From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 24 Dec 2014 16:13:40 +0000 (-0800)
Subject: drm/i915: Add ioctl to set per-context parameters
X-Git-Tag: fixes-v4.0-rc1~91^2~32^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c9dc0f35986c0e2fc81e0b71ddc7e3adad733829;p=pandora-kernel.git

drm/i915: Add ioctl to set per-context parameters

Sometimes we wish to tweak how an individual context behaves. Since we
always create a context for every filp, this means that individual
processes can fine tune their behaviour even if they do not explicitly
create a context.

The first example parameter here is to enable multi-process GPU testing,
but the interface should be able to cope with passing arbitrarily complex
parameters.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Testcase: igt/gem_reset_stats/ban-period-*
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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