From b0d4783a382297048cb00e3e94078aa301296841 Mon Sep 17 00:00:00 2001
From: Guchun Chen <guchun.chen@amd.com>
Date: Fri, 22 May 2020 15:50:15 +0800
Subject: [PATCH] drm/amdgpu: print warning when input address is invalid

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>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 50fe08bf2f72..9475891ee989 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -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;
 		}
-- 
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