From 8129fdad387ae3cf6373d74a6afb5372bf773cbd Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Thu, 21 Jun 2018 15:21:36 +0200 Subject: [PATCH] drm/ttm: Replace ttm_bo_reference() with ttm_bo_get() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Thomas Zimmermann Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/ttm/ttm_bo_util.c | 3 ++- drivers/gpu/drm/ttm/ttm_bo_vm.c | 10 ++++++---- 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index f2c167702eef..897c799832f6 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -492,8 +492,9 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo, if (!fbo) return -ENOMEM; + ttm_bo_get(bo); fbo->base = *bo; - fbo->bo = ttm_bo_reference(bo); + fbo->bo = bo; /** * Fix up members that we shouldn't copy directly: diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 0ca0ec47334e..9eaca0acb650 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -68,7 +68,7 @@ static vm_fault_t ttm_bo_vm_fault_idle(struct ttm_buffer_object *bo, if (vmf->flags & FAULT_FLAG_RETRY_NOWAIT) goto out_unlock; - ttm_bo_reference(bo); + ttm_bo_get(bo); up_read(&vmf->vma->vm_mm->mmap_sem); (void) dma_fence_wait(bo->moving, true); ttm_bo_unreserve(bo); @@ -138,7 +138,7 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf) if (vmf->flags & FAULT_FLAG_ALLOW_RETRY) { if (!(vmf->flags & FAULT_FLAG_RETRY_NOWAIT)) { - ttm_bo_reference(bo); + ttm_bo_get(bo); up_read(&vmf->vma->vm_mm->mmap_sem); (void) ttm_bo_wait_unreserved(bo); ttm_bo_unref(&bo); @@ -302,7 +302,7 @@ static void ttm_bo_vm_open(struct vm_area_struct *vma) WARN_ON(bo->bdev->dev_mapping != vma->vm_file->f_mapping); - (void)ttm_bo_reference(bo); + ttm_bo_get(bo); } static void ttm_bo_vm_close(struct vm_area_struct *vma) @@ -471,8 +471,10 @@ int ttm_fbdev_mmap(struct vm_area_struct *vma, struct ttm_buffer_object *bo) if (vma->vm_pgoff != 0) return -EACCES; + ttm_bo_get(bo); + vma->vm_ops = &ttm_bo_vm_ops; - vma->vm_private_data = ttm_bo_reference(bo); + vma->vm_private_data = bo; vma->vm_flags |= VM_MIXEDMAP; vma->vm_flags |= VM_IO | VM_DONTEXPAND; return 0; -- 2.30.2