Commit e1bf29e0 authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm: drop cache sync hack 



Now that it isn't causing problems to use dma_map/unmap, we can drop the
hack of using dma_sync in certain cases.

Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent f032b681

drivers/gpu/drm/msm/msm_gem.c

+4 −14
Original line number Diff line number Diff line
@@ -52,27 +52,17 @@ static void sync_for_device(struct msm_gem_object *msm_obj) 
{

	struct device *dev = msm_obj->base.dev->dev;



	if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) {

		dma_sync_sg_for_device(dev, msm_obj->sgt->sgl,

			msm_obj->sgt->nents, DMA_BIDIRECTIONAL);

	} else {

	dma_map_sg(dev, msm_obj->sgt->sgl,

		msm_obj->sgt->nents, DMA_BIDIRECTIONAL);

}

}



static void sync_for_cpu(struct msm_gem_object *msm_obj)

{

	struct device *dev = msm_obj->base.dev->dev;



	if (get_dma_ops(dev) && IS_ENABLED(CONFIG_ARM64)) {

		dma_sync_sg_for_cpu(dev, msm_obj->sgt->sgl,

			msm_obj->sgt->nents, DMA_BIDIRECTIONAL);

	} else {

	dma_unmap_sg(dev, msm_obj->sgt->sgl,

		msm_obj->sgt->nents, DMA_BIDIRECTIONAL);

}

}



/* allocate pages from VRAM carveout, used when no IOMMU: */

static struct page **get_pages_vram(struct drm_gem_object *obj, int npages)