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Commit 54ddc5f2 authored by Roger He's avatar Roger He Committed by Alex Deucher
Browse files

drm/ttm: add set_pages_wb for handling page order more than zero 



Reviewed-by: default avatarChunming Zhou <david1.zhou@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarRoger He <Hongbo.He@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6d5e4e32

drivers/gpu/drm/ttm/ttm_page_alloc.c

+11 −0
Original line number Diff line number Diff line
@@ -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)

{

#if IS_ENABLED(CONFIG_AGP)