From: Imre Deak Date: Mon, 9 Sep 2024 13:56:27 +0000 (+0300) Subject: drm/i915/dp: Dump the LTTPR PHY descriptors X-Git-Tag: v6.13-rc1~122^2~19^2~189 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d04d2348f5aa891a677424a88c690ae47cb05c6f;p=thirdparty%2Fkernel%2Flinux.git drm/i915/dp: Dump the LTTPR PHY descriptors Dump the descriptor of the detected LTTPRs in non-transparent mode to help the debugging related to LTTPRs easier. v2: Use drm_dp_dump_lttpr_desc() instead of the driver specific equivalent. v3: Add empty line between license and header section. (Ankit) v4: Don't include drm_dp_helper.h twice. (Jani) Cc: Jani Nikula Reviewed-by: Ville Syrjälä # v1 Reviewed-by: Ankit Nautiyal Signed-off-by: Imre Deak Link: https://patchwork.freedesktop.org/patch/msgid/20240909135627.2926906-1-imre.deak@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index f45797c1a2051..abe7b9c035d20 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -210,8 +210,10 @@ static int intel_dp_init_lttpr(struct intel_dp *intel_dp, const u8 dpcd[DP_RECEI lttpr_count = intel_dp_init_lttpr_phys(intel_dp, dpcd); - for (i = 0; i < lttpr_count; i++) + for (i = 0; i < lttpr_count; i++) { intel_dp_read_lttpr_phy_caps(intel_dp, dpcd, DP_PHY_LTTPR(i)); + drm_dp_dump_lttpr_desc(&intel_dp->aux, DP_PHY_LTTPR(i)); + } return lttpr_count; }