRM_FORMAT_XYUV8888:
   2033	case DRM_FORMAT_P010:
   2034	case DRM_FORMAT_P012:
   2035	case DRM_FORMAT_P016:
   2036	case DRM_FORMAT_XVYU2101010:
   2037		if (modifier == I915_FORMAT_MOD_Yf_TILED)
   2038			return true;
   2039		fallthrough;
   2040	case DRM_FORMAT_C8:
   2041	case DRM_FORMAT_XBGR16161616F:
   2042	case DRM_FORMAT_ABGR16161616F:
   2043	case DRM_FORMAT_XRGB16161616F:
   2044	case DRM_FORMAT_ARGB16161616F:
   2045	case DRM_FORMAT_Y210:
   2046	case DRM_FORMAT_Y212:
   2047	case DRM_FORMAT_Y216:
   2048	case DRM_FORMAT_XVYU12_16161616:
   2049	case DRM_FORMAT_XVYU16161616:
   2050		if (modifier == DRM_FORMAT_MOD_LINEAR ||
   2051		    modifier == I915_FORMAT_MOD_X_TILED ||
   2052		    modifier == I915_FORMAT_MOD_Y_TILED)
   2053			return true;
   2054		fallthrough;
   2055	default:
   2056		return false;
   2057	}
   2058}
   2059
   2060static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
   2061					     u32 format, u64 modifier)
   2062{
   2063	struct intel_plane *plane = to_intel_plane(_plane);
   2064
   2065	if (!intel_fb_plane_supports_modifier(plane, modifier))
   2066		return false;
   2067
   2068	switch (format) {
   2069	case DRM_FORMAT_XRGB8888:
   2070	case DRM_FORMAT_XBGR8888:
   2071	case DRM_FORMAT_ARGB8888:
   2072	case DRM_FORMAT_ABGR8888:
   2073		if (intel_fb_is_ccs_modifier(modifier))
   2074			return true;
   2075		fallthrough;
   2076	case DRM_FORMAT_YUYV:
   2077	case DRM_FORMAT_YVYU:
   2078	case DRM_FORMAT_UYVY:
   2079	case DRM_FORMAT_VYUY:
   2080	case DRM_FORMAT_NV12:
   2081	case DRM_FORMAT_XYUV8888:
   2082	case DRM_FORMAT_P010:
   2083	case DRM_FORMAT_P012:
   2084	case DRM_FORMAT_P016:
   2085		if (intel_fb_is_mc_ccs_modifier(modifier))
   2086			return true;
   2087		fallthrough;
   2088	case DRM_FORMAT_RGB565:
   2089	case DRM_FORMAT_XRGB2101010:
   2090	case DRM_FORMAT_XBGR2101010:
   2091	case DRM_FORMAT_ARGB2101010:
   2092	case DRM_FORMAT_ABGR2101010:
   2093	case DRM_FORMAT_XVYU2101010:
   2094	case DRM_FORMAT_C8:
   2095	case DRM_FORMAT_XBGR16161616F:
   2096	case DRM_FORMAT_ABGR16161616F:
   2097	case DRM_FORMAT_XRGB16161616F:
   2098	case DRM_FORMAT_ARGB16161616F:
   2099	case DRM_FORMAT_Y210:
   2100	case DRM_FORMAT_Y212:
   2101	case DRM_FORMAT_Y216:
   2102	case DRM_FORMAT_XVYU12_16161616:
   2103	case DRM_FORMAT_XVYU16161616:
   2104		if (!intel_fb_is_ccs_modifier(modifier))
   2105			return true;
   2106		fallthrough;
   2107	default:
   2108		return false;
   2109	}
   2110}
   2111
   2112static const struct drm_plane_funcs skl_plane_funcs = {
   2113	.update_plane = drm_atomic_helper_update_plane,
   2114	.disable_plane = drm_atomic_helper_disable_plane,
   2115	.destroy = intel_plane_destroy,
   2116	.atomic_duplicate_state = intel_plane_duplicate_state,
   2117	.atomic_destroy_state = intel_plane_destroy_state,
   2118	.format_mod_supported = skl_plane_format_mod_supported,
   2119};
   2120
   2121static const struct drm_plane_funcs gen12_plane_funcs = {
   2122	.update_plane = drm_atomic_helper_update_plane,
   2123	.disable_plane = drm_atomic_helper_disable_plane,
   2124	.destroy = intel_plane_destroy,
   2125	.atomic_duplicate_state = intel_plane_duplicate_state,
   2126	.atomic_destroy_state = intel_plane_destroy_state,
   2127	.format_mod_supported = gen12_plane_format_mod_supported,
   2128};
   2129
   2130static void
   2131skl_plane_enable_flip_done(struct intel_plane *plane)
   2132{
   2133	struct drm_i915_private *i915 = to_i915(plane->base.dev);
   2134	enum pipe pipe = plane->pipe;
   2135
   2136	spin_lock_irq(&i915->irq_lock);
   2137	bdw_enable_pipe_irq(i915, pipe, GEN9_PIPE_PLANE_FLIP_DONE(plane->id));
   2138	spin_unlock_irq(&i915->irq_lock);
   2139}
   2140
   2141static void
   2142skl_plane_disable_flip_done(struct intel_plane *plane)
   2143{
   2144	struct drm_i915_private *i915 = to_i915(plane->base.dev);
   2145	enum pipe pipe = plane->pipe;
   2146
   2147	spin_lock_irq(&i915->irq_lock);
   2148	bdw_disable_pipe_irq(i915, pipe, GEN9_PIPE_PLANE_FLIP_DONE(plane->id));
   2149	spin_unlock_irq(&i915->irq_lock);
   2150}
   2151
   2152static bool skl_plane_has_rc_ccs(struct drm_i915_private *i915,
   2153				 enum pipe pipe, enum plane_id plane_id)
   2154{
   2155	/* Wa_22011186057 */
   2156	if (IS_ADLP_DISPLAY_STEP(i915, STEP_A0, STEP_B0))
   2157		return false;
   2158
   2159	if (DISPLAY_VER(i915) >= 11)
   2160		return true;
   2161
   2162	if (IS_GEMINILAKE(i915))
   2163		return pipe != PIPE_C;
   2164
   2165	return pipe != PIPE_C &&
   2166		(plane_id == PLANE_PRIMARY ||
   2167		 plane_id == PLANE_SPRITE0);
   2168}
   2169
   2170static bool gen12_plane_has_mc_ccs(struct drm_i915_private *i915,
   2171				   enum plane_id plane_id)
   2172{
   2173	if (DISPLAY_VER(i915) < 12)
   2174		return false;
   2175
   2176	/* Wa_14010477008:tgl[a0..c0],rkl[all],dg1[all] */
   2177	if (IS_DG1(i915) || IS_ROCKETLAKE(i915) ||
   2178	    IS_TGL_DISPLAY_STEP(i915, STEP_A0, STEP_D0))
   2179		return false;
   2180
   2181	/* Wa_22011186057 */
   2182	if (IS_ADLP_DISPLAY_STEP(i915, STEP_A0, STEP_B0))
   2183		return false;
   2184
   2185	/* Wa_14013215631 */
   2186	if (IS_DG2_DISPLAY_STEP(i915, STEP_A0, STEP_C0))
   2187		return false;
   2188
   2189	return plane_id < PLANE_SPRITE4;
   2190}
   2191
   2192static u8 skl_get_plane_caps(struct drm_i915_private *i915,
   2193			     enum pipe pipe, enum plane_id plane_id)
   2194{
   2195	u8 caps = INTEL_PLANE_CAP_TILING_X;
   2196
   2197	if (DISPLAY_VER(i915) < 13 || IS_ALDERLAKE_P(i915))
   2198		caps |= INTEL_PLANE_CAP_TILING_Y;
   2199	if (DISPLAY_VER(i915) < 12)
   2200		caps |= INTEL_PLANE_CAP_TILING_Yf;
   2201	if (HAS_4TILE(i915))
   2202		caps |= INTEL_PLANE_CAP_TILING_4;
   2203
   2204	if (skl_plane_has_rc_ccs(i915, pipe, plane_id)) {
   2205		caps |= INTEL_PLANE_CAP_CCS_RC;
   2206		if (DISPLAY_VER(i915) >= 12)
   2207			caps |= INTEL_PLANE_CAP_CCS_RC_CC;
   2208	}
   2209
   2210	if (gen12_plane_has_mc_ccs(i915, plane_id))
   2211		caps |= INTEL_PLANE_CAP_CCS_MC;
   2212
   2213	return caps;
   2214}
   2215
   2216struct intel_plane *
   2217skl_universal_plane_create(struct drm_i915_private *dev_priv,
   2218			   enum pipe pipe, enum plane_id plane_id)
   2219{
   2220	const struct drm_plane_funcs *plane_funcs;
   2221	struct intel_plane *plane;
   2222	enum drm_plane_type plane_type;
   2223	unsigned int supported_rotations;
   2224	unsigned int supported_csc;
   2225	const u64 *modifiers;
   2226	const u32 *formats;
   2227	int num_formats;
   2228	int ret;
   2229
   2230	plane = intel_plane_alloc();
   2231	if (IS_ERR(plane))
   2232		return plane;
   2233
   2234	plane->pipe = pipe;
   2235	plane->id = plane_id;
   2236	plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane_id);
   2237
   2238	intel_fbc_add_plane(skl_plane_fbc(dev_priv, pipe, plane_id), plane);
   2239
   2240	if (DISPLAY_VER(dev_priv) >= 11) {
   2241		plane->min_width = icl_plane_min_width;
   2242		if (icl_is_hdr_plane(dev_priv, plane_id))
   2243			plane->max_width = icl_hdr_plane_max_width;
   2244		else
   2245			plane->max_width = icl_sdr_plane_max_width;
   2246		plane->max_height = icl_plane_max_height;
   2247		plane->min_cdclk = icl_plane_min_cdclk;
   2248	} else if (DISPLAY_VER(dev_priv) >= 10) {
   2249		plane->max_width = glk_plane_max_width;
   2250		plane->max_height = skl_plane_max_height;
   2251		plane->min_cdclk = glk_plane_min_cdclk;
   2252	} else {
   2253		plane->max_width = skl_plane_max_width;
   2254		plane->max_height = skl_plane_max_height;
   2255		plane->min_cdclk = skl_plane_min_cdclk;
   2256	}
   2257
   2258	plane->max_stride = skl_plane_max_stride;
   2259	if (DISPLAY_VER(dev_priv) >= 11) {
   2260		plane->update_noarm = icl_plane_update_noarm;
   2261		plane->update_arm = icl_plane_update_arm;
   2262		plane->disable_arm = icl_plane_disable_arm;
   2263	} else {
   2264		plane->update_noarm = skl_plane_update_noarm;
   2265		plane->update_arm = skl_plane_update_arm;
   2266		plane->disable_arm = skl_plane_disable_arm;
   2267	}
   2268	plane->get_hw_state = skl_plane_get_hw_state;
   2269	plane->check_plane = skl_plane_check;
   2270
   2271	if (plane_id == PLANE_PRIMARY) {
   2272		plane->need_async_flip_disable_wa = IS_DISPLAY_VER(dev_priv,
   2273								   9, 10);
   2274		plane->async_flip = skl_plane_async_flip;
   2275		plane->enable_flip_done = skl_plane_enable_flip_done;
   2276		plane->disable_flip_done = skl_plane_disable_flip_done;
   2277	}
   2278
   2279	if (DISPLAY_VER(dev_priv) >= 11)
   2280		formats = icl_get_plane_formats(dev_priv, pipe,
   2281						plane_id, &num_formats);
   2282	else if (DISPLAY_VER(dev_priv) >= 10)
   2283		formats = glk_get_plane_formats(dev_priv, pipe,
   2284						plane_id, &num_formats);
   2285	else
   2286		formats = skl_get_plane_formats(dev_priv, pipe,
   2287						plane_id, &num_formats);
   2288
   2289	if (DISPLAY_VER(dev_priv) >= 12)
   2290		plane_funcs = &gen12_plane_funcs;
   2291	else
   2292		plane_funcs = &skl_plane_funcs;
   2293
   2294	if (plane_id == PLANE_PRIMARY)
   2295		plane_type = DRM_PLANE_TYPE_PRIMARY;
   2296	else
   2297		plane_type = DRM_PLANE_TYPE_OVERLAY;
   2298
   2299	modifiers = intel_fb_plane_get_modifiers(dev_priv,
   2300						 skl_get_plane_caps(dev_priv, pipe, plane_id));
   2301
   2302	ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
   2303				       0, plane_funcs,
   2304				       formats, num_formats, modifiers,
   2305				       plane_type,
   2306				       "plane %d%c", plane_id + 1,
   2307				       pipe_name(pipe));
   2308
   2309	kfree(modifiers);
   2310
   2311	if (ret)
   2312		goto fail;
   2313
   2314	if (DISPLAY_VER(dev_priv) >= 13)
   2315		supported_rotations = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
   2316	else
   2317		supported_rotations =
   2318			DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 |
   2319			DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270;
   2320
   2321	if (DISPLAY_VER(dev_priv) >= 11)
   2322		supported_rotations |= DRM_MODE_REFLECT_X;
   2323
   2324	drm_plane_create_rotation_property(&plane->base,
   2325					   DRM_MODE_ROTATE_0,
   2326					   supported_rotations);
   2327
   2328	supported_csc = BIT(DRM_COLOR_YCBCR_BT601) | BIT(DRM_COLOR_YCBCR_BT709);
   2329
   2330	if (DISPLAY_VER(dev_priv) >= 10)
   2331		supported_csc |= BIT(DRM_COLOR_YCBCR_BT2020);
   2332
   2333	drm_plane_create_color_properties(&plane->base,
   2334					  supported_csc,
   2335					  BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
   2336					  BIT(DRM_COLOR_YCBCR_FULL_RANGE),
   2337					  DRM_COLOR_YCBCR_BT709,
   2338					  DRM_COLOR_YCBCR_LIMITED_RANGE);
   2339
   2340	drm_plane_create_alpha_property(&plane->base);
   2341	drm_plane_create_blend_mode_property(&plane->base,
   2342					     BIT(DRM_MODE_BLEND_PIXEL_NONE) |
   2343					     BIT(DRM_MODE_BLEND_PREMULTI) |
   2344					     BIT(DRM_MODE_BLEND_COVERAGE));
   2345
   2346	drm_plane_create_zpos_immutable_property(&plane->base, plane_id);
   2347
   2348	if (DISPLAY_VER(dev_priv) >= 12)
   2349		drm_plane_enable_fb_damage_clips(&plane->base);
   2350
   2351	if (DISPLAY_VER(dev_priv) >= 11)
   2352		drm_plane_create_scaling_filter_property(&plane->base,
   2353						BIT(DRM_SCALING_FILTER_DEFAULT) |
   2354						BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR));
   2355
   2356	intel_plane_helper_add(plane);
   2357
   2358	return plane;
   2359
   2360fail:
   2361	intel_plane_free(plane);
   2362
   2363	return ERR_PTR(ret);
   2364}
   2365
   2366void
   2367skl_get_initial_plane_config(struct intel_crtc *crtc,
   2368			     struct intel_initial_plane_config *plane_config)
   2369{
   2370	struct intel_crtc_state *crtc_state = to_intel_crtc_state(crtc->base.state);
   2371	struct drm_device *dev = crtc->base.dev;
   2372	struct drm_i915_private *dev_priv = to_i915(dev);
   2373	struct intel_plane *plane = to_intel_plane(crtc->base.primary);
   2374	enum plane_id plane_id = plane->id;
   2375	enum pipe pipe;
   2376	u32 val, base, offset, stride_mult, tiling, alpha;
   2377	int fourcc, pixel_format;
   2378	unsigned int aligned_height;
   2379	struct drm_framebuffer *fb;
   2380	struct intel_framebuffer *intel_fb;
   2381	static_assert(PLANE_CTL_TILED_YF == PLANE_CTL_TILED_4);
   2382
   2383	if (!plane->get_hw_state(plane, &pipe))
   2384		return;
   2385
   2386	drm_WARN_ON(dev, pipe != crtc->pipe);
   2387
   2388	if (crtc_state->bigjoiner_pipes) {
   2389		drm_dbg_kms(&dev_priv->drm,
   2390			    "Unsupported bigjoiner configuration for initial FB\n");
   2391		return;
   2392	}
   2393
   2394	intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL);
   2395	if (!intel_fb) {
   2396		drm_dbg_kms(&dev_priv->drm, "failed to alloc fb\n");
   2397		return;
   2398	}
   2399
   2400	fb = &intel_fb->base;
   2401
   2402	fb->dev = dev;
   2403
   2404	val = intel_de_read(dev_priv, PLANE_CTL(pipe, plane_id));
   2405
   2406	if (DISPLAY_VER(dev_priv) >= 11)
   2407		pixel_format = val & PLANE_CTL_FORMAT_MASK_ICL;
   2408	else
   2409		pixel_format = val & PLANE_CTL_FORMAT_MASK_SKL;
   2410
   2411	if (DISPLAY_VER(dev_priv) >= 10) {
   2412		u32 color_ctl;
   2413
   2414		color_ctl = intel_de_read(dev_priv, PLANE_COLOR_CTL(pipe, plane_id));
   2415		alpha = REG_FIELD_GET(PLANE_COLOR_ALPHA_MASK, color_ctl);
   2416	} else {
   2417		alpha = REG_FIELD_GET(PLANE_CTL_ALPHA_MASK, val);
   2418	}
   2419
   2420	fourcc = skl_format_to_fourcc(pixel_format,
   2421				      val & PLANE_CTL_ORDER_RGBX, alpha);
   2422	fb->format = drm_format_info(fourcc);
   2423
   2424	tiling = val & PLANE_CTL_TILED_MASK;
   2425	switch (tiling) {
   2426	case PLANE_CTL_TILED_LINEAR:
   2427		fb->modifier = DRM_FORMAT_MOD_LINEAR;
   2428		break;
   2429	case PLANE_CTL_TILED_X:
   2430		plane_config->tiling = I915_TILING_X;
   2431		fb->modifier = I915_FORMAT_MOD_X_TILED;
   2432		break;
   2433	case PLANE_CTL_TILED_Y:
   2434		plane_config->tiling = I915_TILING_Y;
   2435		if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
   2436			if (DISPLAY_VER(dev_priv) >= 12)
