From: Marek Olšák <maraeo@gmail.com>
Date: Thu, 9 Aug 2012 14:34:17 +0000 (+0200)
Subject: drm/radeon/kms: implement timestamp userspace query (v2)
X-Git-Tag: v3.6-rc2~12^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6759a0a7a0496dbbd4fb062c6a76d61c55d0fbd9;p=pandora-kernel.git

drm/radeon/kms: implement timestamp userspace query (v2)

Returns a snapshot of the GPU clock counter.  Needed
for certain OpenGL extensions.

v2: agd5f
- address Jerome's comments
- add function documentation

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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