[Bug 89945] xf86-video-intel-2.99.917 should allow edid override to known edid.bin file for AVR+TV combinations

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Apr 8 03:59:57 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=89945

--- Comment #2 from lucas oldfield <lucas.oldfield at gmail.com> ---
I'll reload the original unmodified driver and show you the debug log of the
edid it dumps out on the hot plug. From memory (last week) it was showing all
0x00 and an invalid CRC obviously.. as in EDID failed on attaching display. I
think this is why it fails to re establish the output when the avr is turned on
again.

I'll go verify now that;

1)Test: Original Driver bootup and AVR power cycle
 a) Boot-up with everything powered on
 b) AVR turned off, pause, then back on
 = No screen and EDID check failed

2)Test: Cached EDID driver bootup and AVR power cycle
 a) Boot-up with everything powered on
 b) AVR turned off, pause, then back on
 = Screen re-establishes connection along with audio

I was previously using the standard 14.04 ubuntu distribution and experienced
these problems. I've now gone with 14.10 on the latest BIOS and driver to
verify if it had been fixed already before posting.

This shouldn't take too long, just have to enable more debug output into the
xorg log file

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