[PATCH] imx-drm: imx-hdmi: fix hdmi hotplug detection initial state

Fabio Estevam festevam at gmail.com
Mon Jun 9 13:44:14 UTC 2014


Russell,

On Fri, Jun 6, 2014 at 10:56 AM, Russell King
<rmk+kernel at arm.linux.org.uk> wrote:
> The initial state at boot is assumed to be disconnected, and we hope
> to receive an interrupt to update the status.  Let's be more explicit
> about the current state - reading the PHY status register tells us
> the current level of the hotplug signal, which we can report back in
> the _detect() method.
>
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>

I have applied this patch against 3.15 and I still have the following
issue on a mx6qsabresd:

If I boot the kernel with the HDMI cable connected, no HDMI image
comes up. In order to get HDMI working I need to remove and then
reconnect the cable.

Still haven't had a chance to debug this though.


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