From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Wed, 3 Jun 2015 12:45:13 +0000 (+0300)
Subject: drm/i915: BDW clock change support
X-Git-Tag: omap-for-v4.3/fixes-rc1~89^2~36^2~307^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b432e5cfd5e92127ad2dd83bfc3083f1dbce43fb;p=pandora-kernel.git

drm/i915: BDW clock change support

Add support for changing cdclk frequency during runtime on BDW.

Also with IPS enabled the actual pixel rate mustn't exceed 95% of cdclk,
so take that into account when computing the max pixel rate.

v2: Grab rps.hw_lock around sandybridge_pcode_write()
v3: Rebase due to power well vs. .global_resources() reordering
v4: Rebased to the latest
v5: Rebased to the latest
v6: Patch order shuffle so that Broadwell CD clock change is
    applied before the patch for Haswell CD clock change
v7: Fix for patch style problems

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

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