From 78ad0f7bf2bb667729581f099781fc0b7ae58fcc Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Thu, 18 Mar 2010 13:07:47 +0100 Subject: drm/nouveau: Make use of TTM busy_placements. Previously we were filling it the same as "placements", but in some cases there're valid alternatives that we were ignoring completely. Keeping a back-up memory type helps on several low-mem situations. Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_gem.c | 55 ++++++++++++++++------------------- 1 file changed, 25 insertions(+), 30 deletions(-) (limited to 'drivers/gpu/drm/nouveau/nouveau_gem.c') diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 0d22f66..1bc0b38 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -180,40 +180,35 @@ nouveau_gem_set_domain(struct drm_gem_object *gem, uint32_t read_domains, { struct nouveau_bo *nvbo = gem->driver_private; struct ttm_buffer_object *bo = &nvbo->bo; - uint64_t flags; + uint32_t domains = valid_domains & + (write_domains ? write_domains : read_domains); + uint32_t pref_flags = 0, valid_flags = 0; - if (!valid_domains || (!read_domains && !write_domains)) + if (!domains) return -EINVAL; - if (write_domains) { - if ((valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) && - (write_domains & NOUVEAU_GEM_DOMAIN_VRAM)) - flags = TTM_PL_FLAG_VRAM; - else - if ((valid_domains & NOUVEAU_GEM_DOMAIN_GART) && - (write_domains & NOUVEAU_GEM_DOMAIN_GART)) - flags = TTM_PL_FLAG_TT; - else - return -EINVAL; - } else { - if ((valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) && - (read_domains & NOUVEAU_GEM_DOMAIN_VRAM) && - bo->mem.mem_type == TTM_PL_VRAM) - flags = TTM_PL_FLAG_VRAM; - else - if ((valid_domains & NOUVEAU_GEM_DOMAIN_GART) && - (read_domains & NOUVEAU_GEM_DOMAIN_GART) && - bo->mem.mem_type == TTM_PL_TT) - flags = TTM_PL_FLAG_TT; - else - if ((valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) && - (read_domains & NOUVEAU_GEM_DOMAIN_VRAM)) - flags = TTM_PL_FLAG_VRAM; - else - flags = TTM_PL_FLAG_TT; - } + if (valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) + valid_flags |= TTM_PL_FLAG_VRAM; + + if (valid_domains & NOUVEAU_GEM_DOMAIN_GART) + valid_flags |= TTM_PL_FLAG_TT; + + if ((domains & NOUVEAU_GEM_DOMAIN_VRAM) && + bo->mem.mem_type == TTM_PL_VRAM) + pref_flags |= TTM_PL_FLAG_VRAM; + + else if ((domains & NOUVEAU_GEM_DOMAIN_GART) && + bo->mem.mem_type == TTM_PL_TT) + pref_flags |= TTM_PL_FLAG_TT; + + else if (domains & NOUVEAU_GEM_DOMAIN_VRAM) + pref_flags |= TTM_PL_FLAG_VRAM; + + else + pref_flags |= TTM_PL_FLAG_TT; + + nouveau_bo_placement_set(nvbo, pref_flags, valid_flags); - nouveau_bo_placement_set(nvbo, flags); return 0; } -- cgit v1.1