diff options
author | Yintian Tao <yttao@amd.com> | 2020-04-13 14:31:27 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2020-04-13 12:01:56 -0400 |
commit | d32709dac627e5602fb3e66bcf4316906356120d (patch) | |
tree | a6c31edc229fcf2c134b204f9b3267ffe528bf91 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | |
parent | 6952e99cfd52d32098540fe8d9e592828b9e774c (diff) | |
download | linux-d32709dac627e5602fb3e66bcf4316906356120d.tar.bz2 |
drm/amdgpu: resume kiq access debugfs
If there is no GPU hang, user still can access
debugfs through kiq.
Signed-off-by: Yintian Tao <yttao@amd.com>
Reviewed-by: Monk Liu <Monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 6a81c2ee7c7b..8c10084f44ef 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -335,17 +335,23 @@ void amdgpu_detect_virtualization(struct amdgpu_device *adev) } } -bool amdgpu_virt_can_access_debugfs(struct amdgpu_device *adev) +bool amdgpu_virt_access_debugfs_is_mmio(struct amdgpu_device *adev) { return amdgpu_sriov_is_debug(adev) ? true : false; } +bool amdgpu_virt_access_debugfs_is_kiq(struct amdgpu_device *adev) +{ + return amdgpu_sriov_is_normal(adev) ? true : false; +} + int amdgpu_virt_enable_access_debugfs(struct amdgpu_device *adev) { - if (!amdgpu_sriov_vf(adev)) + if (!amdgpu_sriov_vf(adev) || + amdgpu_virt_access_debugfs_is_kiq(adev)) return 0; - if (amdgpu_virt_can_access_debugfs(adev)) + if (amdgpu_virt_access_debugfs_is_mmio(adev)) adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME; else return -EPERM; |