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

Regards,
Hawking
-----Original Message-----
From: Chai, Thomas <[email protected]>
Sent: Tuesday, November 18, 2025 17:16
To: [email protected]
Cc: Zhang, Hawking <[email protected]>; Zhou1, Tao <[email protected]>; Li, 
Candice <[email protected]>; Yang, Stanley <[email protected]>; Su, Joe 
<[email protected]>; Chai, Thomas <[email protected]>; Zhou1, Tao 
<[email protected]>
Subject: [PATCH 7/7] drm/amd/ras: Support sriov uniras to obtain cper data

Support sriov uniras to obtain cper data.

Signed-off-by: YiPeng Chai <[email protected]>
Reviewed-by: Tao Zhou <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c   | 5 ++++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
index 425a3e564360..90e6e89b1fe0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
@@ -23,6 +23,7 @@
  */
 #include <linux/list.h>
 #include "amdgpu.h"
+#include "amdgpu_ras_mgr.h"

 static const guid_t MCE                        = CPER_NOTIFY_MCE;
 static const guid_t CMC                        = CPER_NOTIFY_CMC;
@@ -559,7 +560,9 @@ int amdgpu_cper_init(struct amdgpu_device *adev)  {
        int r;

-       if (!amdgpu_aca_is_enabled(adev) && !amdgpu_sriov_ras_cper_en(adev))
+       if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_ras_cper_en(adev))
+               return 0;
+       else if (!amdgpu_uniras_enabled(adev) && !amdgpu_aca_is_enabled(adev))
                return 0;

        r = amdgpu_cper_ring_init(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 860ac1f9e35d..deead462a72f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3320,8 +3320,7 @@ static int amdgpu_device_ip_init(struct amdgpu_device 
*adev)

        amdgpu_fru_get_product_info(adev);

-       if (!amdgpu_sriov_vf(adev) || amdgpu_sriov_ras_cper_en(adev))
-               r = amdgpu_cper_init(adev);
+       r = amdgpu_cper_init(adev);

 init_failed:

--
2.34.1

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