From a64f784bb14a56bfdfad2dc397dd67e4564e3a29 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 19 Oct 2018 16:55:26 +0200 Subject: drm/ttm: initialize globals during device init (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make sure that the global BO state is always correctly initialized. This allows removing all the device code to initialize it. v2: fix up vbox (Alex) Signed-off-by: Christian König Reviewed-by: Junwei Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/virtio/virtgpu_drv.h | 2 -- drivers/gpu/drm/virtio/virtgpu_ttm.c | 35 ----------------------------------- 2 files changed, 37 deletions(-) (limited to 'drivers/gpu/drm/virtio') diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index d9756b59e329..1acbf182536f 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -142,8 +142,6 @@ struct virtio_gpu_fbdev { }; struct virtio_gpu_mman { - struct ttm_bo_global_ref bo_global_ref; - bool mem_global_referenced; struct ttm_bo_device bdev; }; diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c index 8510109e09da..8fc088d5ef0d 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c @@ -50,35 +50,6 @@ virtio_gpu_device *virtio_gpu_get_vgdev(struct ttm_bo_device *bdev) return vgdev; } -static int virtio_gpu_ttm_global_init(struct virtio_gpu_device *vgdev) -{ - struct drm_global_reference *global_ref; - int r; - - vgdev->mman.mem_global_referenced = false; - global_ref = &vgdev->mman.bo_global_ref.ref; - global_ref->global_type = DRM_GLOBAL_TTM_BO; - global_ref->size = sizeof(struct ttm_bo_global); - global_ref->init = &ttm_bo_global_ref_init; - global_ref->release = &ttm_bo_global_ref_release; - r = drm_global_item_ref(global_ref); - if (r != 0) { - DRM_ERROR("Failed setting up TTM BO subsystem.\n"); - return r; - } - - vgdev->mman.mem_global_referenced = true; - return 0; -} - -static void virtio_gpu_ttm_global_fini(struct virtio_gpu_device *vgdev) -{ - if (vgdev->mman.mem_global_referenced) { - drm_global_item_unref(&vgdev->mman.bo_global_ref.ref); - vgdev->mman.mem_global_referenced = false; - } -} - int virtio_gpu_mmap(struct file *filp, struct vm_area_struct *vma) { struct drm_file *file_priv; @@ -356,12 +327,8 @@ int virtio_gpu_ttm_init(struct virtio_gpu_device *vgdev) { int r; - r = virtio_gpu_ttm_global_init(vgdev); - if (r) - return r; /* No others user of address space so set it to 0 */ r = ttm_bo_device_init(&vgdev->mman.bdev, - vgdev->mman.bo_global_ref.ref.object, &virtio_gpu_bo_driver, vgdev->ddev->anon_inode->i_mapping, DRM_FILE_PAGE_OFFSET, 0); @@ -380,13 +347,11 @@ int virtio_gpu_ttm_init(struct virtio_gpu_device *vgdev) err_mm_init: ttm_bo_device_release(&vgdev->mman.bdev); err_dev_init: - virtio_gpu_ttm_global_fini(vgdev); return r; } void virtio_gpu_ttm_fini(struct virtio_gpu_device *vgdev) { ttm_bo_device_release(&vgdev->mman.bdev); - virtio_gpu_ttm_global_fini(vgdev); DRM_INFO("virtio_gpu: ttm finalized\n"); } -- cgit v1.2.3