[Bug 104615] [KBL] Using custom edid via drm_kms_helper.edid_firmare results in black screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104615

Elizabeth <elizabethx.de.la.torre.mena at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Whiteboard|                            |ReadyForDev
      i915 features|                            |display/Other

--- Comment #4 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
[    1.216977] [drm] Got external EDID base block and 1 extension from
"edid/edid.bin" for connector "DP-1"
[    1.216982] [drm:drm_detect_monitor_audio] Monitor has basic audio support
[    1.216985] [drm:drm_helper_probe_single_connector_modes]
[CONNECTOR:59:DP-1] status updated from unknown to connected
[    1.216991] [drm:drm_add_display_info] non_desktop set to 0
[    1.216994] [drm:drm_add_display_info] HDMI: DVI dual 0, max TMDS clock 0
kHz
[    1.216998] [drm:drm_add_edid_modes] ELD monitor FS2434
[    1.217002] [drm:drm_add_edid_modes] HDMI: latency present 0 0, video
latency 0 0, audio latency 0 0
[    1.217004] [drm:drm_add_edid_modes] ELD size 32, SAD count 1
[    1.217006] [drm:drm_add_display_info] non_desktop set to 0
[    1.217009] [drm:drm_add_display_info] HDMI: DVI dual 0, max TMDS clock 0
kHz
[    1.217104] ------------[ cut here ]------------
[    1.217105] WARN_ON(len <= 0)
[    1.217123] WARNING: CPU: 2 PID: 5 at drivers/gpu/drm/i915/intel_dp.c:1563
intel_dp_max_link_rate+0x5e/0x80
[    1.217124] Modules linked in:
[    1.217126] CPU: 2 PID: 5 Comm: kworker/u8:0 Not tainted 4.15.0-rc7 #1
[    1.217127] Hardware name: YachtCloud Omniyon/NUC7i5BNB, BIOS
BNKBL357.86A.0045.2017.0417.1728 04/17/2017
[    1.217130] Workqueue: events_unbound async_run_entry_fn
[    1.217132] RIP: 0010:intel_dp_max_link_rate+0x5e/0x80
[    1.217133] RSP: 0000:ffff9957f98b3c98 EFLAGS: 00010292
[    1.217135] RAX: 0000000000000011 RBX: ffff9957f9b80000 RCX:
ffffffffa30453d8
[    1.217136] RDX: 0000000000000001 RSI: 0000000000000086 RDI:
0000000000000287
[    1.217137] RBP: 00000000000a4cb8 R08: 000000000000030e R09:
ffffffffa3ae8b60
[    1.217137] R10: ffffeb8e46e26a40 R11: 0000000000000001 R12:
ffff9957f99f4200
[    1.217138] R13: 0000000000024414 R14: 0000000000000000 R15:
ffff9957f9b80108
[    1.217140] FS:  0000000000000000(0000) GS:ffff9957fe900000(0000)
knlGS:0000000000000000
[    1.217141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    1.217142] CR2: 0000000000000000 CR3: 000000001000a001 CR4:
00000000001606a0
[    1.217143] Call Trace:
[    1.217147]  intel_dp_mode_valid+0xa7/0x160
[    1.217150]  drm_helper_probe_single_connector_modes+0x3d3/0x6a0
[    1.217152]  drm_setup_crtcs+0x137/0xae0
[    1.217155]  ? dequeue_entity+0x45d/0x7c0
[    1.217157]  __drm_fb_helper_initial_config_and_unlock+0x2d/0x3f0
[    1.217159]  ? _cond_resched+0x15/0x40
[    1.217160]  ? mutex_lock+0xe/0x30
[    1.217162]  intel_fbdev_initial_config+0x14/0x30
[    1.217164]  async_run_entry_fn+0x31/0xe0
[    1.217166]  process_one_work+0x1ec/0x3e0
[    1.217167]  worker_thread+0x2b/0x3f0
[    1.217169]  ? process_one_work+0x3e0/0x3e0
[    1.217170]  kthread+0x111/0x130
[    1.217173]  ? _kthread_create_worker_on_cpu+0x40/0x40
[    1.217175]  ret_from_fork+0x24/0x30
[    1.217176] Code: 8a fc eb 10 8b 32 89 c1 48 83 ea 04 83 e8 01 41 39 f0 7d
1f 85 c0 75 ec 48 c7 c6 c3 bf d5 a2 48 c7 c7 b7 58 cc a2 e8 62 c1 79 ff <0f> ff
b8 d0 78 02 00 c3 83 e9 01 48 63 c9 8b 84 8f 8c 00 00 00 
[    1.217203] ---[ end trace ff3fd02f6f847db7 ]---

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