[U-Boot] [PATCH] imx: nitrogen6x: mx6qsabrelite: Add support for DVI monitors

[Fabio Estevam]

Hi Eric,

On Tue, Jul 23, 2013 at 6:43 PM, Eric Nelson
<eric.nelson at boundarydevices.com> wrote:

> A little background is probably appropriate for this patch.
>
> Since "the beginning" of usage of the SABRE Lite and Nitrogen6x
> boards, DVI detection has been somewhat broken.
>
> Some (most) DVI monitors don't produce the "HPD" bit in
> the PHY_STAT0 register, but do show proper toggling of the
> RX_SENSE0..3 bits.
>
> Creating a new the bit-mask to include all five bits and
> modifying the 'hdmidet' command and internal detection
> routines allows these monitors to function properly in U-Boot.
>
> A related patch to our kernels allows things to work under
> Linux:
>
> https://github.com/boundarydevices/linux-imx6/commit/7d8752905c118af9063738a533227de0b2f6ecd4

Thanks for the excellent explanation and for finding the root cause!

It would be really nice if Robert could send a v2 adding your text
into the commit log.

Regards,

Fabio Estevam