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Subject[RFC PATCH v2] drm/komeda: Creates plane alpha and blend mode properties
Date
Creates plane alpha and blend mode properties attached to plane.

This patch depends on:
- https://patchwork.freedesktop.org/series/54448/
- https://patchwork.freedesktop.org/series/54449/
- https://patchwork.freedesktop.org/series/54450/

Changes since v1:
- Adds patch denpendency in the comment

Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
---
drivers/gpu/drm/arm/display/komeda/komeda_plane.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
index 68cd2c9e..aae5e80 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_plane.c
@@ -220,6 +220,17 @@ static int komeda_plane_add(struct komeda_kms_dev *kms,

drm_plane_helper_add(plane, &komeda_plane_helper_funcs);

+ err = drm_plane_create_alpha_property(plane);
+ if (err)
+ goto cleanup;
+
+ err = drm_plane_create_blend_mode_property(plane,
+ BIT(DRM_MODE_BLEND_PIXEL_NONE) |
+ BIT(DRM_MODE_BLEND_PREMULTI) |
+ BIT(DRM_MODE_BLEND_COVERAGE));
+ if (err)
+ goto cleanup;
+
return 0;
cleanup:
komeda_plane_destroy(plane);
--
1.9.1
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