[Bug 97762] New: [i915] 4.8.0rc4 & Digicam: Video frame stays on screen after closing video until killing application

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97762

            Bug ID: 97762
           Summary: [i915] 4.8.0rc4 & Digicam: Video frame stays on screen
                    after closing video until killing application
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jens-bugs.freedesktop.org at spamfreemail.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Using this notebook

[    0.000000] Linux version 4.8.0-040800rc4-generic (kernel at gomeisa) (gcc
version 6.2.0 20160824 (Ubuntu 6.2.0-1ubuntu12) ) #201608312129 SMP Thu Sep 1
01:31:59 UTC 2016
[    0.000000] SMBIOS 2.7 present.
[    0.000000] DMI: HP HP EliteBook 840 G3/8079, BIOS N75 Ver. 01.04 01/31/2016
...
[   17.300264] [drm] Replacing VGA console driver
[   17.306944] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[   17.306945] [drm] Driver supports precise vblank timestamp query.
[   17.309638] vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[   17.310900] [drm] Finished loading i915/skl_dmc_ver1_26.bin (v1.26)
[   17.315571] ata1: SATA link down (SStatus 4 SControl 300)
[   17.316937] [drm] GuC firmware load skipped
...
[   19.258189] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device

when starting Digikam app and playing a video (which in itself uses the KDE 4
Multimedia framework), the video is not scaled and does not vanish after
closing the player (meaning the last played video frame stays on screen) until
I close the whole app.

Using a i915 MSI-7817 mainboard (see below), this does not happen:

[    0.000000] Linux version 4.8.0-040800rc4-generic (kernel at gomeisa) (gcc
version 6.2.0 20160824 (Ubuntu 6.2.0-1ubuntu12) ) #201608312129 SMP Thu Sep 1
01:31:59 UTC 2016
[    0.000000] DMI: MSI MS-7817/CSM-B85M-E45 (MS-7817), BIOS V10.9 04/21/2015
...
[    1.560242] [drm] Replacing VGA console driver
[    1.566087] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.566088] [drm] Driver supports precise vblank timestamp query.
...
[    2.675662] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device


Is this a known bug? If not, I can try again with debug parameters.

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