From: Ben Skeggs Date: Mon, 25 Jul 2011 10:26:19 +0000 (+1000) Subject: drm/nouveau: workaround semaphore hw bug causing unnecessary interrupts X-Git-Tag: v3.2-rc1~135^2~58^2~33 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91a8f1ea4bd98a7de888f7d56e28b72cc0c63ca1;p=pandora-kernel.git drm/nouveau: workaround semaphore hw bug causing unnecessary interrupts The HW will only accept the DMA_FROM_MEMORY class for DMA_SEMAPHORE without asking the driver to intervene. It appears that semaphores will work correctly even without DMA_IN_MEMORY, so lets avoid the large amount of interrupts generated by x-chan sync. Signed-off-by: Ben Skeggs --- Reading git-diff-tree failed