[Bug 78655] kernel 3.15 regression, drm i915 chooses wrong monitor resolution

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78655

Knut Petersen <Knut_Petersen at t-online.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #10 from Knut Petersen <Knut_Petersen at t-online.de> ---
Hi Chris!

I tested attachments 98977 and 98978, they applied to kernel
4186fea0cb06bc43181ce239efe0df6f1af260a with a bit of offset and fixed the
problem here. Definitely another candidate for 3.15.

[    3.496049] [drm:intel_gmbus_force_bit] enabling bit-banging on i915 gmbus
vga. force bit now 1
[    3.536426] [drm:intel_gmbus_force_bit] disabling bit-banging on i915 gmbus
vga. force bit now 0
[    3.536478] [drm:edid_ensure_preferred] No preferred mode found in EDID on
connector VGA-1, marking the first (1280x1024) as preferred
[    3.536485] [drm:drm_edid_to_eld] ELD: no CEA Extension found
[    3.536506] [drm:drm_helper_probe_single_connector_modes]
[CONNECTOR:8:VGA-1] probed modes :
[    3.536516] [drm:drm_mode_debug_printmodeline] Modeline 82:"1280x1024" 60
108000 1280 1328 1440 1688 1024 1025 1028 1066 0x48 0x5
[    3.536525] [drm:drm_mode_debug_printmodeline] Modeline 90:"1280x1024" 75
135000 1280 1296 1440 1688 1024 1025 1028 1066 0x40 0x5
[    3.536535] [drm:drm_mode_debug_printmodeline] Modeline 97:"1152x864" 75
108000 1152 1216 1344 1600 864 865 868 900 0x40 0x5
[    3.536544] [drm:drm_mode_debug_printmodeline] Modeline 91:"1024x768" 75
78800 1024 1040 1136 1312 768 769 772 800 0x40 0x5
[    3.536554] [drm:drm_mode_debug_printmodeline] Modeline 92:"1024x768" 70
75000 1024 1048 1184 1328 768 771 777 806 0x40 0xa
[    3.536563] [drm:drm_mode_debug_printmodeline] Modeline 93:"1024x768" 60
65000 1024 1048 1184 1344 768 771 777 806 0x40 0xa
[    3.536572] [drm:drm_mode_debug_printmodeline] Modeline 94:"832x624" 75
57284 832 864 928 1152 624 625 628 667 0x40 0xa
[    3.536582] [drm:drm_mode_debug_printmodeline] Modeline 95:"800x600" 75
49500 800 816 896 1056 600 601 604 625 0x40 0x5
[    3.536591] [drm:drm_mode_debug_printmodeline] Modeline 96:"800x600" 72
50000 800 856 976 1040 600 637 643 666 0x40 0x5
[    3.536600] [drm:drm_mode_debug_printmodeline] Modeline 83:"800x600" 60
40000 800 840 968 1056 600 601 605 628 0x40 0x5
[    3.536610] [drm:drm_mode_debug_printmodeline] Modeline 84:"800x600" 56
36000 800 824 896 1024 600 601 603 625 0x40 0x5
[    3.536619] [drm:drm_mode_debug_printmodeline] Modeline 85:"640x480" 75
31500 640 656 720 840 480 481 484 500 0x40 0xa
[    3.536628] [drm:drm_mode_debug_printmodeline] Modeline 86:"640x480" 73
31500 640 664 704 832 480 489 491 520 0x40 0xa
[    3.536637] [drm:drm_mode_debug_printmodeline] Modeline 87:"640x480" 67
30240 640 704 768 864 480 483 486 525 0x40 0xa
[    3.536647] [drm:drm_mode_debug_printmodeline] Modeline 88:"640x480" 60
25200 640 656 752 800 480 490 492 525 0x40 0xa
[    3.536656] [drm:drm_mode_debug_printmodeline] Modeline 89:"720x400" 70
28320 720 738 846 900 400 412 414 449 0x40 0x6


[    3.998321] [drm:drm_enable_connectors] connector 8 enabled? yes
[    3.998327] [drm:drm_enable_connectors] connector 11 enabled? no
[    3.998332] [drm:drm_enable_connectors] connector 13 enabled? no
[    3.998338] [drm:drm_enable_connectors] connector 30 enabled? no
[    3.998343] [drm:drm_enable_connectors] connector 47 enabled? no
[    3.998349] [drm:drm_enable_connectors] connector 64 enabled? no
[    3.998354] [drm:drm_enable_connectors] connector 65 enabled? no
[    3.998361] [drm:intel_fb_initial_config] looking for cmdline mode on
connector 8
[    3.998367] [drm:intel_fb_initial_config] looking for preferred mode on
connector 8
[    3.998374] [drm:intel_fb_initial_config] connector VGA-1 on crtc 5:
1280x1024
[    3.998379] [drm:intel_fb_initial_config] connector 11 not enabled, skipping
[    3.998385] [drm:intel_fb_initial_config] connector 13 not enabled, skipping
[    3.998390] [drm:intel_fb_initial_config] connector 30 not enabled, skipping
[    3.998395] [drm:intel_fb_initial_config] connector 47 not enabled, skipping
[    3.998401] [drm:intel_fb_initial_config] connector 64 not enabled, skipping
[    3.998406] [drm:intel_fb_initial_config] connector 65 not enabled, skipping
[    3.998412] [drm:drm_setup_crtcs] desired mode 1280x1024 set on crtc 5
[    3.998427] [drm:intelfb_create] BIOS fb too small (800x600), we require
(1280x1024), releasing it
[    3.998432] [drm:intelfb_create] no BIOS fb, allocating a new one
[    3.998438] [drm:i915_gem_object_create_stolen] creating stolen object:
size=500000
[    3.998448] [drm:i915_pages_create_for_stolen] offset=0x1f5000, size=5242880
[    4.004393] [drm:intelfb_create] allocated 1280x1024 fb: 0x00200000, bo
f638cc00
[    4.005714] fbcon: inteldrmfb (fb0) is primary device


Thanks,
 Knut

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