[Bug 15030] screen connected to displayport is not detected - kms radeon

[Bug 15030] screen connected to displayport is not detected - kms radeon

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=15030


Nicolas Reinecke <pl4nkton@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|2.6.33-rc6                  |2.6.34-rc3




--- Comment #15 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-04-09 10:57:29 ---
DP still not working with KMS.

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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--- Comment #16 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-04-09 12:11:26 ---
Created an attachment (id=25928)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=25928)
DP screen not detected, drm.debug, second screen on dvi-d found

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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https://bugzilla.kernel.org/show_bug.cgi?id=15030


Nicolas Reinecke <pl4nkton@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|2.6.34-rc3                  |2.6.36-rc8+




--- Comment #17 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-10-17 16:41:16 ---
DP still not working with KMS.

The UMS driver uses this i2c commands:
...
[   573.709] RADEONDPEncoderService: 1 19
[   573.709] (II) RADEON(0): I2C device "DisplayPort-0-DP:ddc2" registered at
address 0xA0.
[   573.710] get auxch 0030 40 30 i2c addr:0x92 status:00
[   573.710] get auxch 0030 00 30 i2c addr:0x92 status:00
[   573.711] (II) RADEON(0): I2C device "DisplayPort-0-DP:E-EDID segment
register" registered at address 0x60.
[   573.711] get auxch 0031 40 30 i2c addr:0x92 status:00
[   573.712] get auxch 0031 00 30 i2c addr:0x92 status:00
[   573.712] (II) RADEON(0): I2C device "DisplayPort-0-DP:EDID EEPROM
interface" registered at address 0x62.
[   573.713] get auxch 0037 40 30 i2c addr:0x92 status:00
[   573.714] get auxch 0037 00 30 i2c addr:0x92 status:00
[   573.714] (II) RADEON(0): I2C device "DisplayPort-0-DP:DDC control
interface" registered at address 0x6E.
[   573.715] get auxch 0050 40 30 i2c addr:0x92 status:00
[   573.715] get auxch 0050 40 50 i2c addr:0x92 status:00
[   573.716] get auxch 0050 50 30 i2c addr:0x92 status:00
[   573.717] get auxch 0050 50 40 i2c addr:0x92 status:00
...
[   573.805] get auxch 0050 50 40 i2c addr:0x92 status:00
[   573.806] get auxch 0050 10 30 i2c addr:0x92 status:00
[   573.808] RADEONDPEncoderService: 1 19
[   573.809] get auxch 0000 90 47 i2c addr:0x92 status:00
[   573.809] get auxch 0100 90 41 i2c addr:0x92 status:00
[   573.809] (II) RADEON(0): EDID for output DisplayPort-0
...

