From 2040ec970e94dde0b94e200ae9bb8f21a61c928f Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 15 Sep 2020 11:16:53 +1000 Subject: [PATCH] drm/ttm: split populate out from binding. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Drivers have to call populate themselves now before binding. Reviewed-by: Christian König Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/20200915024007.67163-5-airlied@gmail.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 +++++- drivers/gpu/drm/nouveau/nouveau_bo.c | 6 +++++- drivers/gpu/drm/radeon/radeon_ttm.c | 7 ++++++- drivers/gpu/drm/ttm/ttm_bo.c | 6 +++++- drivers/gpu/drm/ttm/ttm_bo_util.c | 7 ++++++- drivers/gpu/drm/ttm/ttm_tt.c | 11 +++++------ include/drm/ttm/ttm_tt.h | 3 +-- 7 files changed, 33 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 3e8376891ec8..9353e41cf669 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -547,8 +547,12 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict, goto out_cleanup; } + r = ttm_tt_populate(bo->bdev, bo->ttm, ctx); + if (unlikely(r)) + goto out_cleanup; + /* Bind the memory to the GTT space */ - r = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem, ctx); + r = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem); 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 963bac0730da..1088de50c14c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -920,7 +920,11 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr, if (ret) return ret; - ret = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_reg, &ctx); + ret = ttm_tt_populate(bo->bdev, bo->ttm, &ctx); + if (ret) + goto out; + + ret = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_reg); if (ret) goto out; diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index b0e8c9337f54..283302898201 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -233,7 +233,12 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo, goto out_cleanup; } - r = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem, &ctx); + r = ttm_tt_populate(bo->bdev, bo->ttm, &ctx); + if (unlikely(r)) { + goto out_cleanup; + } + + r = ttm_tt_bind(bo->bdev, bo->ttm, &tmp_mem); if (unlikely(r)) { goto out_cleanup; } diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index bca0d42a970a..654384c7aae1 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -260,7 +260,11 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, goto out_err; if (mem->mem_type != TTM_PL_SYSTEM) { - ret = ttm_tt_bind(bdev, bo->ttm, mem, ctx); + ret = ttm_tt_populate(bdev, bo->ttm, ctx); + if (ret) + goto out_err; + + ret = ttm_tt_bind(bdev, bo->ttm, mem); if (ret) goto out_err; } diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 8389972a1ed6..2ce97760a089 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -77,7 +77,12 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo, return ret; if (new_mem->mem_type != TTM_PL_SYSTEM) { - ret = ttm_tt_bind(bo->bdev, ttm, new_mem, ctx); + + ret = ttm_tt_populate(bo->bdev, ttm, ctx); + if (unlikely(ret != 0)) + return ret; + + ret = ttm_tt_bind(bo->bdev, ttm, new_mem); if (unlikely(ret != 0)) return ret; } diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 381face3cedb..93d65e5e4205 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -312,8 +312,7 @@ void ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm) } int ttm_tt_bind(struct ttm_bo_device *bdev, - struct ttm_tt *ttm, struct ttm_resource *bo_mem, - struct ttm_operation_ctx *ctx) + struct ttm_tt *ttm, struct ttm_resource *bo_mem) { int ret = 0; @@ -323,10 +322,6 @@ int ttm_tt_bind(struct ttm_bo_device *bdev, if (ttm_tt_is_bound(ttm)) return 0; - ret = ttm_tt_populate(bdev, ttm, ctx); - if (ret) - return ret; - ret = bdev->driver->ttm_tt_bind(bdev, ttm, bo_mem); if (unlikely(ret != 0)) return ret; @@ -455,6 +450,9 @@ int ttm_tt_populate(struct ttm_bo_device *bdev, { int ret; + if (!ttm) + return -EINVAL; + if (ttm_tt_is_populated(ttm)) return 0; @@ -466,6 +464,7 @@ int ttm_tt_populate(struct ttm_bo_device *bdev, ttm_tt_add_mapping(bdev, ttm); return ret; } +EXPORT_SYMBOL(ttm_tt_populate); static void ttm_tt_clear_mapping(struct ttm_tt *ttm) { diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h index 86ae759ff018..8f57d86ee67b 100644 --- a/include/drm/ttm/ttm_tt.h +++ b/include/drm/ttm/ttm_tt.h @@ -173,8 +173,7 @@ void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma); * Bind the pages of @ttm to an aperture location identified by @bo_mem */ int ttm_tt_bind(struct ttm_bo_device *bdev, - struct ttm_tt *ttm, struct ttm_resource *bo_mem, - struct ttm_operation_ctx *ctx); + struct ttm_tt *ttm, struct ttm_resource *bo_mem); /** * ttm_ttm_destroy: -- 2.20.1