diff options
| author | Christian König <christian.koenig@amd.com> | 2020-07-15 15:52:05 +0300 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2020-07-21 17:21:43 +0300 |
| commit | f5a9a9383f279de9da63296cb623a6418a66196b (patch) | |
| tree | 5a9ade07bf0fc7342a4751bd248e75e04981ebca /drivers/gpu/drm/nouveau/nouveau_bo.c | |
| parent | c1c440d41aff2fa22027ed51afcc4c69709515eb (diff) | |
| download | linux-f5a9a9383f279de9da63296cb623a6418a66196b.tar.xz | |
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 'drivers/gpu/drm/nouveau/nouveau_bo.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index a1037478fa3f..7883341f8c83 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -695,8 +695,7 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, TTM_PL_FLAG_WC; man->default_caching = TTM_PL_FLAG_WC; } else { - man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | - TTM_MEMTYPE_FLAG_CMA; + man->flags = TTM_MEMTYPE_FLAG_MAPPABLE; man->available_caching = TTM_PL_MASK_CACHING; man->default_caching = TTM_PL_FLAG_CACHED; } |