On Wed, Jun 21, 2023 at 10:33:23PM +0000, Jonas Karlman wrote:
> Add missing call to crtc reset helper to properly vblank reset.
>
> Also move vop2_crtc_reset and call vop2_crtc_destroy_state to simplify
> and remove duplicated code.
>
> Fixes: 604be85547ce ("drm/rockchip: Add VOP2 driver")
> Signed-off-by: Jonas Karlman <jonas@xxxxxxxxx>
> ---
> v2:
> - Add check for allocation failure (Sascha)
Reviewed-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Sascha
>
> drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 31 +++++++++-----------
> 1 file changed, 14 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> index f725487d02ef..5ba83121a1b9 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> @@ -2080,23 +2080,6 @@ static const struct drm_crtc_helper_funcs vop2_crtc_helper_funcs = {
> .atomic_disable = vop2_crtc_atomic_disable,
> };
>
> -static void vop2_crtc_reset(struct drm_crtc *crtc)
> -{
> - struct rockchip_crtc_state *vcstate = to_rockchip_crtc_state(crtc->state);
> -
> - if (crtc->state) {
> - __drm_atomic_helper_crtc_destroy_state(crtc->state);
> - kfree(vcstate);
> - }
> -
> - vcstate = kzalloc(sizeof(*vcstate), GFP_KERNEL);
> - if (!vcstate)
> - return;
> -
> - crtc->state = &vcstate->base;
> - crtc->state->crtc = crtc;
> -}
> -
> static struct drm_crtc_state *vop2_crtc_duplicate_state(struct drm_crtc *crtc)
> {
> struct rockchip_crtc_state *vcstate;
> @@ -2123,6 +2106,20 @@ static void vop2_crtc_destroy_state(struct drm_crtc *crtc,
> kfree(vcstate);
> }
>
> +static void vop2_crtc_reset(struct drm_crtc *crtc)
> +{
> + struct rockchip_crtc_state *vcstate =
> + kzalloc(sizeof(*vcstate), GFP_KERNEL);
> +
> + if (crtc->state)
> + vop2_crtc_destroy_state(crtc, crtc->state);
> +
> + if (vcstate)
> + __drm_atomic_helper_crtc_reset(crtc, &vcstate->base);
> + else
> + __drm_atomic_helper_crtc_reset(crtc, NULL);
> +}
> +
> static const struct drm_crtc_funcs vop2_crtc_funcs = {
> .set_config = drm_atomic_helper_set_config,
> .page_flip = drm_atomic_helper_page_flip,
> --
> 2.41.0
>
>
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