tree e5410ae117517d5ee4d8d179acef3c24a5b710b3
parent 59f3da1e0ecb48e28c2ff6ffed4c354997452e77
author Lionel Landwerlin <lionel.g.landwerlin@intel.com> 1501779487 +0100
committer Lionel Landwerlin <lionel.g.landwerlin@intel.com> 1501780667 +0100

drm/i915/perf: fix flex eu registers programming

We were reserving fewer dwords in the ring than necessary. Indeed
we're always writing all registers once, so discard the actual number
of registers given by the user and just program the whitelisted ones
once.

Fixes: 19f81df2859e ("drm/i915/perf: Add OA unit support for Gen 8+")
Reported-by: Matthew Auld <matthew.william.auld@gmail.com>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Cc: <stable@vger.kernel.org> # v4.12+
Link: https://patchwork.freedesktop.org/patch/msgid/20170803165812.2373-6-lionel.g.landwerlin@intel.com