From: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>

Detect the modifier corresponding to media compression to enable
display decompression for YUV and xRGB packed formats. A new modifier is
added so that the driver can distinguish between media and render
compressed buffers. Unlike render decompression, plane 6 and  plane 7 do not
support media decompression.

v2: Fix checkpatch warnings on code style (Lucas)

From DK:
Separate modifier array for planes that cannot decompress media (Ville)

v3: Support planar formats

Cc: Nanley G Chery <nanley.g.ch...@intel.com>
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Matt Roper <matthew.d.ro...@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c  | 237 +++++++++++++-----
 .../drm/i915/display/intel_display_types.h    |   2 +-
 drivers/gpu/drm/i915/display/intel_sprite.c   |  44 +++-
 drivers/gpu/drm/i915/i915_reg.h               |   1 +
 4 files changed, 220 insertions(+), 64 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
b/drivers/gpu/drm/i915/display/intel_display.c
index be61dfdebb34..448168a4d780 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -1909,6 +1909,10 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, 
int color_plane)
                if (color_plane == 1)
                        return 128;
                /* fall through */
+       case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+               if (color_plane == 3)
+                       return 64;
+               /* fall through */
        case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
                if (color_plane == 1)
                        return 64;
@@ -2251,8 +2255,16 @@ static u32 intel_adjust_tile_offset(int *x, int *y,
 
 static bool is_surface_linear(u64 modifier, int color_plane)
 {
-       return modifier == DRM_FORMAT_MOD_LINEAR ||
-              (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS && color_plane 
== 1);
+       switch (modifier) {
+       case DRM_FORMAT_MOD_LINEAR:
+               return true;
+       case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
+               return color_plane == 1;
+       case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+               return color_plane == 1 || color_plane == 3;
+       default:
+               return false;
+       }
 }
 
 static u32 intel_adjust_aligned_offset(int *x, int *y,
@@ -2440,6 +2452,7 @@ static unsigned int intel_fb_modifier_to_tiling(u64 
fb_modifier)
        case I915_FORMAT_MOD_Y_TILED:
        case I915_FORMAT_MOD_Y_TILED_CCS:
        case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
+       case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
                return I915_TILING_Y;
        default:
                return I915_TILING_NONE;
@@ -2487,6 +2500,10 @@ static const struct drm_format_info gen12_ccs_formats[] 
= {
          .cpp = { 4, 1, }, .hsub = 2, .vsub = 32, .has_alpha = true },
        { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2,
          .cpp = { 4, 1, }, .hsub = 2, .vsub = 32, .has_alpha = true },
+       { .format = DRM_FORMAT_YUYV, .num_planes = 2,
+         .cpp = { 2, 1, }, .hsub = 4, .vsub = 32, .is_yuv = true },
+       { .format = DRM_FORMAT_NV12, .num_planes = 4,
+         .cpp = { 1, 1, 2, 1}, .hsub = 2, .vsub = 2, .is_yuv = true },
 };
 
 static const struct drm_format_info *
@@ -2524,6 +2541,7 @@ intel_get_format_info(const struct drm_mode_fb_cmd2 *cmd)
 bool is_ccs_modifier(u64 modifier)
 {
        return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
+              modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS ||
               modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
               modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
 }
@@ -2587,7 +2605,7 @@ intel_fb_stride_alignment(const struct drm_framebuffer 
*fb, int color_plane)
        }
 
        tile_width = intel_tile_width_bytes(fb, color_plane);
-       if (is_ccs_modifier(fb->modifier) && color_plane == 0) {
+       if (is_ccs_modifier(fb->modifier)) {
                /*
                 * Display WA #0531: skl,bxt,kbl,glk
                 *
@@ -2597,7 +2615,7 @@ intel_fb_stride_alignment(const struct drm_framebuffer 
*fb, int color_plane)
                 * require the entire fb to accommodate that to avoid
                 * potential runtime errors at plane configuration time.
                 */
-               if (IS_GEN(dev_priv, 9) && fb->width > 3840)
+               if (IS_GEN(dev_priv, 9) && color_plane == 0 && fb->width > 3840)
                        tile_width *= 4;
                /*
                 * The main surface pitch must be padded to a multiple of four
@@ -2677,25 +2695,71 @@ static bool intel_plane_needs_remap(const struct 
intel_plane_state *plane_state)
        return stride > max_stride;
 }
 
