Commit 046e0db9 authored by Alex Bee's avatar Alex Bee Committed by Heiko Stuebner
Browse files

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: 2aae8ed1 ("drm/rockchip: Add per-pixel alpha support for the PX30 VOP")
Signed-off-by: default avatarAlex Bee <knaerzche@gmail.com>
Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210528130554.72191-6-knaerzche@gmail.com
parent d099fa67

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

+1 −0
Original line number Diff line number Diff line
@@ -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);