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

[Mike Lothian]

Are these in a branch somewhere? If not I'll try apply the mbox from
patchwork.freedesktop.org

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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