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From 92c190bcf2f6ddb2cf67528c1e617932b085c2eb Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Thu, 18 Jul 2019 12:49:15 +0800
Subject: [PATCH 3001/4256] drm/amdgpu: do not create ras debugfs/sysfs node
for ASICs that don't have ras ability
driver shouldn't init any ras debugfs/sysfs node for ASICs that don't have ras
hardware ability
Change-Id: I7a84814b4fc79375e4daab2ba4fec6b35e53b9a6
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 614116c7036a..cba2c0f90c77 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1555,6 +1555,12 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
amdgpu_ras_check_supported(adev, &con->hw_supported,
&con->supported);
+ if (!con->hw_supported) {
+ amdgpu_ras_set_context(adev, NULL);
+ kfree(con);
+ return 0;
+ }
+
con->features = 0;
INIT_LIST_HEAD(&con->head);
/* Might need get this flag from vbios. */
--
2.17.1
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