+static void
+intel_fb_plane_get_subsampling(int *hsub, int *vsub, const struct 
drm_framebuffer *fb, int color_plane)
+{
+       if (fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS) {
+               static const struct {
+                       int cpp[4];
+                       int vsub[4];
+                       int hsub[4];
+               } mc_ccs_subsampling = {.cpp = {1, 1, 2, 1}, .hsub = {1, 8, 2, 
16}, .vsub = {1, 32, 2, 32} };
+
+               *hsub = mc_ccs_subsampling.hsub[color_plane];
+               *vsub = mc_ccs_subsampling.vsub[color_plane];
+       } else {
+               *hsub = fb->format->hsub;
+               *vsub = fb->format->vsub;
+       }
+}
+
+static void
+intel_fb_plane_dims(int *w, int *h, struct drm_framebuffer *fb, int 
color_plane)
+{
+       int hsub, vsub;
+
+       intel_fb_plane_get_subsampling(&hsub, &vsub, fb, color_plane);
+       *w = fb->width / hsub;
+       *h = fb->height / vsub;
+}
+
+static bool is_ccs_plane(u64 modifier, int color_plane)
+{
+       if (!is_ccs_modifier(modifier))
+               return false;
+       else if (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS)
+               return color_plane == 3 || color_plane == 1;
+       else
+               return color_plane == 1;
+}
+
 static int
-intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int x, int y)
+intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int color_plane, int x, int 
y)
 {
        struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
-       int hsub = fb->format->hsub;
-       int vsub = fb->format->vsub;
+       int hsub, vsub;
+       int hsub_main, vsub_main;
        int tile_width, tile_height;
        int ccs_x, ccs_y;
        int main_x, main_y;
 
-       intel_tile_dims(fb, 1, &tile_width, &tile_height);
+       if (!is_ccs_plane(fb->modifier, color_plane))
+               return 0;
+
+       intel_tile_dims(fb, color_plane, &tile_width, &tile_height);
+       intel_fb_plane_get_subsampling(&hsub, &vsub, fb, color_plane);
+       intel_fb_plane_get_subsampling(&hsub_main, &vsub_main, fb, color_plane 
- 1);
+
+       hsub /= hsub_main;
+       vsub /= vsub_main;
 
        tile_width *= hsub;
        tile_height *= vsub;
 
        ccs_x = (x * hsub) % tile_width;
        ccs_y = (y * vsub) % tile_height;
-       main_x = intel_fb->normal[0].x % tile_width;
-       main_y = intel_fb->normal[0].y % tile_height;
+       main_x = intel_fb->normal[color_plane - 1].x % tile_width;
+       main_y = intel_fb->normal[color_plane - 1].y % tile_height;
 
        /*
         * CCS doesn't have its own x/y offset register, so the intra CCS tile
@@ -2705,8 +2769,8 @@ intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int x, 
int y)
                DRM_DEBUG_KMS("Bad CCS x/y (main %d,%d ccs %d,%d) full (main 
%d,%d ccs %d,%d)\n",
                              main_x, main_y,
                              ccs_x, ccs_y,
-                             intel_fb->normal[0].x,
-                             intel_fb->normal[0].y,
+                             intel_fb->normal[color_plane - 1].x,
+                             intel_fb->normal[color_plane - 1].y,
                              x, y);
                return -EINVAL;
        }
@@ -2734,8 +2798,7 @@ intel_fill_fb_info(struct drm_i915_private *dev_priv,
                int ret;
 
                cpp = fb->format->cpp[i];
-               width = drm_framebuffer_plane_width(fb->width, fb, i);
-               height = drm_framebuffer_plane_height(fb->height, fb, i);
+               intel_fb_plane_dims(&width, &height, fb, i);
 
                ret = intel_fb_offset_to_xy(&x, &y, fb, i);
                if (ret) {
@@ -2744,11 +2807,9 @@ intel_fill_fb_info(struct drm_i915_private *dev_priv,
                        return ret;
                }
 
-               if (is_ccs_modifier(fb->modifier) && i == 1) {
-                       ret = intel_fb_check_ccs_xy(fb, x, y);
-                       if (ret)
-                               return ret;
-               }
+               ret = intel_fb_check_ccs_xy(fb, i, x, y);
+               if (ret)
+                       return ret;
 
                /*
                 * The fence (if used) is aligned to the start of the object
@@ -3360,6 +3421,7 @@ static int skl_max_plane_width(const struct 
drm_framebuffer *fb,
                        return 5120;
        case I915_FORMAT_MOD_Y_TILED_CCS:
        case I915_FORMAT_MOD_Yf_TILED_CCS:
+       case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
                /* FIXME AUX plane? */
        case I915_FORMAT_MOD_Y_TILED:
        case I915_FORMAT_MOD_Yf_TILED:
@@ -3419,16 +3481,18 @@ static int icl_max_plane_height(void)
 }
 
 static bool skl_check_main_ccs_coordinates(struct intel_plane_state 
*plane_state,
-                                          int main_x, int main_y, u32 
main_offset)
+                                          int main_x, int main_y, u32 
main_offset,
+                                          int aux_plane)
 {
        const struct drm_framebuffer *fb = plane_state->base.fb;
-       int hsub = fb->format->hsub;
-       int vsub = fb->format->vsub;
-       int aux_x = plane_state->color_plane[1].x;
-       int aux_y = plane_state->color_plane[1].y;
-       u32 aux_offset = plane_state->color_plane[1].offset;
-       u32 alignment = intel_surf_alignment(fb, 1);
-
+       int hsub;
+       int vsub;
+       int aux_x = plane_state->color_plane[aux_plane].x;
+       int aux_y = plane_state->color_plane[aux_plane].y;
+       u32 aux_offset = plane_state->color_plane[aux_plane].offset;
+       u32 alignment = intel_surf_alignment(fb, aux_plane);
+
+       intel_fb_plane_get_subsampling(&hsub, &vsub, fb, aux_plane);
        while (aux_offset >= main_offset && aux_y <= main_y) {
                int x, y;
 
@@ -3440,7 +3504,7 @@ static bool skl_check_main_ccs_coordinates(struct 
intel_plane_state *plane_state
 
                x = aux_x / hsub;
                y = aux_y / vsub;
-               aux_offset = intel_plane_adjust_aligned_offset(&x, &y, 
plane_state, 1,
+               aux_offset = intel_plane_adjust_aligned_offset(&x, &y, 
plane_state, aux_plane,
                                                               aux_offset, 
aux_offset - alignment);
                aux_x = x * hsub + aux_x % hsub;
                aux_y = y * vsub + aux_y % vsub;
@@ -3449,9 +3513,9 @@ static bool skl_check_main_ccs_coordinates(struct 
intel_plane_state *plane_state
        if (aux_x != main_x || aux_y != main_y)
                return false;
 
-       plane_state->color_plane[1].offset = aux_offset;
-       plane_state->color_plane[1].x = aux_x;
-       plane_state->color_plane[1].y = aux_y;
+       plane_state->color_plane[aux_plane].offset = aux_offset;
+       plane_state->color_plane[aux_plane].x = aux_x;
+       plane_state->color_plane[aux_plane].y = aux_y;
 
        return true;
 }
@@ -3525,7 +3589,7 @@ static int skl_check_main_surface(struct 
intel_plane_state *plane_state)
         * they match with the main surface x/y offsets.
         */
        if (is_ccs_modifier(fb->modifier)) {
-               while (!skl_check_main_ccs_coordinates(plane_state, x, y, 
offset)) {
+               while (!skl_check_main_ccs_coordinates(plane_state, x, y, 
offset, 1)) {
                        if (offset == 0)
                                break;
 
