From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6B15C2D0CE for ; Tue, 21 Jan 2020 14:32:58 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A396524653 for ; Tue, 21 Jan 2020 14:32:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A396524653 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 416256ED20; Tue, 21 Jan 2020 14:32:58 +0000 (UTC) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2CC666ED20 for ; Tue, 21 Jan 2020 14:32:57 +0000 (UTC) X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Jan 2020 06:32:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,346,1574150400"; d="scan'208";a="221719547" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by fmsmga008.fm.intel.com with SMTP; 21 Jan 2020 06:32:53 -0800 Received: by stinkbox (sSMTP sendmail emulation); Tue, 21 Jan 2020 16:32:52 +0200 Date: Tue, 21 Jan 2020 16:32:52 +0200 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: Jani Nikula Message-ID: <20200121143252.GB13686@intel.com> References: <20200117150235.22471-1-jani.nikula@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200117150235.22471-1-jani.nikula@intel.com> X-Patchwork-Hint: comment User-Agent: Mutt/1.10.1 (2018-07-13) Subject: Re: [Intel-gfx] [PATCH] drm/i915/dp: debug log max vswing and pre-emphasis X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Fri, Jan 17, 2020 at 05:02:35PM +0200, Jani Nikula wrote: > Provide slightly more debugging help. > = > Signed-off-by: Jani Nikula Reviewed-by: Ville Syrj=E4l=E4 > --- > drivers/gpu/drm/i915/display/intel_dp.c | 13 ++++++++----- > 1 file changed, 8 insertions(+), 5 deletions(-) > = > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i9= 15/display/intel_dp.c > index 4074d83b1a5f..c26be4421f01 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -4142,11 +4142,14 @@ intel_dp_set_signal_levels(struct intel_dp *intel= _dp) > if (mask) > DRM_DEBUG_KMS("Using signal levels %08x\n", signal_levels); > = > - DRM_DEBUG_KMS("Using vswing level %d\n", > - train_set & DP_TRAIN_VOLTAGE_SWING_MASK); > - DRM_DEBUG_KMS("Using pre-emphasis level %d\n", > - (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) >> > - DP_TRAIN_PRE_EMPHASIS_SHIFT); > + DRM_DEBUG_KMS("Using vswing level %d%s\n", > + train_set & DP_TRAIN_VOLTAGE_SWING_MASK, > + train_set & DP_TRAIN_MAX_SWING_REACHED ? " (max)" : ""); > + DRM_DEBUG_KMS("Using pre-emphasis level %d%s\n", > + (train_set & DP_TRAIN_PRE_EMPHASIS_MASK) >> > + DP_TRAIN_PRE_EMPHASIS_SHIFT, > + train_set & DP_TRAIN_MAX_PRE_EMPHASIS_REACHED ? > + " (max)" : ""); > = > intel_dp->DP =3D (intel_dp->DP & ~mask) | signal_levels; > = > -- = > 2.20.1 > = > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx -- = Ville Syrj=E4l=E4 Intel _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx