diff options
| author | Huang Rui <ray.huang@amd.com> | 2019-09-02 23:34:32 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-16 09:55:41 -0500 |
| commit | aa978594cf7fa0ad91d0671bb1a33ec38fbd3d25 (patch) | |
| tree | 04a4ffb76decac7b238f62358d011e6332105515 | |
| parent | f5d843d4ea3b8738a42a4b22432ce95f1df7ca51 (diff) | |
| download | linux-aa978594cf7fa0ad91d0671bb1a33ec38fbd3d25.tar.bz2 | |
drm/amdgpu: disable gfxoff while use no H/W scheduling policy
While gfxoff is enabled, the mmVM_XXX registers will be 0xfffffff while the GFX
is in "off" state. KFD queue creattion doesn't use ring based method, so it will
trigger a VM fault.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 7723f4ed0130..733331837d92 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -169,6 +169,7 @@ extern int amdgpu_discovery; extern int amdgpu_mes; extern int amdgpu_noretry; extern int amdgpu_force_asic_type; +extern int sched_policy; #ifdef CONFIG_DRM_AMDGPU_SI extern int amdgpu_si_support; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index b09237b6531c..1affaa4ee1ee 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1624,7 +1624,7 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev) } adev->pm.pp_feature = amdgpu_pp_feature_mask; - if (amdgpu_sriov_vf(adev)) + if (amdgpu_sriov_vf(adev) || sched_policy == KFD_SCHED_POLICY_NO_HWS) adev->pm.pp_feature &= ~PP_GFXOFF_MASK; for (i = 0; i < adev->num_ip_blocks; i++) { |