From bde15555ba61c7f664f40fd3c6fdbdb63f784c9b Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Tue, 4 Jun 2019 13:54:26 +0200
Subject: [PATCH] drm/vmwgfx: Honor the sg list segment size limitation
Git-commit: bde15555ba61c7f664f40fd3c6fdbdb63f784c9b
Patch-mainline: v5.2-rc6
References: bsc#1111666
When building sg tables, honor the device sg list segment size limitation.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index a6ea75b58a83..d8ea3dd10af0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -441,11 +441,11 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
if (unlikely(ret != 0))
return ret;
- ret = sg_alloc_table_from_pages(&vmw_tt->sgt, vsgt->pages,
- vsgt->num_pages, 0,
- (unsigned long)
- vsgt->num_pages << PAGE_SHIFT,
- GFP_KERNEL);
+ ret = __sg_alloc_table_from_pages
+ (&vmw_tt->sgt, vsgt->pages, vsgt->num_pages, 0,
+ (unsigned long) vsgt->num_pages << PAGE_SHIFT,
+ dma_get_max_seg_size(dev_priv->dev->dev),
+ GFP_KERNEL);
if (unlikely(ret != 0))
goto out_sg_alloc_fail;
--
2.16.4