From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Thu, 5 Mar 2015 19:19:47 +0000 (+0200)
Subject: drm/i915: Read out display FIFO size on VLV/CHV
X-Git-Tag: omap-for-v4.2/o2_dc~72^2~24^2~56
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b500472026e40ef2a4827a5973dc5424c98ede92;p=pandora-kernel.git

drm/i915: Read out display FIFO size on VLV/CHV

VLV/CHV have similar DSPARB registers as older platforms, just more of
them due to more planes. Add a bit of code to read out the current FIFO
split from the registers. Will be useful later when we improve the WM
calculations.

v2: Add display_mmio_offset to DSPARB

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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