Re: [PATCH] drm/edid: Add both 60Hz and 59.94Hz CEA modes to connector's mode list

[Andy Furniss <adf.lists@gmail.com>]

Alex Deucher wrote:
> On Sat, Jun 1, 2013 at 5:13 AM, Andy Furniss <adf.lists@gmail.com> wrote:
>> Daniel Vetter wrote:
>>
>>> Interlaced modes are supported on all intel platforms (except i8xx, hw
>>> can't do it there) and we have full support for CEA modes.
>>> -Daniel
>>
>>
>> OK, thanks, I guess it's an AMD driver issue rather than a more generic drm
>> thing then.
>
> You might try removing this chunk of code in radeon_atom_mode_fixup()
> in atombios_encoders.c
>
>          /* hw bug */
>          if ((mode->flags & DRM_MODE_FLAG_INTERLACE)
>              && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2)))
>                  adjusted_mode->crtc_vsync_start =
> adjusted_mode->crtc_vdisplay + 2;

Thanks, but it doesn't make any difference.

To slightly correct what I said earlier when describing what I see -

at 1920x1080i the right quarter of the bottom line is rendering repeated 
x4 as the top line.