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

[Ville Syrjälä]

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