[Intel-gfx] [PATCH 06/10] drm/i915: make gpu hangman more resilient

[Eugeni Dodonov]

On 04/27/2012 10:17 AM, Daniel Vetter wrote:
> - reset the stop_rings infrastructure while resetting the hw to
>    avoid angering the hangcheck right away (and potentially declaring
>    the gpu permanently wedged).
>
> - ignore reset failures when hanging due to the hangman - we don't
>    have reset code for all generations.
>
> v2: Ensure that we only ignore reset failures when the hw reset is not
> implemented and not when it failed.
>
> Signed-off-by: Daniel Vetter<daniel.vetter at ffwll.ch>

Reviewed-by: Eugeni Dodonov <eugeni.dodonov at intel.com>