diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 52 |
1 files changed, 36 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 650e01f0c197..36434c5359b1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3155,6 +3155,10 @@ 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; @@ -3568,29 +3572,38 @@ static u32 skl_plane_ctl_format(uint32_t pixel_format) return 0; } -/* - * XXX: For ARBG/ABGR formats we default to expecting scanout buffers - * to be already pre-multiplied. We need to add a knob (or a different - * DRM_FORMAT) for user-space to configure that. - */ -static u32 skl_plane_ctl_alpha(uint32_t pixel_format) +static u32 skl_plane_ctl_alpha(const struct intel_plane_state *plane_state) { - switch (pixel_format) { - case DRM_FORMAT_ABGR8888: - case DRM_FORMAT_ARGB8888: + if (!plane_state->base.fb->format->has_alpha) + return PLANE_CTL_ALPHA_DISABLE; + + switch (plane_state->base.pixel_blend_mode) { + case DRM_MODE_BLEND_PIXEL_NONE: + return PLANE_CTL_ALPHA_DISABLE; + case DRM_MODE_BLEND_PREMULTI: return PLANE_CTL_ALPHA_SW_PREMULTIPLY; + case DRM_MODE_BLEND_COVERAGE: + return PLANE_CTL_ALPHA_HW_PREMULTIPLY; default: + MISSING_CASE(plane_state->base.pixel_blend_mode); return PLANE_CTL_ALPHA_DISABLE; } } -static u32 glk_plane_color_ctl_alpha(uint32_t pixel_format) +static u32 glk_plane_color_ctl_alpha(const struct intel_plane_state *plane_state) { - switch (pixel_format) { - case DRM_FORMAT_ABGR8888: - case DRM_FORMAT_ARGB8888: + if (!plane_state->base.fb->format->has_alpha) + return PLANE_COLOR_ALPHA_DISABLE; + + switch (plane_state->base.pixel_blend_mode) { + case DRM_MODE_BLEND_PIXEL_NONE: + return PLANE_COLOR_ALPHA_DISABLE; + case DRM_MODE_BLEND_PREMULTI: return PLANE_COLOR_ALPHA_SW_PREMULTIPLY; + case DRM_MODE_BLEND_COVERAGE: + return PLANE_COLOR_ALPHA_HW_PREMULTIPLY; default: + MISSING_CASE(plane_state->base.pixel_blend_mode); return PLANE_COLOR_ALPHA_DISABLE; } } @@ -3667,7 +3680,7 @@ u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state, plane_ctl = PLANE_CTL_ENABLE; if (INTEL_GEN(dev_priv) < 10 && !IS_GEMINILAKE(dev_priv)) { - plane_ctl |= skl_plane_ctl_alpha(fb->format->format); + plane_ctl |= skl_plane_ctl_alpha(plane_state); plane_ctl |= PLANE_CTL_PIPE_GAMMA_ENABLE | PLANE_CTL_PIPE_CSC_ENABLE | @@ -3709,7 +3722,7 @@ u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state, plane_color_ctl |= PLANE_COLOR_PIPE_CSC_ENABLE; } plane_color_ctl |= PLANE_COLOR_PLANE_GAMMA_DISABLE; - plane_color_ctl |= glk_plane_color_ctl_alpha(fb->format->format); + plane_color_ctl |= glk_plane_color_ctl_alpha(plane_state); if (fb->format->is_yuv) { if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709) @@ -13863,7 +13876,7 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) DRM_MODE_ROTATE_0, supported_rotations); - if (INTEL_GEN(dev_priv) >= 9) + if (INTEL_GEN(dev_priv) >= 9) { drm_plane_create_color_properties(&primary->base, BIT(DRM_COLOR_YCBCR_BT601) | BIT(DRM_COLOR_YCBCR_BT709), @@ -13872,6 +13885,13 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) DRM_COLOR_YCBCR_BT709, DRM_COLOR_YCBCR_LIMITED_RANGE); + drm_plane_create_alpha_property(&primary->base); + drm_plane_create_blend_mode_property(&primary->base, + BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE)); + } + drm_plane_helper_add(&primary->base, &intel_plane_helper_funcs); return primary; |