[AMD Official Use Only]

Reviewed-by: Hawking Zhang <[email protected]>

Regards,
Hawking
-----Original Message-----
From: Dennis Li <[email protected]> 
Sent: Friday, June 11, 2021 15:16
To: [email protected]; Deucher, Alexander 
<[email protected]>; Kuehling, Felix <[email protected]>; Zhang, 
Hawking <[email protected]>; Koenig, Christian <[email protected]>
Cc: Li, Dennis <[email protected]>
Subject: [PATCH] drm/amdgpu: enable support error injection broadcast to all 
instances

when the address is -1, TA will do error injection for all instances of the 
specail sram.

Signed-off-by: Dennis Li <[email protected]>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 885a78301bbf..c828ce9525d4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -402,8 +402,9 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file 
*f, const char __user *
                ret = amdgpu_ras_feature_enable(adev, &data.head, 1);
                break;
        case 2:
-               if ((data.inject.address >= adev->gmc.mc_vram_size) ||
-                   (data.inject.address >= RAS_UMC_INJECT_ADDR_LIMIT)) {
+               if ((data.inject.address != (uint64_t)-1) &&
+                       ((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);
--
2.17.1
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