diff options
| author | Chris Wilson <[email protected]> | 2016-08-19 16:54:28 +0100 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2016-08-19 17:13:36 +0100 |
| commit | c58305af1835095ddc25ee6f548ac05915e66ac5 (patch) | |
| tree | c397de7bd3efb5dc92ba0feab1a5e0be2b325caa /lib/mpi/mpi-bit.c | |
| parent | f7bbe7883c3f119714fd09a8ceaac8075ba04dfe (diff) | |
drm/i915: Use remap_io_mapping() to prefault all PTE in a single pass
Very old numbers indicate this is a 66% improvement when remapping the
entire object for fence contention - due to the elimination of
track_pfn_insert and its strcmp.
Signed-off-by: Chris Wilson <[email protected]>
Testcase: igt/gem_fence_upload/performance
Testcase: igt/gem_mmap_gtt
Reviewed-by: Joonas Lahtinen <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'lib/mpi/mpi-bit.c')
0 files changed, 0 insertions, 0 deletions