RE: [PATCH] drm/amdgpu: disable SDMA WPTR_POLL_ENABLE for SR-IOV

2023-04-27 Thread Deucher, Alexander
; Zhang, > Hawking ; Liu, Monk ; > Xu, Feifei ; Chang, HaiJun > Subject: [PATCH] drm/amdgpu: disable SDMA WPTR_POLL_ENABLE for SR- > IOV > > [Why] > This WPTR_POLL_ENABLE is a hardware contigious polling which will cause > FCLK and UCLK to keep on a high level. > Mos

[PATCH] drm/amdgpu: disable SDMA WPTR_POLL_ENABLE for SR-IOV

2023-04-26 Thread Horace Chen
[Why] This WPTR_POLL_ENABLE is a hardware contigious polling which will cause FCLK and UCLK to keep on a high level. Mostly its case can be covered by F32_WPTR_POLL_ENABLE which polls by firmware. So to save power, SR-IOV also needs to disable this bit Signed-off-by: Horace Chen --- drivers/gpu/