From: Laurent Pinchart Date: Tue, 13 Jan 2015 07:14:53 +0000 (+0200) Subject: drm: omapdrm: Fix race condition between GO and vblank IRQ X-Git-Tag: omap-for-v4.2/o2_dc~72^2~15^2~29 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5dbe44336811a7e8ef4c958c6ac054772ee47637;p=pandora-kernel.git drm: omapdrm: Fix race condition between GO and vblank IRQ The vblank interrupt is used by the driver as a completion signal when applying new settings. A race condition exist between enabling the vblank interrupt and applying new settings to the hardware by setting the GO bit. If a vblank interrupt occurs in-between, the driver will incorrectly consider the new settings to be applied. Fix this by enabling the interrupt after setting the GO bit. Signed-off-by: Laurent Pinchart --- Reading git-diff-tree failed