Re: [Intel-gfx] [PATCH 2/4] drm/i915/dg2: Add support for DG2 render and media compression

2022-04-07 Thread Juha-Pekka Heikkila

Reviewed-by: Juha-Pekka Heikkila 

On 4.4.2022 16.38, Imre Deak wrote:

From: Matt Roper 

Add support for DG2 render and media compression, for the description of
buffer layouts see the previous patch adding the corresponding
frame buffer modifiers.

v2:
   Display version fix [Imre]
v3:
   Split out modifier addition to separate patch.

Signed-off-by: Matt Roper 
cc: Radhakrishna Sripada 
Signed-off-by: Mika Kahola 
cc: Anshuman Gupta 
Signed-off-by: Juha-Pekka Heikkilä 
Signed-off-by: Ramalingam C 
Signed-off-by: Imre Deak 
---
  drivers/gpu/drm/i915/display/intel_fb.c   | 13 ++
  .../drm/i915/display/skl_universal_plane.c| 26 ---
  2 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fb.c 
b/drivers/gpu/drm/i915/display/intel_fb.c
index e9ad142ac40fa..447003a91160e 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -141,6 +141,14 @@ struct intel_modifier_desc {
  
  static const struct intel_modifier_desc intel_modifiers[] = {

{
+   .modifier = I915_FORMAT_MOD_4_TILED_DG2_MC_CCS,
+   .display_ver = { 13, 13 },
+   .plane_caps = INTEL_PLANE_CAP_TILING_4 | INTEL_PLANE_CAP_CCS_MC,
+   }, {
+   .modifier = I915_FORMAT_MOD_4_TILED_DG2_RC_CCS,
+   .display_ver = { 13, 13 },
+   .plane_caps = INTEL_PLANE_CAP_TILING_4 | INTEL_PLANE_CAP_CCS_RC,
+   }, {
.modifier = I915_FORMAT_MOD_4_TILED,
.display_ver = { 13, 13 },
.plane_caps = INTEL_PLANE_CAP_TILING_4,
@@ -550,6 +558,8 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, 
int color_plane)
return 128;
else
return 512;
+   case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
+   case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
case I915_FORMAT_MOD_4_TILED:
/*
 * Each 4K tile consists of 64B(8*8) subtiles, with
@@ -752,6 +762,9 @@ unsigned int intel_surf_alignment(const struct 
drm_framebuffer *fb,
case I915_FORMAT_MOD_4_TILED:
case I915_FORMAT_MOD_Yf_TILED:
return 1 * 1024 * 1024;
+   case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
+   case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
+   return 16 * 1024;
default:
MISSING_CASE(fb->modifier);
return 0;
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c 
b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index c57fca1fe6788..b939c503bc6ff 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -773,6 +773,14 @@ static u32 skl_plane_ctl_tiling(u64 fb_modifier)
return PLANE_CTL_TILED_Y;
case I915_FORMAT_MOD_4_TILED:
return PLANE_CTL_TILED_4;
+   case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
+   return PLANE_CTL_TILED_4 |
+   PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
+   PLANE_CTL_CLEAR_COLOR_DISABLE;
+   case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
+   return PLANE_CTL_TILED_4 |
+   PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE |
+   PLANE_CTL_CLEAR_COLOR_DISABLE;
case I915_FORMAT_MOD_Y_TILED_CCS:
case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
return PLANE_CTL_TILED_Y | 
PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
@@ -2168,6 +2176,10 @@ static bool gen12_plane_has_mc_ccs(struct 
drm_i915_private *i915,
if (IS_ADLP_DISPLAY_STEP(i915, STEP_A0, STEP_B0))
return false;
  
+	/* Wa_14013215631 */

+   if (IS_DG2_DISPLAY_STEP(i915, STEP_A0, STEP_C0))
+   return false;
+
return plane_id < PLANE_SPRITE4;
  }
  
@@ -2415,9 +2427,10 @@ skl_get_initial_plane_config(struct intel_crtc *crtc,

case PLANE_CTL_TILED_Y:
plane_config->tiling = I915_TILING_Y;
if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
-   fb->modifier = DISPLAY_VER(dev_priv) >= 12 ?
-   I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS :
-   I915_FORMAT_MOD_Y_TILED_CCS;
+   if (DISPLAY_VER(dev_priv) >= 12)
+   fb->modifier = 
I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS;
+   else
+   fb->modifier = 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
@@ -2425,7 +2438,12 @@ skl_get_initial_plane_config(struct intel_crtc *crtc,
break;
case PLANE_CTL_TILED_YF: /* aka PLANE_CTL_TILED_4 on XE_LPD+ */
if (HAS_4TILE(dev_priv)) {
-   fb->modifier = 

[Intel-gfx] [PATCH 2/4] drm/i915/dg2: Add support for DG2 render and media compression

2022-04-04 Thread Imre Deak
From: Matt Roper 

Add support for DG2 render and media compression, for the description of
buffer layouts see the previous patch adding the corresponding
frame buffer modifiers.

v2:
  Display version fix [Imre]
v3:
  Split out modifier addition to separate patch.