   2437				fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS;
   2438			else
   2439				fb->modifier = I915_FORMAT_MOD_Y_TILED_CCS;
   2440		else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE)
   2441			fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS;
   2442		else
   2443			fb->modifier = I915_FORMAT_MOD_Y_TILED;
   2444		break;
   2445	case PLANE_CTL_TILED_YF: /* aka PLANE_CTL_TILED_4 on XE_LPD+ */
   2446		if (HAS_4TILE(dev_priv)) {
   2447			u32 rc_mask = PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
   2448				      PLANE_CTL_CLEAR_COLOR_DISABLE;
   2449
   2450			if ((val & rc_mask) == rc_mask)
   2451				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_RC_CCS;
   2452			else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE)
   2453				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_MC_CCS;
   2454			else if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
   2455				fb->modifier = I915_FORMAT_MOD_4_TILED_DG2_RC_CCS_CC;
   2456			else
   2457				fb->modifier = I915_FORMAT_MOD_4_TILED;
   2458		} else {
   2459			if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
   2460				fb->modifier = I915_FORMAT_MOD_Yf_TILED_CCS;
   2461			else
   2462				fb->modifier = I915_FORMAT_MOD_Yf_TILED;
   2463		}
   2464		break;
   2465	default:
   2466		MISSING_CASE(tiling);
   2467		goto error;
   2468	}
   2469
   2470	/*
   2471	 * DRM_MODE_ROTATE_ is counter clockwise to stay compatible with Xrandr
   2472	 * while i915 HW rotation is clockwise, thats why this swapping.
   2473	 */
   2474	switch (val & PLANE_CTL_ROTATE_MASK) {
   2475	case PLANE_CTL_ROTATE_0:
   2476		plane_config->rotation = DRM_MODE_ROTATE_0;
   2477		break;
   2478	case PLANE_CTL_ROTATE_90:
   2479		plane_config->rotation = DRM_MODE_ROTATE_270;
   2480		break;
   2481	case PLANE_CTL_ROTATE_180:
   2482		plane_config->rotation = DRM_MODE_ROTATE_180;
   2483		break;
   2484	case PLANE_CTL_ROTATE_270:
   2485		plane_config->rotation = DRM_MODE_ROTATE_90;
   2486		break;
   2487	}
   2488
   2489	if (DISPLAY_VER(dev_priv) >= 11 && val & PLANE_CTL_FLIP_HORIZONTAL)
   2490		plane_config->rotation |= DRM_MODE_REFLECT_X;
   2491
   2492	/* 90/270 degree rotation would require extra work */
   2493	if (drm_rotation_90_or_270(plane_config->rotation))
   2494		goto error;
   2495
   2496	base = intel_de_read(dev_priv, PLANE_SURF(pipe, plane_id)) & PLANE_SURF_ADDR_MASK;
   2497	plane_config->base = base;
   2498
   2499	offset = intel_de_read(dev_priv, PLANE_OFFSET(pipe, plane_id));
   2500
   2501	val = intel_de_read(dev_priv, PLANE_SIZE(pipe, plane_id));
   2502	fb->height = REG_FIELD_GET(PLANE_HEIGHT_MASK, val) + 1;
   2503	fb->width = REG_FIELD_GET(PLANE_WIDTH_MASK, val) + 1;
   2504
   2505	val = intel_de_read(dev_priv, PLANE_STRIDE(pipe, plane_id));
   2506	stride_mult = skl_plane_stride_mult(fb, 0, DRM_MODE_ROTATE_0);
   2507
   2508	fb->pitches[0] = REG_FIELD_GET(PLANE_STRIDE__MASK, val) * stride_mult;
   2509
   2510	aligned_height = intel_fb_align_height(fb, 0, fb->height);
   2511
   2512	plane_config->size = fb->pitches[0] * aligned_height;
   2513
   2514	drm_dbg_kms(&dev_priv->drm,
   2515		    "%s/%s with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n",
   2516		    crtc->base.name, plane->base.name, fb->width, fb->height,
   2517		    fb->format->cpp[0] * 8, base, fb->pitches[0],
   2518		    plane_config->size);
   2519
   2520	plane_config->fb = intel_fb;
   2521	return;
   2522
   2523error:
   2524	kfree(intel_fb);
   2525}