[PATCH 3/3] drm: xlnx: zynqmp_dpsub: Add global alpha support
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: 2021-03-07 04:09:08
Also in:
dri-devel
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for xilinx, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Laurent Pinchart, Tomi Valkeinen, Linus Torvalds
The top (graphics) plane has a global alpha setting. Expose it through the plane's alpha property. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- drivers/gpu/drm/xlnx/zynqmp_disp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 4c23ffc75343..991dd6bebdc7 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c@@ -1173,7 +1173,7 @@ zynqmp_disp_plane_atomic_disable(struct drm_plane *plane, if (layer->id == ZYNQMP_DISP_LAYER_GFX) zynqmp_disp_blend_set_global_alpha(&layer->disp->blend, false, - 0); + plane->state->alpha >> 8); } static void
@@ -1203,7 +1203,7 @@ zynqmp_disp_plane_atomic_update(struct drm_plane *plane, if (layer->id == ZYNQMP_DISP_LAYER_GFX) zynqmp_disp_blend_set_global_alpha(&layer->disp->blend, true, - 255); + plane->state->alpha >> 8); /* Enable or re-enable the plane is the format has changed. */ if (format_changed)
@@ -1262,6 +1262,8 @@ static int zynqmp_disp_create_planes(struct zynqmp_disp *disp) &zynqmp_disp_plane_helper_funcs); drm_plane_create_zpos_immutable_property(&layer->plane, i); + if (type == DRM_PLANE_TYPE_OVERLAY) + drm_plane_create_alpha_property(&layer->plane); } return 0;
--
Regards,
Laurent Pinchart
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