Hi,

On Mon, Feb 11, 2019 at 08:21:31PM +0100, Jernej Škrabec wrote:
> > +	reg = 0;
> > +	/*
> > +	 * FIXME: This bit tells the video engine to use the default
> > +	 * quantization matrices. This will obviously need to be
> > +	 * changed to support the profiles supporting custom
> > +	 * quantization matrices.
> > +	 */
> > +	reg |= VE_H264_SHS_QP_SCALING_MATRIX_DEFAULT;
> 
> This flag should not be needed anymore. From what I see, you correctly set 
> scaling matrix every time.

The scaling matrix control is optional, so I guess we should protect
that by a check on whether that control has been set or not. What do
you think?

Thanks!
Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com