RE: Bisected regression 4.0.0-rc1 No image with RADEON

[Deucher, Alexander]

> -----Original Message-----
> From: Jim Bos [mailto:jim876@xxxxxxxxx]
> Sent: Monday, February 23, 2015 4:08 PM
> To: linux-kernel@xxxxxxxxxxxxxxx
> 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@xxxxxxx>
> Date:   Fri Dec 12 17:01:42 2014 -0500
> 
>     radeon/audio: enable DP audio
> 
>     Reviewed-by: Christian KÃnig <christian.koenig@xxxxxxx>
>     Signed-off-by: Slava Grigorev <slava.grigorev@xxxxxxx>
>     Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> 
> :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


> 
> 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