From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: Intel i3 / 945GM/ KMS / Debian
Date: Sun, 20 Mar 2011 16:08:59 +0000
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References: <20110320175207.GA28328@namak>
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To: Christophe Gallaire <zamasp@gmail.com>, Intel-gfx@lists.freedesktop.org
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On Sun, 20 Mar 2011 18:52:07 +0100, Christophe Gallaire <zamasp@gmail.com> wrote:
> My machine, a Lenovo U160, running with an Intel i3, Debian, testing stage. I
> tried everything to exploit the graphics capabilities with the driver
> xserver-xorg-vidéo-intel from all branches of Debian. Activated with the KMS,
> black screen at boot. Without KMS, black screen at GDM login.

The U160 requires this hack:

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios
index fb5b4d4..53ff16f 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -267,7 +267,7 @@ static int intel_bios_ssc_frequency(struct drm_device *dev,
        case 4:
                return alternate ? 100 : 96;
        default:
-               return alternate ? 100 : 120;
+               return alternate ? 120 : 100;
        }
 }
 
When I work out why, I'm liable to get very angry.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

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