Re: [Intel-gfx] [PATCH 0/8] Organize and offload aux retries to drm. (v2)

Daniel Stone
2015-11-24T17:10:56Z

Hi Rodrigo,

On 21 November 2015 at 00:46, Rodrigo Vivi <rodrigo.vivi@intel.com> wrote:
> The goal of this series is to remove many different retries we have
> for aux communication and offload them to drm.
>
> However on first attempt I was only returning EBUSY to use drm retries
> but there was no waiting there. So this series also introduce a new
> approach on drm level to retry on aux communication failures:
>
> 1 - EAGAIN: Immediatelly retry since HW might already taken care of the
> needed waitings.
> 2 - EBUSY: Something is probably busy and we are not getting what we
> expected so wait 1ms before trying again so we give time to aux
> channels to recover.

I know there are still some review comments to resolve, but for the
series (except Nouveau):
Tested-by: Daniel Stone <daniels@collabora.com> # SKL

I used to see this pretty frequently, but not since.

Cheers,
Daniel
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