drm/qxl: allocate small objects top-down (8ee2f956) · Commits · 戴 / test

qxl uses small buffer objects for qxl commands. Allocate them top-down to reduce fragmentation. Signed-off-by:

drivers/gpu/drm/qxl/qxl_object.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -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)