Re: [Intel-gfx] [PATCH 2/4] drm/i915: Leave LVDS registers unlocked

From: Keith Packard
Date: Mon Aug 08 2011 - 14:43:06 EST

On Mon, 8 Aug 2011 09:30:10 -0700, Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote:

> Yep, looks fine. The only think we might want to sprinkle about are
> checks for panel off so we can avoid visible corruption if we whack
> timing or fb stuff while the panel is on.

So, I'd like to know if we could unlock the panel registers on pre-PCH
hardware as well at init time; that way I could remove the unlock code
From intel_lvds_prepare too. Should it be possible to set the
PANEL_UNLOCK_REGS bits for pre-PCH hardware without having the target off?


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