From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Tue, 26 May 2015 17:22:40 +0000 (+0300)
Subject: drm/i915: Bump CHV PFI credits to 63 when cdclk>=czclk
X-Git-Tag: omap-for-v4.3/fixes-rc1~89^2~36^2~293
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fcc0008fd02330f1c539a8dd831b00ca9b998cd8;p=pandora-kernel.git

drm/i915: Bump CHV PFI credits to 63 when cdclk>=czclk

Switch from using 31 PFI credits to 63 PFI credits when cdclk>=czclk on
CHV. The spec lists both 31 and 63 as "suggested" values, but based on
feedback from hardware folks we should actually be using 63. Originally
I picked the 31 basically by flipping a coin.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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