Can this be merged? It has a r-b from  Jani Nikula.

On Thu, Jun 08, 2017 at 01:41:02PM -0700, Manasi Navare wrote:
> This function now takes the link rate and lane ocunt to be validated
> as an argument so that this can be used for validating even the
> compliance test link parameters.
> 
> Signed-off-by: Manasi Navare <[email protected]>
> Cc: Ville Syrjala <[email protected]>
> Cc: Jani Nikula <[email protected]>
> Reviewed-by: Jani Nikula <[email protected]>
> ---
>  drivers/gpu/drm/i915/intel_dp.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index db51338..dd01ab8 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -322,19 +322,20 @@ static int intel_dp_common_len_rate_limit(struct 
> intel_dp *intel_dp,
>       return 0;
>  }
>  
> -static bool intel_dp_link_params_valid(struct intel_dp *intel_dp)
> +static bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int 
> link_rate,
> +                                    uint8_t lane_count)
>  {
>       /*
>        * FIXME: we need to synchronize the current link parameters with
>        * hardware readout. Currently fast link training doesn't work on
>        * boot-up.
>        */
> -     if (intel_dp->link_rate == 0 ||
> -         intel_dp->link_rate > intel_dp->max_link_rate)
> +     if (link_rate == 0 ||
> +         link_rate > intel_dp->max_link_rate)
>               return false;
>  
> -     if (intel_dp->lane_count == 0 ||
> -         intel_dp->lane_count > intel_dp_max_lane_count(intel_dp))
> +     if (lane_count == 0 ||
> +         lane_count > intel_dp_max_lane_count(intel_dp))
>               return false;
>  
>       return true;
> @@ -4260,7 +4261,8 @@ intel_dp_check_link_status(struct intel_dp *intel_dp)
>        * Validate the cached values of intel_dp->link_rate and
>        * intel_dp->lane_count before attempting to retrain.
>        */
> -     if (!intel_dp_link_params_valid(intel_dp))
> +     if (!intel_dp_link_params_valid(intel_dp, intel_dp->link_rate,
> +                                     intel_dp->lane_count))
>               return;
>  
>       /* Retrain if Channel EQ or CR not ok */
> -- 
> 2.1.4
> 
_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to