@@ -3558,7 +3622,8 @@ static int skl_check_nv12_aux_surface(struct 
intel_plane_state *plane_state)
 {
        const struct drm_framebuffer *fb = plane_state->base.fb;
        unsigned int rotation = plane_state->base.rotation;
-       int max_width = skl_max_plane_width(fb, 1, rotation);
+       int uv = is_ccs_modifier(fb->modifier) ? 2 : 1;
+       int max_width = skl_max_plane_width(fb, uv, rotation);
        int max_height = 4096;
        int x = plane_state->base.src.x1 >> 17;
        int y = plane_state->base.src.y1 >> 17;
@@ -3566,8 +3631,8 @@ static int skl_check_nv12_aux_surface(struct 
intel_plane_state *plane_state)
        int h = drm_rect_height(&plane_state->base.src) >> 17;
        u32 offset;
 
-       intel_add_fb_offsets(&x, &y, plane_state, 1);
-       offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 1);
+       intel_add_fb_offsets(&x, &y, plane_state, uv);
+       offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, uv);
 
        /* FIXME not quite sure how/if these apply to the chroma plane */
        if (w > max_width || h > max_height) {
@@ -3576,9 +3641,41 @@ static int skl_check_nv12_aux_surface(struct 
intel_plane_state *plane_state)
                return -EINVAL;
        }
 
-       plane_state->color_plane[1].offset = offset;
-       plane_state->color_plane[1].x = x;
-       plane_state->color_plane[1].y = y;
+       if (is_ccs_modifier(fb->modifier)) {
+               int aux_offset = plane_state->color_plane[3].offset;
+               int alignment = intel_surf_alignment(fb, uv);
+
+               if (offset > aux_offset) {
+                       int hsub, vsub;
+                       int main_x = x, main_y = y;
+
+                       intel_fb_plane_get_subsampling(&hsub, &vsub, fb, uv);
+                       x = main_x / hsub;
+                       y = main_y / vsub;
+                       offset = intel_plane_adjust_aligned_offset(&x, &y, 
plane_state, uv,
+                                                                  offset,
+                                                                  aux_offset & 
~(alignment - 1));
+                       x = x * hsub + main_x % hsub;
+                       y = y * vsub + main_y % vsub;
+               }
+
+               while (!skl_check_main_ccs_coordinates(plane_state, x, y, 
offset, 3)) {
+                       if (offset == 0)
+                               break;
+
+                       offset = intel_plane_adjust_aligned_offset(&x, &y, 
plane_state, uv,
+                                                                  offset, 
offset - alignment);
+               }
+
+               if (x != plane_state->color_plane[3].x || y != 
plane_state->color_plane[3].y) {
+                       DRM_DEBUG_KMS("Unable to find suitable display surface 
offset due to CCS\n");
+                       return -EINVAL;
+               }
+       }
+
+       plane_state->color_plane[uv].offset = offset;
+       plane_state->color_plane[uv].x = x;
+       plane_state->color_plane[uv].y = y;
 
        return 0;
 }
@@ -3588,19 +3685,30 @@ static int skl_check_ccs_aux_surface(struct 
intel_plane_state *plane_state)
        const struct drm_framebuffer *fb = plane_state->base.fb;
        int src_x = plane_state->base.src.x1 >> 16;
        int src_y = plane_state->base.src.y1 >> 16;
-       int hsub = fb->format->hsub;
-       int vsub = fb->format->vsub;
-       int x = src_x / hsub;
-       int y = src_y / vsub;
        u32 offset;
+       int ccs;
 
-       intel_add_fb_offsets(&x, &y, plane_state, 1);
-       offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 1);
 
-       plane_state->color_plane[1].offset = offset;
-       plane_state->color_plane[1].x = x * hsub + src_x % hsub;
-       plane_state->color_plane[1].y = y * vsub + src_y % vsub;
+       for (ccs = 1; ccs < fb->format->num_planes; ccs += 2) {
+               int hsub, vsub;
+               int main_hsub, main_vsub;
+               int x, y;
+
+               intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs);
+               intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, fb, ccs 
- 1);
 
