"drm: Add reference counting to blob properties" breaks Tegra124 Jetson TK1 in linux-next

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Hi folks

Tegra124 Jetson TK1 hangs during boot in next-20150508 and beyond:

http://nvt.pwsan.com/experimental/linux-next/testlogs/test_next-20150508/20150508101018/boot/tegra124-jetson-tk1/tegra124-jetson-tk1/tegra_defconfig_log.txt http://nvt.pwsan.com/experimental/linux-next/testlogs/test_next-20150511/20150511004533/boot/tegra124-jetson-tk1/tegra124-jetson-tk1/tegra_defconfig_log.txt

Reverting commit 672cb1d6aec7da2799afd1b529d5136d84ed2561 ("drm: Add reference counting to blob properties") gets it booting again:

http://nvt.pwsan.com/pub/pwalmsley-tester/testlogs/test_20150511204703_3838232431c2636ff539f2354c630c0ca3d4b7ad/20150511204703/boot/tegra124-jetson-tk1/tegra124-jetson-tk1/tegra_defconfig_log.txt

I'm not a DRM expert but maybe one of you knows what's going on here?


- Paul


commit 672cb1d6aec7da2799afd1b529d5136d84ed2561
Author: Daniel Stone <daniels@xxxxxxxxxxxxx>
Date:   Mon Apr 20 19:22:55 2015 +0100

    drm: Add reference counting to blob properties

    Reference-count drm_property_blob objects, changing the API to
    ref/unref.

    Signed-off-by: Daniel Stone <daniels@xxxxxxxxxxxxx>
    Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
    Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>


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