[Intel-gfx] [PATCH] drm/i915: Handle -EDEADLK in drm_atomic_commit from load-detect.

[Ville Syrjälä]

On Mon, Feb 29, 2016 at 09:18:57AM +0100, Maarten Lankhorst wrote:
> CI runs with DEBUG_WW_MUTEX_SLOWPATH, so -EDEADLK occurs a lot more. Handle the case
> where drm_atomic_commit fails with -EDEADLK correctly.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 7c4ce3828d9d..09e4852bd752 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -10557,7 +10557,8 @@ found:
>  		goto fail;
>  	}
>  
> -	if (drm_atomic_commit(state)) {
> +	ret = drm_atomic_commit(state);
> +	if (ret) {
>  		DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n");
>  		goto fail;
>  	}
> 
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-- 
Ville Syrjälä
Intel OTC