[Intel-gfx] [PATCH] drm/i915: Fix the port submission race during engine reset in execlists mode

[Dong, Chuanxiao]

> -----Original Message-----
> From: Chris Wilson [mailto:chris at chris-wilson.co.uk]
> Sent: Wednesday, July 19, 2017 5:26 PM
> To: Dong, Chuanxiao <chuanxiao.dong at intel.com>; intel-
> gfx at lists.freedesktop.org
> Cc: intel-gvt-dev at lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] drm/i915: Fix the port submission race during
> engine reset in execlists mode
> 
> Quoting Chuanxiao Dong (2017-07-19 09:14:14)
> > During the engine reset, there is a race condition which can make the
> > request submitted to HW twice. This is due to the irq tasklet function
> > enabled too earliy which is just before init_hw callback. This patch
> > will move the irq tasklet enabling after init_hw to resolve this race.
> 
> This is not the only bug here. Please have a look at the series
> https://patchwork.freedesktop.org/series/27385/
> -Chris

Thanks Chris for the sharing. I should did a search first before sending this patch :) . And your fixes has already included this one. This patch can be dropped.

Thanks
Chuanxiao