From: Andy Yan <andy....@rock-chips.com>

The Cluster windows on rk3566/8 only support afbc mode.

Fixes: 604be85547ce ("drm/rockchip: Add VOP2 driver")
Signed-off-by: Andy Yan <andy....@rock-chips.com>

---

Changes in v6:
- Move the linear check to format_mod_supported() hook

Changes in v5:
- Added in V5

 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c 
b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index f143df2b13a1..94f77faf14d1 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -593,6 +593,16 @@ static bool rockchip_vop2_mod_supported(struct drm_plane 
*plane, u32 format,
        if (modifier == DRM_FORMAT_MOD_INVALID)
                return false;
 
+       if (vop2->data->soc_id == 3568 || vop2->data->soc_id == 3566) {
+               if (vop2_cluster_window(win)) {
+                       if (modifier == DRM_FORMAT_MOD_LINEAR) {
+                               drm_dbg_kms(vop2->drm,
+                                           "Cluster window only support format 
with afbc\n");
+                               return false;
+                       }
+               }
+       }
+
        if (modifier == DRM_FORMAT_MOD_LINEAR)
                return true;
 
-- 
2.34.1

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