diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ttm.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index a0a839bc39bf..cbb67e9ffb3a 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -686,18 +686,17 @@ static struct ttm_backend_func radeon_backend_func = { .destroy = &radeon_ttm_backend_destroy, }; -static struct ttm_tt *radeon_ttm_tt_create(struct ttm_bo_device *bdev, - unsigned long size, uint32_t page_flags, - struct page *dummy_read_page) +static struct ttm_tt *radeon_ttm_tt_create(struct ttm_buffer_object *bo, + uint32_t page_flags) { struct radeon_device *rdev; struct radeon_ttm_tt *gtt; - rdev = radeon_get_rdev(bdev); + rdev = radeon_get_rdev(bo->bdev); #if IS_ENABLED(CONFIG_AGP) if (rdev->flags & RADEON_IS_AGP) { - return ttm_agp_tt_create(bdev, rdev->ddev->agp->bridge, - size, page_flags, dummy_read_page); + return ttm_agp_tt_create(bo, rdev->ddev->agp->bridge, + page_flags); } #endif @@ -707,7 +706,7 @@ static struct ttm_tt *radeon_ttm_tt_create(struct ttm_bo_device *bdev, } gtt->ttm.ttm.func = &radeon_backend_func; gtt->rdev = rdev; - if (ttm_dma_tt_init(>t->ttm, bdev, size, page_flags, dummy_read_page)) { + if (ttm_dma_tt_init(>t->ttm, bo, page_flags)) { kfree(gtt); return NULL; } @@ -728,9 +727,6 @@ static int radeon_ttm_tt_populate(struct ttm_tt *ttm, struct radeon_device *rdev; bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG); - if (ttm->state != tt_unpopulated) - return 0; - if (gtt && gtt->userptr) { ttm->sg = kzalloc(sizeof(struct sg_table), GFP_KERNEL); if (!ttm->sg) @@ -756,7 +752,7 @@ static int radeon_ttm_tt_populate(struct ttm_tt *ttm, #endif #ifdef CONFIG_SWIOTLB - if (swiotlb_nr_tbl()) { + if (rdev->need_swiotlb && swiotlb_nr_tbl()) { return ttm_dma_populate(>t->ttm, rdev->dev, ctx); } #endif @@ -788,7 +784,7 @@ static void radeon_ttm_tt_unpopulate(struct ttm_tt *ttm) #endif #ifdef CONFIG_SWIOTLB - if (swiotlb_nr_tbl()) { + if (rdev->need_swiotlb && swiotlb_nr_tbl()) { ttm_dma_unpopulate(>t->ttm, rdev->dev); return; } @@ -951,11 +947,11 @@ void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size) static struct vm_operations_struct radeon_ttm_vm_ops; static const struct vm_operations_struct *ttm_vm_ops = NULL; -static int radeon_ttm_fault(struct vm_fault *vmf) +static vm_fault_t radeon_ttm_fault(struct vm_fault *vmf) { struct ttm_buffer_object *bo; struct radeon_device *rdev; - int r; + vm_fault_t ret; bo = (struct ttm_buffer_object *)vmf->vma->vm_private_data; if (bo == NULL) { @@ -963,9 +959,9 @@ static int radeon_ttm_fault(struct vm_fault *vmf) } rdev = radeon_get_rdev(bo->bdev); down_read(&rdev->pm.mclk_lock); - r = ttm_vm_ops->fault(vmf); + ret = ttm_vm_ops->fault(vmf); up_read(&rdev->pm.mclk_lock); - return r; + return ret; } int radeon_mmap(struct file *filp, struct vm_area_struct *vma) @@ -1155,7 +1151,7 @@ static int radeon_ttm_debugfs_init(struct radeon_device *rdev) count = ARRAY_SIZE(radeon_ttm_debugfs_list); #ifdef CONFIG_SWIOTLB - if (!swiotlb_nr_tbl()) + if (!(rdev->need_swiotlb && swiotlb_nr_tbl())) --count; #endif |
