drm/i915/dp: Export intel_dp_dsc_min_src_compressed_bpp()

Export the function that can be used by a follow-up change to query the
minimum compressed link bpp supported by the HW.

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250509180340.554867-11-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 eb3898a49d1cafa16afff78bb9a7e52824b6ca47..3021395dead2de0051b6b5bf4e8f2ed99f6af726 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2071,7 +2071,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector
                                                       pipe_config, bpc) >> 4;
 }
 
-static int dsc_src_min_compressed_bpp(void)
+int intel_dp_dsc_min_src_compressed_bpp(void)
 {
        /* Min Compressed bpp supported by source is 8 */
        return 8;
@@ -2482,7 +2482,7 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp,
                int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp;
                int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp;
 
-               dsc_src_min_bpp = dsc_src_min_compressed_bpp();
+               dsc_src_min_bpp = intel_dp_dsc_min_src_compressed_bpp();
                dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(crtc_state);
                dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp);
                limits->link.min_bpp_x16 = fxp_q4_from_int(dsc_min_bpp);

diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 2fe6720a88fc1ad4e68f18762cd9f2b3005f0e81..0b8a9b939070fa3f2af3f6ceb087dfa652495074 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -208,6 +208,7 @@ bool intel_dp_has_connector(struct intel_dp *intel_dp,
                            const struct drm_connector_state *conn_state);
 int intel_dp_dsc_max_src_input_bpc(struct intel_display *display);
 int intel_dp_dsc_min_src_input_bpc(void);
+int intel_dp_dsc_min_src_compressed_bpp(void);
 int intel_dp_compute_min_hblank(struct intel_crtc_state *crtc_state,
                                const struct drm_connector_state *conn_state);