drm/i915/dp: Export intel_dp_max_common_rate/lane_count()

Export intel_dp_max_common_rate() and intel_dp_max_lane_count() used by
a follow-up patch enabling the DP tunnel BW allocation mode.

Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240220211841.448846-8-imre.deak@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index c7e3e4e..20e04cb 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -309,7 +309,7 @@ static int intel_dp_common_rate(struct intel_dp *intel_dp, int index)
 }
 
 /* Theoretical max between source and sink */
-static int intel_dp_max_common_rate(struct intel_dp *intel_dp)
+int intel_dp_max_common_rate(struct intel_dp *intel_dp)
 {
        return intel_dp_common_rate(intel_dp, intel_dp->num_common_rates - 1);
 }
@@ -326,7 +326,7 @@ static int intel_dp_max_source_lane_count(struct intel_digital_port *dig_port)
 }
 
 /* Theoretical max between source and sink */
-static int intel_dp_max_common_lane_count(struct intel_dp *intel_dp)
+int intel_dp_max_common_lane_count(struct intel_dp *intel_dp)
 {
        struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
        int source_max = intel_dp_max_source_lane_count(dig_port);

diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 4667870..ee0600b 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -102,6 +102,8 @@ int intel_dp_max_link_rate(struct intel_dp *intel_dp);
 int intel_dp_max_lane_count(struct intel_dp *intel_dp);
 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_compute_rate(struct intel_dp *intel_dp, int port_clock,
                           u8 *link_bw, u8 *rate_select);