drm/amdgpu: add vram check function for GMC

This patch will add vram check function for GMC block.
It will write pattern data to the vram and then read back from the vram,
so that to verify the work status of vram.
This patch  will cover gmc v6/7/8/9/10.

Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaojian Du 2022-01-17 12:44:51 +08:00 • committed by Alex Deucher
commit 479e3b02b7
7 changed files with 74 additions and 5 deletions