On Tue, Jun 20, 2023 at 06:47:36AM +0000, Jonas Karlman wrote:
> 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 <jo...@kwiboo.se>
Reviewed-by: Sascha Hauer <s.ha...@pengutronix.de>
Sascha
> ---
> 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
>
>
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