linux-kernel - [PROBLEM] i915/drm: Insufficient FIFO for plane

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Date:	Sun, 22 Aug 2010 18:26:19 +0300 (EEST)
From:	Pekka Enberg <penberg@...nel.org>
To:	David Airlie <airlied@...ux.ie>, Eric Anholt <eric@...olt.net>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Zhenyu Wang <zhenyuw@...ux.intel.com>,
	Zhao Yakui <yakui.zhao@...el.com>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PROBLEM] i915/drm: Insufficient FIFO for plane

Hi,

I'm seeing tons of these error messages with current Linus' git:

[   95.941618] [drm:intel_calculate_wm] *ERROR* Insufficient FIFO for 
plane, expect flickering: entries required = 36, available = 31.

Contrary to the error message, I don't see any flickering. I've attached 
my dmesg and config.

 			Pekka
View attachment "dmesg" of type "TEXT/PLAIN" (55156 bytes)

View attachment "config" of type "TEXT/PLAIN" (84113 bytes)