From: Martin Peres Date: Sun, 2 Sep 2012 01:20:45 +0000 (+0200) Subject: drm/nouveau/fan: rewrite the fan tachometer driver to get more precision, faster X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~20^2^2~10 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf6546b4219d2b188529f3242efda4048f5b1b41;p=pandora-kernel.git drm/nouveau/fan: rewrite the fan tachometer driver to get more precision, faster The previous driver waited for 250ms to accumulate data. This version times a complete fan rotation and extrapolates to RPM. The fan rotational speed should now be read in less than 250ms (worst case) and usually in less 50ms. Signed-off-by: Martin Peres Reviewed-by: Ben Skeggs Signed-off-by: Ben Skeggs --- Reading git-diff-tree failed