From patchwork Thu Jun 22 09:21:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13288830 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 361ACEB64DA for ; Thu, 22 Jun 2023 09:23:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B87FA10E51B; Thu, 22 Jun 2023 09:22:50 +0000 (UTC) Received: from michel.telenet-ops.be (michel.telenet-ops.be [IPv6:2a02:1800:110:4::f00:18]) by gabe.freedesktop.org (Postfix) with ESMTPS id DD67B10E501 for ; Thu, 22 Jun 2023 09:22:45 +0000 (UTC) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed20:991a:a831:ea4b:6058]) by michel.telenet-ops.be with bizsmtp id C9Nj2A00H1yfRTD069NjCz; Thu, 22 Jun 2023 11:22:43 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1qCGWX-000BwA-Mv; Thu, 22 Jun 2023 11:22:43 +0200 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1qCGWZ-003Vwj-9x; Thu, 22 Jun 2023 11:22:43 +0200 From: Geert Uytterhoeven To: Laurent Pinchart , Kieran Bingham , David Airlie , Daniel Vetter , Thomas Zimmermann , Magnus Damm Subject: [PATCH 15/39] drm: renesas: shmobile: Improve error handling Date: Thu, 22 Jun 2023 11:21:27 +0200 Message-Id: <100c650ab37ae09a142a93afa3734400a6a96757.1687423204.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-renesas-soc@vger.kernel.org, Geert Uytterhoeven , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Prepare for DT conversion, where panel probe can be deferred, by streamlining error propagation and handling: - Use dev_err_probe() to avoid printing error messages in case of probe deferral, - Propagate errors where needed. Signed-off-by: Geert Uytterhoeven Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 3 ++- drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c | 14 +++++++++++--- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c index 9aa9800899976a23..50fca18282c5cb5e 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -228,7 +228,8 @@ static int shmob_drm_probe(struct platform_device *pdev) ret = shmob_drm_modeset_init(sdev); if (ret < 0) { - dev_err(&pdev->dev, "failed to initialize mode setting\n"); + dev_err_probe(&pdev->dev, ret, + "failed to initialize mode setting\n"); goto err_free_drm_dev; } diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c index 3051318ddc7999bc..1a62e7f8a8a9e6df 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_kms.c @@ -157,9 +157,17 @@ int shmob_drm_modeset_init(struct shmob_drm_device *sdev) if (ret) return ret; - shmob_drm_crtc_create(sdev); - shmob_drm_encoder_create(sdev); - shmob_drm_connector_create(sdev, &sdev->encoder); + ret = shmob_drm_crtc_create(sdev); + if (ret < 0) + return ret; + + ret = shmob_drm_encoder_create(sdev); + if (ret < 0) + return ret; + + ret = shmob_drm_connector_create(sdev, &sdev->encoder); + if (ret < 0) + return ret; drm_kms_helper_poll_init(sdev->ddev);