RE: Enable AMDGPU for CIK by default

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>-----Original Message-----
>From: dri-devel [mailto:dri-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf
>Of Michel Dänzer
>Sent: Monday, November 07, 2016 2:24 AM
>To: Sandeep
>Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
>Subject: Re: Enable AMDGPU for CIK by default
>
>On 07/11/16 03:56 AM, Sandeep wrote:
>> Hello,
>>
>> I was wondering when DRM_AMDGPU_CIK would be turned on by default
>in
>> the upstream kernel (or is this upto individual distros?)
>>
>> Is there any work left to be done/bugs to be fixed before it can be
>> enabled by default?
>
>There are still some functional regressions, notably amdgpu doesn't support
>HDMI/DP audio yet.
>
>Also, simply enabling DRM_AMDGPU_CIK by default isn't a good solution,
>since the radeon driver also still supports the CIK devices, and there's no
>good mechanism to choose which driver gets to drive a particular GPU at
>runtime.

Right... we would need corresponding logic to disable CIK support in radeon. 

Would we need two flags, one for each driver, or could we define a flag at
drivers/gpu/drm level which would choose between radeon and amdgpu for
CIK hardware ? Even as I type that I don't like it... so two flags I guess.

>
>
>--
>Earthling Michel Dänzer               |               http://www.amd.com
>Libre software enthusiast             |             Mesa and X developer
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