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drm/i915: Move the SKL+ zero constant alpha handling

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Let's run through the entire plane check even when the plane
is invisible due to zero constant alpha. This makes for more
consistent behaviour since we check the src/dst coordinates,
stride etc. against the hardware limits.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181018195921.9898-2-ville.syrjala@linux.intel.com
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2018-10-18 22:59:21 +03:00
parent 1f6f92a3d5
commit 52fb7d295c
2 changed files with 4 additions and 4 deletions
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4
drivers/gpu/drm/i915/intel_display.c
View File

@ -3113,10 +3113,6 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state)
if (ret)
return ret;
/* HW only has 8 bits pixel precision, disable plane if invisible */
if (!(plane_state->base.alpha >> 8))
plane_state->base.visible = false;
if (!plane_state->base.visible)
return 0;

4
drivers/gpu/drm/i915/intel_sprite.c
View File

@ -1405,6 +1405,10 @@ static int skl_plane_check(struct intel_crtc_state *crtc_state,
if (ret)
return ret;
/* HW only has 8 bits pixel precision, disable plane if invisible */
if (!(plane_state->base.alpha >> 8))
plane_state->base.visible = false;
plane_state->ctl = skl_plane_ctl(crtc_state, plane_state);
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))