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− | ==Get prepared==
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− | This section focuses on debug display driver issue on rel-28.x release.<br>
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− | Drivers of tegra display controller are under kernel source: https://developer.nvidia.com/embedded/downloads <br>
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− | Location: <br>
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− | '''For T210(TX1)''' <br>
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− | kernel/display/drivers/video/tegra/dc/ <br>
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− | '''For T186(TX2).''' Note that TX2 still uses driver code of T210. <br>
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− | kernel/t18x/drivers/video/tegra/dc <br>
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− | ==Tips==
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− | *Capture edid
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− | sudo cat /sys/kernel/debug/tegradc.X/edid #X=0,1,2.
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− | * Forcing edid
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− | # Prepare a known 256byte EDID.
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− | # set use_fallback = true; in tegra_edid_get_monspecs() under edid.c.
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− | # fill in the known EDID to default_720p_edid[256].
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− | ==Known issues==
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− | *HDMI
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− | ** Display is not be able to up. Moreover, system is not able to up.(Fix after rel-28.2)
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− | ***https://devtalk.nvidia.com/default/topic/1003956/jetson-tx2/tx2-not-booting-up-with-hdmi-connected/post/5160211/#5160211
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