[PATCH 00/12] Improve PX support in radeon and amdgpu

[Alex Deucher]

On Wed, Jun 1, 2016 at 8:02 PM, Mike Lothian <mike at fireburn.co.uk> wrote:
> Are these in a branch somewhere? If not I'll try apply the mbox from
> patchwork.freedesktop.org
>

Just pushed to my drm-next-4.8-wip branch.

Alex

> On Wed, 1 Jun 2016 at 21:53 Alex Deucher <alexdeucher at gmail.com> wrote:
>>
>> This patch set cleans up and attempts to make runtime pm more
>> reliable in radeon and amdgpu on PX systems.  If you have a PX
>> system that requires setting the runpm=0 module parameter for
>> stability, please try this patch set.
>>
>> The main fix is that a minimum of 200ms of delay is required between
>> a dGPU power down and a power up.
>>
>> This patch also properly handles the detection of the ATPX dGPU
>> power control method properly and handles dGPU power control for
>> platforms that do not support the ATPX dGPU power control method.
>>
>> Alex Deucher (12):
>>   drm/amdgpu: disable power control on hybrid laptops
>>   drm/amdgpu: clean up atpx power control handling
>>   drm/amdgpu: add a delay after ATPX dGPU power off
>>   drm/amdgpu/atpx: add a query for ATPX dGPU power control
>>   drm/amdgpu: use PCI_D3hot for PX systems without dGPU power control
>>   drm/amdgpu/atpx: drop forcing of dGPU power control
>>   drm/radeon: disable power control on hybrid laptops
>>   drm/radeon: clean up atpx power control handling
>>   drm/radeon: add a delay after ATPX dGPU power off
>>   drm/radeon/atpx: add a query for ATPX dGPU power control
>>   drm/radeon: use PCI_D3hot for PX systems without dGPU power control
>>   drm/radeon/atpx: drop forcing of dGPU power control
>>
>>  drivers/gpu/drm/amd/amdgpu/amdgpu.h              |  2 +
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 50
>> ++++++++++++++++--------
>>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c          |  5 ++-
>>  drivers/gpu/drm/radeon/radeon_atpx_handler.c     | 49
>> +++++++++++++++--------
>>  drivers/gpu/drm/radeon/radeon_drv.c              |  7 +++-
>>  5 files changed, 77 insertions(+), 36 deletions(-)
>>
>> --
>> 2.5.5
>>
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