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| author |   Christian König <christian.koenig@amd.com> | 2020-07-15 14:52:05 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2020-07-21 16:21:43 +0200 |
| commit | f5a9a9383f279de9da63296cb623a6418a66196b (patch) | |
| tree | 5a9ade07bf0fc7342a4751bd248e75e04981ebca /include/drm | |
| parent | drm/ttm: cleanup coding style and implementation. (diff) | |
| download | linux-dev-f5a9a9383f279de9da63296cb623a6418a66196b.tar.xz linux-dev-f5a9a9383f279de9da63296cb623a6418a66196b.zip | |
drm/ttm: remove TTM_MEMTYPE_FLAG_CMA
The original intention was to avoid CPU page table unmaps
when BOs move between the GTT and SYSTEM domain.
The problem is that this never correctly handled changes
in the caching attributes or backing pages.
Just drop this for now and simply unmap the CPU page
tables in all cases.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/378240/
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/ttm/ttm_bo_driver.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 45522e4fbd6b..71b195e78c7c 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -47,7 +47,6 @@ #define TTM_MEMTYPE_FLAG_FIXED (1 << 0) /* Fixed (on-card) PCI memory */ #define TTM_MEMTYPE_FLAG_MAPPABLE (1 << 1) /* Memory mappable */ -#define TTM_MEMTYPE_FLAG_CMA (1 << 3) /* Can't map aperture */ struct ttm_mem_type_manager; |