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drm/i915/adl_p: Disable CCS on a-step (Wa_22011186057)

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Buffer compression is not usable in A stepping.

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Clinton A Taylor <clinton.a.taylor@intel.com>
Cc: Juha-Pekka Heikkilä <juha-pekka.heikkila@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210514153711.2359617-20-matthew.d.roper@intel.com
This commit is contained in:
José Roberto de Souza
2021-05-14 08:37:11 -07:00
committed by Matt Roper
parent 2680bea758
commit 1a7910368c
1 changed files with 19 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/i915/display/skl_universal_plane.c
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@@ -199,6 +199,13 @@ static const u64 gen12_plane_format_modifiers_rc_ccs[] = {
DRM_FORMAT_MOD_INVALID
};
static const u64 adlp_step_a_plane_format_modifiers[] = {
I915_FORMAT_MOD_Y_TILED,
I915_FORMAT_MOD_X_TILED,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
{
switch (format) {
@@ -1881,6 +1888,10 @@ static bool gen12_plane_supports_mc_ccs(struct drm_i915_private *dev_priv,
IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0))
return false;
/* Wa_22011186057 */
if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0))
return false;
return plane_id < PLANE_SPRITE4;
}
@@ -1898,8 +1909,12 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
case DRM_FORMAT_MOD_LINEAR:
case I915_FORMAT_MOD_X_TILED:
case I915_FORMAT_MOD_Y_TILED:
break;
case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS_CC:
/* Wa_22011186057 */
if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0))
return false;
break;
default:
return false;
@@ -1954,7 +1969,10 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
static const u64 *gen12_get_plane_modifiers(struct drm_i915_private *dev_priv,
enum plane_id plane_id)
{
if (gen12_plane_supports_mc_ccs(dev_priv, plane_id))
/* Wa_22011186057 */
if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0))
return adlp_step_a_plane_format_modifiers;
else if (gen12_plane_supports_mc_ccs(dev_priv, plane_id))
return gen12_plane_format_modifiers_mc_ccs;
else
return gen12_plane_format_modifiers_rc_ccs;