drm/amdkfd: Remove unused functions

kfd_device_by_pci_dev(), kfd_get_pasid_limit() and kfd_set_pasid_limit()
have been unused since 2023's
commit c99a2e7ae291 ("drm/amdkfd: drop IOMMUv2 support")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
index e3b250918f39a97654560360702ad258f2708008..8896426e055637ef6a45e3f76e37eec3569380a0 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_pasid.c
@@ -28,30 +28,6 @@
 static unsigned int pasid_bits = 16;
 static bool pasids_allocated; /* = false */
 
-bool kfd_set_pasid_limit(unsigned int new_limit)
-{
-       if (new_limit < 2)
-               return false;
-
-       if (new_limit < (1U << pasid_bits)) {
-               if (pasids_allocated)
-                       /* We've already allocated user PASIDs, too late to
-                        * change the limit
-                        */
-                       return false;
-
-               while (new_limit < (1U << pasid_bits))
-                       pasid_bits--;
-       }
-
-       return true;
-}
-
-unsigned int kfd_get_pasid_limit(void)
-{
-       return 1U << pasid_bits;
-}
-
 u32 kfd_pasid_alloc(void)
 {
        int r = amdgpu_pasid_alloc(pasid_bits);

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 0a99c5c9cadc03fcde2591e69f081f88b3fee4b1..59619f794b6b23b48350bfeb14bffcb84974341f 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -1092,8 +1092,6 @@ struct kfd_process *kfd_lookup_process_by_pid(struct pid *pid);
 /* PASIDs */
 int kfd_pasid_init(void);
 void kfd_pasid_exit(void);
-bool kfd_set_pasid_limit(unsigned int new_limit);
-unsigned int kfd_get_pasid_limit(void);
 u32 kfd_pasid_alloc(void);
 void kfd_pasid_free(u32 pasid);
 
@@ -1143,7 +1141,6 @@ struct kfd_topology_device *kfd_topology_device_by_proximity_domain_no_lock(
                                                uint32_t proximity_domain);
 struct kfd_topology_device *kfd_topology_device_by_id(uint32_t gpu_id);
 struct kfd_node *kfd_device_by_id(uint32_t gpu_id);
-struct kfd_node *kfd_device_by_pci_dev(const struct pci_dev *pdev);
 static inline bool kfd_irq_is_from_node(struct kfd_node *node, uint32_t node_id,
                                        uint32_t vmid)
 {

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index ceb9fb475ef137d00a17e8390222d2fe55533dd7..4936697e6fc2b6fc2a5904188be5fef12a5598b2 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -108,24 +108,6 @@ struct kfd_node *kfd_device_by_id(uint32_t gpu_id)
        return top_dev->gpu;
 }
 
-struct kfd_node *kfd_device_by_pci_dev(const struct pci_dev *pdev)
-{
-       struct kfd_topology_device *top_dev;
-       struct kfd_node *device = NULL;
-
-       down_read(&topology_lock);
-
-       list_for_each_entry(top_dev, &topology_device_list, list)
-               if (top_dev->gpu && top_dev->gpu->adev->pdev == pdev) {
-                       device = top_dev->gpu;
-                       break;
-               }
-
-       up_read(&topology_lock);
-
-       return device;
-}
-
 /* Called with write topology_lock acquired */
 static void kfd_release_topology_device(struct kfd_topology_device *dev)
 {