From: Christian König <christian.koenig@amd.com>
Date: Tue, 3 Jun 2014 22:13:21 +0000 (-0400)
Subject: drm/radeon: rework page flip handling v4
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa7f517cb26eb1a1a1f0baffcced39f6c3ec3337;p=pandora-kernel.git

drm/radeon: rework page flip handling v4

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
v4: update crtc->primary->fb when the flip actually happens

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

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