linux-kernel - [4.5-rc regression] drm radeon Tahiti

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Message-ID: <56C5BEC7.9070606@gmail.com>
Date:	Thu, 18 Feb 2016 07:53:27 -0500
From:	Woody Suwalski <terraluna977@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	"Deucher, Alexander" <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>
Subject: [4.5-rc regression] drm radeon Tahiti_vce fails to load

Alex, the 4.5-rc 32-bit kernels seem to have a problem initializing VCE.
The drm.debug boot option does not show more info as to what the problem 
is.
On 4.4 (tested with 4.4.1 and 4.4.2) kernels it is loading OK.

I have confirmed the regression on 4.5-rc2 and 4.5-rc4 kernels.

Thanks, Woody

View attachment "dmesg_4.4.2.txt" of type "text/plain" (57717 bytes)

View attachment "dmesg_4.5rc4.drmdebug.txt" of type "text/plain" (123869 bytes)