• Ben Widawsky's avatar
    drm/i915: Fix PSR programming · 24bd9bf5
    Ben Widawsky authored
    | has a higher precedence than ?. Therefore, the calculation doesn't do
    at all what you would expect. Thanks to Ken for convincing me that this
    was indeed the issue. Send me back to C programmer school, please.
    
    I'm sort of surprised PSR was continuing to work for people. It should
    be broken IMO (and it was broken for me, but I had assumed it never
    worked).
    
    Regression from:
    commit ed8546ac
    Author: Ben Widawsky <benjamin.widawsky@intel.com>
    Date:   Mon Nov 4 22:45:05 2013 -0800
    
        drm/i915/bdw: Support eDP PSR
    
    Cc: Rodrigo Vivi <rodrigo.vivi@gmail.com>
    Cc: Kenneth Graunke <kenneth.w.graunke@intel.com>
    Cc: Art Runyan <arthur.j.runyan@intel.com>
    Reported-by: default avatar"Kumar, Kiran S" <kiran.s.kumar@intel.com>
    Cc: stable@vger.kernel.org [v3.13+]
    Signed-off-by: default avatarBen Widawsky <ben@bwidawsk.net>
    Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
    24bd9bf5
intel_dp.c 107 KB