[PATCH 04/12] gpu: imx: fix support for interlaced modes

[Fabio Estevam]

On Sat, Aug 8, 2015 at 1:03 PM, Russell King
<rmk+kernel at arm.linux.org.uk> wrote:
> The support for interlaced video modes seems to be broken; we don't use
> anything other than the vtotal/htotal from the timing information to
> define the various sync counters.
>
> Freescale patches for interlaced video support contain an alternative
> sync counter setup, which we include here.  This setup produces the
> hsync and vsync via the normal counter 2 and 3, but moves the display
> enable signal from counter 5 to counter 6.  Therefore, we need to
> change the display controller setup as well.
>
> The corresponding Freescale patches for this change are:
>   iMX6-HDMI-support-interlaced-display-mode.patch
>   IPU-fine-tuning-the-interlace-display-timing-for-CEA.patch
>
> This produces a working interlace format output from the IPU.
>
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>

Reviewed-by: Fabio Estevam <fabio.estevam at freescale.com>