diff mbox series

[04/11] drm/rockchip: vop2: clear afbc en and transform bit for cluster window at linear mode

Message ID 20231114112742.1771060-1-andyshrk@163.com
State Superseded
Headers show
Series Add VOP2 support on rk3588 | expand

Commit Message

Andy Yan Nov. 14, 2023, 11:27 a.m. UTC 
From: Andy Yan <andy.yan@rock-chips.com>

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@rock-chips.com>
---

 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

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));
 	}