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Code Issues Releases Wiki Activity

drm/amdgpu: fix gart.bo pin_count leak

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gmc_v{9,10}_0_gart_disable() isn't called matched with
correspoding gart_enbale function in SRIOV case. This will
lead to gart.bo pin_count leak on driver unload.

Cc: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Leslie Shi <Yuliang.Shi@amd.com>
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leslie Shi 2021-09-23 16:05:31 +08:00 committed by Alex Deucher
parent 05812b971c
commit 66805763a9
2 changed files with 4 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
View file

@ -1098,6 +1098,8 @@ static int gmc_v10_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
gmc_v10_0_gart_disable(adev);
if (amdgpu_sriov_vf(adev)) {
/* full access mode, so don't touch any GMC register */
DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
@ -1106,7 +1108,6 @@ static int gmc_v10_0_hw_fini(void *handle)
amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
gmc_v10_0_gart_disable(adev);
return 0;
}

3
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
View file

@ -1794,6 +1794,8 @@ static int gmc_v9_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
gmc_v9_0_gart_disable(adev);
if (amdgpu_sriov_vf(adev)) {
/* full access mode, so don't touch any GMC register */
DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
@ -1802,7 +1804,6 @@ static int gmc_v9_0_hw_fini(void *handle)
amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
gmc_v9_0_gart_disable(adev);
return 0;
}