Quoting Dong, Chuanxiao (2017-08-09 01:26:00)
> > -Original Message-
> > From: Thierry, Michel
> > Sent: Tuesday, August 8, 2017 1:40 AM
> > To: Chris Wilson ; intel-gfx@lists.freedesktop.org
> > Cc: Dong, Chuanxiao ; Ursulin, Tvrtko
> > ; Winiarski, Michal
> > Subject: Re: [PATCH] drm/i91
> -Original Message-
> From: Thierry, Michel
> Sent: Tuesday, August 8, 2017 1:40 AM
> To: Chris Wilson ; intel-gfx@lists.freedesktop.org
> Cc: Dong, Chuanxiao ; Ursulin, Tvrtko
> ; Winiarski, Michal
> Subject: Re: [PATCH] drm/i915: Clear lost context-switch interrupts across
> reset
>
>
On 8/7/2017 5:19 AM, Chris Wilson wrote:
During a global reset, we disable the irq. As we disable the irq, the
hardware may be raising a GT interrupt that we then ignore, leaving it
pending in the GTIIR. After the reset, we then re-enable the irq,
triggering the pending interrupt. However, that i
During a global reset, we disable the irq. As we disable the irq, the
hardware may be raising a GT interrupt that we then ignore, leaving it
pending in the GTIIR. After the reset, we then re-enable the irq,
triggering the pending interrupt. However, that interrupt was for the
stale state from befor