[Intel-gfx] [PATCH 04/10] drm/uapi: Deprecate DRM_MODE_FLAG_BCAST

[Jose Abreu]

On 14-11-2017 18:32, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Reject any mode with DRM_MODE_FLAG_BCAST. We have no code that even
> checks for this flag hence it can't possibly do any good.
>
> I think this maybe originated from fbdev where it was supposed to
> indicate PAL/NTSC broadcast timings. I have no idea why those would
> have to be identified by a flag rather than by just the timings
> themselves. And then I assume it got copied into xfree86 for
> fbdevhw, and later on it leaked into the randr protocol and kms uapi.
>
> Since kms fbdev emulation never uses the corresponding fbdev flag
> there should be no sane way for this to come back into kms via
> userspace either.
>
> Cc: Jose Abreu <Jose.Abreu at synopsys.com>
> Cc: Adam Jackson <ajax at redhat.com>
> Cc: Keith Packard <keithp at keithp.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
>

Reviewed-by: Jose Abreu <joabreu at synopsys.com>

Best Regards,
Jose Miguel Abreu