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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-19 16:54:28 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-19 17:13:36 +0100 |
| commit | c58305af1835095ddc25ee6f548ac05915e66ac5 (patch) | |
| tree | c397de7bd3efb5dc92ba0feab1a5e0be2b325caa /drivers/gpu/drm/i915/Makefile | |
| parent | f7bbe7883c3f119714fd09a8ceaac8075ba04dfe (diff) | |
| download | lwn-c58305af1835095ddc25ee6f548ac05915e66ac5.tar.gz lwn-c58305af1835095ddc25ee6f548ac05915e66ac5.zip | |
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 <chris@chris-wilson.co.uk>
Testcase: igt/gem_fence_upload/performance
Testcase: igt/gem_mmap_gtt
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160819155428.1670-6-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/Makefile')
| -rw-r--r-- | drivers/gpu/drm/i915/Makefile | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 3412413408c0..a7da24640e88 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -12,6 +12,7 @@ subdir-ccflags-y += \ i915-y := i915_drv.o \ i915_irq.o \ i915_memcpy.o \ + i915_mm.o \ i915_params.o \ i915_pci.o \ i915_suspend.o \ @@ -113,6 +114,6 @@ i915-y += intel_gvt.o include $(src)/gvt/Makefile endif -obj-$(CONFIG_DRM_I915) += i915.o +obj-$(CONFIG_DRM_I915) += i915.o CFLAGS_i915_trace_points.o := -I$(src) |