Am 22.11.2017 um 12:50 schrieb Chris Wilson:
Quoting Roger He (2017-11-22 11:44:27)
Change-Id: Idf5ccb579d264b343199d8b8344bddeec2c0019f
Signed-off-by: Roger He <hongbo...@amd.com>
---
drivers/gpu/drm/ttm/ttm_page_alloc.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c
b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index a8b2bfa..cdbb731 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -223,6 +223,17 @@ static struct kobj_type ttm_pool_kobj_type = {
static struct ttm_pool_manager *_manager;
#ifndef CONFIG_X86
+static int set_pages_wb(struct page *page, int numpages)
+{
+#if IS_ENABLED(CONFIG_AGP)
+ int i;
+
+ for (i = 0; i < numpages; i++)
+ unmap_page_from_agp(page++);
+#endif
+ return 0;
+}
+
static int set_pages_array_wb(struct page **pages, int addrinarray)
Both of these are shadowing exports from arch/x86, probably not the
wisest choice of names.
That is intended, please note the "#ifndef CONFIG_X86".
Basically TTM provides the same function for other architectures that we
have for X86.
Christian.
-Chris
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