[PATCH v2 2/3] drm: xlnx: zynqmp_dpsub: Add global alpha support
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: 2021-05-20 12:21:54
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 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 | 9 +++++++-- 1 file 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;
--
Regards,
Laurent Pinchart
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