[Intel-gfx] [PATCH] drm/i915: Add I915_PARAM_REVISION

[Jesse Barnes]

On 03/04/2015 06:41 AM, Neil Roberts wrote:
> Adds a parameter which can be used with DRM_I915_GETPARAM to query the
> GPU revision. The intention is to use this in Mesa to implement the
> WaDisableSIMD16On3SrcInstr workaround on Skylake but only for
> revision 2.
> 
> Signed-off-by: Neil Roberts <neil at linux.intel.com>
> ---
> The corresponding Mesa patches are here:
> 
> http://lists.freedesktop.org/archives/mesa-dev/2015-March/078534.html
> 
> and the libdrm patch is here:
> 
> http://lists.freedesktop.org/archives/dri-devel/2015-March/078645.html

Is this just for convenience?  We can get this info w/o privs using
libpciaccess already...

Jesse