From patchwork Tue Jul 18 16:54:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13317495 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 A4BBBC00528 for ; Tue, 18 Jul 2023 16:55:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7DAB589F63; Tue, 18 Jul 2023 16:55:04 +0000 (UTC) Received: from laurent.telenet-ops.be (laurent.telenet-ops.be [IPv6:2a02:1800:110:4::f00:19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 707F310E38F for ; Tue, 18 Jul 2023 16:54:54 +0000 (UTC) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed40:5803:2d6d:5bbc:e252]) by laurent.telenet-ops.be with bizsmtp id Ngur2A0070ucMBo01gurj7; Tue, 18 Jul 2023 18:54:53 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1qLnyD-001nYU-Aw; Tue, 18 Jul 2023 18:54:51 +0200 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1qLnyN-000gcO-C2; Tue, 18 Jul 2023 18:54:51 +0200 From: Geert Uytterhoeven To: Laurent Pinchart , Kieran Bingham , David Airlie , Daniel Vetter , Thomas Zimmermann , Magnus Damm Subject: [PATCH v2 16/41] drm: renesas: shmobile: Improve error handling Date: Tue, 18 Jul 2023 18:54:21 +0200 Message-Id: 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 , Laurent Pinchart , 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 --- v2: - Add Reviewed-by. --- 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 782767fc66d00c4f..91daab80b0ede058 100644 --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c @@ -255,7 +255,8 @@ 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);