| Message ID | 20161212115350.780-2-chris@chris-wilson.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On ma, 2016-12-12 at 11:53 +0000, Chris Wilson wrote: > When we evict from the GTT to make room for an object, the hole we > create is put onto the MRU stack inside the drm_mm range manager. On the > next search pass, we can speed up a PIN_HIGH allocation by referencing > that stack for the new hole. > > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Regards, Joonas
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 37c3eebe8316..ca62a3371d94 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -442,8 +442,10 @@ i915_vma_insert(struct i915_vma *vma, u64 size, u64 alignment, u64 flags) obj->cache_level, start, end, flags); - if (ret == 0) + if (ret == 0) { + search_flag = DRM_MM_SEARCH_DEFAULT; goto search_free; + } goto err_unpin; }
When we evict from the GTT to make room for an object, the hole we create is put onto the MRU stack inside the drm_mm range manager. On the next search pass, we can speed up a PIN_HIGH allocation by referencing that stack for the new hole. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> --- drivers/gpu/drm/i915/i915_vma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)