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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2014-06-06 10:37:11 +0100 |
|---|---|---|
| committer |   Jani Nikula <jani.nikula@intel.com> | 2014-06-11 11:06:43 +0300 |
| commit | 0368920e51ae0cded0eb518c340a4dd17764d461 (patch) | |
| tree | fe9472fceaf2061424c361a44b829df53a40472d /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | Merge branch 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next (diff) | |
| download | linux-dev-0368920e51ae0cded0eb518c340a4dd17764d461.tar.xz linux-dev-0368920e51ae0cded0eb518c340a4dd17764d461.zip | |
drm/i915: Disable FBC by default also on Haswell and later
It causes black screen on bootup and is approximately 100x slower than
running with FBC disabled, so the GPU runs at a high frequency for much
longer - completely contrary to the power saving claims. It also still
has mutex deadlocks in multi-head scenarios, which can lead to a
system/X lockup. These bugs were known before FBC was enabled by default
on Haswell and still have not been fixed.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79716
Reported-and-tested-by: Jon Kristensen <info@jonkri.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
[Jani: update subject to reflect the actual change]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions