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path: root/drivers/gpu/drm/radeon/radeon_ttm.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ttm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 8624979afb65..d02aa1d0f588 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -196,9 +196,32 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
rbo = container_of(bo, struct radeon_bo, tbo);
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
- if (rbo->rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready == false)
+ if (rbo->rdev->ring[radeon_copy_ring_index(rbo->rdev)].ready == false)
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_CPU);
- else
+ else if (rbo->rdev->mc.visible_vram_size < rbo->rdev->mc.real_vram_size &&
+ bo->mem.start < (rbo->rdev->mc.visible_vram_size >> PAGE_SHIFT)) {
+ unsigned fpfn = rbo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
+ int i;
+
+ /* Try evicting to the CPU inaccessible part of VRAM
+ * first, but only set GTT as busy placement, so this
+ * BO will be evicted to GTT rather than causing other
+ * BOs to be evicted from VRAM
+ */
+ radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM |
+ RADEON_GEM_DOMAIN_GTT);
+ rbo->placement.num_busy_placement = 0;
+ for (i = 0; i < rbo->placement.num_placement; i++) {
+ if (rbo->placements[i].flags & TTM_PL_FLAG_VRAM) {
+ if (rbo->placements[0].fpfn < fpfn)
+ rbo->placements[0].fpfn = fpfn;
+ } else {
+ rbo->placement.busy_placement =
+ &rbo->placements[i];
+ rbo->placement.num_busy_placement = 1;
+ }
+ }
+ } else
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);
break;
case TTM_PL_TT: