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authorStanley.Yang <Stanley.Yang@amd.com>2023-06-12 18:25:48 +0800
committerAlex Deucher <alexander.deucher@amd.com>2023-06-15 11:06:59 -0400
commit43aedbf4da1db9a9c2f9e160a4ae96dfda83774c (patch)
tree4d9201ea8e493d11b75cfaccffb6e7c7cae1a7ae /drivers
parent38298ce6fc35c65ba1364e4221a289dfa07bf5ea (diff)
drm/amdgpu: Add checking mc_vram_size
Do not compare injection address with mc_vram_size if mc_vram_size is zero. Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 89e9ba33aca1..4769a18304d7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -489,7 +489,8 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f,
ret = amdgpu_ras_feature_enable(adev, &data.head, 1);
break;
case 2:
- if ((data.inject.address >= adev->gmc.mc_vram_size) ||
+ if ((data.inject.address >= adev->gmc.mc_vram_size &&
+ adev->gmc.mc_vram_size) ||
(data.inject.address >= RAS_UMC_INJECT_ADDR_LIMIT)) {
dev_warn(adev->dev, "RAS WARN: input address "
"0x%llx is invalid.",