[PATCH v2 2/4] drm/amd: Pass drm_device to kfd

[Kasiviswanathan, Harish]

kfd needs drm_device to call into drm_cgroup functions

Signed-off-by: Harish Kasiviswanathan <harish.kasiviswanat...@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 1 +
 drivers/gpu/drm/amd/amdkfd/kfd_device.c    | 2 ++
 drivers/gpu/drm/amd/amdkfd/kfd_priv.h      | 3 +++
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 363005526d7b..681a4a9ff51c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -204,7 +204,7 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
                                        adev->doorbell_index.last_non_cp;
                }
 
-               kgd2kfd_device_init(adev->kfd.dev, &gpu_resources);
+               kgd2kfd_device_init(adev->kfd.dev, adev->ddev, &gpu_resources);
        }
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index e39c106ac634..4eb2fb85de26 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -251,6 +251,7 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct 
pci_dev *pdev,
                              const struct kfd2kgd_calls *f2g,
                              unsigned int asic_type, bool vf);
 bool kgd2kfd_device_init(struct kfd_dev *kfd,
+                        struct drm_device *ddev,
                         const struct kgd2kfd_shared_resources *gpu_resources);
 void kgd2kfd_device_exit(struct kfd_dev *kfd);
 void kgd2kfd_suspend(struct kfd_dev *kfd);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index f329b82f11d9..06461ac730d4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -514,10 +514,12 @@ static void kfd_cwsr_init(struct kfd_dev *kfd)
 }
 
 bool kgd2kfd_device_init(struct kfd_dev *kfd,
+                        struct drm_device *ddev,
                         const struct kgd2kfd_shared_resources *gpu_resources)
 {
        unsigned int size;
 
+       kfd->ddev = ddev;
        kfd->mec_fw_version = amdgpu_amdkfd_get_fw_version(kfd->kgd,
                        KGD_ENGINE_MEC1);
        kfd->sdma_fw_version = amdgpu_amdkfd_get_fw_version(kfd->kgd,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h 
b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 06bb2d7a9b39..9c56ba6ec826 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -47,6 +47,8 @@
 /* GPU ID hash width in bits */
 #define KFD_GPU_ID_HASH_WIDTH 16
 
+struct drm_device;
+
 /* Use upper bits of mmap offset to store KFD driver specific information.
  * BITS[63:62] - Encode MMAP type
  * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to
@@ -230,6 +232,7 @@ struct kfd_dev {
 
        const struct kfd_device_info *device_info;
        struct pci_dev *pdev;
+       struct drm_device *ddev;
 
        unsigned int id;                /* topology stub index */
 
-- 
2.17.1

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