1. 02 12月, 2013 1 次提交
    • D
      drm/i915/lvds: don't restore hw state in the lid notifier for pch platforms · 5be19d91
      Daniel Vetter 提交于
      It's a pain for two reasons:
      - The vga plane redisablign requires actual legacy vgao i/o to pull
        of. The hw engineers really botched this one here :(
      - There seem to be some BIOS out there which send out lid events when
        unplugging. Together with our broken DP code, which disables the
        port when the cable is lost, this results in an immediate modeset
        call, which can hang on the wait for outstanding flips.
      - Also we don't want to force a modeset on machines where it's not
        really needed, see the referenced bug.
      
      We might want to extend this in general to also all machines that
      support opregion, since there the BIOS supposedly should manage the
      gfx hardware more cooperatively.
      
      v2: Pimp commit message a bit.
      
      Cc: Roland Dreier <roland@kernel.org>
      References: https://bugs.freedesktop.org/show_bug.cgi?id=65486Acked-by: NChris Wilson <chris@chris-wilson.co.uk>
      Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
      5be19d91
  2. 29 11月, 2013 1 次提交
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