drm/amdgpu: rename the files for HMM handling

Clean that up a bit, no functional change.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -250,7 +250,7 @@ endif
 amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
 amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
 amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
-amdgpu-$(CONFIG_HMM_MIRROR) += amdgpu_mn.o
+amdgpu-$(CONFIG_HMM_MIRROR) += amdgpu_hmm.o
 
 include $(FULL_AMD_PATH)/pm/Makefile
 

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -82,7 +82,6 @@
 #include "amdgpu_vce.h"
 #include "amdgpu_vcn.h"
 #include "amdgpu_jpeg.h"
-#include "amdgpu_mn.h"
 #include "amdgpu_gmc.h"
 #include "amdgpu_gfx.h"
 #include "amdgpu_sdma.h"

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c

@@ -29,6 +29,7 @@
 #include "amdgpu_object.h"
 #include "amdgpu_gem.h"
 #include "amdgpu_vm.h"
+#include "amdgpu_hmm.h"
 #include "amdgpu_amdkfd.h"
 #include "amdgpu_dma_buf.h"
 #include <uapi/linux/kfd_ioctl.h>
@@ -949,7 +950,7 @@ static int init_user_pages(struct kgd_mem *mem, uint64_t user_addr,
 		goto out;
 	}
 
-	ret = amdgpu_mn_register(bo, user_addr);
+	ret = amdgpu_hmm_register(bo, user_addr);
 	if (ret) {
 		pr_err("%s: Failed to register MMU notifier: %d\n",
 		       __func__, ret);
@@ -989,7 +990,7 @@ static int init_user_pages(struct kgd_mem *mem, uint64_t user_addr,
 	amdgpu_ttm_tt_get_user_pages_done(bo->tbo.ttm, range);
 unregister_out:
 	if (ret)
-		amdgpu_mn_unregister(bo);
+		amdgpu_hmm_unregister(bo);
 out:
 	mutex_unlock(&process_info->lock);
 	return ret;
@@ -1773,7 +1774,7 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
 	mutex_unlock(&process_info->lock);
 
 	/* No more MMU notifiers */
-	amdgpu_mn_unregister(mem->bo);
+	amdgpu_hmm_unregister(mem->bo);
 
 	ret = reserve_bo_and_cond_vms(mem, NULL, BO_VM_ALL, &ctx);
 	if (unlikely(ret))

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -38,6 +38,7 @@
 #include "amdgpu.h"
 #include "amdgpu_display.h"
 #include "amdgpu_dma_buf.h"
+#include "amdgpu_hmm.h"
 #include "amdgpu_xgmi.h"
 
 static const struct drm_gem_object_funcs amdgpu_gem_object_funcs;
@@ -87,7 +88,7 @@ static void amdgpu_gem_object_free(struct drm_gem_object *gobj)
 	struct amdgpu_bo *robj = gem_to_amdgpu_bo(gobj);
 
 	if (robj) {
-		amdgpu_mn_unregister(robj);
+		amdgpu_hmm_unregister(robj);
 		amdgpu_bo_unref(&robj);
 	}
 }
@@ -414,7 +415,7 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
 	if (r)
 		goto release_object;
 
-	r = amdgpu_mn_register(bo, args->addr);
+	r = amdgpu_hmm_register(bo, args->addr);
 	if (r)
 		goto release_object;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c → drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c

@@ -49,9 +49,10 @@
 
 #include "amdgpu.h"
 #include "amdgpu_amdkfd.h"
+#include "amdgpu_hmm.h"
 
 /**
- * amdgpu_mn_invalidate_gfx - callback to notify about mm change
+ * amdgpu_hmm_invalidate_gfx - callback to notify about mm change
  *
  * @mni: the range (mm) is about to update
  * @range: details on the invalidation
@@ -60,7 +61,7 @@
  * Block for operations on BOs to finish and mark pages as accessed and
  * potentially dirty.
  */
-static bool amdgpu_mn_invalidate_gfx(struct mmu_interval_notifier *mni,
+static bool amdgpu_hmm_invalidate_gfx(struct mmu_interval_notifier *mni,
 				      const struct mmu_notifier_range *range,
 				      unsigned long cur_seq)
 {
@@ -83,12 +84,12 @@ static bool amdgpu_mn_invalidate_gfx(struct mmu_interval_notifier *mni,
 	return true;
 }
 
-static const struct mmu_interval_notifier_ops amdgpu_mn_gfx_ops = {
-	.invalidate = amdgpu_mn_invalidate_gfx,
+static const struct mmu_interval_notifier_ops amdgpu_hmm_gfx_ops = {
+	.invalidate = amdgpu_hmm_invalidate_gfx,
 };
 
