From: Christian König <christian.koenig@amd.com>
Date: Mon, 9 Oct 2017 12:34:13 +0000 (+0200)
Subject: drm/ttm: don't use compound pages for now
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=f4c809914a7c3e4a59cf543da6c2a15d0f75ee38;p=openwrt%2Fstaging%2Fblogic.git

drm/ttm: don't use compound pages for now

We need to figure out first how to correctly map them into the CPU page tables.

bug: https://bugs.freedesktop.org/show_bug.cgi?id=103138
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
index e5ef10d34748..96ad12906621 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
@@ -913,6 +913,7 @@ static gfp_t ttm_dma_pool_gfp_flags(struct ttm_dma_tt *ttm_dma, bool huge)
 	if (huge) {
 		gfp_flags |= GFP_TRANSHUGE;
 		gfp_flags &= ~__GFP_MOVABLE;
+		gfp_flags &= ~__GFP_COMP;
 	}
 
 	return gfp_flags;