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drm/amdgpu: add vram check function for GMC

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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
parent a5e7ffa119
commit 479e3b02b7
7 changed files with 74 additions and 5 deletions
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5
drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
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@@ -1242,7 +1242,10 @@ static int gmc_v8_0_hw_init(void *handle)
if (r)
return r;
return r;
if (amdgpu_emu_mode == 1)
return amdgpu_gmc_vram_checking(adev);
else
return r;
}
static int gmc_v8_0_hw_fini(void *handle)