From: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
The enable bit and transform offset of cluster windows should be
cleared when it work at linear mode, or we may have a iommu fault
issue.
Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 0f7b68c5fdf2..02b76a85f22f 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -1307,6 +1307,11 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
vop2_win_write(win, VOP2_WIN_AFBC_ROTATE_270, rotate_270);
vop2_win_write(win, VOP2_WIN_AFBC_ROTATE_90, rotate_90);
} else {
+ if (vop2_cluster_window(win)) {
+ vop2_win_write(win, VOP2_WIN_AFBC_ENABLE, 0);
+ vop2_win_write(win, VOP2_WIN_AFBC_TRANSFORM_OFFSET, 0);
+ }
+
vop2_win_write(win, VOP2_WIN_YRGB_VIR, DIV_ROUND_UP(fb->pitches[0], 4));
}
--
2.34.1
