[PATCH 07/19] drm/i915/dp: Factor out intel_dp_update_sink_caps()

[Shankar, Uma]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Imre
> Deak
> Sent: Tuesday, January 23, 2024 3:59 PM
> To: intel-gfx at lists.freedesktop.org
> Cc: dri-devel at lists.freedesktop.org
> Subject: [PATCH 07/19] drm/i915/dp: Factor out intel_dp_update_sink_caps()
> 
> Factor out a function updating the sink's link rate and lane count capabilities, used
> by a follow-up patch enabling the DP tunnel BW allocation mode.

Looks good to me.
Reviewed-by: Uma Shankar <uma.shankar at intel.com>

> Signed-off-by: Imre Deak <imre.deak at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 11 ++++++++---
> drivers/gpu/drm/i915/display/intel_dp.h |  1 +
>  2 files changed, 9 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index f40706c5d1aad..23434d0aba188 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -3949,6 +3949,13 @@ intel_dp_has_sink_count(struct intel_dp *intel_dp)
>  					  &intel_dp->desc);
>  }
> 
> +void intel_dp_update_sink_caps(struct intel_dp *intel_dp) {
> +	intel_dp_set_sink_rates(intel_dp);
> +	intel_dp_set_max_sink_lane_count(intel_dp);
> +	intel_dp_set_common_rates(intel_dp);
> +}
> +
>  static bool
>  intel_dp_get_dpcd(struct intel_dp *intel_dp)  { @@ -3965,9 +3972,7 @@
> intel_dp_get_dpcd(struct intel_dp *intel_dp)
>  		drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc,
>  				 drm_dp_is_branch(intel_dp->dpcd));
> 
> -		intel_dp_set_sink_rates(intel_dp);
> -		intel_dp_set_max_sink_lane_count(intel_dp);
> -		intel_dp_set_common_rates(intel_dp);
> +		intel_dp_update_sink_caps(intel_dp);
>  	}
> 
>  	if (intel_dp_has_sink_count(intel_dp)) { diff --git
> a/drivers/gpu/drm/i915/display/intel_dp.h
> b/drivers/gpu/drm/i915/display/intel_dp.h
> index a7906d8738c4a..49553e43add22 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.h
> +++ b/drivers/gpu/drm/i915/display/intel_dp.h
> @@ -106,6 +106,7 @@ int intel_dp_config_required_rate(const struct
> intel_crtc_state *crtc_state);  int intel_dp_rate_select(struct intel_dp *intel_dp,
> int rate);  int intel_dp_max_common_rate(struct intel_dp *intel_dp);  int
> intel_dp_max_common_lane_count(struct intel_dp *intel_dp);
> +void intel_dp_update_sink_caps(struct intel_dp *intel_dp);
> 
>  void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
>  			   u8 *link_bw, u8 *rate_select);
> --
> 2.39.2