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authorAlex Bee <knaerzche@gmail.com>2021-05-28 16:05:54 +0300
committerHeiko Stuebner <heiko@sntech.de>2021-05-28 20:28:40 +0300
commit046e0db975695540c9d9898cdbf0b60533d28afb (patch)
treee7aabda38b36c9ab90648373bfcbab3a490a313b /drivers/gpu/drm/rockchip
parentd099fa672cbe8766d9182e0fd04c65058200128a (diff)
downloadlinux-046e0db975695540c9d9898cdbf0b60533d28afb.tar.xz
drm: rockchip: set alpha_en to 0 if it is not used
alpha_en should be set to 0 if it is not used, i.e. to disable alpha blending if it was enabled before and should be disabled now. Fixes: 2aae8ed1f390 ("drm/rockchip: Add per-pixel alpha support for the PX30 VOP") Signed-off-by: Alex Bee <knaerzche@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20210528130554.72191-6-knaerzche@gmail.com
Diffstat (limited to 'drivers/gpu/drm/rockchip')
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_vop.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 64469439ddf2..f5b9028a16a3 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1022,6 +1022,7 @@ static void vop_plane_atomic_update(struct drm_plane *plane,
VOP_WIN_SET(vop, win, alpha_en, 1);
} else {
VOP_WIN_SET(vop, win, src_alpha_ctl, SRC_ALPHA_EN(0));
+ VOP_WIN_SET(vop, win, alpha_en, 0);
}
VOP_WIN_SET(vop, win, enable, 1);