Re: [PATCH] drm/radeon: Fix Asus M2A-VM HDMI EDID error flooding problem

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Here are the kernel logs with and without the patch for better
visualisation of the changes:

1. dmesg after applying the patch:

[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.0-3-generic (root@Mark-Aurel) (gcc
version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu4) ) #5 SMP Wed Jul 6 01:54:25
CEST 2011 (Ubuntu 3.0-3.5-generic 3.0.0-rc5)
...
[    6.980082] [drm] Initialized drm 1.1.0 20060810
[    8.353140] [drm] radeon defaulting to kernel modesetting.
[    8.353147] [drm] radeon kernel modesetting enabled.
[    8.423983] radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) ->
IRQ 18
[    8.424296] [drm] initializing kernel modesetting (RS690
0x1002:0x791E 0x1043:0x826D).
[    8.424323] [drm] register mmio base: 0xFDCF0000
[    8.424326] [drm] register mmio size: 65536
[    8.424667] ATOM BIOS: ATI
[    8.424697] radeon 0000:01:05.0: VRAM: 128M 0x0000000038000000 -
0x000000003FFFFFFF (128M used)
[    8.424702] radeon 0000:01:05.0: GTT: 512M 0x0000000040000000 -
0x000000005FFFFFFF
[    8.424722] [drm] Supports vblank timestamp caching Rev 1
(10.10.2010).
[    8.424724] [drm] Driver supports precise vblank timestamp query.
[    8.424738] [drm] radeon: irq initialized.
[    8.424833] [drm] Detected VRAM RAM=128M, BAR=128M
[    8.424839] [drm] RAM width 128bits DDR
[    8.429082] [TTM] Zone  kernel: Available graphics memory: 412360
kiB.
[    8.429087] [TTM] Initializing pool allocator.
[    8.429119] [drm] radeon: 128M of VRAM memory ready
[    8.429121] [drm] radeon: 512M of GTT memory ready.
[    8.429149] [drm] GART: num cpu pages 131072, num gpu pages 131072
[    8.433650] [drm] radeon: 1 quad pipes, 1 z pipes initialized.
[    8.450393] radeon 0000:01:05.0: WB enabled
[    8.452791] [drm] Loading RS690/RS740 Microcode
[    9.139696] [drm] radeon: ring at 0x0000000040001000
[    9.139718] [drm] ring test succeeded in 1 usecs
[    9.139884] [drm] radeon: ib pool ready.
[    9.139978] [drm] ib test succeeded in 0 usecs
[    9.140324] [drm] Radeon Display Connectors
[    9.140327] [drm] Connector 0:
[    9.140329] [drm]   VGA
[    9.140332] [drm]   DDC: 0x7e50 0x7e40 0x7e54 0x7e44 0x7e58 0x7e48
0x7e5c 0x7e4c
[    9.140334] [drm]   Encoders:
[    9.140336] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[    9.140338] [drm] Connector 1:
[    9.140340] [drm]   S-video
[    9.140341] [drm]   Encoders:
[    9.140343] [drm]     TV1: INTERNAL_KLDSCP_DAC1
[    9.140344] [drm] Connector 2:
[    9.140346] [drm]   HDMI-A
[    9.140347] [drm]   HPD2
[    9.140350] [drm]   DDC: 0x7e40 0x7e60 0x7e44 0x7e64 0x7e48 0x7e68
0x7e4c 0x7e6c
[    9.140352] [drm]   Encoders:
[    9.140354] [drm]     DFP2: INTERNAL_DDI
[    9.140356] [drm] Connector 3:
[    9.140357] [drm]   DVI-D
[    9.140360] [drm]   DDC: 0x7e40 0x7e50 0x7e44 0x7e54 0x7e48 0x7e58
0x7e4c 0x7e5c
[    9.140362] [drm]   Encoders:
[    9.140364] [drm]     DFP3: INTERNAL_LVTM1
[    9.200505] [drm] Radeon display connector VGA-1: No monitor
connected or invalid EDID
[    9.536899] Raw EDID:
[    9.536907] <3>00 00 00 00 00 01 00 00 00 00 00 00 00 00 00
00  ................
[    9.536911] <3>00 00 00 00 3f 00 00 00 00 00 00 00 00 00 00
00  ....?...........
[    9.536914] <3>00 00 03 00 00 00 00 00 00 00 00 00 00 7f 00
00  ................
[    9.536917] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[    9.536920] <3>00 00 00 00 00 00 00 3f 00 00 00 00 00 00 00
00  .......?........
[    9.536922] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[    9.536925] <3>ff 00 00 00 00 00 00 00 00 00 00 00 00 0f 1f
00  ................
[    9.536928] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[    9.536930] 
[    9.865805] Raw EDID:
[    9.865813] <3>00 00 00 00 01 00 00 00 00 00 00 00 00 00 ff
00  ................
[    9.865816] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 1f 00
00  ................
[    9.865819] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[    9.865822] <3>00 00 00 00 00 00 00 07 00 00 00 00 00 00 00
00  ................
[    9.865825] <3>00 00 03 00 00 00 00 00 00 00 ff 00 00 00 00
00  ................
[    9.865828] <3>00 03 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[    9.865831] <3>00 00 1f 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[    9.865833] <3>00 00 00 00 00 00 00 00 00 00 07 00 00 00 00
00  ................
[    9.865836] 
[   10.211426] Raw EDID:
[   10.211436] <3>00 00 00 00 00 00 00 03 00 00 00 ff 00 00 00
00  ................
[   10.211439] <3>00 00 00 00 00 00 00 03 00 00 00 00 00 00 00
00  ................
[   10.211442] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   10.211445] <3>7f 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   10.211448] <3>00 00 00 00 00 00 3f 00 00 00 00 ff 00 00 00
00  ......?.........
[   10.211451] <3>00 00 00 00 00 00 00 00 00 00 00 00 3f 00 00
00  ............?...
[   10.211454] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   10.211457] <3>00 3f 00 00 00 00 00 00 00 00 00 00 00 00 ff
00  .?..............
[   10.211459] 
[   10.407265] Raw EDID:
[   10.407274] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   10.407277] <3>00 00 00 ff 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   10.407280] <3>00 00 00 ff 00 7f 00 00 00 00 00 00 00 00 00
00  ................
[   10.407283] <3>00 00 00 00 00 00 ff 00 00 00 00 00 00 00 00
00  ................
[   10.407286] <3>00 00 00 00 00 00 00 00 00 00 00 7f 00 00 00
00  ................
[   10.407289] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   10.407309] <3>00 0f 00 00 00 00 00 00 00 00 01 00 00 00 00
00  ................
[   10.407312] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 3f 00
00  .............?..
[   10.407314] 
[   10.407320] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[   10.407324] [drm] Radeon display connector HDMI-A-1: No monitor
connected or invalid EDID
[   10.601868] [drm] Radeon display connector DVI-D-1: Found valid EDID
[   11.200051] [drm] fb mappable at 0xF0040000
[   11.200056] [drm] vram apper at 0xF0000000
[   11.200059] [drm] size 5242880
[   11.200061] [drm] fb depth is 24
[   11.200062] [drm]    pitch is 5120
[   11.201974] drm: registered panic notifier
[   11.202110] [drm] Initialized radeon 2.10.0 20080528 for 0000:01:05.0
on minor 0

> From: Thomas Reim <rdratlos@xxxxxxxxxxx>
> 
>     Some integrated ATI Radeon chipset implementations
>     with add-on HDMI card (e. g. Asus M2A-VM HDMI) indicate the availability
>     of a DDC even when the add-on card is not plugged in or HDMI is disabled
>     in BIOS setup. In this case, drm_get_edid() and drm_edid_block_valid()
>     periodically dump data and kernel errors into system log files and onto
>     terminals. For these chipsets DDC probing is extended by a check for a
>     correct EDID header. Only in case a valid EDID header is also found, the
>     (HDMI) connector will be used by the Radeon driver. This prevents the
>     kernel driver from useless flooding of logs and terminal sessions with
>     EDID dumps and error messages.
>     This patch adds a flag 'requires_extended_probe' to the radeon_connector
>     structure. In function radeon_connector_needs_extended_probe() this flag
>     can be set on a chipset family/vendor/connector type specific basis.
>     In addition, function drm_edid_header_is_valid() has been added for EDID
>     header check and function radeon_ddc_probe() has been adapted to perform
>     extended DDC probing if required by the connector's flag.
> 
>     Tested for kernel 2.35, 2.38 and 3.0 on Asus M2A-VM HDMI board
> 
> Signed-off-by: Thomas Reim <rdratlos@xxxxxxxxxxx>


2. dmesg without patch:

[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.0.0-rc3-radeonfix (root@Mark-Aurel) (gcc
version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5) ) #1 SMP Tue Jun 21
10:29:44 CEST 2011
[    0.000000] Command line:
BOOT_IMAGE=/boot/vmlinuz-3.0.0-rc3-radeonfix
root=UUID=0cc18590-dcbb-43ba-867a-0a3b3b6a9b56 ro quiet splash
vt.handoff=7
.
.
.
[   13.590728] [drm] Initialized drm 1.1.0 20060810
[   14.923157] [drm] radeon defaulting to kernel modesetting.
[   14.923163] [drm] radeon kernel modesetting enabled.
[   14.931891] radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) ->
IRQ 18
[   14.932445] [drm] initializing kernel modesetting (RS690
0x1002:0x791E).
[   14.932475] [drm] register mmio base: 0xFDCF0000
[   14.932478] [drm] register mmio size: 65536
[   14.932817] ATOM BIOS: ATI
[   14.932845] radeon 0000:01:05.0: VRAM: 128M 0x0000000038000000 -
0x000000003FFFFFFF (128M used)
[   14.932849] radeon 0000:01:05.0: GTT: 512M 0x0000000040000000 -
0x000000005FFFFFFF
[   14.932884] [drm] Supports vblank timestamp caching Rev 1
(10.10.2010).
[   14.932887] [drm] Driver supports precise vblank timestamp query.
[   14.932902] [drm] radeon: irq initialized.
[   14.932994] [drm] Detected VRAM RAM=128M, BAR=128M
[   14.932998] [drm] RAM width 128bits DDR
[   14.933165] [TTM] Zone  kernel: Available graphics memory: 445354
kiB.
[   14.933168] [TTM] Initializing pool allocator.
[   14.933200] [drm] radeon: 128M of VRAM memory ready
[   14.933203] [drm] radeon: 512M of GTT memory ready.
[   14.933284] [drm] GART: num cpu pages 131072, num gpu pages 131072
[   14.938106] [drm] radeon: 1 quad pipes, 1 z pipes initialized.
[   14.981418] radeon 0000:01:05.0: WB enabled
[   14.982168] [drm] Loading RS690/RS740 Microcode
[   15.030767] [drm] radeon: ring at 0x0000000040001000
[   15.030789] [drm] ring test succeeded in 1 usecs
[   15.030950] [drm] radeon: ib pool ready.
[   15.031038] [drm] ib test succeeded in 0 usecs
[   15.031047] failed to evaluate ATIF got AE_BAD_PARAMETER
[   15.031332] [drm] Radeon Display Connectors
[   15.031335] [drm] Connector 0:
[   15.031337] [drm]   VGA
[   15.031340] [drm]   DDC: 0x7e50 0x7e40 0x7e54 0x7e44 0x7e58 0x7e48
0x7e5c 0x7e4c
[   15.031342] [drm]   Encoders:
[   15.031344] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[   15.031346] [drm] Connector 1:
[   15.031348] [drm]   S-video
[   15.031349] [drm]   Encoders:
[   15.031351] [drm]     TV1: INTERNAL_KLDSCP_DAC1
[   15.031353] [drm] Connector 2:
[   15.031355] [drm]   HDMI-A
[   15.031356] [drm]   HPD2
[   15.031359] [drm]   DDC: 0x7e40 0x7e60 0x7e44 0x7e64 0x7e48 0x7e68
0x7e4c 0x7e6c
[   15.031361] [drm]   Encoders:
[   15.031363] [drm]     DFP2: INTERNAL_DDI
[   15.031365] [drm] Connector 3:
[   15.031367] [drm]   DVI-D
[   15.031369] [drm]   DDC: 0x7e40 0x7e50 0x7e44 0x7e54 0x7e48 0x7e58
0x7e4c 0x7e5c
[   15.031371] [drm]   Encoders:
[   15.031373] [drm]     DFP3: INTERNAL_LVTM1
[   15.461821] Raw EDID:
[   15.461865] <3>00 00 00 00 00 00 00 00 00 00 00 00 07 00 00
00  ................
[   15.461869] <3>00 00 00 00 00 00 00 00 00 00 00 00 01 00 00
00  ................
[   15.461872] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3f  ...............?
[   15.461875] <3>0f 1f 3f 1f 3f 7f 00 00 00 00 00 00 00 00 00
00  ..?.?...........
[   15.461877] <3>00 00 00 00 00 00 00 ff 00 00 00 00 00 00 00
00  ................
[   15.461880] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3f  ...............?
[   15.461883] <3>03 1f 00 00 00 00 00 00 00 00 3f 00 00 00 0f
00  ..........?.....
[   15.461886] <3>00 00 00 00 00 00 00 00 00 00 0f 07 00 3f 00
00  .............?..
[   15.461888] 
[   15.822495] Raw EDID:
[   15.822539] <3>00 03 00 00 00 00 00 00 00 3f 00 00 00 00 00
00  .........?......
[   15.822542] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   15.822545] <3>00 0f 00 00 00 00 00 00 00 00 00 00 00 3f 00
00  .............?..
[   15.822548] <3>0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   15.822551] <3>00 00 00 00 00 00 00 00 00 00 01 00 00 00 00
00  ................
[   15.822553] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 07
00  ................
[   15.822556] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   15.822559] <3>00 00 00 00 00 00 00 00 7f 00 ff 00 00 00 00
00  ................
[   15.822561] 
[   15.861945] EXT4-fs (sda3): re-mounted. Opts: errors=remount-ro
[   16.193649] Raw EDID:
[   16.193692] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   16.193696] <3>00 00 00 00 1f 00 00 00 00 00 03 00 00 00 00
00  ................
[   16.193699] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   16.193702] <3>00 00 00 00 00 ff 00 00 00 00 00 00 00 00 00
00  ................
[   16.193705] <3>00 00 00 00 00 00 00 00 00 00 00 7f 00 00 00
00  ................
[   16.193707] <3>00 00 00 7f 00 00 00 3f 00 00 00 00 00 07 3f
00  .......?......?.
[   16.193710] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   16.193713] <3>00 03 00 00 07 1f 00 00 00 00 00 00 00 00 00
00  ................
[   16.193715] 
[   16.499673] Raw EDID:
[   16.499717] <3>00 07 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   16.499720] <3>00 00 00 00 00 00 00 00 01 00 00 00 00 00 00
00  ................
[   16.499723] <3>00 00 00 00 00 00 00 00 00 00 00 00 03 00 00
00  ................
[   16.499726] <3>00 00 00 00 03 00 00 07 00 00 00 00 00 00 00
00  ................
[   16.499729] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   16.499732] <3>00 ff 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   16.499734] <3>00 00 00 00 00 00 00 00 00 00 00 3f 00 00 01
00  ...........?....
[   16.499737] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   16.499739] 
[   16.499778] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[   17.585964] Raw EDID:
[   17.586008] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 7f
00  ................
[   17.586012] <3>00 00 00 00 00 00 00 00 00 00 00 ff 00 00 00
00  ................
[   17.586015] <3>00 ff 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   17.586017] <3>00 00 00 00 00 00 00 00 00 00 00 3f 00 00 00
00  ...........?....
[   17.586020] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 01
00  ................
[   17.586023] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   17.586026] <3>00 00 00 00 00 00 00 00 00 7f 00 00 00 00 00
00  ................
[   17.586028] <3>00 00 00 00 00 3f 00 00 00 00 00 00 00 00 00
00  .....?..........
[   17.586030] 
[   17.886217] Raw EDID:
[   17.886260] <3>00 00 00 00 00 00 00 7f 00 00 00 00 00 00 00
00  ................
[   17.886263] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   17.886266] <3>00 0f 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   17.886269] <3>00 00 00 00 00 00 00 00 00 00 00 01 00 00 00
00  ................
[   17.886271] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   17.886274] <3>00 00 00 00 00 0f 00 00 00 00 00 00 00 00 00
00  ................
[   17.886277] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
01  ................
[   17.886279] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   17.886282] 
[   18.203072] Raw EDID:
[   18.203117] <3>00 00 00 00 00 00 0f 00 00 00 00 00 00 00 00
00  ................
[   18.203120] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   18.203123] <3>01 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   18.203126] <3>00 00 00 00 00 00 00 00 00 00 00 7f 00 00 00
00  ................
[   18.203129] <3>00 00 00 0f 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   18.203131] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 01 00
00  ................
[   18.203134] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   18.203137] <3>00 00 00 00 00 00 00 00 7f 00 00 00 00 00 00
00  ................
[   18.203139] 
[   18.493769] Raw EDID:
[   18.493812] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 01
00  ................
[   18.493815] <3>00 00 00 00 00 00 00 00 00 00 00 00 1f 00 00
00  ................
[   18.493818] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   18.493821] <3>00 00 00 00 00 00 03 00 00 00 00 00 00 00 00
00  ................
[   18.493823] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   18.493826] <3>00 ff 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   18.493829] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   18.493832] <3>00 00 00 00 00 00 3f 00 00 00 00 00 00 00 00
00  ......?.........
[   18.493834] 
[   18.493872] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[   18.493877] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: probed a
monitor but no|invalid EDID
[   18.900024] [drm] fb mappable at 0xF0040000
[   18.900029] [drm] vram apper at 0xF0000000
[   18.900031] [drm] size 5242880
[   18.900033] [drm] fb depth is 24
[   18.900034] [drm]    pitch is 5120
[   18.982054] drm: registered panic notifier
[   19.040041] [drm] Initialized radeon 2.10.0 20080528 for 0000:01:05.0
on minor 0
.
.
.
[   20.064119] Raw EDID:
[   20.064168] <3>00 00 00 00 00 00 00 00 00 00 07 00 00 00 00
00  ................
[   20.064171] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1f  ................
[   20.064174] <3>00 00 00 00 00 00 00 1f 00 00 00 00 00 00 00
00  ................
[   20.064177] <3>00 00 00 00 00 00 3f 00 00 00 00 00 00 00 00
00  ......?.........
[   20.064180] <3>00 00 00 00 03 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.064182] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 1f 00
00  ................
[   20.064185] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.064188] <3>00 00 00 00 00 07 00 00 00 00 00 00 00 00 00
00  ................
[   20.064190] 
[   20.257421] Raw EDID:
[   20.257471] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.257474] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.257477] <3>00 00 7f 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.257479] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.257482] <3>07 00 00 00 00 00 00 00 00 00 00 07 00 00 00
00  ................
[   20.257485] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.257487] <3>00 00 00 00 00 01 00 00 00 00 00 00 03 00 00
00  ................
[   20.257490] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.257492] 
[   20.465811] Raw EDID:
[   20.465860] <3>00 00 00 3f 00 00 00 00 00 00 00 07 00 00 00
00  ...?............
[   20.465863] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.465866] <3>00 00 7f 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.465869] <3>00 00 00 00 00 00 00 00 00 00 00 00 1f 00 00
00  ................
[   20.465872] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.465874] <3>00 00 00 00 00 00 07 00 00 00 00 00 00 00 00
00  ................
[   20.465877] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.465880] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.465882] 
[   20.665976] Raw EDID:
[   20.666026] <3>00 00 00 00 00 00 00 0f 00 00 00 00 00 00 00
00  ................
[   20.666029] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.666032] <3>00 07 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.666034] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.666037] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.666040] <3>00 00 00 00 00 00 3f 00 00 00 00 00 00 00 00
00  ......?.........
[   20.666043] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.666045] <3>0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.666047] 
[   20.666076] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[   20.666081] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: probed a
monitor but no|invalid EDID
[   20.900353] Raw EDID:
[   20.900399] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.900402] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.900405] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.900408] <3>07 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.900411] <3>00 00 00 00 00 00 00 00 00 00 01 00 00 00 00
00  ................
[   20.900413] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   20.900416] <3>00 00 00 00 00 7f 00 00 00 00 00 00 00 00 00
00  ................
[   20.900419] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1f  ................
[   20.900421] 
[   21.102164] Raw EDID:
[   21.102209] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.102212] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 0f
00  ................
[   21.102215] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.102217] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.102220] <3>00 00 00 00 00 00 7f 00 00 00 00 00 00 00 00
00  ................
[   21.102223] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.102226] <3>1f 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.102228] <3>00 00 00 00 00 00 00 00 00 00 07 00 00 00 00
00  ................
[   21.102230] 
[   21.303189] Raw EDID:
[   21.303234] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.303237] <3>00 7f 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.303240] <3>00 00 00 00 00 00 00 00 00 00 00 1f 00 00 00
00  ................
[   21.303243] <3>00 00 00 00 00 0f 00 00 00 00 00 00 00 00 00
00  ................
[   21.303245] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
03  ................
[   21.303248] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.303251] <3>00 00 00 00 00 00 00 00 00 00 ff 00 00 00 00
00  ................
[   21.303254] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.303256] 
[   21.488194] Raw EDID:
[   21.488248] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 0f
00  ................
[   21.488251] <3>00 00 00 07 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.488254] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.488256] <3>00 00 00 00 00 00 3f 00 00 00 00 00 00 00 00
00  ......?.........
[   21.488259] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.488262] <3>0f 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.488265] <3>00 00 00 00 00 00 00 00 00 00 03 00 00 00 00
00  ................
[   21.488267] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   21.488269] 
[   21.488300] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[   21.488305] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: probed a
monitor but no|invalid EDID
[   21.625439] r8169 0000:03:05.0: eth1: link up
[   23.012406] Raw EDID:
[   23.012414] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 01 00
00  ................
[   23.012417] <3>00 00 00 00 00 00 00 00 00 00 01 00 00 00 00
00  ................
[   23.012420] <3>00 00 00 00 00 00 00 00 00 01 00 00 00 00 00
00  ................
[   23.012423] <3>00 00 00 00 00 00 00 01 00 00 00 00 00 00 00
00  ................
[   23.012426] <3>00 00 00 00 00 1f 00 00 00 00 00 00 00 00 00
00  ................
[   23.012428] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
03  ................
[   23.012431] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.012434] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.012436] 
[   23.165127] Raw EDID:
[   23.165135] <3>00 00 00 00 7f 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.165138] <3>00 00 0f 00 00 00 00 00 00 00 00 00 00 00 1f
00  ................
[   23.165141] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.165144] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.165147] <3>00 00 00 00 00 00 00 7f 00 00 00 00 00 00 00
00  ................
[   23.165149] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.165152] <3>00 1f 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.165155] <3>00 00 03 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.165157] 
[   23.315132] Raw EDID:
[   23.315139] <3>00 00 00 00 00 00 00 00 00 0f 00 00 00 00 00
00  ................
[   23.315142] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.315145] <3>00 00 7f 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.315148] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.315151] <3>07 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.315153] <3>00 00 00 00 00 00 00 00 00 00 01 00 00 00 00
00  ................
[   23.315156] <3>00 00 00 00 00 00 00 00 01 00 00 00 00 00 00
00  ................
[   23.315159] <3>00 00 03 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.315161] 
[   23.477121] Raw EDID:
[   23.477129] <3>00 00 00 00 00 00 00 00 00 0f 00 00 00 00 00
00  ................
[   23.477132] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.477135] <3>00 00 00 00 00 ff 00 00 00 00 00 00 00 00 00
00  ................
[   23.477138] <3>00 00 00 00 00 00 00 00 00 3f 00 00 00 00 00
00  .........?......
[   23.477140] <3>00 00 00 0f 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.477143] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 01 00
00  ................
[   23.477146] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 7f
00  ................
[   23.477149] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.477151] 
[   23.477156] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[   23.477161] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: probed a
monitor but no|invalid EDID
[   23.650366] Raw EDID:
[   23.650374] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.650377] <3>00 00 3f 00 00 00 00 00 00 00 00 00 0f 00 00
00  ..?.............
[   23.650380] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.650383] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
01  ................
[   23.650385] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.650388] <3>00 00 00 00 00 ff 00 00 00 00 00 00 00 00 00
00  ................
[   23.650391] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.650394] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
3f  ...............?
[   23.650396] 
[   23.792015] Raw EDID:
[   23.792022] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.792025] <3>00 00 00 00 00 00 ff 00 00 00 00 00 00 00 00
00  ................
[   23.792028] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.792031] <3>00 00 00 00 00 00 00 00 00 3f 00 00 00 00 00
00  .........?......
[   23.792034] <3>00 00 00 00 00 00 1f 00 00 00 00 00 00 00 00
00  ................
[   23.792036] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.792039] <3>00 1f 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.792042] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.792044] 
[   23.930039] Raw EDID:
[   23.930047] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.930050] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.930053] <3>00 00 3f 00 03 00 00 00 00 00 00 00 00 00 00
00  ..?.............
[   23.930056] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.930058] <3>00 00 00 1f 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.930061] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.930064] <3>00 00 00 00 00 01 00 00 00 00 00 00 00 00 00
00  ................
[   23.930066] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   23.930069] 
[   24.108740] Raw EDID:
[   24.108748] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   24.108752] <3>00 00 00 00 00 00 00 ff 00 00 00 00 00 00 00
00  ................
[   24.108754] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   24.108757] <3>00 1f 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   24.108760] <3>00 00 00 00 00 00 00 00 00 00 00 03 00 00 00
00  ................
[   24.108763] <3>00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00  ................
[   24.108765] <3>00 00 00 00 00 00 1f 00 00 00 00 00 00 00 ff
00  ................
[   24.108768] <3>00 00 00 00 00 00 00 00 00 00 00 00 01 00 00
00  ................
[   24.108770] 
[   24.108775] radeon 0000:01:05.0: HDMI-A-1: EDID block 0 invalid.
[   24.108780] [drm:radeon_dvi_detect] *ERROR* HDMI-A-1: probed a
monitor but no|invalid EDID
...

Best regards

Thomas


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