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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 DBF35C4338F for ; Mon, 16 Aug 2021 12:10:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE72A63244 for ; Mon, 16 Aug 2021 12:10:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232167AbhHPMKq (ORCPT ); Mon, 16 Aug 2021 08:10:46 -0400 Received: from mga02.intel.com ([134.134.136.20]:2366 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229836AbhHPMKp (ORCPT ); Mon, 16 Aug 2021 08:10:45 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10077"; a="203047890" X-IronPort-AV: E=Sophos;i="5.84,324,1620716400"; d="scan'208";a="203047890" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2021 05:10:10 -0700 X-IronPort-AV: E=Sophos;i="5.84,324,1620716400"; d="scan'208";a="519629221" Received: from ifridman-mobl.ger.corp.intel.com (HELO localhost) ([10.251.210.77]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2021 05:10:05 -0700 From: Jani Nikula To: "Sharma\, Swati2" , intel-gfx@lists.freedesktop.org Cc: Ankit Nautiyal , Uma Shankar , Ville Syrj_l_ , Imre Deak , Manasi Navare , Jos_ Roberto de Souza , Sean Paul , stable@vger.kernel.org Subject: Re: [PATCH] drm/i915/display: Drop redundant debug print In-Reply-To: <04e2728f-a5e3-a8ee-9fdc-9affe753b59e@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20210812125845.27787-1-swati2.sharma@intel.com> <871r6xn5wd.fsf@intel.com> <04e2728f-a5e3-a8ee-9fdc-9affe753b59e@intel.com> Date: Mon, 16 Aug 2021 15:10:02 +0300 Message-ID: <87wnolio9x.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, 16 Aug 2021, "Sharma, Swati2" wrote: > On 13-Aug-21 1:16 PM, Jani Nikula wrote: >> On Thu, 12 Aug 2021, Swati Sharma wrote: >>> drm_dp_dpcd_read/write already has debug error message. >>> Drop redundant error messages which gives false >>> status even if correct value is read in drm_dp_dpcd_read(). >> >> I guess the only problem is it gets harder to associate the preceding >> low level error messages with intel_dp_check_link_service_irq(). *shrug* >> >> Reviewed-by: Jani Nikula >> >> > Thanks Jani for the review. Can you please merge? There was another version with open review? BR, Jani. > >>> >>> Fixes: 9488a030ac91 ("drm/i915: Add support for enabling link status and recovery") >>> Cc: Swati Sharma >>> Cc: Ankit Nautiyal >>> Cc: Uma Shankar (v2) >>> Cc: Jani Nikula >>> Cc: "Ville Syrj_l_" >>> Cc: Imre Deak >>> Cc: Manasi Navare >>> Cc: Uma Shankar >>> Cc: "Jos_ Roberto de Souza" >>> Cc: Sean Paul >>> Cc: # v5.12+ >>> >>> Link: https://patchwork.freedesktop.org/patch/msgid/20201218103723.30844-12-ankit.k.nautiyal@intel.com >>> Signed-off-by: Swati Sharma >>> --- >>> drivers/gpu/drm/i915/display/intel_dp.c | 8 ++------ >>> 1 file changed, 2 insertions(+), 6 deletions(-) >>> >>> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c >>> index c386ef8eb200..5c84f51ad41d 100644 >>> --- a/drivers/gpu/drm/i915/display/intel_dp.c >>> +++ b/drivers/gpu/drm/i915/display/intel_dp.c >>> @@ -3871,16 +3871,12 @@ static void intel_dp_check_link_service_irq(struct intel_dp *intel_dp) >>> return; >>> >>> if (drm_dp_dpcd_readb(&intel_dp->aux, >>> - DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) { >>> - drm_dbg_kms(&i915->drm, "Error in reading link service irq vector\n"); >>> + DP_LINK_SERVICE_IRQ_VECTOR_ESI0, &val) != 1 || !val) >>> return; >>> - } >>> >>> if (drm_dp_dpcd_writeb(&intel_dp->aux, >>> - DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) { >>> - drm_dbg_kms(&i915->drm, "Error in writing link service irq vector\n"); >>> + DP_LINK_SERVICE_IRQ_VECTOR_ESI0, val) != 1) >>> return; >>> - } >>> >>> if (val & HDMI_LINK_STATUS_CHANGED) >>> intel_dp_handle_hdmi_link_status_change(intel_dp); >> -- Jani Nikula, Intel Open Source Graphics Center