the kms does something different and fail to detect a device

Oct 17 17:14:57 desktop kernel: [    9.448391] [drm] ring test succeeded in 1
usecs
Oct 17 17:14:57 desktop kernel: [    9.448515] [drm] radeon: ib pool ready.
Oct 17 17:14:57 desktop kernel: [    9.448588] [drm] ib test succeeded in 0
usecs
Oct 17 17:14:57 desktop kernel: [    9.448590] [drm] Enabling audio support
Oct 17 17:14:57 desktop kernel: [    9.448597] failed to evaluate ATIF got
AE_BAD_PARAMETER
Oct 17 17:14:57 desktop kernel: [    9.449237] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.449735] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.450245] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.451272] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.452580] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.453084] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.453577] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.454070] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.454562] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.455055] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.455547] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:40 len:30 0x92 40
Oct 17 17:14:57 desktop kernel: [    9.455551] [drm:radeon_process_aux_ch],
failed to get auxch 0000 40 30 0x92 40 after 11 retries
Oct 17 17:14:57 desktop kernel: [    9.455953] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:00 len:30 0x92 00
Oct 17 17:14:57 desktop kernel: [    9.456021]
[drm:radeon_atombios_get_tv_info], Default TV standard: PAL
Oct 17 17:14:57 desktop kernel: [    9.456058]
[drm:radeon_atombios_get_tv_info], Default TV standard: PAL
Oct 17 17:14:57 desktop kernel: [    9.456094] [drm] Radeon Display Connectors
Oct 17 17:14:57 desktop kernel: [    9.456096] [drm] Connector 0:
Oct 17 17:14:57 desktop kernel: [    9.456098] [drm]   HDMI-A
Oct 17 17:14:57 desktop kernel: [    9.456100] [drm]   HPD1
Oct 17 17:14:57 desktop kernel: [    9.456103] [drm]   DDC: 0x7e40 0x7e40
0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
Oct 17 17:14:57 desktop kernel: [    9.456105] [drm]   Encoders:
Oct 17 17:14:57 desktop kernel: [    9.456107] [drm]     DFP1: INTERNAL_UNIPHY
Oct 17 17:14:57 desktop kernel: [    9.456109] [drm] Connector 1:
Oct 17 17:14:57 desktop kernel: [    9.456111] [drm]   DisplayPort
Oct 17 17:14:57 desktop kernel: [    9.456112] [drm]   HPD3
Oct 17 17:14:57 desktop kernel: [    9.456115] [drm]   DDC: 0x7e60 0x7e60
0x7e64 0x7e64 0x7e68 0x7e68 0x7e6c 0x7e6c
Oct 17 17:14:57 desktop kernel: [    9.456117] [drm]   Encoders:
Oct 17 17:14:57 desktop kernel: [    9.456119] [drm]     DFP2: INTERNAL_UNIPHY
Oct 17 17:14:57 desktop kernel: [    9.456121] [drm] Connector 2:
Oct 17 17:14:57 desktop kernel: [    9.456122] [drm]   DVI-I
Oct 17 17:14:57 desktop kernel: [    9.456124] [drm]   HPD2
Oct 17 17:14:57 desktop kernel: [    9.456127] [drm]   DDC: 0x7e20 0x7e20
0x7e24 0x7e24 0x7e28 0x7e28 0x7e2c 0x7e2c
Oct 17 17:14:57 desktop kernel: [    9.456129] [drm]   Encoders:
Oct 17 17:14:57 desktop kernel: [    9.456131] [drm]     CRT1:
INTERNAL_KLDSCP_DAC1
Oct 17 17:14:57 desktop kernel: [    9.456133] [drm]     DFP3:
INTERNAL_KLDSCP_LVTMA
Oct 17 17:14:57 desktop kernel: [    9.456135] [drm] Connector 3:
Oct 17 17:14:57 desktop kernel: [    9.456136] [drm]   VGA
Oct 17 17:14:57 desktop kernel: [    9.456139] [drm]   DDC: 0x7e50 0x7e50
0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
Oct 17 17:14:57 desktop kernel: [    9.456141] [drm]   Encoders:
Oct 17 17:14:57 desktop kernel: [    9.456143] [drm]     CRT2:
INTERNAL_KLDSCP_DAC2
Oct 17 17:14:57 desktop kernel: [    9.745923] [drm] Internal thermal
controller with fan control
Oct 17 17:14:57 desktop kernel: [    9.745970] [drm] radeon: power management
initialized
Oct 17 17:14:57 desktop kernel: [    9.745976] [drm:radeon_atom_encoder_dpms],
encoder dpms 30 to mode 3, devices 00000008, active_devices 00000000
Oct 17 17:14:57 desktop kernel: [    9.745982] [drm:radeon_atom_encoder_dpms],
encoder dpms 30 to mode 3, devices 00000080, active_devices 00000000
Oct 17 17:14:57 desktop kernel: [    9.745986] [drm:radeon_atom_encoder_dpms],
encoder dpms 21 to mode 3, devices 00000001, active_devices 00000000
Oct 17 17:14:57 desktop kernel: [    9.745994] [drm:radeon_atom_encoder_dpms],
encoder dpms 31 to mode 3, devices 00000200, active_devices 00000000
Oct 17 17:14:57 desktop kernel: [    9.745998] [drm:radeon_atom_encoder_dpms],
encoder dpms 22 to mode 3, devices 00000010, active_devices 00000000
Oct 17 17:14:57 desktop kernel: [    9.767231]
[drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:HDMI Type A-1]
Oct 17 17:14:57 desktop kernel: [    9.769239]
[drm:radeon_atombios_connected_scratch_regs], DFP1 disconnected
Oct 17 17:14:57 desktop kernel: [    9.769242]
[drm:drm_helper_probe_single_connector_modes], [CONNECTOR:11:HDMI Type A-1]
disconnected
Oct 17 17:14:57 desktop kernel: [    9.769245]
[drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:DisplayPort-1]
