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| author | Imre Deak <imre.deak@intel.com> | 2018-01-30 09:29:39 -0500 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2018-02-01 14:13:21 -0500 |
| commit | 006bb4ccac3901d790b56ed4729cd4080a77a895 (patch) | |
| tree | f385d96a4b83498b863e96f8b7bb03072d537a7b /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | e76019a81921e87a4d9e7b3d86102bc708a6c227 (diff) | |
drm/i915/bxt, glk: Avoid long atomic poll during CDCLK change
There is no requirement for doing the PCODE request polling atomically,
so do that only for a short time switching to sleeping poll afterwards.
The specification requires a 150usec timeout for the change notification,
so let's use that for the atomic poll. Do the extra 2ms poll - needed as
a workaround on BXT/GLK - in sleeping mode.
v2:
- rebase on v2 of patchset dropping the sandybridge_pcode_read/write
refactoring (Chris)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180130142939.17983-2-imre.deak@intel.com
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions