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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id DD2D3D2E02E for ; Wed, 23 Oct 2024 09:28:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 82F2D10E7A2; Wed, 23 Oct 2024 09:28:25 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ihZKza0Z"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F37F10E7A2 for ; Wed, 23 Oct 2024 09:28:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729675704; x=1761211704; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8ov75Rafbf6KVrsC4En1wrAI80EXVmJ4uRyyHSSGb2w=; b=ihZKza0ZesWxfT4sT+4GeorZXAPtgLIBfIvCFGZD83tn8145MgG61L30 SRxz36TFwfdYR3eSiAQex0dl+zuH4VefpNDP6eutUOENtIdyS/q/YKdBO 2f6CjUeE67AHLjKVmUbNR4HLXOf+i5lGH5dxSDD87nmGhYmv00ztq2VD2 lQh9nEQZqfFz+UYiYpdX0Wp//mBFD6YMYtCKYGF2fjBbA/VtXZLIjEjuJ shHAzCBMDSZk8gq+zo5qhzYKrQeXyRUhNdMr5InLrMLnt1nsas1jP7zzw Gzcz+WlJ32lXQrTcicPoRkzoVLu6n8+bP4RonJqjOp14GPMoH7x/H6F83 Q==; X-CSE-ConnectionGUID: 0L3Tf+p1Sh6+RQlaE/TQ4Q== X-CSE-MsgGUID: 3j5b2Ir1SdWAm6pOY4ygqw== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="29366732" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="29366732" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2024 02:28:24 -0700 X-CSE-ConnectionGUID: CvFHC6xFQhmMIQinvjVITA== X-CSE-MsgGUID: h7TTFDeDRoS3Z1teDvLRSA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,225,1725346800"; d="scan'208";a="110940061" Received: from bergbenj-mobl1.ger.corp.intel.com (HELO intel.com) ([10.245.246.69]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2024 02:28:22 -0700 Date: Wed, 23 Oct 2024 11:28:19 +0200 From: Andi Shyti To: Nitin Gote Cc: intel-gfx@lists.freedesktop.org, chris.p.wilson@intel.com, nirmoy.das@intel.com Subject: Re: [PATCH v1] drm/i915/gt: Use ENGINE_TRACE for tracing. Message-ID: References: <20241023064829.3048622-1-nitin.r.gote@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241023064829.3048622-1-nitin.r.gote@intel.com> 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Nitin, On Wed, Oct 23, 2024 at 12:18:29PM +0530, Nitin Gote wrote: > Instead of drm_err(), use ENGINE_TRACE for tracing. Patch looks good, but can you please be a bit more specific in the log why ENGINE_TRACE() is preferrable over drm_err? Thanks, Andi > Signed-off-by: Nitin Gote > --- > .../gpu/drm/i915/gt/intel_ring_submission.c | 20 +++++++++---------- > 1 file changed, 10 insertions(+), 10 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c > index 32f3b52a183a..74d6a2b703ac 100644 > --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c > +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c > @@ -282,16 +282,16 @@ static int xcs_resume(struct intel_engine_cs *engine) > return 0; > > err: > - drm_err(&engine->i915->drm, > - "%s initialization failed; " > - "ctl %08x (valid? %d) head %08x [%08x] tail %08x [%08x] start %08x [expected %08x]\n", > - engine->name, > - ENGINE_READ(engine, RING_CTL), > - ENGINE_READ(engine, RING_CTL) & RING_VALID, > - ENGINE_READ(engine, RING_HEAD), ring->head, > - ENGINE_READ(engine, RING_TAIL), ring->tail, > - ENGINE_READ(engine, RING_START), > - i915_ggtt_offset(ring->vma)); > + ENGINE_TRACE(engine, > + "initialization failed; " > + "ctl %08x (valid? %d) head %08x [%08x] tail %08x [%08x] start %08x [expected %08x]\n", > + ENGINE_READ(engine, RING_CTL), > + ENGINE_READ(engine, RING_CTL) & RING_VALID, > + ENGINE_READ(engine, RING_HEAD), ring->head, > + ENGINE_READ(engine, RING_TAIL), ring->tail, > + ENGINE_READ(engine, RING_START), > + i915_ggtt_offset(ring->vma)); > + GEM_TRACE_DUMP(); > return -EIO; > } > > -- > 2.25.1