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drm/amdgpu: Add checking mc_vram_size

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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>
This commit is contained in:
Stanley.Yang 2023-06-12 18:25:48 +08:00 committed by Alex Deucher
parent 38298ce6fc
commit 43aedbf4da
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@ -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.",