drm/i915/gvt: load host render mocs once in mocs switch

Browse source

Load host render mocs registers once for delta update of mocs switch, it
reduces mmio read times obviously, then brings performance improvement
during multi-vms switch.

Signed-off-by: Weinan Li <weinan.z.li@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

...

This commit is contained in:

Weinan Li 2017-12-13 10:47:02 +08:00 • committed by Zhenyu Wang

parent f402f2d6c3

commit b05b33970e

1 changed files with 42 additions and 9 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

51

drivers/gpu/drm/i915/gvt/mmio_context.c

View file