[Intel-gfx] [PATCH] drm/i915: Update ring space correctly on lrc context reset

Jani Nikula jani.nikula at linux.intel.com
Tue Oct 13 06:02:02 PDT 2015

On Wed, 02 Sep 2015, Arun Siluvery <arun.siluvery at linux.intel.com> wrote:
> On 20/08/2015 16:27, Chris Wilson wrote:
>> On Thu, Aug 20, 2015 at 05:34:59PM +0300, Mika Kuoppala wrote:
>>> If we leave the last_retired_head to pre-reset value, we might
>>> end up in a situation where intel_ring_space() returns wrong
>>> value on next hardware init.
>> http://patchwork.freedesktop.org/patch/46612/
>> and earlier
>> -Chris
> Hi Chris,
> I see the warning even with below batch,
> [Intel-gfx] [PATCH 50/70] drm/i915: The argument for postfix is redundant
> http://patchwork.freedesktop.org/patch/46601/
> the following patch need to be updated as it uses olr,
> [Intel-gfx] [PATCH 51/70] drm/i915: Record the position of the start of 
> the request
> http://patchwork.freedesktop.org/patch/46612/
> Do we need some of the previous patches in series as well?
> This patch is fixing the issue in the current code, do you think we can 
> get this in its current state?

Is this patch still valid?


Jani Nikula, Intel Open Source Technology Center

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