From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: alexander.deucher@amd.com, amd-gfx@lists.freedesktop.org
Subject: [PATCH] drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM
Date: Tue, 7 Oct 2025 11:19:25 +0200 [thread overview]
Message-ID: <20251007091925.18470-1-christian.koenig@amd.com> (raw)
Otherwise accessing them can cause a crash.
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index a5adb2ed9b3c..9d934c07fa6b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -234,6 +234,9 @@ static umode_t amdgpu_vram_attrs_is_visible(struct kobject *kobj,
!adev->gmc.vram_vendor)
return 0;
+ if (!ttm_resource_manager_used(&adev->mman.vram_mgr.manager))
+ return 0;
+
return attr->mode;
}
--
2.43.0
next reply other threads:[~2025-10-07 9:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-07 9:19 Christian König [this message]
2025-10-07 10:29 ` [PATCH] drm/amdgpu: hide VRAM sysfs attributes on GPUs without VRAM Gadre, Mangesh
2025-10-07 12:36 ` Alex Deucher
2025-10-08 15:00 ` Christian König
2025-10-09 6:00 ` Arunpravin Paneer Selvam
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