gma500_gfx: Black VGA display with Intel D2500CC board

From: Jan-Benedict Glaw
Date: Tue Oct 08 2013 - 22:12:17 EST

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Hi!

I'll try an up-to-date kernel tomorrow, but with 3.10.x running, I
thought the usual fixes for black screens should be included.

The board features a VGA as well as a DVI connector, VGA is
connected. No LVDS, no DisplayPort. With DRM debugging enabled, I get
this:

[ 0.000000] Linux version 3.10-3-amd64 (debian-kernel@xxxxxxxxxxxxxxxx) (gcc version 4.7.3 (Debian 4.7.3-7) ) #1 SMP Debian 3.10.11-1 (2013-09-10)
[...]
[ 15.714564] [drm] Initialized drm 1.1.0 20060810
[ 28.544053] [drm:drm_pci_init],
[ 28.544088] [drm:drm_get_pci_dev],
[ 28.544279] [drm:drm_get_minor],
[ 28.544482] [drm:drm_get_minor], new minor assigned 64
[ 28.544487] [drm:drm_get_minor],
[ 28.544632] [drm:drm_get_minor], new minor assigned 0
[ 28.544657] gma500 0000:00:02.0: setting latency timer to 64
[ 28.544782] [drm:psb_intel_opregion_setup], OpRegion detected at 0xcef92018
[ 28.544797] [drm:psb_intel_opregion_setup], Public ACPI methods supported
[ 28.544801] [drm:psb_intel_opregion_setup], ASLE supported
[ 28.544838] gma500 0000:00:02.0: irq 49 for MSI/MSI-X
[ 28.544862] [drm:psb_intel_init_bios], Using VBT from OpRegion: $VBT CEDARVIEW d
[ 28.544871] [drm:drm_mode_debug_printmodeline], Modeline 0:"1920x1080" 0 144000 1920 2016 2080 2176 1080 1088 1092 1100 0x8 0xa
[ 28.544881] [drm:parse_sdvo_device_mapping], No SDVO device info is found in VBT
[ 28.544888] [drm:parse_edp], EDP timing in vbt t1_t3 2000 t8 10 t9 2000 t10 500 t11_t12 5000
[ 28.544894] [drm:parse_edp], VBT reports EDP: Lane_count 1, Lane_rate 6, Bpp 24
[ 28.544899] [drm:parse_edp], VBT reports EDP: VSwing 0, Preemph 0
[ 28.560830] acpi device:29: registered as cooling_device0
[ 28.561260] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
[ 28.561428] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input1
[ 28.561515] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[ 28.561553] [drm] No driver support for vblank timestamp query.
[ 28.561591] [drm:drm_irq_install], irq=49
[ 28.562110] [drm:drm_sysfs_connector_add], adding "VGA-1" to sysfs
[ 28.562160] [drm:drm_sysfs_hotplug_event], generating hotplug event
[ 28.623667] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter intel drm LVDSDDC_C
[ 28.623678] [drm:drm_sysfs_connector_add], adding "LVDS-1" to sysfs
[ 28.623731] [drm:drm_sysfs_hotplug_event], generating hotplug event
[ 28.623861] [drm:drm_sysfs_connector_add], adding "DVI-D-1" to sysfs
[ 28.623909] [drm:drm_sysfs_hotplug_event], generating hotplug event
[ 28.623931] [drm:drm_sysfs_connector_add], adding "DP-1" to sysfs
[ 28.623978] [drm:drm_sysfs_hotplug_event], generating hotplug event
[ 28.624490] [drm:cdv_intel_dp_i2c_init], i2c_init DPDDC-B
[ 28.624995] [drm:cdv_intel_dp_aux_ch], dp_aux_ch timeout status 0x51440064
[ 28.625000] [drm:cdv_intel_dp_i2c_aux_ch], aux_ch failed -110
[ 28.625503] [drm:cdv_intel_dp_aux_ch], dp_aux_ch timeout status 0x51440064
[ 28.625507] [drm:cdv_intel_dp_i2c_aux_ch], aux_ch failed -110
[ 28.625669] [drm:drm_sysfs_connector_add], adding "DVI-D-2" to sysfs
[ 28.625718] [drm:drm_sysfs_hotplug_event], generating hotplug event
[ 28.625741] [drm:drm_sysfs_connector_add], adding "DP-2" to sysfs
[ 28.625786] [drm:drm_sysfs_hotplug_event], generating hotplug event
[ 28.626298] [drm:cdv_intel_dp_i2c_init], i2c_init DPDDC-C
[ 28.626603] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.626806] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.666898] [drm:cdv_intel_single_pipe_active], pipe enabled 0
[ 28.686768] gma500 0000:00:02.0: trying to get vblank count for disabled pipe 1
[ 28.686812] gma500 0000:00:02.0: trying to get vblank count for disabled pipe 1
[ 28.726865] [drm:cdv_intel_single_pipe_active], pipe enabled 0
[ 28.746737] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:7:VGA-1]
[ 28.872705] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:7:VGA-1] probed modes :
[ 28.872712] [drm:drm_mode_debug_printmodeline], Modeline 23:"1280x1024" 60 108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
[ 28.872720] [drm:drm_mode_debug_printmodeline], Modeline 33:"1280x1024" 75 135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
[ 28.872728] [drm:drm_mode_debug_printmodeline], Modeline 34:"1024x768" 75 78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
[ 28.872736] [drm:drm_mode_debug_printmodeline], Modeline 25:"1024x768" 75 78750 1024 1040 1136 1312 768 769 772 800 0x40 0x5
[ 28.872743] [drm:drm_mode_debug_printmodeline], Modeline 35:"1024x768" 70 75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
[ 28.872751] [drm:drm_mode_debug_printmodeline], Modeline 36:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 28.872759] [drm:drm_mode_debug_printmodeline], Modeline 37:"800x600" 75 49500 800 816 896 1056 600 601 604 625 0x40 0x5
[ 28.872766] [drm:drm_mode_debug_printmodeline], Modeline 29:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
[ 28.872774] [drm:drm_mode_debug_printmodeline], Modeline 30:"640x480" 75 31500 640 656 720 840 480 481 484 500 0x40 0xa
[ 28.872781] [drm:drm_mode_debug_printmodeline], Modeline 31:"640x480" 60 25200 640 656 752 800 480 490 492 525 0x40 0xa
[ 28.872789] [drm:drm_mode_debug_printmodeline], Modeline 32:"720x400" 70 28320 720 738 846 900 400 412 414 449 0x40 0x6
[ 28.872798] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:9:LVDS-1]
[ 28.877231] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter intel drm LVDSBLC_B
