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drm/radeon/ttm: handle ttm moves properly

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The core move code currently handles use_tt moves, for radeon
this was being handled also in the driver, but not using the same
paths.

If moving between TT/SYSTEM (all the use_tt paths on radeon) use
the core move function.

Eventually the core will be flipped over to calling the driver.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200924051845.397177-5-airlied@gmail.com
This commit is contained in:
Dave Airlie 2020-09-24 15:18:04 +10:00
parent 3a08446b31
commit 51e50e5422
1 changed files with 7 additions and 5 deletions
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12
drivers/gpu/drm/radeon/radeon_ttm.c
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@ -316,14 +316,16 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
ttm_bo_move_null(bo, new_mem);
return 0;
}
if ((old_mem->mem_type == TTM_PL_TT &&
new_mem->mem_type == TTM_PL_SYSTEM) ||
(old_mem->mem_type == TTM_PL_SYSTEM &&
new_mem->mem_type == TTM_PL_TT)) {
/* bind is enough */
if (old_mem->mem_type == TTM_PL_SYSTEM &&
new_mem->mem_type == TTM_PL_TT) {
ttm_bo_move_null(bo, new_mem);
return 0;
}
if (old_mem->mem_type == TTM_PL_TT &&
new_mem->mem_type == TTM_PL_SYSTEM)
return ttm_bo_move_ttm(bo, ctx, new_mem);
if (!rdev->ring[radeon_copy_ring_index(rdev)].ready ||
rdev->asic->copy.copy == NULL) {
/* use memcpy */