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drm/nouveau/ttm: handle ttm moves properly.

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The idea is to flip the core over to calling the driver always,
so add support for moves here.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200924051845.397177-6-airlied@gmail.com
This commit is contained in:
Dave Airlie 2020-09-24 15:18:05 +10:00
parent dac4ec775a
commit 12b68474e6
1 changed files with 12 additions and 0 deletions
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12
drivers/gpu/drm/nouveau/nouveau_bo.c
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@ -1057,6 +1057,18 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict,
goto out;
}
if (old_reg->mem_type == TTM_PL_SYSTEM &&
new_reg->mem_type == TTM_PL_TT) {
ttm_bo_move_null(bo, new_reg);
goto out;
}
if (old_reg->mem_type == TTM_PL_TT &&
new_reg->mem_type == TTM_PL_SYSTEM) {
ret = ttm_bo_move_ttm(bo, ctx, new_reg);
goto out;
}
/* Hardware assisted copy. */
if (drm->ttm.move) {
if (new_reg->mem_type == TTM_PL_SYSTEM)