Skip to content
Commit d1d8c925 authored by Eric Anholt's avatar Eric Anholt Committed by Dave Airlie
Browse files

Export kmap_atomic_pfn for DRM-GEM. 



The driver would like to map IO space directly for copying data in when
appropriate, to avoid CPU cache flushing for streaming writes.
kmap_atomic_pfn lets us avoid IPIs associated with ioremap for this process.

Signed-off-by: default avatarEric Anholt <eric@anholt.net>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 395e0ddc
Hide whitespace changes
Inline Side-by-side
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