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 7165CC433FE for ; Fri, 14 Oct 2022 15:38:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1622B10EB26; Fri, 14 Oct 2022 15:38:40 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id AA8AC10EB26 for ; Fri, 14 Oct 2022 15:38:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1665761914; x=1697297914; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=c+IiK8NE9sHF5RL8IDUsterA8yvk06vQOXwX9W4GCOg=; b=kcisvjTwmStCRrtUqrWUssLQ5xFI815scTbkCRkn5gUvgY5bWVI9uOKi gA2Cf7iygJXEtFb/hjlDF3uJ7m7xLg/Bp+ZkRA2FAUchSLZ9YDqAiC3rD hfMRSuuYSmFlRbDbFK8DI4Ezqb6nmin1k8BCYkR3pzeCesjnf5k5gixcx hPpNLqqsMbhru2JmGRl1fOcMBjIMEzYawAVtdwiB/Vv7POqZREw5qdVvY cRYXr92qJzY9bgMQcCmpdhUaCIIRWM4hRUuxbvDBPxrnn1vf4aqPximSy 5YH8xxTbn5wcRjSyQ1Q2QP8GUF5eM3lkDbysxmlhUqroNbfkTr4s8lsGh A==; X-IronPort-AV: E=McAfee;i="6500,9779,10500"; a="367422819" X-IronPort-AV: E=Sophos;i="5.95,184,1661842800"; d="scan'208";a="367422819" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2022 08:38:34 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10500"; a="578665830" X-IronPort-AV: E=Sophos;i="5.95,184,1661842800"; d="scan'208";a="578665830" Received: from lgleeson-mobl.ger.corp.intel.com (HELO localhost) ([10.252.43.239]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2022 08:38:32 -0700 From: Jani Nikula To: Nirmoy Das , intel-gfx@lists.freedesktop.org In-Reply-To: <20221014152525.7683-1-nirmoy.das@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20221014152525.7683-1-nirmoy.das@intel.com> Date: Fri, 14 Oct 2022 18:38:49 +0300 Message-ID: <87fsfqs9di.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Intel-gfx] [PATCH] drm/i915: Print return value on error 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: Nirmoy Das Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Fri, 14 Oct 2022, Nirmoy Das wrote: > Print returned error code for better debuggability. > > References: https://gitlab.freedesktop.org/drm/intel/-/issues/7211 > Signed-off-by: Nirmoy Das > --- > drivers/gpu/drm/i915/display/intel_fbdev.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c > index 112aa0447a0d..015a854d9bec 100644 > --- a/drivers/gpu/drm/i915/display/intel_fbdev.c > +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c > @@ -175,7 +175,7 @@ static int intelfb_alloc(struct drm_fb_helper *helper, > } > > if (IS_ERR(obj)) { > - drm_err(&dev_priv->drm, "failed to allocate framebuffer\n"); > + drm_err(&dev_priv->drm, "failed to allocate framebuffer(err = %pe)\n", obj); Nitpick, space before (. With %pe, not sure if the "err =" part is necessary either. failed to allocate framebuffer (err = -ENOMEM) vs. failed to allocate framebuffer (-ENOMEM) Ditto below. BR, Jani. > return PTR_ERR(obj); > } > > @@ -256,7 +256,7 @@ static int intelfb_create(struct drm_fb_helper *helper, > > info = drm_fb_helper_alloc_fbi(helper); > if (IS_ERR(info)) { > - drm_err(&dev_priv->drm, "Failed to allocate fb_info\n"); > + drm_err(&dev_priv->drm, "Failed to allocate fb_info(err = %pe)\n", info); > ret = PTR_ERR(info); > goto out_unpin; > } > @@ -291,7 +291,7 @@ static int intelfb_create(struct drm_fb_helper *helper, > vaddr = i915_vma_pin_iomap(vma); > if (IS_ERR(vaddr)) { > drm_err(&dev_priv->drm, > - "Failed to remap framebuffer into virtual memory\n"); > + "Failed to remap framebuffer into virtual memory (err = %pe)\n", vaddr); > ret = PTR_ERR(vaddr); > goto out_unpin; > } -- Jani Nikula, Intel Open Source Graphics Center