RE: [PATCH] drm/amdgpu: Fix driver reloading failure

2017-09-21 Thread Deucher, Alexander
> -Original Message- > From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf > Of Xiangliang.Yu > Sent: Wednesday, September 20, 2017 11:22 PM > To: amd-gfx@lists.freedesktop.org > Cc: Yu, Xiangliang > Subject: [PATCH] drm/amdgpu: Fix driver reloadi

[PATCH] drm/amdgpu: Fix driver reloading failure

2017-09-20 Thread Xiangliang . Yu
SRIOV doesn't implement PMC capability of PCIe, so it can't update power state by reading PMC register. Currently, amdgpu driver doesn't disable pci device when removing driver, the enable_cnt of pci device will not be decrease to 0. When reloading driver, pci_enable_device will do nothing as enab