[PATCH 1/2] drm/verisilicon: set blend mode for the primary plane

From: Icenowy Zheng

Date: Tue Sep 01 2026 - 13:43:12 EST


Blend modes are now required to expose pixel formats w/ alpha.

As it's the primary plane and blending is explicitly disabled, just
expose PIXEL_NONE blend mode.

Signed-off-by: Icenowy Zheng <zhengxingda@xxxxxxxxxxx>
---
drivers/gpu/drm/verisilicon/vs_primary_plane.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/verisilicon/vs_primary_plane.c b/drivers/gpu/drm/verisilicon/vs_primary_plane.c
index 1f2be41ae496c..8d58682d88ef8 100644
--- a/drivers/gpu/drm/verisilicon/vs_primary_plane.c
+++ b/drivers/gpu/drm/verisilicon/vs_primary_plane.c
@@ -7,6 +7,7 @@

#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
+#include <drm/drm_blend.h>
#include <drm/drm_crtc.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
@@ -179,5 +180,7 @@ struct drm_plane *vs_primary_plane_init(struct drm_device *drm_dev, struct vs_dc

drm_plane_helper_add(plane, &vs_primary_plane_helper_funcs);

+ drm_plane_create_blend_mode_property(plane,
+ BIT(DRM_MODE_BLEND_PIXEL_NONE));
return plane;
}
--
2.52.0