 /**
- * amdgpu_mn_invalidate_hsa - callback to notify about mm change
+ * amdgpu_hmm_invalidate_hsa - callback to notify about mm change
  *
  * @mni: the range (mm) is about to update
  * @range: details on the invalidation
@@ -97,7 +98,7 @@ static const struct mmu_interval_notifier_ops amdgpu_mn_gfx_ops = {
  * We temporarily evict the BO attached to this range. This necessitates
  * evicting all user-mode queues of the process.
  */
-static bool amdgpu_mn_invalidate_hsa(struct mmu_interval_notifier *mni,
+static bool amdgpu_hmm_invalidate_hsa(struct mmu_interval_notifier *mni,
 				      const struct mmu_notifier_range *range,
 				      unsigned long cur_seq)
 {
@@ -117,12 +118,12 @@ static bool amdgpu_mn_invalidate_hsa(struct mmu_interval_notifier *mni,
 	return true;
 }
 
-static const struct mmu_interval_notifier_ops amdgpu_mn_hsa_ops = {
-	.invalidate = amdgpu_mn_invalidate_hsa,
+static const struct mmu_interval_notifier_ops amdgpu_hmm_hsa_ops = {
+	.invalidate = amdgpu_hmm_invalidate_hsa,
 };
 
 /**
- * amdgpu_mn_register - register a BO for notifier updates
+ * amdgpu_hmm_register - register a BO for notifier updates
  *
  * @bo: amdgpu buffer object
  * @addr: userptr addr we should monitor
@@ -130,25 +131,25 @@ static const struct mmu_interval_notifier_ops amdgpu_mn_hsa_ops = {
  * Registers a mmu_notifier for the given BO at the specified address.
  * Returns 0 on success, -ERRNO if anything goes wrong.
  */
-int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
+int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr)
 {
 	if (bo->kfd_bo)
 		return mmu_interval_notifier_insert(&bo->notifier, current->mm,
 						    addr, amdgpu_bo_size(bo),
-						    &amdgpu_mn_hsa_ops);
+						    &amdgpu_hmm_hsa_ops);
 	return mmu_interval_notifier_insert(&bo->notifier, current->mm, addr,
 					    amdgpu_bo_size(bo),
-					    &amdgpu_mn_gfx_ops);
+					    &amdgpu_hmm_gfx_ops);
 }
 
 /**
- * amdgpu_mn_unregister - unregister a BO for notifier updates
+ * amdgpu_hmm_unregister - unregister a BO for notifier updates
  *
  * @bo: amdgpu buffer object
  *
  * Remove any registration of mmu notifier updates from the buffer object.
  */
-void amdgpu_mn_unregister(struct amdgpu_bo *bo)
+void amdgpu_hmm_unregister(struct amdgpu_bo *bo)
 {
 	if (!bo->notifier.mm)
 		return;

drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h → drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h

@@ -38,16 +38,16 @@ int amdgpu_hmm_range_get_pages(struct mmu_interval_notifier *notifier,
 int amdgpu_hmm_range_get_pages_done(struct hmm_range *hmm_range);
 
 #if defined(CONFIG_HMM_MIRROR)
-int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
-void amdgpu_mn_unregister(struct amdgpu_bo *bo);
+int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr);
+void amdgpu_hmm_unregister(struct amdgpu_bo *bo);
 #else
-static inline int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
+static inline int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr)
 {
 	DRM_WARN_ONCE("HMM_MIRROR kernel config option is not enabled, "
 		      "add CONFIG_ZONE_DEVICE=y in config file to fix this\n");
 	return -ENODEV;
 }
-static inline void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
+static inline void amdgpu_hmm_unregister(struct amdgpu_bo *bo) {}
 #endif
 
 #endif

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -58,6 +58,7 @@
 #include "amdgpu_amdkfd.h"
 #include "amdgpu_sdma.h"
 #include "amdgpu_ras.h"
+#include "amdgpu_hmm.h"
 #include "amdgpu_atomfirmware.h"
 #include "amdgpu_res_cursor.h"
 #include "bif/bif_4_1_d.h"

drivers/gpu/drm/amd/amdkfd/kfd_migrate.c

@@ -28,7 +28,6 @@
 #include "amdgpu_sync.h"
 #include "amdgpu_object.h"
 #include "amdgpu_vm.h"
-#include "amdgpu_mn.h"
 #include "amdgpu_res_cursor.h"
 #include "kfd_priv.h"
 #include "kfd_svm.h"

drivers/gpu/drm/amd/amdkfd/kfd_svm.c

@@ -26,7 +26,7 @@
 #include "amdgpu_sync.h"
 #include "amdgpu_object.h"
 #include "amdgpu_vm.h"
-#include "amdgpu_mn.h"
+#include "amdgpu_hmm.h"
 #include "amdgpu.h"
 #include "amdgpu_xgmi.h"
 #include "kfd_priv.h"