Signed-off-by: Matt Roper 
cc: Radhakrishna Sripada 
Signed-off-by: Mika Kahola 
cc: Anshuman Gupta 
Signed-off-by: Juha-Pekka Heikkilä 
Signed-off-by: Ramalingam C 
Signed-off-by: Imre Deak 
---
 drivers/gpu/drm/i915/display/intel_fb.c   | 13 ++
 .../drm/i915/display/skl_universal_plane.c| 26 ---
 2 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_fb.c 
b/drivers/gpu/drm/i915/display/intel_fb.c
index e9ad142ac40fa..447003a91160e 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -141,6 +141,14 @@ struct intel_modifier_desc {
 
 static const struct intel_modifier_desc intel_modifiers[] = {
{
+   .modifier = I915_FORMAT_MOD_4_TILED_DG2_MC_CCS,
+   .display_ver = { 13, 13 },
+   .plane_caps = INTEL_PLANE_CAP_TILING_4 | INTEL_PLANE_CAP_CCS_MC,
+   }, {
+   .modifier = I915_FORMAT_MOD_4_TILED_DG2_RC_CCS,
+   .display_ver = { 13, 13 },
+   .plane_caps = INTEL_PLANE_CAP_TILING_4 | INTEL_PLANE_CAP_CCS_RC,
+   }, {
.modifier = I915_FORMAT_MOD_4_TILED,
.display_ver = { 13, 13 },
.plane_caps = INTEL_PLANE_CAP_TILING_4,
@@ -550,6 +558,8 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, 
int color_plane)
return 128;
else
return 512;
+   case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
+   case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
case I915_FORMAT_MOD_4_TILED:
/*
 * Each 4K tile consists of 64B(8*8) subtiles, with
@@ -752,6 +762,9 @@ unsigned int intel_surf_alignment(const struct 
drm_framebuffer *fb,
case I915_FORMAT_MOD_4_TILED:
case I915_FORMAT_MOD_Yf_TILED:
return 1 * 1024 * 1024;
+   case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
+   case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
+   return 16 * 1024;
default:
MISSING_CASE(fb->modifier);
return 0;
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c 
b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index c57fca1fe6788..b939c503bc6ff 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -773,6 +773,14 @@ static u32 skl_plane_ctl_tiling(u64 fb_modifier)
return PLANE_CTL_TILED_Y;
case I915_FORMAT_MOD_4_TILED:
return PLANE_CTL_TILED_4;
+   case I915_FORMAT_MOD_4_TILED_DG2_RC_CCS:
+   return PLANE_CTL_TILED_4 |
+   PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
+   PLANE_CTL_CLEAR_COLOR_DISABLE;
+   case I915_FORMAT_MOD_4_TILED_DG2_MC_CCS:
+   return PLANE_CTL_TILED_4 |
+   PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE |
+   PLANE_CTL_CLEAR_COLOR_DISABLE;
case I915_FORMAT_MOD_Y_TILED_CCS:
case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
return PLANE_CTL_TILED_Y | 
PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
@@ -2168,6 +2176,10 @@ static bool gen12_plane_has_mc_ccs(struct 
drm_i915_private *i915,
if (IS_ADLP_DISPLAY_STEP(i915, STEP_A0, STEP_B0))
return false;
 
+   /* Wa_14013215631 */
+   if (IS_DG2_DISPLAY_STEP(i915, STEP_A0, STEP_C0))
+   return false;
+
return plane_id < PLANE_SPRITE4;
 }
 
@@ -2415,9 +2427,10 @@ skl_get_initial_plane_config(struct intel_crtc *crtc,
case PLANE_CTL_TILED_Y:
plane_config->tiling = I915_TILING_Y;
if (val & PLANE_CTL_RENDER_DECOMPRESSION_ENABLE)
-   fb->modifier = DISPLAY_VER(dev_priv) >= 12 ?
-   I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS :
-   I915_FORMAT_MOD_Y_TILED_CCS;
+   if (DISPLAY_VER(dev_priv) >= 12)
+   fb->modifier = 
I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS;
+   else
+   fb->modifier = 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
@@ -2425,7 +2438,12 @@ skl_get_initial_plane_config(struct intel_crtc *crtc,
break;
case PLANE_CTL_TILED_YF: /* aka PLANE_CTL_TILED_4 on XE_LPD+ */
if (HAS_4TILE(dev_priv)) {
-   fb->modifier = I915_FORMAT_MOD_4_TILED;
+   if (val &