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path: root/drivers/gpu/drm/i915/i915_gem_tiling.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_tiling.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index c2b7b67e410d..3208650a235c 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -469,18 +469,20 @@ i915_gem_swizzle_page(struct page *page)
void
i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj)
{
+ struct scatterlist *sg;
int page_count = obj->base.size >> PAGE_SHIFT;
int i;
if (obj->bit_17 == NULL)
return;
- for (i = 0; i < page_count; i++) {
- char new_bit_17 = page_to_phys(obj->pages[i]) >> 17;
+ for_each_sg(obj->pages->sgl, sg, page_count, i) {
+ struct page *page = sg_page(sg);
+ char new_bit_17 = page_to_phys(page) >> 17;
if ((new_bit_17 & 0x1) !=
(test_bit(i, obj->bit_17) != 0)) {
- i915_gem_swizzle_page(obj->pages[i]);
- set_page_dirty(obj->pages[i]);
+ i915_gem_swizzle_page(page);
+ set_page_dirty(page);
}
}
}
@@ -488,6 +490,7 @@ i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj)
void
i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj)
{
+ struct scatterlist *sg;
int page_count = obj->base.size >> PAGE_SHIFT;
int i;
@@ -501,8 +504,9 @@ i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj)
}
}
- for (i = 0; i < page_count; i++) {
- if (page_to_phys(obj->pages[i]) & (1 << 17))
+ for_each_sg(obj->pages->sgl, sg, page_count, i) {
+ struct page *page = sg_page(sg);
+ if (page_to_phys(page) & (1 << 17))
__set_bit(i, obj->bit_17);
else
__clear_bit(i, obj->bit_17);