On Thu, 29 Sep 2011 18:09:37 -0700
Keith Packard kei...@keithp.com wrote:
Verify that the eDP VDD is on, either with the panel being on or with
the VDD force-on bit being set.
This demonstrates that in many instances, VDD is not on when needed,
which leads to failed EDID communications.
On Thu, Sep 29, 2011 at 06:09:37PM -0700, Keith Packard wrote:
Verify that the eDP VDD is on, either with the panel being on or with
the VDD force-on bit being set.
This demonstrates that in many instances, VDD is not on when needed,
which leads to failed EDID communications.
On Fri, 30 Sep 2011 19:02:42 +0200, Daniel Vetter dan...@ffwll.ch wrote:
Use pp_control instead of re-reading?
Could, but you'll note a later patch eliminates both pp_status and
pp_control local variables, so I didn't bother to clean this up when
refactoring.
dp_aux_ch does the low-level io
On Fri, Sep 30, 2011 at 11:01:06AM -0700, Keith Packard wrote:
Should I bother to include this patch in the series at all? It's purely
for diagnostics to make sure the panel is powered during all aux channel
transactions.
I'd say yes, imo paranoia in modesetting code is justified ;-)
-Daniel
Verify that the eDP VDD is on, either with the panel being on or with
the VDD force-on bit being set.
This demonstrates that in many instances, VDD is not on when needed,
which leads to failed EDID communications.
Signed-off-by: Keith Packard kei...@keithp.com
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