Is this designed to work with PRIME laptops too? On Tue, 28 Jan 2020 at 01:29, Rajneesh Bhardwaj <rajneesh.bhardwaj@xxxxxxx> wrote: > > This series aims to enable BACO by default on supported AMD platforms > and ensures that the AMD Kernel Fusion Driver can co-exist with this > feature when the GPU devices are runtime suspended and firmware pushes > the envelop to save more power with BACO entry sequence. Current > approach makes sure that if KFD is using GPU services for compute, it > won't let AMDGPU driver suspend and if the AMDGPU driver is already > runtime suspended with GPUs in deep power saving mode with BACO, the KFD > driver wakes up the AMDGPU and then starts the compute workload > execution. > > This series has been tested with a single GPU (fiji), Dual GPUs (fiji > and fiji/tonga) and seems to work fine. I have not seen but expect some > corner cases where for some reason a KFD client binds a process but is > unable to complete the task within 60 seconds. Ideally we should put the > runtime_put and auto_suspend code in some function which is logical > opposite of bind_process_to_device but during my experiments, it ended > up with random gpu hang, machine reboot etc so any comments for > improvement are welcome. > > Todo: > > rebase on top of https://patchwork.freedesktop.org/patch/338037/ > > Rajneesh Bhardwaj (5): > drm/amdgpu: always enable runtime power management > drm/amdgpu: Fix missing error check in suspend > drm/amdkfd: Introduce debugfs option to disable baco > drm/amdkfd: show warning when kfd is locked > drm/amdkfd: refactor runtime pm for baco > > drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 12 ++++----- > drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 9 ++++--- > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 +++-- > drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 +++ > drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 9 +++---- > drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 2 ++ > drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c | 27 +++++++++++++++++++ > drivers/gpu/drm/amd/amdkfd/kfd_device.c | 31 +++++++++++++--------- > drivers/gpu/drm/amd/amdkfd/kfd_iommu.c | 5 +++- > drivers/gpu/drm/amd/amdkfd/kfd_process.c | 19 ++++++++++--- > 10 files changed, 91 insertions(+), 33 deletions(-) > > -- > 2.17.1 > > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
