drm/i915/bios: add intel_bios_dp_max_link_rate() (f83acdab) · Commits · 戴 / test

drivers/gpu/drm/i915/display/intel_bios.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -2592,3 +2592,10 @@ int intel_bios_hdmi_boost_level(struct intel_encoder *encoder)

		return i915->vbt.ddi_port_info[encoder->port].hdmi_boost_level;
		}

		int intel_bios_dp_max_link_rate(struct intel_encoder *encoder)
		{
		struct drm_i915_private *i915 = to_i915(encoder->base.dev);

		return i915->vbt.ddi_port_info[encoder->port].dp_max_link_rate;
		}

+1 −0

Original line number	Diff line number	Diff line
		@@ -251,5 +251,6 @@ int intel_bios_max_tmds_clock(struct intel_encoder *encoder);
		int intel_bios_hdmi_level_shift(struct intel_encoder *encoder);
		int intel_bios_dp_boost_level(struct intel_encoder *encoder);
		int intel_bios_hdmi_boost_level(struct intel_encoder *encoder);
		int intel_bios_dp_max_link_rate(struct intel_encoder *encoder);

		#endif /* _INTEL_BIOS_H_ */

+3 −3

Original line number	Diff line number	Diff line
		@@ -323,11 +323,10 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
		162000, 270000
		};
		struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
		struct intel_encoder *encoder = &dig_port->base;
		struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
		const struct ddi_vbt_port_info *info =
		&dev_priv->vbt.ddi_port_info[dig_port->base.port];
		const int *source_rates;
		int size, max_rate = 0, vbt_max_rate = info->dp_max_link_rate;
		int size, max_rate = 0, vbt_max_rate;

		/* This should only be done once */
		WARN_ON(intel_dp->source_rates \|\| intel_dp->num_source_rates);
		@@ -354,6 +353,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
		size = ARRAY_SIZE(g4x_rates);
		}

		vbt_max_rate = intel_bios_dp_max_link_rate(encoder);
		if (max_rate && vbt_max_rate)
		max_rate = min(max_rate, vbt_max_rate);
		else if (vbt_max_rate)