From patchwork Sun Feb 23 09:31:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13986891 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 EC491C021B2 for ; Sun, 23 Feb 2025 09:35:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 79E3C10E0D2; Sun, 23 Feb 2025 09:35:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.b="FnlslSkN"; dkim-atps=neutral Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id 01AA610E03A for ; Sun, 23 Feb 2025 09:32:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1740303155; bh=PEU6ikhVTWTxbi9wgL9WnhXL5oGGC62yON8INrvf3aM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=FnlslSkNQOU8Cce7Q5/1VCuW0wNh42pLw4bcbsiiBOCfhlruauhv1fVOIjCWcYEfE wLgYR7jOmQZ1EUzTGTaXFxT8jqLpjcAwPVKBXE7wnAplFlxBBKB9fouqruTPRbBOJa I7Wlg3uOPNMXPMv+3ujzFY5cy53sVPvdrwUTQ39BehSDqumRCExLI5YaUlMpVpOzov /rdNkU4dwTUVWdZtm83BwIWLCd7LZPM0woTihwRRFQPAtKEG9TAwRHymN5pgK7gfeK dpescf6Ky3S1aMl55ZIr9rQtnTQ8oEQZtMfL9wWw7OJHfKjOAL2HZ59UV+K0+ZDbLb ZHpCxcW8ViYBA== Received: from localhost (unknown [188.27.58.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with UTF8SMTPSA id 9455317E087E; Sun, 23 Feb 2025 10:32:35 +0100 (CET) From: Cristian Ciocaltea Date: Sun, 23 Feb 2025 11:31:38 +0200 Subject: [PATCH v2 2/5] drm/rockchip: vop2: Consistently use dev_err_probe() MIME-Version: 1.0 Message-Id: <20250223-vop2-hdmi1-disp-modes-v2-2-f4cec5e06fbe@collabora.com> References: <20250223-vop2-hdmi1-disp-modes-v2-0-f4cec5e06fbe@collabora.com> In-Reply-To: <20250223-vop2-hdmi1-disp-modes-v2-0-f4cec5e06fbe@collabora.com> To: Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org X-Mailer: b4 0.14.2 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Replace drm_err() calls in vop2_bind() and vop2_create_crtcs() with dev_err_probe(), to simplify error handling and improve consistency. Additionally, ensure the already existing dev_err_probe() invocations pass drm->dev instead of dev as their first argument, so that we get the actual reason in case of -EPROBE_DEFER errors: platform display-subsystem: deferred probe pending: (reason unknown) vs. platform display-subsystem: deferred probe pending: rockchip-drm: While at it, add the missing '\n' to some of the message strings. Signed-off-by: Cristian Ciocaltea --- drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 83 +++++++++++++--------------- 1 file changed, 37 insertions(+), 46 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index 14e039e9143ab855f32c392c5b097b97bcba70b8..7b893b4447b6015c440790614c1fdeba967e8395 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -3273,10 +3273,9 @@ static int vop2_create_crtcs(struct vop2 *vop2) snprintf(dclk_name, sizeof(dclk_name), "dclk_vp%d", vp->id); vp->dclk = devm_clk_get(vop2->dev, dclk_name); - if (IS_ERR(vp->dclk)) { - drm_err(vop2->drm, "failed to get %s\n", dclk_name); - return PTR_ERR(vp->dclk); - } + if (IS_ERR(vp->dclk)) + return dev_err_probe(drm->dev, PTR_ERR(vp->dclk), + "failed to get %s\n", dclk_name); np = of_graph_get_remote_node(dev->of_node, i, -1); if (!np) { @@ -3286,11 +3285,9 @@ static int vop2_create_crtcs(struct vop2 *vop2) of_node_put(np); port = of_graph_get_port_by_id(dev->of_node, i); - if (!port) { - drm_err(vop2->drm, "no port node found for video_port%d\n", i); - return -ENOENT; - } - + if (!port) + return dev_err_probe(drm->dev, -ENOENT, + "no port node found for video_port%d\n", i); vp->crtc.port = port; nvps++; } @@ -3330,11 +3327,9 @@ static int vop2_create_crtcs(struct vop2 *vop2) possible_crtcs = (1 << nvps) - 1; ret = vop2_plane_init(vop2, win, possible_crtcs); - if (ret) { - drm_err(vop2->drm, "failed to init plane %s: %d\n", - win->data->name, ret); - return ret; - } + if (ret) + return dev_err_probe(drm->dev, ret, "failed to init plane %s\n", + win->data->name); } for (i = 0; i < vop2_data->nr_vps; i++) { @@ -3348,10 +3343,9 @@ static int vop2_create_crtcs(struct