[Intel-gfx] [PATCH] drm/i915/dp: Fix link compute m_n calc for DSC

[Manasi Navare]

Thanks fo rthe reviw, pushed to dinq!

Manasi


On Mon, Dec 03, 2018 at 02:05:42PM +0200, Ville Syrjälä wrote:
> On Fri, Nov 30, 2018 at 05:04:12PM -0800, Manasi Navare wrote:
> > Fix the intel_link_compute_m_n in case of display stream
> > compression. This patch passes the compressed_bpp to
> > intel_link_compute_m_n if compression is enabled.
> > 
> > Fixes: a4a157777c80 ("drm/i915/dp: Compute DSC pipe config in atomic check")
> > Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
> > Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> > Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
> 
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> > ---
> >  drivers/gpu/drm/i915/intel_dp.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> > index 38a6e82153fd..a6907a1761ab 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -2173,7 +2173,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
> >  				       &pipe_config->dp_m_n,
> >  				       constant_n);
> >  	else
> > -		intel_link_compute_m_n(pipe_config->dsc_params.compression_enable,
> > +		intel_link_compute_m_n(pipe_config->dsc_params.compressed_bpp,
> >  				       pipe_config->lane_count,
> >  				       adjusted_mode->crtc_clock,
> >  				       pipe_config->port_clock,
> > -- 
> > 2.19.1
> 
> -- 
> Ville Syrjälä
> Intel