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    SubjectRe: [PATCH v2] drm/i915: Fix blank panel at reopening lid
    On Sat, Aug 11, 2012 at 08:56:42AM +0200, Takashi Iwai wrote:
    > When you reopen the lid on a laptop with PCH, the panel suddenly goes
    > blank sometimes. It seems because BLC_PWM_CPU_CTL register is cleared
    > to zero when BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1 registers are
    > enabled.
    >
    > This patch fixes the problem by moving the call of the function setting
    > BLC_PWM_CPU_CTL after enabling other two registers.
    >
    > Reported-and-tested-by: Hugh Dickins <hughd@google.com>
    > Signed-off-by: Takashi Iwai <tiwai@suse.de>
    > ---
    > v1->v2: add comments, fixed changelog
    Picked up for -fixes, thanks for the patch.
    -Daniel
    --
    Daniel Vetter
    Mail: daniel@ffwll.ch
    Mobile: +41 (0)79 365 57 48


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