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drm/ttm: add default implementations for ttm_tt_(un)populate

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Use ttm_pool_populate/ttm_pool_unpopulate if the driver doesn't provide
a function.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-02-22 12:00:05 +01:00 committed by Alex Deucher
parent cd277585d6
commit e44fcf71f4
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/ttm/ttm_tt.c
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@ -410,7 +410,10 @@ int ttm_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
if (ttm->state != tt_unpopulated)
return 0;
ret = ttm->bdev->driver->ttm_tt_populate(ttm, ctx);
if (ttm->bdev->driver->ttm_tt_populate)
ret = ttm->bdev->driver->ttm_tt_populate(ttm, ctx);
else
ret = ttm_pool_populate(ttm, ctx);
if (!ret)
ttm_tt_add_mapping(ttm);
return ret;
@ -436,5 +439,8 @@ void ttm_tt_unpopulate(struct ttm_tt *ttm)
return;
ttm_tt_clear_mapping(ttm);
ttm->bdev->driver->ttm_tt_unpopulate(ttm);
if (ttm->bdev->driver->ttm_tt_unpopulate)
ttm->bdev->driver->ttm_tt_unpopulate(ttm);
else
ttm_pool_unpopulate(ttm);
}