[Intel-gfx] PROBLEM: Intel VGA output busticated on 4.3-rc2 (regression)

[Nick Bowler]

On 10/7/15, Nick Bowler <nbowler at draconx.ca> wrote:
> On 10/7/15, Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:
>> On Wed, Oct 07, 2015 at 10:29:22AM -0400, Nick Bowler wrote:
>>> On 10/7/15, Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:
>>> > On Tue, Oct 06, 2015 at 11:42:33AM -0400, Nick Bowler wrote:
>>> >> On 9/24/15, Nick Bowler <nbowler at draconx.ca> wrote:
>>> >> > Testing out 4.3-rc2, first thing I notice is that the VGA output is
>>> >> > not working.  Specifically, the display is continuously powering on
>>> >> > and off -- at no point is any image visible on the screen (I am
>>> >> > expecting to see the console output).  The display connected to the
>>> >> > HDMI output is working fine.
>>> [...]
>> Hmm. You said VGA has the problem, but HDMI does not. Was the problem
>> happening even when you have both displays enabled at the same time, or
>> just when VGA was enabled alone?
>
> When I boot with HDMI cable disconnected, there is no change in behaviour
> for the VGA output.

Clarification: normally both displays are connected.  So the original issue is
that only one of two displays are working.