From b8b99c7ddccea56b0ac589e5abf8274fe4118d4a Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 19 Oct 2020 17:13:11 +1000 Subject: [PATCH] drm/ttm: split out the move to system from move ttm code MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Ben Skeggs Reviewed-by: Christian König Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/20201019071314.1671485-3-airlied@gmail.com --- drivers/gpu/drm/ttm/ttm_bo_util.c | 39 +++++++++++++++++++++++++-------------- 1 file changed, 25 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index a36c615..4a46122 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -65,27 +65,38 @@ int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo, return 0; } -int ttm_bo_move_ttm(struct ttm_buffer_object *bo, - struct ttm_operation_ctx *ctx, - struct ttm_resource *new_mem) +static int ttm_bo_move_to_system(struct ttm_buffer_object *bo, + struct ttm_operation_ctx *ctx) { struct ttm_resource *old_mem = &bo->mem; int ret; - if (old_mem->mem_type != TTM_PL_SYSTEM) { - ret = ttm_bo_wait_ctx(bo, ctx); - - if (unlikely(ret != 0)) { - if (ret != -ERESTARTSYS) - pr_err("Failed to expire sync object before unbinding TTM\n"); - return ret; - } + if (old_mem->mem_type == TTM_PL_SYSTEM) + return 0; - ttm_bo_tt_unbind(bo); - ttm_resource_free(bo, &bo->mem); - old_mem->mem_type = TTM_PL_SYSTEM; + ret = ttm_bo_wait_ctx(bo, ctx); + if (unlikely(ret != 0)) { + if (ret != -ERESTARTSYS) + pr_err("Failed to expire sync object before unbinding TTM\n"); + return ret; } + ttm_bo_tt_unbind(bo); + ttm_resource_free(bo, &bo->mem); + old_mem->mem_type = TTM_PL_SYSTEM; + return 0; +} + +int ttm_bo_move_ttm(struct ttm_buffer_object *bo, + struct ttm_operation_ctx *ctx, + struct ttm_resource *new_mem) +{ + int ret; + + ret = ttm_bo_move_to_system(bo, ctx); + if (unlikely(ret != 0)) + return ret; + ret = ttm_bo_move_to_new_tt_mem(bo, ctx, new_mem); if (unlikely(ret != 0)) return ret; -- 2.7.4