From: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Date: Thu, 11 Jul 2013 21:45:00 +0000 (-0300)
Subject: drm/i915: Match all PSR mode entry conditions before enabling it.
X-Git-Tag: v3.12-rc1~136^2~129^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f51e4713fc57ab0fc225c3f0e67578a53c24a11;p=pandora-kernel.git

drm/i915: Match all PSR mode entry conditions before enabling it.

v2: Prefer seq_puts to seq_printf by Paulo Zanoni.
v3: small changes like avoiding calling dp_to_dig_port twice as noticed by
    Paulo Zanoni.
v4: Avoiding reading non-existent registers - noticed by Paulo
    on first psr debugfs patch.
v5: Accepting more suggestions from Paulo:
    * check sw interlace flag instead of i915_read
    * introduce PSR_S3D_ENABLED to avoid forgeting it whenever added.

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Shobhit Kumar <shobhit.kumar@intel.com>
[danvet: Fix up debugfs output (spotted by Paulo) and rip out the
power well check since we really can't do that in a race-free manner,
so it's bogus.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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