From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 24 Oct 2014 11:11:11 +0000 (+0100)
Subject: drm/i915: Report the actual swizzling back to userspace
X-Git-Tag: omap-for-v3.19/fixes-rc1~80^2~64^2~47
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70f2f5c70440feff01d9ba7c8b4432eb72bd69eb;p=pandora-kernel.git

drm/i915: Report the actual swizzling back to userspace

Userspace cares about whether or not swizzling depends on the page
address for its direct access into bound objects. Extend the get_tiling
ioctl to report the physical swizzling value in addition to the logical
swizzling value so that userspace can accurately determine when it is
possible for manual detiling.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Akash Goel <akash.goel@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Testcase: igt/gem_tiled_wc
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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