drm/amdgpu: add gfx8 pre soft reset

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou 2016-07-15 15:18:25 +08:00 • committed by Alex Deucher
commit 1057f20c22