From: "Zhang, Hawking" <Hawking.Zhang@amd.com>
To: "Wang, Yang(Kevin)" <KevinYang.Wang@amd.com>,
"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>
Cc: "Zhou1, Tao" <Tao.Zhou1@amd.com>, "Li, Candice" <Candice.Li@amd.com>
Subject: RE: [PATCH] drm/amdgpu: fix RAS unload driver issue in SRIOV
Date: Tue, 7 May 2024 03:36:18 +0000 [thread overview]
Message-ID: <BN9PR12MB5257F34B8B5BF476E2E04AF2FCE42@BN9PR12MB5257.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20240507024940.2199229-1-kevinyang.wang@amd.com>
[AMD Official Use Only - General]
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Regards,
Hawking
-----Original Message-----
From: Wang, Yang(Kevin) <KevinYang.Wang@amd.com>
Sent: Tuesday, May 7, 2024 10:50
To: amd-gfx@lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang@amd.com>; Zhou1, Tao <Tao.Zhou1@amd.com>; Li, Candice <Candice.Li@amd.com>
Subject: [PATCH] drm/amdgpu: fix RAS unload driver issue in SRIOV
Fix null pointer issue when unload driver in SRIOV mode.
Adjust the function position to ensure that the amdgpu_mca/aca_xxx_init() related functions can be initialized properly.
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 36509fa9fecf..36deac3b1440 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -3611,10 +3611,6 @@ int amdgpu_ras_late_init(struct amdgpu_device *adev)
struct amdgpu_ras_block_object *obj;
int r;
- /* Guest side doesn't need init ras feature */
- if (amdgpu_sriov_vf(adev))
- return 0;
-
amdgpu_ras_event_mgr_init(adev);
if (amdgpu_aca_is_enabled(adev)) {
@@ -3625,7 +3621,8 @@ int amdgpu_ras_late_init(struct amdgpu_device *adev)
if (r)
return r;
- amdgpu_ras_set_aca_debug_mode(adev, false);
+ if (!amdgpu_sriov_vf(adev))
+ amdgpu_ras_set_aca_debug_mode(adev, false);
} else {
if (amdgpu_in_reset(adev))
r = amdgpu_mca_reset(adev);
@@ -3634,9 +3631,14 @@ int amdgpu_ras_late_init(struct amdgpu_device *adev)
if (r)
return r;
- amdgpu_ras_set_mca_debug_mode(adev, false);
+ if (!amdgpu_sriov_vf(adev))
+ amdgpu_ras_set_mca_debug_mode(adev, false);
}
+ /* Guest side doesn't need init ras feature */
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
list_for_each_entry_safe(node, tmp, &adev->ras_list, node) {
obj = node->ras_obj;
if (!obj) {
--
2.34.1
prev parent reply other threads:[~2024-05-07 3:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-07 2:49 [PATCH] drm/amdgpu: fix RAS unload driver issue in SRIOV Yang Wang
2024-05-07 3:36 ` Zhang, Hawking [this message]
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