[PATCH 02/15] drm/amdgpu/ttm: move debugfs init into core amdgpu debugfs

[Alex Deucher <alexdeucher@gmail.com>]

In order to remove the load and unload drm callbacks,
we need to reorder the init sequence to move all the drm
debugfs file handling.  Do this for ttm.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 10 ++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c     | 14 ++------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h     |  3 +++
 3 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 58b5e1b4f814..f49604c0d0b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -1216,6 +1216,8 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_ib_preempt, NULL,
 
 int amdgpu_debugfs_init(struct amdgpu_device *adev)
 {
+	int r;
+
 	adev->debugfs_preempt =
 		debugfs_create_file("amdgpu_preempt_ib", 0600,
 				    adev->ddev->primary->debugfs_root, adev,
@@ -1225,12 +1227,20 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
 		return -EIO;
 	}
 
+	/* Register debugfs entries for amdgpu_ttm */
+	r = amdgpu_ttm_debugfs_init(adev);
+	if (r) {
+		DRM_ERROR("Failed to init debugfs\n");
+		return r;
+	}
+
 	return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list,
 					ARRAY_SIZE(amdgpu_debugfs_list));
 }
 
 void amdgpu_debugfs_fini(struct amdgpu_device *adev)
 {
+	amdgpu_ttm_debugfs_fini(adev);
 	debugfs_remove(adev->debugfs_preempt);
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 76f86d64dd35..15f5451d312d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -68,9 +68,6 @@ static int amdgpu_map_buffer(struct ttm_buffer_object *bo,
 			     struct amdgpu_ring *ring,
 			     uint64_t *addr);
 
-static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev);
-static void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev);
-
 static int amdgpu_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
 {
 	return 0;
@@ -1921,12 +1918,6 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
 		return r;
 	}
 
-	/* Register debugfs entries for amdgpu_ttm */
-	r = amdgpu_ttm_debugfs_init(adev);
-	if (r) {
-		DRM_ERROR("Failed to init debugfs\n");
-		return r;
-	}
 	return 0;
 }
 
@@ -1948,7 +1939,6 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
 	if (!adev->mman.initialized)
 		return;
 
-	amdgpu_ttm_debugfs_fini(adev);
 	amdgpu_ttm_training_reserve_vram_fini(adev);
 	/* return the IP Discovery TMR memory back to VRAM */
 	amdgpu_bo_free_kernel(&adev->discovery_memory, NULL, NULL);
@@ -2548,7 +2538,7 @@ static const struct {
 
 #endif
 
-static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
+int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
 {
 #if defined(CONFIG_DEBUG_FS)
 	unsigned count;
@@ -2584,7 +2574,7 @@ static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev)
 #endif
 }
 
-static void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev)
+void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev)
 {
 #if defined(CONFIG_DEBUG_FS)
 	unsigned i;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index f1ebd424510c..2c4ad5b589d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -133,4 +133,7 @@ uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_mem_reg *mem);
 uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
 				 struct ttm_mem_reg *mem);
 
+int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev);
+void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev);
+
 #endif
-- 
2.24.1

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