[Dali] Raven 2 detection Patch

Alex Deucher alexdeucher at gmail.com
Wed Feb 5 20:33:03 UTC 2020


just a couple of typos in the patch title:
drm\amdgpu: [DALI] Dali Varient Detection
It should be:
drm/amdgpu: [DALI] Dali Variant Detection
With that fixed, patch is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

On Wed, Feb 5, 2020 at 9:59 AM Tawfik, Aly <Aly.Tawfik at amd.com> wrote:
>
> Hi,
>
>
>
> Dali is a raven2 based asic that drives at a lower (6W) TDP than other raven 2 chips. Currently the fused internal id is the same on all raven 2 boards, this means that the detection process must be done through PCIE REV ID.
>
> Unfortunately PCIE REV ID is not defined inside the scope of display. I created a patch to alter the fused value for internal rev_id if the chip is detected as dali through PCIE REV ID. So that detection of the chip will be possible inside of Display core.
>
>
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> Can you kindly provide feedback on this workaround.
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>
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> Best Regards,
>
> Aly Tawfik
>
>
>
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