kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h, branch linux-5.1.y

drm/amd/amdgpu: add missing mutex lock to amdgpu_get_xgmi_hive() (v3)

2019-01-14T20:04:53Z

v2: Move locks around in other functions so that this function can stand on its own. Also only hold the hive specific lock for add/remove device instead of the driver global lock so you can't add/remove devices in parallel from one hive. v3: add reset_lock Acked-by: Shaoyun.liu < Shaoyun.liu@amd.com> Signed-off-by: Tom St Denis Reviewed-by: Andrey Grodzovsky Signed-off-by: Alex Deucher

drm/amdgpu: Handle xgmi device removal.

2018-12-03T16:15:08Z

XGMI hive has some resources allocted on device init which needs to be deallocated when the device is unregistered. v2: Remove creation of dedicated wq for XGMI hive reset. v3: Use the gmc.xgmi.supported flag Signed-off-by: Andrey Grodzovsky Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher

drm/amdgpu: Expose hive adev list and xgmi_mutex

2018-11-28T20:55:36Z

It's needed for device reset of entire hive. v3: Add per hive lock to allow avoiding duplicate resets triggered by multiple members of same hive. Expose amdgpu_hive_info instead of adding getter functions. Signed-off-by: Andrey Grodzovsky Reviewed-by: Alex Deucher Acked-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: Refactor amdgpu_xgmi_add_device

2018-11-28T20:55:35Z

This is prep work for updating each PSP FW in hive after GPU reset. Split into build topology SW state and update each PSP FW in the hive. Save topology and count of XGMI devices for reuse. v2: Create seperate header for XGMI. Signed-off-by: Andrey Grodzovsky Acked-by: Christian König Signed-off-by: Alex Deucher