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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-03-07 03:56:58 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-08-09 02:28:04 +0300
commit650f12042b85322e1459b7e49d50ae09c60e28d3 (patch)
tree407e88baf24471d0081744a44c3d7fee365ac9dc /drivers/gpu/drm/xlnx/zynqmp_disp.c
parente06926ecc3d04944ffc44069368d9fddf528413f (diff)
downloadlinux-650f12042b85322e1459b7e49d50ae09c60e28d3.tar.xz
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: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/xlnx/zynqmp_disp.c')
-rw-r--r--drivers/gpu/drm/xlnx/zynqmp_disp.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 27b3829fb7e0..d87af7cb3340 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -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;