On Sat, Jun 1, 2013 at 5:13 AM, Andy Furniss <adf.lists@xxxxxxxxx> 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;
Alex
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