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path: root/drivers/gpu/drm/ttm/ttm_bo.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c49
1 files changed, 28 insertions, 21 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 412240a3ba90..e44626a2e698 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1020,37 +1020,44 @@ out_unlock:
return ret;
}
-bool ttm_bo_mem_compat(struct ttm_placement *placement,
- struct ttm_mem_reg *mem,
- uint32_t *new_flags)
+static bool ttm_bo_places_compat(const struct ttm_place *places,
+ unsigned num_placement,
+ struct ttm_mem_reg *mem,
+ uint32_t *new_flags)
{
- int i;
-
- for (i = 0; i < placement->num_placement; i++) {
- const struct ttm_place *heap = &placement->placement[i];
- if (mem->mm_node &&
- (mem->start < heap->fpfn ||
- (heap->lpfn != 0 && (mem->start + mem->num_pages) > heap->lpfn)))
- continue;
+ unsigned i;
- *new_flags = heap->flags;
- if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) &&
- (*new_flags & mem->placement & TTM_PL_MASK_MEM))
- return true;
- }
+ for (i = 0; i < num_placement; i++) {
+ const struct ttm_place *heap = &places[i];
- for (i = 0; i < placement->num_busy_placement; i++) {
- const struct ttm_place *heap = &placement->busy_placement[i];
- if (mem->mm_node &&
- (mem->start < heap->fpfn ||
+ if (mem->mm_node && (mem->start < heap->fpfn ||
(heap->lpfn != 0 && (mem->start + mem->num_pages) > heap->lpfn)))
continue;
*new_flags = heap->flags;
if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) &&
- (*new_flags & mem->placement & TTM_PL_MASK_MEM))
+ (*new_flags & mem->placement & TTM_PL_MASK_MEM) &&
+ (!(*new_flags & TTM_PL_FLAG_CONTIGUOUS) ||
+ (mem->placement & TTM_PL_FLAG_CONTIGUOUS)))
return true;
}
+ return false;
+}
+
+bool ttm_bo_mem_compat(struct ttm_placement *placement,
+ struct ttm_mem_reg *mem,
+ uint32_t *new_flags)
+{
+ if (ttm_bo_places_compat(placement->placement, placement->num_placement,
+ mem, new_flags))
+ return true;
+
+ if ((placement->busy_placement != placement->placement ||
+ placement->num_busy_placement > placement->num_placement) &&
+ ttm_bo_places_compat(placement->busy_placement,
+ placement->num_busy_placement,
+ mem, new_flags))
+ return true;
return false;
}