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Subject[PATCH v2 04/12] drm/rockchip: vop2: clear afbc en and transform bit for cluster window at linear mode
Date
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>
---

(no changes since v1)

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 639dfebc6bd1..a019cc9bbd54 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -1312,6 +1312,11 @@ 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
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