From: Christian König <christian.koenig@amd.com>
Date: Tue, 27 May 2014 14:49:22 +0000 (+0200)
Subject: drm/radeon: rework page flip handling v3
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~37^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1aab5514ca9604e0263f658a067da0189c86a35b;p=pandora-kernel.git

drm/radeon: rework page flip handling v3

Instead of trying to flip inside the vblank period when
the buffer is idle, offload blocking for idle to a kernel
thread and program the flip directly into the hardware.

v2: add error handling, fix EBUSY handling
v3: add proper exclusive_lock handling

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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