From: Chris Wilson Date: Mon, 26 Aug 2013 22:51:00 +0000 (-0300) Subject: drm/i915: Always prefer CPU relocations with LLC X-Git-Tag: v4.13~8131^2~201^2~115 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=2cc86b826070cf312d7b0571e383c56d31a1fe5c;p=mirror_ubuntu-bionic-kernel.git drm/i915: Always prefer CPU relocations with LLC A follow-on to the update of the LLC coherency logic is that we can rely on the LLC being coherent with the CS for rewriting batchbuffers irrespective of their cache domain. (This should have no effect currently as all the batch buffers are expected to be I915_CACHE_LLC and so using the cpu relocation path anyway.) Signed-off-by: Chris Wilson Reviewed-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 93c8b28ff2e1..e519f9f6e5cd 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -202,7 +202,8 @@ static void eb_destroy(struct eb_vmas *eb) { static inline int use_cpu_reloc(struct drm_i915_gem_object *obj) { - return (obj->base.write_domain == I915_GEM_DOMAIN_CPU || + return (HAS_LLC(obj->base.dev) || + obj->base.write_domain == I915_GEM_DOMAIN_CPU || !obj->map_and_fenceable || obj->cache_level != I915_CACHE_NONE); } @@ -215,7 +216,7 @@ relocate_entry_cpu(struct drm_i915_gem_object *obj, char *vaddr; int ret = -EINVAL; - ret = i915_gem_object_set_to_cpu_domain(obj, 1); + ret = i915_gem_object_set_to_cpu_domain(obj, true); if (ret) return ret;