diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2016-09-16 18:32:26 +0900 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-09-16 15:53:05 -0400 |
| commit | af1f85ddecfa341e684db950c34a1813d36750db (patch) | |
| tree | d7c4e7f4871471d1e47a8ad7232f685e9498c782 /drivers/gpu/drm/ttm/ttm_tt.c | |
| parent | 0aa3e2d0cbff4c42997d75f35bb660fd382544e6 (diff) | |
| download | talos-op-linux-af1f85ddecfa341e684db950c34a1813d36750db.tar.gz talos-op-linux-af1f85ddecfa341e684db950c34a1813d36750db.zip | |
drm/ttm: remove cpu_address member from ttm_tt
Patch 3d50d4dcb0 exposed the CPU address of DMA-allocated pages as
returned by dma_alloc_coherent because Nouveau on Tegra needed it.
This is not required anymore - as there were no other users for it,
remove it and save some memory for everyone.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_tt.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index bc5aa573f466..aee3c00f836e 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -57,10 +57,8 @@ static void ttm_dma_tt_alloc_page_directory(struct ttm_dma_tt *ttm) { ttm->ttm.pages = drm_calloc_large(ttm->ttm.num_pages, sizeof(*ttm->ttm.pages) + - sizeof(*ttm->dma_address) + - sizeof(*ttm->cpu_address)); - ttm->cpu_address = (void *) (ttm->ttm.pages + ttm->ttm.num_pages); - ttm->dma_address = (void *) (ttm->cpu_address + ttm->ttm.num_pages); + sizeof(*ttm->dma_address)); + ttm->dma_address = (void *) (ttm->ttm.pages + ttm->ttm.num_pages); } #ifdef CONFIG_X86 @@ -244,7 +242,6 @@ void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma) drm_free_large(ttm->pages); ttm->pages = NULL; - ttm_dma->cpu_address = NULL; ttm_dma->dma_address = NULL; } EXPORT_SYMBOL(ttm_dma_tt_fini); |
