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drm/i915/lnl: update the supported plane formats with FBC

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FBC is supported with RGB32 8:8:8:8 with or without alpha

Bspec: 68904, 69560
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230922133003.150578-3-vinod.govindapillai@intel.com
This commit is contained in:
Vinod Govindapillai
2023-09-22 16:30:03 +03:00
committed by Ville Syrjälä
parent de1ee4e4cd
commit f2a7b9cd5b
1 changed files with 7 additions and 1 deletions
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8
drivers/gpu/drm/i915/display/intel_fbc.c
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@@ -903,6 +903,11 @@ static bool pixel_format_is_valid(const struct intel_plane_state *plane_state)
if (IS_G4X(i915))
return false;
return true;
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_ABGR8888:
if (DISPLAY_VER(i915) >= 20)
return true;
fallthrough;
default:
return false;
}
@@ -1132,7 +1137,8 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state,
return 0;
}
if (plane_state->hw.pixel_blend_mode != DRM_MODE_BLEND_PIXEL_NONE &&
if (DISPLAY_VER(i915) < 20 &&
plane_state->hw.pixel_blend_mode != DRM_MODE_BLEND_PIXEL_NONE &&
fb->format->has_alpha) {
plane_state->no_fbc_reason = "per-pixel alpha not supported";
return 0;