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drm/ttm: remove default caching

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As far as I can tell this was never used either and we just
always fallback to the order cached > wc > uncached anyway.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/390142/
This commit is contained in:
Christian König
2020-09-11 15:06:53 +02:00
parent 46f206304d
commit 0fe438cec9
15 changed files with 14 additions and 39 deletions
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3
drivers/gpu/drm/ttm/ttm_bo.c
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@@ -876,8 +876,6 @@ static uint32_t ttm_bo_select_caching(struct ttm_resource_manager *man,
if ((cur_placement & caching) != 0)
result |= (cur_placement & caching);
else if ((man->default_caching & caching) != 0)
result |= man->default_caching;
else if ((TTM_PL_FLAG_CACHED & caching) != 0)
result |= TTM_PL_FLAG_CACHED;
else if ((TTM_PL_FLAG_WC & caching) != 0)
@@ -1435,7 +1433,6 @@ static void ttm_bo_init_sysman(struct ttm_bo_device *bdev)
*/
man->use_tt = true;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_CACHED;
ttm_resource_manager_init(man, 0);
ttm_set_driver_manager(bdev, TTM_PL_SYSTEM, man);