drm/amdgpu: add EDC counter register

Add EDC counter register to support gfx9 gpr EDC workaround to
clear all EDC counters.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu 2019-04-05 15:30:07 -04:00 • committed by Alex Deucher
commit 8511477773