Am 01.06.2016 um 22:53 schrieb Alex Deucher: > 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.
Acked-by: Christian König <christian.koenig at amd.com> for the whole series. > > 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(-) >