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;