[Intel-gfx] [PATCH v10 1/6] drm/i915/perf: fix flex eu registers programming

[Lionel Landwerlin]

On 03/08/17 18:07, Chris Wilson wrote:
> Quoting Lionel Landwerlin (2017-08-03 17:58:07)
>> We were reserving fewer dwords in the ring than necessary. Indeed
>> we're always writing all registers once, so discard the actual number
>> of registers given by the user and just program the whitelisted ones
>> once.
>>
>> Fixes: 19f81df2859e ("drm/i915/perf: Add OA unit support for Gen 8+")
>> Reported-by: Matthew Auld <matthew.william.auld at gmail.com>
>> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
>> Reviewed-by: Matthew Auld <matthew.auld at intel.com>
>> Cc: <stable at vger.kernel.org> # v4.12+
> For reference, if you enable CONFIG_DRM_I915_DEBUG_GEM it should catch
> these mistakes (by bugging out, you are using netconsole, right?)
> -Chris
>
Thanks, I haven't actually tried it. Will do.