drm/amd/display: Add logging for eDP v1.4 supported sink rates

Include eDP v1.4 panels supported sink rates in debug output,
useful info for knowing optimized link rates

Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Cc: Jerry Zuo <jerry.zuo@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
index 577f74cc50fb48533c224d2768a6c9130fea22dc..f46864630506feab1b02bc35ce907423349b28af 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
@@ -1951,6 +1951,9 @@ void detect_edp_sink_caps(struct dc_link *link)
                        link_rate_in_khz = (supported_link_rates[entry+1] * 0x100 +
                                                                                supported_link_rates[entry]) * 200;
 
+                       DC_LOG_DC("%s: eDP v1.4 supported sink rates: [%d] %d kHz\n", __func__,
+                                 entry / 2, link_rate_in_khz);
+
                        if (link_rate_in_khz != 0) {
                                link_rate = linkRateInKHzToLinkRateMultiplier(link_rate_in_khz);
                                link->dpcd_caps.edp_supported_link_rates[link->dpcd_caps.edp_supported_link_rates_count] = link_rate;