FBC is supported with RGB32 8:8:8:8 with or without alpha
Bspec: 68904, 69560
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_fbc.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index aef5a4f6ad09..9b19fe018bce 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -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;
--
2.34.1
