[Bug 19457] [ES1000 515E] X fails to start on an HP dl380g5 (amd64)

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19457





--- Comment #4 from Alex Deucher <agd5f at yahoo.com>  2009-01-08 01:42:59 PST ---
This is an xserver bug.  In the case of the es1000 there is one crtc, however,
two outputs are connected, and in theory both can be driven with the same crtc.
 However, in some cases no crtc gets assigned to one of the outputs even though
both monitors have at least one common mode.  Since there is no crtc, the
driver call to enable to second output never happens.  Anyway I think the
proper fix is to figure out why the xserver fails to assign a crtc to the
second output (in xf86PickCrtcs() and xf86InitialConfiguration() in
xf86Crtc.c).  Unfortunately, I can't seem to reproduce this at the moment on
any xserver (I did last time I looked into this, but now it seems to work...).

In the log, you should see:
restore common
restore crtc1
restore pll1
finished PLL1
restore dac
restore dac
"restore dac" should appear twice, once for each dac.

It worked previously since the driver used to ignore the tvdac on es1000 cards.
 As such it was left on from the bios since the driver didn't touch it.


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