vop2 *vop2) ret = drm_crtc_init_with_planes(drm, &vp->crtc, plane, NULL, &vop2_crtc_funcs, "video_port%d", vp->id); - if (ret) { - drm_err(vop2->drm, "crtc init for video_port%d failed\n", i); - return ret; - } + if (ret) + return dev_err_probe(drm->dev, ret, + "crtc init for video_port%d failed\n", i); drm_crtc_helper_add(&vp->crtc, &vop2_crtc_helper_funcs); if (vop2->lut_regs) { @@ -3678,10 +3672,9 @@ static int vop2_bind(struct device *dev, struct device *master, void *data) dev_set_drvdata(dev, vop2); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vop"); - if (!res) { - drm_err(vop2->drm, "failed to get vop2 register byname\n"); - return -EINVAL; - } + if (!res) + return dev_err_probe(drm->dev, -EINVAL, + "failed to get vop2 register byname\n"); vop2->res = res; vop2->regs = devm_ioremap_resource(dev, res); @@ -3706,50 +3699,50 @@ static int vop2_bind(struct device *dev, struct device *master, void *data) if (vop2_data->feature & VOP2_FEATURE_HAS_SYS_GRF) { vop2->sys_grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf"); if (IS_ERR(vop2->sys_grf)) - return dev_err_probe(dev, PTR_ERR(vop2->sys_grf), "cannot get sys_grf"); + return dev_err_probe(drm->dev, PTR_ERR(vop2->sys_grf), + "cannot get sys_grf\n"); } if (vop2_data->feature & VOP2_FEATURE_HAS_VOP_GRF) { vop2->vop_grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,vop-grf"); if (IS_ERR(vop2->vop_grf)) - return dev_err_probe(dev, PTR_ERR(vop2->vop_grf), "cannot get vop_grf"); + return dev_err_probe(drm->dev, PTR_ERR(vop2->vop_grf), + "cannot get vop_grf\n"); } if (vop2_data->feature & VOP2_FEATURE_HAS_VO1_GRF) { vop2->vo1_grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,vo1-grf"); if (IS_ERR(vop2->vo1_grf)) - return dev_err_probe(dev, PTR_ERR(vop2->vo1_grf), "cannot get vo1_grf"); + return dev_err_probe(drm->dev, PTR_ERR(vop2->vo1_grf), + "cannot get vo1_grf\n"); } if (vop2_data->feature & VOP2_FEATURE_HAS_SYS_PMU) { vop2->sys_pmu = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,pmu"); if (IS_ERR(vop2->sys_pmu)) - return dev_err_probe(dev, PTR_ERR(vop2->sys_pmu), "cannot get sys_pmu"); + return dev_err_probe(drm->dev, PTR_ERR(vop2->sys_pmu), + "cannot get sys_pmu\n"); } vop2->hclk = devm_clk_get(vop2->dev, "hclk"); - if (IS_ERR(vop2->hclk)) { - drm_err(vop2->drm, "failed to get hclk source\n"); - return PTR_ERR(vop2->hclk); - } + if (IS_ERR(vop2->hclk)) + return dev_err_probe(drm->dev, PTR_ERR(vop2->hclk), + "failed to get hclk source\n"); vop2->aclk = devm_clk_get(vop2->dev, "aclk"); - if (IS_ERR(vop2->aclk)) { - drm_err(vop2->drm, "failed to get aclk source\n"); - return PTR_ERR(vop2->aclk); - } + if (IS_ERR(vop2->aclk)) + return dev_err_probe(drm->dev, PTR_ERR(vop2->aclk), + "failed to get aclk source\n"); vop2->pclk = devm_clk_get_optional(vop2->dev, "pclk_vop"); - if (IS_ERR(vop2->pclk)) { - drm_err(vop2->drm, "failed to get pclk source\n"); - return PTR_ERR(vop2->pclk); - } + if (IS_ERR(vop2->pclk)) + return dev_err_probe(drm->dev, PTR_ERR(vop2->pclk), + "failed to get pclk source\n"); vop2->pll_hdmiphy0 = devm_clk_get_optional(vop2->dev, "pll_hdmiphy0"); - if (IS_ERR(vop2->pll_hdmiphy0)) { - drm_err(vop2->drm, "failed to get pll_hdmiphy0\n"); - return PTR_ERR(vop2->pll_hdmiphy0); - } + if (IS_ERR(vop2->pll_hdmiphy0)) + return dev_err_probe(drm->dev, PTR_ERR(vop2->pll_hdmiphy0), + "failed to get pll_hdmiphy0\n"); vop2->pll_hdmiphy1 = devm_clk_get_optional(vop2->dev, "pll_hdmiphy1"); if (IS_ERR(vop2->pll_hdmiphy1)) @@ -3757,10 +3750,8 @@ static int vop2_bind(struct device *dev, struct device *master, void *data) "failed to get pll_hdmiphy1\n"); vop2->irq = platform_get_irq(pdev, 0); - if (vop2->irq < 0) { - drm_err(vop2->drm, "cannot find irq for vop2\n"); - return vop2->irq; - } + if (vop2->irq < 0) + return dev_err_probe(drm->dev, vop2->irq, "cannot find irq for vop2\n"); mutex_init(&vop2->vop2_lock);