[PATCH 14/45] drm/ttm: add move old to system to drivers.

Dave Airlie airlied at gmail.com
Thu Sep 24 05:18:14 UTC 2020


From: Dave Airlie <airlied at redhat.com>

Uninline ttm_bo_move_ttm. Eventually want to unhook the unbind out.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c |  9 ++++++++-
 drivers/gpu/drm/nouveau/nouveau_bo.c    |  9 ++++++++-
 drivers/gpu/drm/radeon/radeon_ttm.c     | 10 +++++++++-
 drivers/gpu/drm/ttm/ttm_bo_util.c       |  5 +++--
 include/drm/ttm/ttm_bo_driver.h         |  2 ++
 5 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 960a99d6793a..e20ce380f627 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -568,7 +568,14 @@ 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_ttm(bo, ctx, new_mem);
+	r = ttm_bo_move_old_to_system(bo, ctx);
+	if (unlikely(r))
+		goto out_cleanup;
+
+	r = ttm_tt_set_placement_caching(bo->ttm, new_mem->placement);
+	if (unlikely(r))
+		goto out_cleanup;
+	ttm_bo_assign_mem(bo, new_mem);
 out_cleanup:
 	ttm_resource_free(bo, &tmp_mem);
 	return r;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 2cb61eea9481..a95d208c76a1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -915,7 +915,14 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict,
 	if (ret)
 		goto out;
 
-	ret = ttm_bo_move_ttm(bo, ctx, new_reg);
+	ret = ttm_bo_move_old_to_system(bo, ctx);
+	if (ret)
+		goto out;
+
+	ret = ttm_tt_set_placement_caching(bo->ttm, new_reg->placement);
+	if (ret)
+		goto out;
+	ttm_bo_assign_mem(bo, new_reg);
 out:
 	ttm_resource_free(bo, &tmp_reg);
 	return ret;
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 7b778fc74f7b..89455f2d3bb6 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -249,7 +249,15 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
 	if (unlikely(r)) {
 		goto out_cleanup;
 	}
-	r = ttm_bo_move_ttm(bo, ctx, new_mem);
+	r = ttm_bo_move_old_to_system(bo, ctx);
+	if (unlikely(r))
+		goto out_cleanup;
+
+	r = ttm_tt_set_placement_caching(bo->ttm, new_mem->placement);
+	if (unlikely(r))
+		goto out_cleanup;
+	ttm_bo_assign_mem(bo, new_mem);
+
 out_cleanup:
 	ttm_resource_free(bo, &tmp_mem);
 	return r;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index e76883836e6e..1e701dd192d3 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -69,8 +69,8 @@ int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo,
 }
 EXPORT_SYMBOL(ttm_bo_move_to_new_tt_mem);
 
-static int ttm_bo_move_old_to_system(struct ttm_buffer_object *bo,
-				     struct ttm_operation_ctx *ctx)
+int ttm_bo_move_old_to_system(struct ttm_buffer_object *bo,
+			      struct ttm_operation_ctx *ctx)
 {
 	struct ttm_resource *old_mem = &bo->mem;
 	int ret;
@@ -90,6 +90,7 @@ static int ttm_bo_move_old_to_system(struct ttm_buffer_object *bo,
 	old_mem->mem_type = TTM_PL_SYSTEM;
 	return 0;
 }
+EXPORT_SYMBOL(ttm_bo_move_old_to_system);
 
 int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
 		   struct ttm_operation_ctx *ctx,
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 6690ec5d90ec..65cf86b3ba0b 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -605,6 +605,8 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
 		    struct ttm_operation_ctx *ctx,
 		    struct ttm_resource *new_mem);
 
+int ttm_bo_move_old_to_system(struct ttm_buffer_object *bo,
+			      struct ttm_operation_ctx *ctx);
 int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo,
 			      struct ttm_operation_ctx *ctx,
 			      struct ttm_resource *new_mem);
-- 
2.27.0



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