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From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 102811] New: [BISECTED] [radeon] Monitor loses HDMI video signal - blank screen after boot
Date: Thu, 13 Aug 2015 10:39:20 +0000	[thread overview]
Message-ID: <bug-102811-2300@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=102811

            Bug ID: 102811
           Summary: [BISECTED] [radeon] Monitor loses HDMI video signal -
                    blank screen after boot
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.1
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: sweeneygj@gmx.com
        Regression: No

Created attachment 184821
  --> https://bugzilla.kernel.org/attachment.cgi?id=184821&action=edit
bisect log to locate problem patch

M/B: MA488TD-M EVO
Monitor: Hanns-G HS241HPBEEW01

Monitor connected via HDMI only.

In 4.1 boot up progresses until display manager login at which point the
monitor loses signal - 'No Signal Input. Check Video cable'. 

4.0.9  works fine.

Bisect log attached.

Good boot finds HDMI connector:

Aug 13 09:20:10 gaia kernel: [    4.959062] [drm] Radeon Display Connectors
Aug 13 09:20:10 gaia kernel: [    4.959066] [drm] Connector 0:
Aug 13 09:20:10 gaia kernel: [    4.959067] [drm]   VGA-1
Aug 13 09:20:10 gaia kernel: [    4.959069] [drm]   DDC: 0x7e40 0x7e40 0x7e44
0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
Aug 13 09:20:10 gaia kernel: [    4.959070] [drm]   Encoders:
Aug 13 09:20:10 gaia kernel: [    4.959071] [drm]     CRT1:
INTERNAL_KLDSCP_DAC1
Aug 13 09:20:10 gaia kernel: [    4.959072] [drm] Connector 1:
Aug 13 09:20:10 gaia kernel: [    4.959073] [drm]   HDMI-A-1
Aug 13 09:20:10 gaia kernel: [    4.959074] [drm]   HPD3
Aug 13 09:20:10 gaia kernel: [    4.959076] [drm]   DDC: 0x7e50 0x7e50 0x7e54
0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
Aug 13 09:20:10 gaia kernel: [    4.959077] [drm]   Encoders:
Aug 13 09:20:10 gaia kernel: [    4.959078] [drm]     DFP3:
INTERNAL_KLDSCP_LVTMA
Aug 13 09:20:10 gaia kernel: [    5.038659] [drm] fb mappable at 0xD0359000
Aug 13 09:20:10 gaia kernel: [    5.038661] [drm] vram apper at 0xD0000000
Aug 13 09:20:10 gaia kernel: [    5.038662] [drm] size 8294400
Aug 13 09:20:10 gaia kernel: [    5.038663] [drm] fb depth is 24
Aug 13 09:20:10 gaia kernel: [    5.038664] [drm]    pitch is 7680


Bad boot finds DVI-D connector:

Aug 12 22:10:53 gaia kernel: [    5.107030] [drm] Radeon Display Connectors
Aug 12 22:10:53 gaia kernel: [    5.107034] [drm] Connector 0:
Aug 12 22:10:53 gaia kernel: [    5.107035] [drm]   VGA-1
Aug 12 22:10:53 gaia kernel: [    5.107037] [drm]   DDC: 0x7e40 0x7e40 0x7e44
0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
Aug 12 22:10:53 gaia kernel: [    5.107038] [drm]   Encoders:
Aug 12 22:10:53 gaia kernel: [    5.107040] [drm]     CRT1:
INTERNAL_KLDSCP_DAC1
Aug 12 22:10:53 gaia kernel: [    5.107041] [drm] Connector 1:
Aug 12 22:10:53 gaia kernel: [    5.107042] [drm]   DVI-D-1
Aug 12 22:10:53 gaia kernel: [    5.107043] [drm]   HPD1
Aug 12 22:10:53 gaia kernel: [    5.107045] [drm]   DDC: 0x7e50 0x7e50 0x7e54
0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
Aug 12 22:10:53 gaia kernel: [    5.107046] [drm]   Encoders:
Aug 12 22:10:53 gaia kernel: [    5.107047] [drm]     DFP3:
INTERNAL_KLDSCP_LVTMA
Aug 12 22:10:53 gaia kernel: [    5.186593] [drm] fb mappable at 0xD0359000
Aug 12 22:10:53 gaia kernel: [    5.186595] [drm] vram apper at 0xD0000000
Aug 12 22:10:53 gaia kernel: [    5.186596] [drm] size 8294400
Aug 12 22:10:53 gaia kernel: [    5.186597] [drm] fb depth is 24
Aug 12 22:10:53 gaia kernel: [    5.186598] [drm]    pitch is 7680

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                 reply	other threads:[~2015-08-13 10:39 UTC|newest]

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