Oct 17 17:14:57 desktop kernel: [    9.770083] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770146] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770208] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770270] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770333] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770397] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770463] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770526] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770588] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770651] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770713] [drm:radeon_process_aux_ch], get
auxch addr:0000 i2ccmd:90 len:47 0x92 02
Oct 17 17:14:57 desktop kernel: [    9.770716] [drm:radeon_process_aux_ch],
failed to get auxch 0000 90 47 0x92 02 after 11 retries
Oct 17 17:14:57 desktop kernel: [    9.770722]
[drm:radeon_atombios_connected_scratch_regs], DFP2 disconnected
Oct 17 17:14:57 desktop kernel: [    9.770724]
[drm:drm_helper_probe_single_connector_modes], [CONNECTOR:13:DisplayPort-1]
disconnected
Oct 17 17:14:57 desktop kernel: [    9.770727]
[drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:DVI-I-1]
Oct 17 17:14:57 desktop kernel: [    9.826374]
[drm:radeon_atombios_connected_scratch_regs], CRT1 disconnected
Oct 17 17:14:57 desktop kernel: [    9.826378]
[drm:radeon_atombios_connected_scratch_regs], DFP3 connected
Oct 17 17:14:57 desktop kernel: [    9.826396]
[drm:drm_helper_probe_single_connector_modes], [CONNECTOR:15:DVI-I-1] probed
modes :
Oct 17 17:14:57 desktop kernel: [    9.826399]
[drm:drm_mode_debug_printmodeline], Modeline 20:"1920x1200" 60 154000 1920 1968
2000 2080 1200 1203 1209 1235 0x48 0x9
Oct 17 17:14:57 desktop kernel: [    9.826404]
[drm:drm_mode_debug_printmodeline], Modeline 21:"1600x1200" 60 162000 1600 1664
1856 2160 1200 1201 1204 1250 0x40 0x5
Oct 17 17:14:57 desktop kernel: [    9.826408]
[drm:drm_mode_debug_printmodeline], Modeline 24:"1680x1050" 60 146250 1680 1784
1960 2240 1050 1053 1059 1089 0x40 0x6
Oct 17 17:14:57 desktop kernel: [    9.826412]
[drm:drm_mode_debug_printmodeline], Modeline 22:"1280x1024" 60 108000 1280 1328
1440 1688 1024 1025 1028 1066 0x40 0x5
Oct 17 17:14:57 desktop kernel: [    9.826417]
[drm:drm_mode_debug_printmodeline], Modeline 23:"1280x960" 60 108000 1280 1376
1488 1800 960 961 964 1000 0x40 0x5
Oct 17 17:14:57 desktop kernel: [    9.826421]
[drm:drm_mode_debug_printmodeline], Modeline 28:"1024x768" 60 65000 1024 1048
1184 1344 768 771 777 806 0x40 0xa
Oct 17 17:14:57 desktop kernel: [    9.826425]
[drm:drm_mode_debug_printmodeline], Modeline 25:"800x600" 60 40000 800 840 968
1056 600 601 605 628 0x40 0x5
Oct 17 17:14:57 desktop kernel: [    9.826430]
[drm:drm_mode_debug_printmodeline], Modeline 26:"640x480" 60 25200 640 656 752
800 480 490 492 525 0x40 0xa
Oct 17 17:14:57 desktop kernel: [    9.826434]
[drm:drm_mode_debug_printmodeline], Modeline 27:"720x400" 70 28320 720 738 846
900 400 412 414 449 0x40 0x6
Oct 17 17:14:57 desktop kernel: [    9.826438]
[drm:drm_helper_probe_single_connector_modes], [CONNECTOR:18:VGA-1]
Oct 17 17:14:57 desktop kernel: [    9.830327] [drm:radeon_atom_dac_detect],
Bios 0 scratch 200000 00000010
Oct 17 17:14:57 desktop kernel: [    9.830332]
[drm:radeon_atombios_connected_scratch_regs], CRT2 disconnected
Oct 17 17:14:57 desktop kernel: [    9.830334]
[drm:drm_helper_probe_single_connector_modes], [CONNECTOR:18:VGA-1]
disconnected
Oct 17 17:14:57 desktop kernel: [    9.830337] [drm:drm_setup_crtcs], 
Oct 17 17:14:57 desktop kernel: [    9.830339] [drm:drm_enable_connectors],
connector 11 enabled? no
Oct 17 17:14:57 desktop kernel: [    9.830341] [drm:drm_enable_connectors],
connector 13 enabled? no
Oct 17 17:14:57 desktop kernel: [    9.830343] [drm:drm_enable_connectors],
connector 15 enabled? yes
Oct 17 17:14:57 desktop kernel: [    9.830346] [drm:drm_enable_connectors],
connector 18 enabled? no
Oct 17 17:14:57 desktop kernel: [    9.830348] [drm:drm_target_preferred],
looking for cmdline mode on connector 15
Oct 17 17:14:57 desktop kernel: [    9.830350] [drm:drm_target_preferred],
looking for preferred mode on connector 15
Oct 17 17:14:57 desktop kernel: [    9.830353] [drm:drm_target_preferred],
found mode 1920x1200
Oct 17 17:14:57 desktop kernel: [    9.830355] [drm:drm_setup_crtcs], picking
CRTCs for 8192x8192 config
Oct 17 17:14:57 desktop kernel: [    9.830358] [drm:drm_setup_crtcs], desired
mode 1920x1200 set on crtc 8
Oct 17 17:14:57 desktop kernel: [    9.834454] [drm] fb mappable at 0xD0142000
Oct 17 17:14:57 desktop kernel: [    9.834455] [drm] vram apper at 0xD0000000
Oct 17 17:14:57 desktop kernel: [    9.834456] [drm] size 9216000
Oct 17 17:14:57 desktop kernel: [    9.834458] [drm] fb depth is 24
Oct 17 17:14:57 desktop kernel: [    9.834459] [drm]    pitch is 7680
Oct 17 17:14:57 desktop kernel: [    9.834514] fb0: radeondrmfb frame buffer
device
Oct 17 17:14:57 desktop kernel: [    9.834515] drm: registered panic notifier
Oct 17 17:14:57 desktop kernel: [    9.834521] [drm] Initialized radeon 2.6.0
20080528 for 0000:01:00.0 on minor 0



I made a pach as recommended by Alex Deucher here:
http://www.mail-archive.com/dri-devel@lists.sourceforge.net/msg47317.html to
fix the retry loop.
Also every get auxch is printed (not in the patches).

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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--- Comment #18 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-10-17 16:43:50 ---
Created an attachment (id=33852)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=33852)
xf86-video-ati patch

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--- Comment #19 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-10-17 16:45:29 ---
Created an attachment (id=33862)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=33862)
drm radeon patch

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--- Comment #20 from Alex Deucher <alexdeucher@gmail.com>  2010-10-17 19:19:26 ---
(In reply to comment #17)
> 
> I made a pach as recommended by Alex Deucher here:
> http://www.mail-archive.com/dri-devel@lists.sourceforge.net/msg47317.html to
> fix the retry loop.
> Also every get auxch is printed (not in the patches).

Does the patch help?

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--- Comment #21 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-10-17 22:16:59 ---
No. It fails as seen in the logs above.

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Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |alan@lxorguk.ukuu.org.uk
         Resolution|                            |OBSOLETE




--- Comment #22 from Alan <alan@lxorguk.ukuu.org.uk>  2012-06-27 12:55:01 ---
Closing as obsolete, if this is still seen with 3.2+ please update the bug

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--- Comment #14 from Dave Airlie <airlied@linux.ie>  2010-02-13 07:36:30 ---
thats a merge commit 

It affects radeon displayport

f28cf33945cc112f8ee835512b7440905dc29ad2
43c33ed87d0f1b900a6a3014db556ecc7f4a989b
97b94ccb9aa1b82ed7a9a045d0ae5b32c99b84a0

are all radeon DP commits to fix it.

I don't see any wireless stuff touched in that merge.

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Pete Zaitcev <zaitcev@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |zaitcev@yahoo.com




--- Comment #13 from Pete Zaitcev <zaitcev@yahoo.com>  2010-02-13 07:08:47 ---
I don't understand how why 9ce929078af868ce5f5b0b3537184dad642fba43
affects the DP. I can see the changelog entry, but there does not seem
to be any code in it that actually did it. Also, the wireless changes in it
are strangely... unrelated. Can anyone point me to the function name
with the change?

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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--- Comment #12 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-02-02 17:31:27 ---
Created an attachment (id=24878)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24878)
DP works

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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--- Comment #11 from Alex Deucher <alexdeucher@gmail.com>  2010-02-02 17:31:01 ---
The fix for KMS DP went in after rc6:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=9ce929078af868ce5f5b0b3537184dad642fba43

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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--- Comment #10 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-02-02 17:30:31 ---
Created an attachment (id=24877)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24877)
DP fail - connect to running system

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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Nicolas Reinecke <pl4nkton@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|2.6.33-rc4                  |2.6.33-rc6




--- Comment #9 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-02-02 17:25:04 ---
With the latest xf86-video-ati git version DP works if the screen was connected
at boot. When I connect it at runtime false modes are detected and I can't
enable the DP screen. KMS still refuses to detect it.

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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http://bugzilla.kernel.org/show_bug.cgi?id=15030





--- Comment #8 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-01-24 17:41:25 ---
I tried latest DDX and drm-2.6 radeon-testing. The screen still get no signal.

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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--- Comment #7 from Alex Deucher <alexdeucher@gmail.com>  2010-01-22 00:39:24 ---
Does this work any better with the latest atom parser updates in
drm-radeon-testing:
http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=shortlog;h=refs/heads/drm-radeon-testing

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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Nicolas Reinecke <pl4nkton@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Platform|All                         |x86-64




--- Comment #6 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-01-18 17:27:26 ---
The graphics card is a "Gainward Golden Sample 1024M 256Bit CRT DVI HDMI DP"
with a custom pcb layout. Maybe they wired the DP differently. When I'm using
Win7 + ATI driver, DP works as good as the DVI-D connection.

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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http://bugzilla.kernel.org/show_bug.cgi?id=15030





--- Comment #5 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-01-18 16:54:20 ---
Created an attachment (id=24622)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24622)
video bios

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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http://bugzilla.kernel.org/show_bug.cgi?id=15030


Nicolas Reinecke <pl4nkton@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|2.6.33-rc3                  |2.6.33-rc4
                   |2c1f1895ef2aa8f0e5497893eff |
                   |71304aef332e1               |




--- Comment #4 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-01-14 02:02:47 ---
It is a straight displayport connection.

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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Dave Airlie <airlied@linux.ie> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |airlied@linux.ie




--- Comment #3 from Dave Airlie <airlied@linux.ie>  2010-01-14 01:51:27 ---
Are you using straight displayport or a displayport->DVI convertor?

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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http://bugzilla.kernel.org/show_bug.cgi?id=15030





--- Comment #2 from Nicolas Reinecke <pl4nkton@googlemail.com>  2010-01-13 21:00:37 ---
I now use kernel 2.6.33-rc4, before it was 2.6.33-rc3.
[    0.000000] Linux version 2.6.33-rc4-desktop32 (root@desktop) (gcc version
4.4.3 20100108 (prerelease) (Ubuntu 4.4.2-9ubuntu3) ) #1 SMP Wed Jan 13
15:28:02 CET 2010
The screen gets a video signal until drm take over control form the bios and
switch to standby.
I was wrong to report non kms as operational. No sign of DP link in xrandr,
Xorg log or dmesg.

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[Bug 15030] screen connected to displayport is not detected - kms radeon

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Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com




--- Comment #1 from Alex Deucher <alexdeucher@gmail.com>  2010-01-11 14:24:10 ---
What kernel are you using?  You may be using an older drm without DP support.

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