[Intel-gfx] [PATCH 6/9] drm/i915/dp: Remove redundant sleep after AUX transaction length check.

[David Weinehall]

On Fri, Jan 26, 2018 at 06:49:20PM -0800, Dhinakaran Pandiyan wrote:
> The core already takes care of the delay before retrying. The delay now
> changes to (500, 600)us instead of (500 + 1000, 600 + 1500)us.

Reviewed-by: David Weinehall <david.weinehall at linux.intel.com>

> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dp.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 2454326690fb..97a4557053db 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -1189,14 +1189,6 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
>  	if (recv_bytes == 0 || recv_bytes > 20) {
>  		DRM_DEBUG_KMS("Forbidden recv_bytes = %d on aux transaction\n",
>  			      recv_bytes);
> -		/*
> -		 * FIXME: This patch was created on top of a series that
> -		 * organize the retries at drm level. There EBUSY should
> -		 * also take care for 1ms wait before retrying.
> -		 * That aux retries re-org is still needed and after that is
> -		 * merged we remove this sleep from here.
> -		 */
> -		usleep_range(1000, 1500);
>  		ret = -EBUSY;
>  		goto out;
>  	}
> -- 
> 2.14.1
> 
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