+               hsub /= main_hsub;
+               vsub /= main_vsub;
+               x = src_x / hsub;
+               y = src_y / vsub;
+
+               intel_add_fb_offsets(&x, &y, plane_state, ccs);
+               offset = intel_plane_compute_aligned_offset(&x, &y,
+                                                           plane_state, ccs);
+               plane_state->color_plane[ccs].offset = offset;
+               plane_state->color_plane[ccs].x = x * hsub + src_x % hsub;
+               plane_state->color_plane[ccs].y = y * vsub + src_y % vsub;
+       }
        return 0;
 }
 
@@ -3608,6 +3716,7 @@ int skl_check_plane_surface(struct intel_plane_state 
*plane_state)
 {
        const struct drm_framebuffer *fb = plane_state->base.fb;
        int ret;
+       bool needs_aux = false;
 
        ret = intel_plane_compute_gtt(plane_state);
        if (ret)
@@ -3617,21 +3726,31 @@ int skl_check_plane_surface(struct intel_plane_state 
*plane_state)
                return 0;
 
        /*
-        * Handle the AUX surface first since
-        * the main surface setup depends on it.
+        * Handle the AUX surface first since the main surface setup depends on
+        * it.
         */
-       if (drm_format_info_is_yuv_semiplanar(fb->format)) {
-               ret = skl_check_nv12_aux_surface(plane_state);
+       if (is_ccs_modifier(fb->modifier)) {
+               needs_aux = true;
+               ret = skl_check_ccs_aux_surface(plane_state);
                if (ret)
                        return ret;
-       } else if (is_ccs_modifier(fb->modifier)) {
-               ret = skl_check_ccs_aux_surface(plane_state);
+       }
+
+       if (drm_format_info_is_yuv_semiplanar(fb->format)) {
+               needs_aux = true;
+               ret = skl_check_nv12_aux_surface(plane_state);
                if (ret)
                        return ret;
-       } else {
-               plane_state->color_plane[1].offset = ~0xfff;
-               plane_state->color_plane[1].x = 0;
-               plane_state->color_plane[1].y = 0;
+       }
+
+       if (!needs_aux) {
+               int i;
+
+               for (i = 1; i < fb->format->num_planes; i++) {
+                       plane_state->color_plane[i].offset = ~0xfff;
+                       plane_state->color_plane[i].x = 0;
+                       plane_state->color_plane[i].y = 0;
+               }
        }
 
        ret = skl_check_main_surface(plane_state);
@@ -4149,6 +4268,8 @@ static u32 skl_plane_ctl_tiling(u64 fb_modifier)
                return PLANE_CTL_TILED_Y |
                       PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
                       PLANE_CTL_CLEAR_COLOR_DISABLE;
+       case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+               return PLANE_CTL_TILED_Y | PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE;
        case I915_FORMAT_MOD_Yf_TILED:
                return PLANE_CTL_TILED_YF;
        case I915_FORMAT_MOD_Yf_TILED_CCS:
@@ -9913,6 +10034,8 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
                        fb->modifier = INTEL_GEN(dev_priv) >= 12 ?
                                I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS :
                                I915_FORMAT_MOD_Y_TILED_CCS;
+               else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE)
+                       fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS;
                else
                        fb->modifier = I915_FORMAT_MOD_Y_TILED;
                break;
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h 
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 40390d855815..91241f2bc575 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -530,7 +530,7 @@ struct intel_plane_state {
                 */
                u32 stride;
                int x, y;
-       } color_plane[2];
+       } color_plane[4];
 
        /* plane control register */
        u32 ctl;
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c 
b/drivers/gpu/drm/i915/display/intel_sprite.c
index 20df64336669..fdb9dcc4060c 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -1738,7 +1738,8 @@ static int skl_plane_check_fb(const struct 
intel_crtc_state *crtc_state,
             fb->modifier == I915_FORMAT_MOD_Yf_TILED ||
             fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
             fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS ||
-            fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS)) {
+            fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
+            fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS)) {
                DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID mode\n");
                return -EINVAL;
        }
@@ -2150,7 +2151,16 @@ static const u64 skl_plane_format_modifiers_ccs[] = {
        DRM_FORMAT_MOD_INVALID
 };
 
