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drm/amdgpu: print warning when input address is invalid

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This will assist debug in error injection case.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Guchun Chen 2020-05-22 15:50:15 +08:00 committed by Alex Deucher
parent a16be2fe14
commit b0d4783a38
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@ -318,6 +318,9 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user *
case 2:
if ((data.inject.address >= 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.",
data.inject.address);
ret = -EINVAL;
break;
}