From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sat, 28 Jan 2012 13:49:23 +0000 (+0100)
Subject: drm/i915: don't allow interlaced pipeconf on gen2
X-Git-Tag: v3.4-rc1~143^2~85^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbb025757a30cd225c5587685ae0971ecf301718;p=pandora-kernel.git

drm/i915: don't allow interlaced pipeconf on gen2

gen2 doesn't support it, so be a bit more paranoid and add a check to
ensure that we never ever set an unsupported interlaced bit.

Ensure that userspace can't set an interlaced mode by resetting
interlace_allowed for the crt on gen2. dvo and lvds are the only other
encoders that gen2 supports and these already disallow interlaced
modes.

Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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