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| author | Tom O'Rourke <Tom.O'Rourke@intel.com> | 2015-02-11 08:06:46 +0100 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2015-02-11 13:09:51 +0100 |
| commit | 46efa4abe5712276494adbce102f46e3214632fd (patch) | |
| tree | a84284678d162e82b33327e94e8d27c7c1f10431 /drivers/vlynq | |
| parent | drm/i915: Really ignore long HPD pulses on eDP (diff) | |
| download | linux-46efa4abe5712276494adbce102f46e3214632fd.tar.xz linux-46efa4abe5712276494adbce102f46e3214632fd.zip | |
drm/i915: Clamp efficient frequency to valid range
The efficient frequency (RPe) should stay in the range
RPn <= RPe <= RP0. The pcode clamps the returned value
internally on Broadwell but not on Haswell.
Fix for missing range check in
commit 93ee29203f506582cca2bcec5f05041526d9ab0a
Author: Tom O'Rourke <Tom.O'Rourke@intel.com>
Date: Wed Nov 19 14:21:52 2014 -0800
drm/i915: Use efficient frequency for HSW/BDW
Reference: http://lists.freedesktop.org/archives/intel-gfx/2015-February/059802.html
Reported-by: Michael Auchter <a@phire.org>
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org # v3.19
Signed-off-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/vlynq')
0 files changed, 0 insertions, 0 deletions