[ 28.877240] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:9:LVDS-1] probed modes :
[ 28.877245] [drm:drm_mode_debug_printmodeline], Modeline 24:"1920x1080" 60 144000 1920 2016 2080 2176 1080 1088 1092 1100 0x8 0xa
[ 28.877253] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:DVI-D-1]
[ 28.881677] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter intel drm HDMIB
[ 28.881683] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:12:DVI-D-1] disconnected
[ 28.881688] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:14:DP-1]
[ 28.882192] [drm:cdv_intel_dp_aux_ch], dp_aux_ch timeout status 0x51440064
[ 28.882197] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:14:DP-1] disconnected
[ 28.882202] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:18:DVI-D-2]
[ 28.886626] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter intel drm HDMIC
[ 28.886632] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:18:DVI-D-2] disconnected
[ 28.886638] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:20:DP-2]
[ 28.886843] [drm:cdv_dp_detect], DPCD: Rev=11 LN_Rate=a LN_CNT=82 LN_DOWNSP=41
[ 28.887149] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.887353] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.887356] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.887660] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.887867] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.887880] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.888185] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.888389] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.888393] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.888697] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.888901] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.888905] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.889209] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.889412] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.889416] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.889721] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.889924] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.889928] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.890232] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.890436] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.890440] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.890744] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.890947] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.890951] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.891255] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.891459] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.891462] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.891766] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.891971] [drm:cdv_intel_dp_i2c_aux_ch], aux_i2c nack
[ 28.891975] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 28.892002] [drm:drm_helper_probe_single_connector_modes], [CONNECTOR:20:DP-2] probed modes :
[ 28.892007] [drm:drm_mode_debug_printmodeline], Modeline 39:"1024x768" 60 65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[ 28.892015] [drm:drm_mode_debug_printmodeline], Modeline 28:"800x600" 60 40000 800 840 968 1056 600 601 605 628 0x40 0x5
[ 28.892023] [drm:drm_mode_debug_printmodeline], Modeline 27:"800x600" 56 36000 800 824 896 1024 600 601 603 625 0x40 0x5
[ 28.892030] [drm:drm_mode_debug_printmodeline], Modeline 38:"848x480" 60 33750 848 864 976 1088 480 486 494 517 0x40 0x5
[ 28.892038] [drm:drm_mode_debug_printmodeline], Modeline 26:"640x480" 60 25175 640 656 752 800 480 489 492 525 0x40 0xa
[ 28.892045] [drm:drm_setup_crtcs],
[ 28.892051] [drm:drm_enable_connectors], connector 7 enabled? yes
[ 28.892055] [drm:drm_enable_connectors], connector 9 enabled? yes
[ 28.892060] [drm:drm_enable_connectors], connector 12 enabled? no
[ 28.892064] [drm:drm_enable_connectors], connector 14 enabled? no
[ 28.892068] [drm:drm_enable_connectors], connector 18 enabled? no
[ 28.892073] [drm:drm_enable_connectors], connector 20 enabled? yes
[ 28.892078] [drm:drm_target_preferred], looking for cmdline mode on connector 7
[ 28.892082] [drm:drm_target_preferred], looking for preferred mode on connector 7
[ 28.892086] [drm:drm_target_preferred], found mode 1280x1024
[ 28.892090] [drm:drm_target_preferred], looking for cmdline mode on connector 9
[ 28.892094] [drm:drm_target_preferred], looking for preferred mode on connector 9
[ 28.892099] [drm:drm_target_preferred], found mode 1920x1080
[ 28.892103] [drm:drm_target_preferred], looking for cmdline mode on connector 20
[ 28.892107] [drm:drm_target_preferred], looking for preferred mode on connector 20
[ 28.892111] [drm:drm_target_preferred], found mode 1024x768
[ 28.892115] [drm:drm_setup_crtcs], picking CRTCs for 4096x4096 config
[ 28.892126] [drm:drm_setup_crtcs], desired mode 1280x1024 set on crtc 3
[ 28.892132] [drm:drm_setup_crtcs], desired mode 1920x1080 set on crtc 4
[ 28.892208] [drm:cdv_get_max_backlight], LVDS Panel PWM value is 0!
[ 28.892213] [drm:cdv_get_max_backlight], LVDS Panel PWM value is 0!
[ 28.892224] [drm] Initialized gma500 1.0.0 2011-06-06 for 0000:00:02.0 on minor 0
--
Jan-Benedict Glaw jbglaw@xxxxxxxxxx +49-172-7608481
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Next message: Brian Norris: "[GIT PULL] MTD fixes for 3.12-rc"
Previous message: Al Viro: "Re: [RFC][PATCH 10/13] make dump_emit() use vfs_write() instead ofbanging at ->f_op->write directly"
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