struct rockchip_crtc_state members such as output_type, output_bpc and
enable_afbc is always reset to zero in the atomic_duplicate_state crtc
funcs.
Fix this by using kmemdup on the subclass rockchip_crtc_state struct.
Fixes: 4e257d9eee23 ("drm/rockchip: get rid of rockchip_drm_crtc_mode_config")
Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index a530ecc4d207..60b23636a3fe 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1614,7 +1614,8 @@ static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
if (WARN_ON(!crtc->state))
return NULL;
- rockchip_state = kzalloc(sizeof(*rockchip_state), GFP_KERNEL);
+ rockchip_state = kmemdup(to_rockchip_crtc_state(crtc->state),
+ sizeof(*rockchip_state), GFP_KERNEL);
if (!rockchip_state)
return NULL;
--
2.41.0
