From: Tvrtko Ursulin Date: Fri, 16 Mar 2012 16:22:11 +0000 (-0400) Subject: drm/radeon/kms: reduce probe latency on digital connectors X-Git-Tag: v3.4-rc1~143^2~22 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11fe1266253a96c4d4ac9c07918372a98248c62e;p=pandora-kernel.git drm/radeon/kms: reduce probe latency on digital connectors On a system with one HDMI and one VGA connector the latter causes output polling to run every ten seconds. This causes full EDID re-fetch on every poll and approx. 100ms rendering stalls are experienced by full screen page-flipping applications. Optimisation is to trust HPD sense on R600+ ASICs and to skip doing these expensive probes unless HPD sense has changed. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=47007 agd5f: fix patch and message formatting. Signed-off-by: Tvrtko Ursulin Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- Reading git-diff-tree failed