[Bug 53926] [945gm regression] LVDS boots to blank screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=53926

--- Comment #60 from Nathan Schulte <nmschulte at gmail.com> ---
On Tue, 2013-01-15 at 15:14 -0600, Nathan Schulte wrote:
> I am currently bisecting between the two to see where the fix is.

f20e0b08b8b2a8432e6abf3683960099f0ab2958 is the first bad commit
commit f20e0b08b8b2a8432e6abf3683960099f0ab2958
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Dec 7 10:43:25 2012 +0000

    drm/i915: Prefer CRTC 'active' rather than 'enabled' during WM
computations

    Only the intel_crtc->active is accurate at the point where we wish
to
    perform WM computations, so use it instead of crtc->enabled.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>
    Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

This commit fixes the issue for me.  I can try cherry-picking if you
wish.

--
Nate

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