drm/i915/pmu: Check actual RC6 status
authorTvrtko Ursulin <tvrtko.ursulin@intel.com>
Wed, 31 Mar 2021 10:18:50 +0000 (11:18 +0100)
committerTvrtko Ursulin <tvrtko.ursulin@intel.com>
Fri, 9 Apr 2021 13:49:15 +0000 (14:49 +0100)
commit399cd9797052f5732f7e1db89d15a05bca712be1
tree486a1386201b9cf5e10a545635001a951ac2ce60
parentf7c379779161d364eb30338529490eac7dc377b7
drm/i915/pmu: Check actual RC6 status

RC6 support cannot be simply established by looking at the static device
HAS_RC6() flag. There are cases which disable RC6 at driver load time so
use the status of those check when deciding whether to enumerate the rc6
counter.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reported-by: Eero T Tamminen <eero.t.tamminen@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210331101850.2582027-1-tvrtko.ursulin@linux.intel.com
drivers/gpu/drm/i915/i915_pmu.c