Re: [PATCH v3 05/10] drm/i915: No need to wait for idle on L3 remap

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Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:

> [ text/plain ]
> As the L3 remapping is applied before the next execution, there is no
> need to wait until all previous uses are idle, the application will not
> occur any sooner.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>

Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/i915_sysfs.c | 7 -------
>  1 file changed, 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
> index 02507bfc8def..a6e90fe05a1e 100644
> --- a/drivers/gpu/drm/i915/i915_sysfs.c
> +++ b/drivers/gpu/drm/i915/i915_sysfs.c
> @@ -227,13 +227,6 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
>  		}
>  	}
>  
> -	ret = i915_gpu_idle(drm_dev);
> -	if (ret) {
> -		kfree(temp);
> -		mutex_unlock(&drm_dev->struct_mutex);
> -		return ret;
> -	}
> -
>  	/* TODO: Ideally we really want a GPU reset here to make sure errors
>  	 * aren't propagated. Since I cannot find a stable way to reset the GPU
>  	 * at this point it is left as a TODO.
> -- 
> 2.8.1
>
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