[PATCH 15/45] drm/ttm: push copy unbind into drivers.

Dave Airlie airlied at gmail.com
Thu Sep 24 05:18:15 UTC 2020


From: Dave Airlie <airlied at redhat.com>

This uninlines ttm_bo_move_old_to_system into 3 places

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 ++++++-
 drivers/gpu/drm/nouveau/nouveau_bo.c    | 7 +++++--
 drivers/gpu/drm/radeon/radeon_ttm.c     | 7 ++++++-
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index e20ce380f627..d165edacc347 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -66,6 +66,8 @@
 static int amdgpu_ttm_backend_bind(struct ttm_bo_device *bdev,
 				   struct ttm_tt *ttm,
 				   struct ttm_resource *bo_mem);
+static void amdgpu_ttm_backend_unbind(struct ttm_bo_device *bdev,
+				      struct ttm_tt *ttm);
 
 static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev,
 				    unsigned int type,
@@ -568,10 +570,13 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict,
 	}
 
 	/* move BO (in tmp_mem) to new_mem */
-	r = ttm_bo_move_old_to_system(bo, ctx);
+	r = ttm_bo_wait_ctx(bo, ctx);
 	if (unlikely(r))
 		goto out_cleanup;
 
+	amdgpu_ttm_backend_unbind(bo->bdev, bo->ttm);
+	ttm_resource_free(bo, &bo->mem);
+
 	r = ttm_tt_set_placement_caching(bo->ttm, new_mem->placement);
 	if (unlikely(r))
 		goto out_cleanup;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index a95d208c76a1..1e6c2561d692 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -46,7 +46,7 @@
 
 static int nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
 			       struct ttm_resource *reg);
-
+static void nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
 /*
  * NV10-NV40 tiling helpers
  */
@@ -915,10 +915,13 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict,
 	if (ret)
 		goto out;
 
-	ret = ttm_bo_move_old_to_system(bo, ctx);
+	ret = ttm_bo_wait_ctx(bo, ctx);
 	if (ret)
 		goto out;
 
+	nouveau_ttm_tt_unbind(bo->bdev, bo->ttm);
+	ttm_resource_free(bo, &bo->mem);
+
 	ret = ttm_tt_set_placement_caching(bo->ttm, new_reg->placement);
 	if (ret)
 		goto out;
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 89455f2d3bb6..10d25d3b83f2 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -59,6 +59,8 @@ static void radeon_ttm_debugfs_fini(struct radeon_device *rdev);
 static int radeon_ttm_tt_bind(struct ttm_bo_device *bdev,
 			      struct ttm_tt *ttm,
 			      struct ttm_resource *bo_mem);
+static void radeon_ttm_tt_unbind(struct ttm_bo_device *bdev,
+				 struct ttm_tt *ttm);
 
 struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev)
 {
@@ -249,10 +251,13 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
 	if (unlikely(r)) {
 		goto out_cleanup;
 	}
-	r = ttm_bo_move_old_to_system(bo, ctx);
+	r = ttm_bo_wait_ctx(bo, ctx);
 	if (unlikely(r))
 		goto out_cleanup;
 
+	radeon_ttm_tt_unbind(bo->bdev, bo->ttm);
+	ttm_resource_free(bo, &bo->mem);
+
 	r = ttm_tt_set_placement_caching(bo->ttm, new_mem->placement);
 	if (unlikely(r))
 		goto out_cleanup;
-- 
2.27.0



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