diff options
author | James Zhu <James.Zhu@amd.com> | 2021-09-07 11:13:02 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-14 15:59:46 -0400 |
commit | f8846323d544540be07d7662325ad459f868dcc0 (patch) | |
tree | dcb515e07d7b27a283fb05d1826433cf74b811ed /drivers | |
parent | 8e6d0b699635ecc5bad8629b8da685621aa416ca (diff) | |
download | linux-stable-f8846323d544540be07d7662325ad459f868dcc0.tar.gz linux-stable-f8846323d544540be07d7662325ad459f868dcc0.tar.bz2 linux-stable-f8846323d544540be07d7662325ad459f868dcc0.zip |
drm/amdkfd: separate kfd_iommu_resume from kfd_resume
Separate kfd_iommu_resume from kfd_resume for fine-tuning
of amdgpu device init/resume/reset/recovery sequence.
v2: squash in fix for !CONFIG_HSA_AMD
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=211277
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device.c | 12 |
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index ec028cf963f5..089c7b967008 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -327,6 +327,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, const struct kgd2kfd_shared_resources *gpu_resources); void kgd2kfd_device_exit(struct kfd_dev *kfd); void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm); +int kgd2kfd_resume_iommu(struct kfd_dev *kfd); int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm); int kgd2kfd_pre_reset(struct kfd_dev *kfd); int kgd2kfd_post_reset(struct kfd_dev *kfd); @@ -365,6 +366,11 @@ static inline void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm) { } +static int __maybe_unused kgd2kfd_resume_iommu(struct kfd_dev *kfd) +{ + return 0; +} + static inline int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm) { return 0; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 30fde852af19..98d1b3ab3a46 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -1069,17 +1069,21 @@ int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm) return ret; } -static int kfd_resume(struct kfd_dev *kfd) +int kgd2kfd_resume_iommu(struct kfd_dev *kfd) { int err = 0; err = kfd_iommu_resume(kfd); - if (err) { + if (err) dev_err(kfd_device, "Failed to resume IOMMU for device %x:%x\n", kfd->pdev->vendor, kfd->pdev->device); - return err; - } + return err; +} + +static int kfd_resume(struct kfd_dev *kfd) +{ + int err = 0; err = kfd->dqm->ops.start(kfd->dqm); if (err) { |