summaryrefslogtreecommitdiff
path: root/patches/collateral-evolutions/drm/03-swiotlb/drivers_gpu_drm_i915_i915_gem.patch
blob: dd9ae0ecff64a6697cd9f0d9adabb1143091cf98 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0022afd..2616dae 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1808,6 +1808,7 @@ i915_gem_object_get_pages_gtt(struct drm
 			gfp |= __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD;
 			gfp &= ~(__GFP_IO | __GFP_WAIT);
 		}
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 #ifdef CONFIG_SWIOTLB
 		if (swiotlb_nr_tbl()) {
 			st->nents++;
@@ -1816,6 +1817,7 @@ i915_gem_object_get_pages_gtt(struct drm
 			continue;
 		}
 #endif
+#endif
 		if (!i || page_to_pfn(page) != last_pfn + 1) {
 			if (i)
 				sg = sg_next(sg);
@@ -1826,9 +1828,11 @@ i915_gem_object_get_pages_gtt(struct drm
 		}
 		last_pfn = page_to_pfn(page);
 	}
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
 #ifdef CONFIG_SWIOTLB
 	if (!swiotlb_nr_tbl())
 #endif
+#endif
 		sg_mark_end(sg);
 	obj->pages = st;