Re: [Regression] Laptop screen dark when lid closed and reopened.with 3.1

[Keith Packard]

On Sun, 25 Sep 2011 06:23:24 -0700 (PDT), Alex Davis <alex14641@xxxxxxxxx> wrote:

> Result with 3.0.x: password dialog appears. This is the correct result.
> 
> Result with git://anongit.freedesktop.org/~keithp/linux: screen is dark.
> Manually adjusting the brightness reveals a functioning mouse cursor, but
> no password dialog. Switching to a text console and back to the X session
> reveals the dialog.

Are yo using the drm-intel-fixes branch there? That's the one with the
FBC disable stuff.

Alternatively, you can just disable FBC manually by adding the kernel
argument:

        i915.i915_enable_fbc=0

> Result with 3.1rc7 with aaa6fd2a004147bf32fce05720938236de3361d9 reverted:
> screen with a functioning mouse cursor, but no password dialog. Switching
> to a text console and back to the X session reveals the dialog. Brightness
> cannot be controlled.

Ok, this is the second report of the new native backlight code failing;
not looking good for Matthew today :-)

-- 
keith.packard@xxxxxxxxx

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