Re: [PATCH v6 7/7] drm: writeback: Modify cleanup_writeback_job helper

[Alex Hung <alex.hung@amd.com>]

Reviewed-by: Alex Hung <alex.hung@amd.com>

On 7/13/26 22:28, Suraj Kandpal wrote:
> The cleanup_writeback_job() connector helper hook needs access to
> the parent drm_connector object as well as the drm_writeback_connector
> object itself. So, pass in the top level drm_connector and traverse
> down to drm_writeback_connector rather than passing in the lower
> level object and traversing back up. This also makes it uniform
> with the params passed to other drm_connector_helper_funcs hooks.
> 
> Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> Reviewed-by: John Harrison <John.Harrison@Igalia.com>
> ---
> v5 -> v6:
> - Rebase over latest kernel
> 
> v3 -> v4:
> - Update subject line for consitency (John)
> - Update commit message across commits for consitency (John)
> 
>   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c | 4 ++--
>   drivers/gpu/drm/drm_writeback.c                      | 2 +-
>   drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c        | 3 +--
>   drivers/gpu/drm/renesas/rcar-du/rcar_du_writeback.c  | 5 ++---
>   drivers/gpu/drm/vkms/vkms_writeback.c                | 5 +----
>   include/drm/drm_modeset_helper_vtables.h             | 2 +-
>   6 files changed, 8 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c
> index e0425eda0bb6..6fd1376fbc1a 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c
> @@ -147,8 +147,8 @@ static int amdgpu_dm_wb_prepare_job(struct drm_connector *connector,
>   	return r;
>   }
>   
> -static void amdgpu_dm_wb_cleanup_job(struct drm_writeback_connector *connector,
> -				struct drm_writeback_job *job)
> +static void amdgpu_dm_wb_cleanup_job(struct drm_connector *connector,
> +				     struct drm_writeback_job *job)
>   {
>   	struct amdgpu_bo *rbo;
>   	int r;
> diff --git a/drivers/gpu/drm/drm_writeback.c b/drivers/gpu/drm/drm_writeback.c
> index e6b52de69ad6..c8cc09118a6e 100644
> --- a/drivers/gpu/drm/drm_writeback.c
> +++ b/drivers/gpu/drm/drm_writeback.c
> @@ -450,7 +450,7 @@ void drm_writeback_cleanup_job(struct drm_writeback_job *job)
>   		connector->helper_private;
>   
>   	if (job->prepared && funcs->cleanup_writeback_job)
> -		funcs->cleanup_writeback_job(wb_connector, job);
> +		funcs->cleanup_writeback_job(connector, job);
>   
>   	if (job->fb)
>   		drm_framebuffer_put(job->fb);
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c
> index 061e6960c09b..c6396ac1f64c 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c
> @@ -100,10 +100,9 @@ static int dpu_wb_conn_prepare_job(struct drm_connector *connector,
>   	return 0;
>   }
>   
> -static void dpu_wb_conn_cleanup_job(struct drm_writeback_connector *wb_connector,
> +static void dpu_wb_conn_cleanup_job(struct drm_connector *connector,
>   		struct drm_writeback_job *job)
>   {
> -	struct drm_connector *connector = drm_writeback_to_connector(wb_connector);
>   	struct dpu_wb_connector *dpu_wb_conn = to_dpu_wb_conn(connector);
>   
>   	if (!job->fb)
> diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_du_writeback.c b/drivers/gpu/drm/renesas/rcar-du/rcar_du_writeback.c
> index 218b6504cacf..e7d7b221c487 100644
> --- a/drivers/gpu/drm/renesas/rcar-du/rcar_du_writeback.c
> +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_du_writeback.c
> @@ -72,11 +72,10 @@ static int rcar_du_wb_prepare_job(struct drm_connector *connector,
>   	return 0;
>   }
>   
> -static void rcar_du_wb_cleanup_job(struct drm_writeback_connector *connector,
> +static void rcar_du_wb_cleanup_job(struct drm_connector *connector,
>   				   struct drm_writeback_job *job)
>   {
> -	struct drm_connector *conn = drm_writeback_to_connector(connector);
> -	struct rcar_du_crtc *rcrtc = wb_to_rcar_crtc(conn);
> +	struct rcar_du_crtc *rcrtc = wb_to_rcar_crtc(connector);
>   	struct rcar_du_wb_job *rjob = job->priv;
>   
>   	if (!job->fb)
> diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c
> index 86e5b92c7965..775abb4677ef 100644
> --- a/drivers/gpu/drm/vkms/vkms_writeback.c
> +++ b/drivers/gpu/drm/vkms/vkms_writeback.c
> @@ -103,13 +103,10 @@ static int vkms_wb_prepare_job(struct drm_connector *connector,
>   	return ret;
>   }
>   
> -static void vkms_wb_cleanup_job(struct drm_writeback_connector *wb_conn,
> +static void vkms_wb_cleanup_job(struct drm_connector *connector,
>   				struct drm_writeback_job *job)
>   {
>   	struct vkms_writeback_job *vkmsjob = job->priv;
> -	struct drm_connector *connector = container_of(wb_conn,
> -						       struct drm_connector,
> -						       writeback);
>   	struct vkms_output *vkms_output = container_of(connector,
>   						       struct vkms_output,
>   						       wb_connector);
> diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
> index 4e26568a16fb..9ce5ddd82057 100644
> --- a/include/drm/drm_modeset_helper_vtables.h
> +++ b/include/drm/drm_modeset_helper_vtables.h
> @@ -1134,7 +1134,7 @@ struct drm_connector_helper_funcs {
>   	 *
>   	 * This callback is used by the atomic modeset helpers.
>   	 */
> -	void (*cleanup_writeback_job)(struct drm_writeback_connector *connector,
> +	void (*cleanup_writeback_job)(struct drm_connector *connector,
>   				      struct drm_writeback_job *job);
>   
>   	/**