Display hotplug

Display hotplug

[James Courtier-Dutton]

Hi,

Does anyone know when X will support display hotplug?
I have a PC connected via HDMI to a TV.
Unless I turn the TV on first, I have to reboot the PC before it
displays anything on the HDMI TV.

Kind Regards

James

Re: Display hotplug

[Steve Kerrison]

Hi James,

When I plug my laptop's (Toshiba R630, Intel i3 with integrated on-die
graphics) HDMI port into a TV, the display manager in Ubuntu is able to
detect it and, after a click or two, mirror or extended-desktop to it.

So I would say the answer is... it already does. It's more likely that
your distribution doesn't have the tools you need to do what you want,
or the driver for your graphics device needs some work :)

And I don't think this problem falls into the remit of linux-media;
graphics drivers are dealt with elsewhere, aren't they?
-- 
Steve Kerrison MEng Hons.
http://www.stevekerrison.com/ 

On Tue, 2011-10-25 at 10:09 +0100, James Courtier-Dutton wrote:
> Hi,
> 
> Does anyone know when X will support display hotplug?
> I have a PC connected via HDMI to a TV.
> Unless I turn the TV on first, I have to reboot the PC before it
> displays anything on the HDMI TV.
> 
> Kind Regards
> 
> James
> --
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Re: Display hotplug

[Alex Deucher]

On Tue, Oct 25, 2011 at 5:09 AM, James Courtier-Dutton
<james.dutton@gmail.com> wrote:
> Hi,
>
> Does anyone know when X will support display hotplug?
> I have a PC connected via HDMI to a TV.
> Unless I turn the TV on first, I have to reboot the PC before it
> displays anything on the HDMI TV.

It's be supported on all modern KMS drivers (radeon, intel, nouveau)
assuming you have a recent enough userspace to deal with the hotplug
uevents.

Alex