From: Michel Dänzer <michel.daenzer@amd.com>
Date: Mon, 30 Jun 2014 09:12:34 +0000 (+0900)
Subject: drm/radeon: Track the status of a page flip more explicitly
X-Git-Tag: omap-for-v3.16/fixes-rc4~28^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2b6d3b33b6a255a271fb120cdc37c6757cdd2be;p=pandora-kernel.git

drm/radeon: Track the status of a page flip more explicitly

This prevents a panic: radeon_crtc_handle_page_flip() could run before
radeon_flip_work_func(), triggering the BUG_ON() in drm_vblank_put().

Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

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