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nouveau: factor out dmem fence completion 

Factor out the end of fencing logic from the two migration routines.

Link: https://lore.kernel.org/r/20190814075928.23766-5-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Tested-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Christoph Hellwig 2019-08-14 09:59:22 +02:00 committed by Jason Gunthorpe
parent 64de8b8d65
commit 2ab2bda53c
1 changed files with 15 additions and 18 deletions
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33
drivers/gpu/drm/nouveau/nouveau_dmem.c
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@ -133,6 +133,19 @@ static void nouveau_dmem_page_free(struct page *page)
spin_unlock(&chunk->lock);
}
static void nouveau_dmem_fence_done(struct nouveau_fence **fence)
{
if (fence) {
nouveau_fence_wait(*fence, true, false);
nouveau_fence_unref(fence);
} else {
/*
* FIXME wait for channel to be IDLE before calling finalizing
* the hmem object.
*/
}
}
static void
nouveau_dmem_fault_alloc_and_copy(struct vm_area_struct *vma,
const unsigned long *src_pfns,
@ -236,15 +249,7 @@ nouveau_dmem_fault_finalize_and_map(struct nouveau_dmem_fault *fault)
{
struct nouveau_drm *drm = fault->drm;
if (fault->fence) {
nouveau_fence_wait(fault->fence, true, false);
nouveau_fence_unref(&fault->fence);
} else {
/*
* FIXME wait for channel to be IDLE before calling finalizing
* the hmem object below (nouveau_migrate_hmem_fini()).
*/
}
nouveau_dmem_fence_done(&fault->fence);
while (fault->npages--) {
dma_unmap_page(drm->dev->dev, fault->dma[fault->npages],
@ -748,15 +753,7 @@ nouveau_dmem_migrate_finalize_and_map(struct nouveau_migrate *migrate)
{
struct nouveau_drm *drm = migrate->drm;
if (migrate->fence) {
nouveau_fence_wait(migrate->fence, true, false);
nouveau_fence_unref(&migrate->fence);
} else {
/*
* FIXME wait for channel to be IDLE before finalizing
* the hmem object below (nouveau_migrate_hmem_fini()) ?
*/
}
nouveau_dmem_fence_done(&migrate->fence);
while (migrate->dma_nr--) {
dma_unmap_page(drm->dev->dev, migrate->dma[migrate->dma_nr],