Re: [PATCH 11/15] drm/msm: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()

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On Thu, Sep 16, 2021 at 11:15:48PM +0200, Fernando Ramos wrote:
> As requested in Documentation/gpu/todo.rst, replace driver calls to
> drm_modeset_lock_all() with DRM_MODESET_LOCK_ALL_BEGIN() and
> DRM_MODESET_LOCK_ALL_END()
> 
> Signed-off-by: Fernando Ramos <greenfoo@xxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index 768012243b44..4cbc79eaee17 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -1172,14 +1172,16 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
>  	struct drm_display_mode *mode;
>  	struct drm_framebuffer *fb;
>  	struct drm_plane_state *state;
> +	struct drm_modeset_acquire_ctx ctx;
>  	struct dpu_crtc_state *cstate;
>  
>  	int i, out_width;
> +	int ret;

Please put ret with i & out_width

>  
>  	dpu_crtc = s->private;
>  	crtc = &dpu_crtc->base;
>  
> -	drm_modeset_lock_all(crtc->dev);
> +	DRM_MODESET_LOCK_ALL_BEGIN(crtc->dev, ctx, 0, ret);
>  	cstate = to_dpu_crtc_state(crtc->state);
>  
>  	mode = &crtc->state->adjusted_mode;
> @@ -1263,7 +1265,7 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
>  		dpu_crtc->vblank_cb_time = ktime_set(0, 0);
>  	}
>  
> -	drm_modeset_unlock_all(crtc->dev);
> +	DRM_MODESET_LOCK_ALL_END(crtc->dev, ctx, ret);
>  
>  	return 0;

Return ret here

>  }
> -- 
> 2.33.0
> 

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



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