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| author | Roger He <Hongbo.He@amd.com> | 2017-11-22 08:09:33 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-12-06 18:48:14 +0100 |
| commit | 154683dd39f0591e1c52745cba62156ab946958c (patch) | |
| tree | 0f46cdb362ad7909a743e9f36857768ba35ec70f /drivers/gpu/drm/ttm/ttm_page_alloc.c | |
| parent | drm/amd/display: dal 3.1.20 (diff) | |
| download | linux-154683dd39f0591e1c52745cba62156ab946958c.tar.xz linux-154683dd39f0591e1c52745cba62156ab946958c.zip | |
drm/ttm: add set_pages_wb for handling page order more than zero
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_page_alloc.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_page_alloc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index bf25ba25bfc6..359a641d3211 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) { #if IS_ENABLED(CONFIG_AGP) |