qxl uses small buffer objects for qxl commands.
Allocate them top-down to reduce fragmentation.
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
drivers/gpu/drm/qxl/qxl_object.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
index 927ab917b834..ad336c98a0cf 100644
--- a/drivers/gpu/drm/qxl/qxl_object.c
+++ b/drivers/gpu/drm/qxl/qxl_object.c
@@ -54,9 +54,14 @@ bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo)
void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned)
{
u32 c = 0;
- u32 pflag = pinned ? TTM_PL_FLAG_NO_EVICT : 0;
+ u32 pflag = 0;
unsigned int i;
+ if (pinned)
+ pflag |= TTM_PL_FLAG_NO_EVICT;
+ if (qbo->tbo.base.size <= PAGE_SIZE)
+ pflag |= TTM_PL_FLAG_TOPDOWN;
+
qbo->placement.placement = qbo->placements;
qbo->placement.busy_placement = qbo->placements;
if (domain == QXL_GEM_DOMAIN_VRAM)
--
2.18.1
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