[PATCH] drm/amdgpu: enable support error injection broadcast to all instances

Zhang, Hawking Hawking.Zhang at amd.com
Fri Jun 11 07:23:32 UTC 2021

[AMD Official Use Only]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

-----Original Message-----
From: Dennis Li <Dennis.Li at amd.com> 
Sent: Friday, June 11, 2021 15:16
To: amd-gfx at lists.freedesktop.org; Deucher, Alexander <Alexander.Deucher at amd.com>; Kuehling, Felix <Felix.Kuehling at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>; Koenig, Christian <Christian.Koenig at amd.com>
Cc: Li, Dennis <Dennis.Li at amd.com>
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 <Dennis.Li at amd.com>

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);
 	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.",

More information about the amd-gfx mailing list