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authorChristoph Hellwig <hch@lst.de>2019-07-26 09:58:36 +0300
committerChristoph Hellwig <hch@lst.de>2019-09-04 12:13:19 +0300
commit212836a9929f0c91214a8a1879e6e41be0e26a6f (patch)
tree7df7304c12d3cfbff50e43c5a91a179ff69cc5ff /drivers/gpu
parent62fcee9a3bd73e279d3052245a652a918d0c51da (diff)
downloadlinux-212836a9929f0c91214a8a1879e6e41be0e26a6f.tar.xz
dma-mapping: remove dma_{alloc,free,mmap}_writecombine
We can already use DMA_ATTR_WRITE_COMBINE or the _wc prefixed version, so remove the third way of doing things. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/dispc.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index 785c5546067a..ed0ccbeed70f 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -4609,11 +4609,10 @@ static int dispc_errata_i734_wa_init(struct dispc_device *dispc)
i734_buf.size = i734.ovli.width * i734.ovli.height *
color_mode_to_bpp(i734.ovli.fourcc) / 8;
- i734_buf.vaddr = dma_alloc_writecombine(&dispc->pdev->dev,
- i734_buf.size, &i734_buf.paddr,
- GFP_KERNEL);
+ i734_buf.vaddr = dma_alloc_wc(&dispc->pdev->dev, i734_buf.size,
+ &i734_buf.paddr, GFP_KERNEL);
if (!i734_buf.vaddr) {
- dev_err(&dispc->pdev->dev, "%s: dma_alloc_writecombine failed\n",
+ dev_err(&dispc->pdev->dev, "%s: dma_alloc_wc failed\n",
__func__);
return -ENOMEM;
}
@@ -4626,8 +4625,8 @@ static void dispc_errata_i734_wa_fini(struct dispc_device *dispc)
if (!dispc->feat->has_gamma_i734_bug)
return;
- dma_free_writecombine(&dispc->pdev->dev, i734_buf.size, i734_buf.vaddr,
- i734_buf.paddr);
+ dma_free_wc(&dispc->pdev->dev, i734_buf.size, i734_buf.vaddr,
+ i734_buf.paddr);
}
static void dispc_errata_i734_wa(struct dispc_device *dispc)