Re: [PATCH 03/15] dmr/msm: cleanup: drm_modeset_lock_all_ctx() --> DRM_MODESET_LOCK_ALL_BEGIN()

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On Thu, Sep 16, 2021 at 11:15:40PM +0200, Fernando Ramos wrote:
> As requested in Documentation/gpu/todo.rst, replace the boilerplate code
> surrounding drm_modeset_lock_all_ctx() with DRM_MODESET_LOCK_ALL_BEGIN()
> and DRM_MODESET_LOCK_ALL_END()
> 

With the subject fixed (s/dmr/drm/),

Reviewed-by: Sean Paul <sean@xxxxxxxxxx>

> Signed-off-by: Fernando Ramos <greenfoo@xxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
> index cabe15190ec1..c83db90b0e02 100644
> --- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
> +++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
> @@ -99,20 +99,18 @@ static void msm_disp_capture_atomic_state(struct msm_disp_state *disp_state)
>  {
>  	struct drm_device *ddev;
>  	struct drm_modeset_acquire_ctx ctx;
> +	int ret;
>  
>  	disp_state->timestamp = ktime_get();
>  
>  	ddev = disp_state->drm_dev;
>  
> -	drm_modeset_acquire_init(&ctx, 0);
> -
> -	while (drm_modeset_lock_all_ctx(ddev, &ctx) != 0)
> -		drm_modeset_backoff(&ctx);
> +	DRM_MODESET_LOCK_ALL_BEGIN(ddev, ctx, 0, ret);
>  
>  	disp_state->atomic_state = drm_atomic_helper_duplicate_state(ddev,
>  			&ctx);
> -	drm_modeset_drop_locks(&ctx);
> -	drm_modeset_acquire_fini(&ctx);
> +
> +	DRM_MODESET_LOCK_ALL_END(ddev, ctx, ret);
>  }
>  
>  void msm_disp_snapshot_capture_state(struct msm_disp_state *disp_state)
> -- 
> 2.33.0
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS



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