Re: [PATCH 1/2] drm/amd/pm/si: Check AMD_IS_MOBILITY flag for PPSMC_SYSTEMFLAG_GPIO_DC

["Timur Kristóf" <timur.kristof@gmail.com>]

On 2026. október 16., péntek 16:10:32 középső államokbeli zónaidő 
contact@mikaelpelle.com wrote:
> Hi Timur,
> 
> A quick follow-up from the same MacPro6,1 with dual FirePro D700s.
> I have now tested the fixes after they reached stock stable kernels:
>
> - Linux 6.18.57-1-lts: 
>   both GPUs correctly transition from 300/150 MHz idle to 850/1370 MHz under
> Vulkan compute load, then return to 300/150 MHz afterward.
> 
> - Linux 7.2.10-arch1-1:
>   same result; both D700s reach 850/1370 MHz correctly under load.
> 
> For comparison, Linux 7.2.9, before these stable backports, still kept both
> GPUs at 300/150 MHz under the same type of compute workload.
> 
> So I can confirm that the stable backports of:
>   drm/amd/pm/si: Check AMD_IS_MOBILITY flag for PPSMC_SYSTEMFLAG_GPIO_DC
>   drm/amd/pm/si: Fix updating clock limits on AC/DC
> resolve the DPM issue on the dual FirePro D700 in the MacPro6,1.
> 
> Thanks for the fixes.
> 

Hi Mikael,

Thank you for testing.
I'm happy to hear that the patches are working well for you!

Best regards,
Timur