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| author | Alex Bee <knaerzche@gmail.com> | 2021-05-28 16:05:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-14 17:56:16 +0300 |
| commit | ef61b0826c81497b581eaacde39b6d95fee2ac09 (patch) | |
| tree | 66f46791dbdfc40d6c107043b59eec5acfce14bf | |
| parent | 7902ee2faefa2c5a4cbc1b8a5f7e6f11d57f2814 (diff) | |
| download | linux-ef61b0826c81497b581eaacde39b6d95fee2ac09.tar.xz | |
drm: rockchip: set alpha_en to 0 if it is not used
[ Upstream commit 046e0db975695540c9d9898cdbf0b60533d28afb ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 1 |
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 c80f7d9fd13f..0f23144491e4 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1013,6 +1013,7 @@ 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); |