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Commit d3861d4c authored by Thomas Hellstrom's avatar Thomas Hellstrom Committed by Greg Kroah-Hartman
Browse files

drm/vmwgfx: Honor the sg list segment size limitation 



[ Upstream commit bde15555ba61c7f664f40fd3c6fdbdb63f784c9b ]

When building sg tables, honor the device sg list segment size limitation.

Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: default avatarDeepak Rawat <drawat@vmware.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent c0b12abd

drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c

+5 −5
Original line number Original line Diff line number Diff line
@@ -448,10 +448,10 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt) 
		if (unlikely(ret != 0))

		if (unlikely(ret != 0))

			return ret;

			return ret;





		ret = sg_alloc_table_from_pages(&vmw_tt->sgt, vsgt->pages,

		ret = __sg_alloc_table_from_pages

						vsgt->num_pages, 0,

			(&vmw_tt->sgt, vsgt->pages, vsgt->num_pages, 0,

						(unsigned long)

			 (unsigned long) vsgt->num_pages << PAGE_SHIFT,

						vsgt->num_pages << PAGE_SHIFT,

			 dma_get_max_seg_size(dev_priv->dev->dev),

			 GFP_KERNEL);

			 GFP_KERNEL);

		if (unlikely(ret != 0))

		if (unlikely(ret != 0))

			goto out_sg_alloc_fail;

			goto out_sg_alloc_fail;