Commit 8408c282 authored by Chris Wilson's avatar Chris Wilson

drm/i915: First try a normal large kmalloc for the temporary exec buffers

As we just need a temporary array whilst performing the relocations for
the execbuffer, first attempt to allocate using kmalloc even if it is
not of order page-0. This avoids the overhead of remapping the
discontiguous array and so gives a moderate boost to execution
throughput.
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent fca87409
...@@ -1306,7 +1306,11 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data, ...@@ -1306,7 +1306,11 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
return -EINVAL; return -EINVAL;
} }
exec2_list = drm_malloc_ab(sizeof(*exec2_list), args->buffer_count); exec2_list = kmalloc(sizeof(*exec2_list)*args->buffer_count,
GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY);
if (exec2_list == NULL)
exec2_list = drm_malloc_ab(sizeof(*exec2_list),
args->buffer_count);
if (exec2_list == NULL) { if (exec2_list == NULL) {
DRM_ERROR("Failed to allocate exec list for %d buffers\n", DRM_ERROR("Failed to allocate exec list for %d buffers\n",
args->buffer_count); args->buffer_count);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment