Commit 650f1204 authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

drm: xlnx: zynqmp_dpsub: Add global alpha support 



The graphics plane has a global alpha setting. Expose it through the
plane's alpha property.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent e06926ec

drivers/gpu/drm/xlnx/zynqmp_disp.c

+7 −2
Original line number Diff line number Diff line
@@ -1164,7 +1164,8 @@ zynqmp_disp_plane_atomic_disable(struct drm_plane *plane, 
	zynqmp_disp_layer_disable(layer);



	if (zynqmp_disp_layer_is_gfx(layer))

		zynqmp_disp_blend_set_global_alpha(layer->disp, false, 0);

		zynqmp_disp_blend_set_global_alpha(layer->disp, false,

						   plane->state->alpha >> 8);

}



static void
@@ -1195,7 +1196,8 @@ zynqmp_disp_plane_atomic_update(struct drm_plane *plane, 
	zynqmp_disp_layer_update(layer, new_state);



	if (zynqmp_disp_layer_is_gfx(layer))

		zynqmp_disp_blend_set_global_alpha(layer->disp, true, 255);

		zynqmp_disp_blend_set_global_alpha(layer->disp, true,

						   plane->state->alpha >> 8);



	/* Enable or re-enable the plane is the format has changed. */

	if (format_changed)
@@ -1249,6 +1251,9 @@ static int zynqmp_disp_create_planes(struct zynqmp_disp *disp) 


		drm_plane_helper_add(&layer->plane,

				     &zynqmp_disp_plane_helper_funcs);



		if (zynqmp_disp_layer_is_gfx(layer))

			drm_plane_create_alpha_property(&layer->plane);

	}



	return 0;