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Merge tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping

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Pull dma-mapping updates from Christoph Hellwig:

 - rework the non-coherent DMA allocator

 - move private definitions out of <linux/dma-mapping.h>

 - lower CMA_ALIGNMENT (Paul Cercueil)

 - remove the omap1 dma address translation in favor of the common code

 - make dma-direct aware of multiple dma offset ranges (Jim Quinlan)

 - support per-node DMA CMA areas (Barry Song)

 - increase the default seg boundary limit (Nicolin Chen)

 - misc fixes (Robin Murphy, Thomas Tai, Xu Wang)

 - various cleanups

* tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping: (63 commits)
  ARM/ixp4xx: add a missing include of dma-map-ops.h
  dma-direct: simplify the DMA_ATTR_NO_KERNEL_MAPPING handling
  dma-direct: factor out a dma_direct_alloc_from_pool helper
  dma-direct check for highmem pages in dma_direct_alloc_pages
  dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h>
  dma-mapping: move large parts of <linux/dma-direct.h> to kernel/dma
  dma-mapping: move dma-debug.h to kernel/dma/
  dma-mapping: remove <asm/dma-contiguous.h>
  dma-mapping: merge <linux/dma-contiguous.h> into <linux/dma-map-ops.h>
  dma-contiguous: remove dma_contiguous_set_default
  dma-contiguous: remove dev_set_cma_area
  dma-contiguous: remove dma_declare_contiguous
  dma-mapping: split <linux/dma-mapping.h>
  cma: decrease CMA_ALIGNMENT lower limit to 2
  firewire-ohci: use dma_alloc_pages
  dma-iommu: implement ->alloc_noncoherent
  dma-mapping: add new {alloc,free}_noncoherent dma_map_ops methods
  dma-mapping: add a new dma_alloc_pages API
  dma-mapping: remove dma_cache_sync
  53c700: convert to dma_alloc_noncoherent
  ...
This commit is contained in:
Linus Torvalds
2020-10-15 14:43:29 -07:00
parent f065199d4d 2a410d0941
commit 5a32c3413d
170 changed files with 1926 additions and 1704 deletions
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8
drivers/gpu/drm/sun4i/sun4i_backend.c
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@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
@@ -810,8 +811,13 @@ static int sun4i_backend_bind(struct device *dev, struct device *master,
* because of an old DT, we need to set the DMA offset by hand
* on our device since the RAM mapping is at 0 for the DMA bus,
* unlike the CPU.
*
* XXX(hch): this has no business in a driver and needs to move
* to the device tree.
*/
drm->dev->dma_pfn_offset = PHYS_PFN_OFFSET;
ret = dma_direct_set_offset(drm->dev, PHYS_OFFSET, 0, SZ_4G);
if (ret)
return ret;
}
backend->engine.node = dev->of_node;