From: Daniel Vetter Date: Wed, 11 Apr 2012 18:42:38 +0000 (+0200) Subject: drm/i915: implement a media hang w/a X-Git-Tag: v3.5-rc1~83^2~81^2~42 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de4a8bd16205283e9cb746e8fbfa7f9735c039b5;p=pandora-kernel.git drm/i915: implement a media hang w/a Contrary to the other clock gating w/a in GEN6_UCGCTL1, this one is actually documented in Bspec, vol1g "GT Interface Registers [SNB]", Section 1.5.1 "UCGCTL1 - Unit Level Clock Gating Control 1". Supposedly this can prevent hangs on the media ring. Reviewed-by: Ben Widawsky Signed-Off-by: Daniel Vetter --- Reading git-diff-tree failed