-static const u64 gen12_plane_format_modifiers_ccs[] = {
+static const u64 gen12_plane_format_modifiers_mc_ccs[] = {
+       I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS,
+       I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS,
+       I915_FORMAT_MOD_Y_TILED,
+       I915_FORMAT_MOD_X_TILED,
+       DRM_FORMAT_MOD_LINEAR,
+       DRM_FORMAT_MOD_INVALID
+};
+
+static const u64 gen12_plane_format_modifiers_rc_ccs[] = {
        I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS,
        I915_FORMAT_MOD_Y_TILED,
        I915_FORMAT_MOD_X_TILED,
@@ -2306,10 +2316,21 @@ static bool skl_plane_format_mod_supported(struct 
drm_plane *_plane,
        }
 }
 
+static bool gen12_plane_supports_mc_ccs(enum plane_id plane_id)
+{
+       return plane_id < PLANE_SPRITE4;
+}
+
 static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
                                             u32 format, u64 modifier)
 {
+       struct intel_plane *plane = to_intel_plane(_plane);
+
        switch (modifier) {
+       case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+               if (!gen12_plane_supports_mc_ccs(plane->id))
+                       return false;
+               /* fall through */
        case DRM_FORMAT_MOD_LINEAR:
        case I915_FORMAT_MOD_X_TILED:
        case I915_FORMAT_MOD_Y_TILED:
@@ -2327,14 +2348,17 @@ static bool gen12_plane_format_mod_supported(struct 
drm_plane *_plane,
                if (is_ccs_modifier(modifier))
                        return true;
                /* fall through */
-       case DRM_FORMAT_RGB565:
-       case DRM_FORMAT_XRGB2101010:
-       case DRM_FORMAT_XBGR2101010:
        case DRM_FORMAT_YUYV:
        case DRM_FORMAT_YVYU:
        case DRM_FORMAT_UYVY:
        case DRM_FORMAT_VYUY:
+               if (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS)
+                       return true;
+               /* fall through */
        case DRM_FORMAT_NV12:
+       case DRM_FORMAT_RGB565:
+       case DRM_FORMAT_XRGB2101010:
+       case DRM_FORMAT_XBGR2101010:
        case DRM_FORMAT_P010:
        case DRM_FORMAT_P012:
        case DRM_FORMAT_P016:
@@ -2471,6 +2495,14 @@ static const u32 *icl_get_plane_formats(struct 
drm_i915_private *dev_priv,
        }
 }
 
+static const u64 *gen12_get_plane_modifiers(enum plane_id plane_id)
+{
+       if (gen12_plane_supports_mc_ccs(plane_id))
+               return gen12_plane_format_modifiers_mc_ccs;
+       else
+               return gen12_plane_format_modifiers_rc_ccs;
+}
+
 static bool skl_plane_has_ccs(struct drm_i915_private *dev_priv,
                              enum pipe pipe, enum plane_id plane_id)
 {
@@ -2537,7 +2569,7 @@ skl_universal_plane_create(struct drm_i915_private 
*dev_priv,
 
        plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
        if (INTEL_GEN(dev_priv) >= 12) {
-               modifiers = gen12_plane_format_modifiers_ccs;
+               modifiers = gen12_get_plane_modifiers(plane_id);
                plane_funcs = &gen12_plane_funcs;
        } else {
                if (plane->has_ccs)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index c1583f5c413b..5fad9cb35979 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6710,6 +6710,7 @@ enum {
 #define   PLANE_CTL_TILED_Y                    (4 << 10)
 #define   PLANE_CTL_TILED_YF                   (5 << 10)
 #define   PLANE_CTL_FLIP_HORIZONTAL            (1 << 8)
+#define   PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE (1 << 4) /* TGL+ */
 #define   PLANE_CTL_ALPHA_MASK                 (0x3 << 4) /* Pre-GLK */
 #define   PLANE_CTL_ALPHA_DISABLE              (0 << 4)
 #define   PLANE_CTL_ALPHA_SW_PREMULTIPLY       (2 << 4)
-- 
2.20.1

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