[PATCH 12/22] drm/i915: Pass connector to intel_dp_need_bigjoiner()

[Shankar, Uma]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Ville
> Syrjala
> Sent: Friday, March 29, 2024 6:43 AM
> To: intel-gfx at lists.freedesktop.org
> Subject: [PATCH 12/22] drm/i915: Pass connector to intel_dp_need_bigjoiner()
> 
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Pass the connector explicitly to intel_dp_need_bigjoiner() so that it'll actually
> check the correct place for the bigjoiner force flag.

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

> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dp.c     | 10 ++++++----
>  drivers/gpu/drm/i915/display/intel_dp.h     |  1 +
>  drivers/gpu/drm/i915/display/intel_dp_mst.c |  5 +++--
>  3 files changed, 10 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index 6fa8fc56a39c..cbabd1924474 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -1194,10 +1194,10 @@ intel_dp_mode_valid_downstream(struct
> intel_connector *connector,  }
> 
>  bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,
> +			     struct intel_connector *connector,
>  			     int hdisplay, int clock)
>  {
>  	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
> -	struct intel_connector *connector = intel_dp->attached_connector;
> 
>  	if (!intel_dp_has_bigjoiner(intel_dp))
>  		return false;
> @@ -1241,7 +1241,8 @@ intel_dp_mode_valid(struct drm_connector
> *_connector,
>  		target_clock = fixed_mode->clock;
>  	}
> 
> -	if (intel_dp_need_bigjoiner(intel_dp, mode->hdisplay, target_clock)) {
> +	if (intel_dp_need_bigjoiner(intel_dp, connector,
> +				    mode->hdisplay, target_clock)) {
>  		bigjoiner = true;
>  		max_dotclk *= 2;
>  	}
> @@ -2409,7 +2410,7 @@ intel_dp_compute_link_config(struct intel_encoder
> *encoder,  {
>  	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
>  	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
> -	const struct intel_connector *connector =
> +	struct intel_connector *connector =
>  		to_intel_connector(conn_state->connector);
>  	const struct drm_display_mode *adjusted_mode =
>  		&pipe_config->hw.adjusted_mode;
> @@ -2422,7 +2423,8 @@ intel_dp_compute_link_config(struct intel_encoder
> *encoder,
>  	    !intel_dp_supports_fec(intel_dp, connector, pipe_config))
>  		return -EINVAL;
> 
> -	if (intel_dp_need_bigjoiner(intel_dp, adjusted_mode->crtc_hdisplay,
> +	if (intel_dp_need_bigjoiner(intel_dp, connector,
> +				    adjusted_mode->crtc_hdisplay,
>  				    adjusted_mode->crtc_clock))
>  		pipe_config->bigjoiner_pipes = GENMASK(crtc->pipe + 1, crtc-
> >pipe);
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.h
> b/drivers/gpu/drm/i915/display/intel_dp.h
> index d5697b99ac21..cd6969d05fe3 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.h
> +++ b/drivers/gpu/drm/i915/display/intel_dp.h
> @@ -150,6 +150,7 @@ u8 intel_dp_dsc_get_slice_count(const struct
> intel_connector *connector,
>  				int mode_clock, int mode_hdisplay,
>  				bool bigjoiner);
>  bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,
> +			     struct intel_connector *connector,
>  			     int hdisplay, int clock);
> 
>  static inline unsigned int intel_dp_unused_lane_mask(int lane_count) diff --git
> a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index 1cf6241a7d53..a3b0026adb2d 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -527,7 +527,7 @@ static int intel_dp_mst_compute_config(struct
> intel_encoder *encoder,
>  	struct intel_atomic_state *state = to_intel_atomic_state(conn_state-
> >state);
>  	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
>  	struct intel_dp *intel_dp = &intel_mst->primary->dp;
> -	const struct intel_connector *connector =
> +	struct intel_connector *connector =
>  		to_intel_connector(conn_state->connector);
>  	const struct drm_display_mode *adjusted_mode =
>  		&pipe_config->hw.adjusted_mode;
> @@ -1342,7 +1342,8 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector
> *connector,
>  		*status = MODE_CLOCK_HIGH;
>  		return 0;
>  	}
> -	if (intel_dp_need_bigjoiner(intel_dp, mode->hdisplay, target_clock)) {
> +	if (intel_dp_need_bigjoiner(intel_dp, intel_connector,
> +				    mode->hdisplay, target_clock)) {
>  		bigjoiner = true;
>  		max_dotclk *= 2;
> 
> --
> 2.43.2