| commit | e896d29a548d04371ce746f7d02a8488ff93d812 | [log] [tgz] |
|---|---|---|
| author | Chris Wilson <chris@chris-wilson.co.uk> | Fri May 11 14:52:07 2018 +0100 |
| committer | Chris Wilson <chris@chris-wilson.co.uk> | Fri May 11 17:17:46 2018 +0100 |
| tree | 010f34f1b4a7c421da576eb6d0caa450e5b9dd87 | |
| parent | e71a82d8c1fa28ab048227df929e4f07d98f1656 [diff] |
drm/i915/oa: Check that OA is disabled before unpinning Before we unpin the buffer used for OA reports and return it to the system, we need to be sure that the HW has finished writing into it. For lack of a better idea, poll OACONTROL to check it is switched off. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106379 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Tested-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180511135207.12880-1-chris@chris-wilson.co.uk