linux-kernel - Re: Bisected regression 4.0.0-rc1 No image with RADEON

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Date:	Tue, 24 Feb 2015 16:39:28 +0100
From:	Jim Bos <jim876@...all.nl>
To:	"Deucher, Alexander" <Alexander.Deucher@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"Grigorev, Slava" <Slava.Grigorev@....com>
Subject: Re: Bisected regression 4.0.0-rc1 No image with RADEON

On 02/23/2015 10:31 PM, Deucher, Alexander wrote:
>> -----Original Message-----
>> From: Jim Bos [mailto:jim876@...all.nl]
>> Sent: Monday, February 23, 2015 4:08 PM
>> To: linux-kernel@...r.kernel.org
>> Cc: Deucher, Alexander
>> Subject: Bisected regression 4.0.0-rc1 No image with RADEON
>>
>>
>> Hello,
>>
>> Booting 4.0-rc1 gives me black screen with monitor displaying an OSD
>> message that input signal is not supported.
>>
>> Video card is ATI Radeon HD 5670,  monitor 1920x1200 Dell U2412M
>> connected via DisplayPort.
>>
>> Git bisect gives this
>>
>> ----------------
>> $ git bisect good
>> e55bca26188e45f209597abf986c87cc5a49894a is the first bad commit
>> commit e55bca26188e45f209597abf986c87cc5a49894a
>> Author: Slava Grigorev <slava.grigorev@....com>
>> Date:   Fri Dec 12 17:01:42 2014 -0500
>>
>>     radeon/audio: enable DP audio
>>
>>     Reviewed-by: Christian König <christian.koenig@....com>
>>     Signed-off-by: Slava Grigorev <slava.grigorev@....com>
>>     Signed-off-by: Alex Deucher <alexander.deucher@....com>
>>
>> :040000 040000 25da4481f28d249ec827fe72c0b14c0a50265887
>> 2eb7eb3728a5b811b0f954cbce486841c90ef938 M      drivers
>> --------------------
>>
>> Comparing dmesg with bad/good kernel doesn't show any interesting
>> differences.
>>
>> I've firmware build into the kernel
>>
>> $ grep EXTRA_FIRMWARE .config
>> CONFIG_EXTRA_FIRMWARE="radeon/REDWOOD_me.bin
>> radeon/REDWOOD_pfp.bin
>> radeon/REDWOOD_rlc.bin radeon/REDWOOD_smc.bin
>> radeon/CYPRESS_uvd.bin"
>> CONFIG_EXTRA_FIRMWARE_DIR="firmware"
>>
>> Any ideas ?
> 
> Can you attach your xorg log and dmesg output?
> 
> Alex
> 

Didn't even make it to xorg, as soon as console switched to radeondrmfb
monitor already complained.

Jim
> 
>>
>> Thanks,
>>
>>  Jim
>>
>> ***********************
>> $ git bisect log
>> git bisect start
>> # bad: [c517d838eb7d07bbe9507871fab3931deccff539] Linux 4.0-rc1
>> git bisect bad c517d838eb7d07bbe9507871fab3931deccff539
>> # good: [bfa76d49576599a4b9f9b7a71f23d73d6dcff735] Linux 3.19
>> git bisect good bfa76d49576599a4b9f9b7a71f23d73d6dcff735
>> # good: [02f1f2170d2831b3233e91091c60a66622f29e82] kernel.h: remove
>> ancient __FUNCTION__ hack
>> git bisect good 02f1f2170d2831b3233e91091c60a66622f29e82
>> # bad: [796e1c55717e9a6ff5c81b12289ffa1ffd919b6f] Merge branch
>> 'drm-next' of git://people.freedesktop.org/~airlied/linux
>> git bisect bad 796e1c55717e9a6ff5c81b12289ffa1ffd919b6f
>> # good: [9682ec9692e5ac11c6caebd079324e727b19e7ce] Merge tag
>> 'driver-core-3.20-rc1' of
>> git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
>> git bisect good 9682ec9692e5ac11c6caebd079324e727b19e7ce
>> # good: [a9724125ad014decf008d782e60447c811391326] Merge tag
>> 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
>> git bisect good a9724125ad014decf008d782e60447c811391326
>> # good: [f43dff0ee00a259f524ce17ba4f8030553c66590] Merge tag
>> 'drm-amdkfd-next-fixes-2015-01-25' of
>> git://people.freedesktop.org/~gabbayo/linux into drm-next
>> git bisect good f43dff0ee00a259f524ce17ba4f8030553c66590
>> # bad: [cffe1e89dc9bf541a39d9287ced7c5addff07084] drm: sti: HDMI add
>> audio infoframe
>> git bisect bad cffe1e89dc9bf541a39d9287ced7c5addff07084
>> # bad: [2f5b4ef15c60bc5292a3f006c018acb3da53737b] Merge tag
>> 'drm/tegra/for-3.20-rc1' of git://anongit.freedesktop.org/tegra/linux
>> into drm-next
>> git bisect bad 2f5b4ef15c60bc5292a3f006c018acb3da53737b
>> # bad: [cc0cc1aa279067207085b75a674453e021879801] Merge branch
>> 'drm-next-3.20' of git://people.freedesktop.org/~agd5f/linux into drm-next
>> git bisect bad cc0cc1aa279067207085b75a674453e021879801
>> # good: [8ffea8570d5a7e9dd3c10349ebc3bd79487ae30b] radeon/audio:
>> removed
>> unnecessary CRC control programing
>> git bisect good 8ffea8570d5a7e9dd3c10349ebc3bd79487ae30b
>> # good: [eb88e422c502a7a1628cc919020e2ebf59450d4d] drm/exynos:
>> remove
>> drm_dev from struct exynos_drm_manager
>> git bisect good eb88e422c502a7a1628cc919020e2ebf59450d4d
>> # bad: [f4c6c08182b3f648b788422f27926f097759b0eb] drm/radeon:
>> whitespace
>> clean up in radeon_audio.c
>> git bisect bad f4c6c08182b3f648b788422f27926f097759b0eb
>> # good: [7f604077ac9cacb9a6b04b977e2cd1f26cb3f667] radeon/audio:
>> removed
>> unnecessary debug settings
>> git bisect good 7f604077ac9cacb9a6b04b977e2cd1f26cb3f667
>> # good: [6f945693be7eea24b1a8e5ce252a96df98d55a5c] radeon/audio:
>> applied
>> audio_dpms() and audio_mode_set() calls
>> git bisect good 6f945693be7eea24b1a8e5ce252a96df98d55a5c
>> # bad: [e55bca26188e45f209597abf986c87cc5a49894a] radeon/audio: enable
>> DP audio
>> git bisect bad e55bca26188e45f209597abf986c87cc5a49894a
>> # good: [ccd4be7eb7ef2aac076b604c716f36aa926651e3] radeon/audio:
>> moved
>> audio caps programming to audio_hotplug() function
>> git bisect good ccd4be7eb7ef2aac076b604c716f36aa926651e3
>> # first bad commit: [e55bca26188e45f209597abf986c87cc5a49894a]
>> radeon/audio: enable DP audio

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