[Intel-gfx] [PATCH] drm/i915: select the appropriate pipe for LVDS
eric at anholt.net
Tue Dec 8 07:22:28 PST 2009
On Fri, 4 Dec 2009 21:48:24 +0800, yakui.zhao at intel.com wrote:
> From: Zhao Yakui <yakui.zhao at intel.com>
> On the pre-965 platform the integrated LVDS only can use the pipe B.
> And from the 965 platform we can also use the pipe A for integrated LVDS.
> If the BIOS selects the pipe A for integrated LVDS, we can keep the pipe
> programmed by BIOS for LVDS. Otherwise when external monitor is also
> connected, maybe we can't set the incorrect display mode for the external
> monitor in the boot phase.
> So we can keep the pipe programmed by BIOS for LVDS on the 965gm/g4x/
> ironlake platform.
Since every output should need to grow hacks like this if we go this
route, I'd rather see the previous patch fixed up.
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