From patchwork Thu Nov 23 17:03:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 97277 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from ny.mirrors.kernel.org ([147.75.199.223]) by www.linuxtv.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1r6D6r-00Ftc7-Ez for patchwork@linuxtv.org; Thu, 23 Nov 2023 17:03:26 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id C3ADD1C20E65 for ; Thu, 23 Nov 2023 17:03:22 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 229CE3FE42; Thu, 23 Nov 2023 17:03:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="o6YE4no9" X-Original-To: linux-media@vger.kernel.org Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5D6B1AE for ; Thu, 23 Nov 2023 09:03:07 -0800 (PST) Received: by mail-wr1-x433.google.com with SMTP id ffacd0b85a97d-332e7630a9dso110479f8f.1 for ; Thu, 23 Nov 2023 09:03:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1700758986; x=1701363786; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=FU64yB094w/k/dpqAQjQeJG192Ggsw7tuSAo8zmyjiE=; b=o6YE4no9U23wnZL3/dAs/vjuYoAWzWSyRa8sKcShGMYxSrfhUt8W2FbjNUwlDJKWDf wAJnAC9dJpvaRtF929XwoE910+s1XXblJ6+CiLNI7W4f7CfXZL2xdmV70bhr0+TZyGy6 resbZojeCzmjXLFmpvQWMzn0z0yu5aUJDG5/ENqA6+mBAOlsnAkMkEqNjAvJOVRClSya T7z3IdgCenV7cLJjU6WDhQEDzDuTPiLYVnIhkrU0m/rahmjLn9mjwAYXQtd/4J48Tdeh G4v/SiHod10CvRIisHVLwjZFq2BudGpRTDIoyCrUxzIp/9BccsT6Y4Dri9UmtEaD+xI2 9DfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700758986; x=1701363786; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=FU64yB094w/k/dpqAQjQeJG192Ggsw7tuSAo8zmyjiE=; b=vzVe3MUP+WNMB6Qgdfro0oTSWT5fhRAp8OMZi4e+WR8pNNV+xdLtENFU7+LzdyBm2H l3fpLgiBRuKn78RboGqp61EDWw3lxSwwjlwP6F2rA81l/vRTmevAORWhSZkYLdlGzJ/Y bWidwvq2ZaoaXA0oVLq5ii/rYorVXHcGq7g88T0nREoxncI1ULHd0GEseLIaegGFk+pa 7WZZpEezRkrO3tZujKkzDktgV2kIBeAQSW9Yi8y+ZAbeeJ6kI8H/Hu/KzFXoFvc5gs24 bzyQnuLMEZ66baouSTLUYBH2JmzSz4gIXcR0h/7lyLdcvHHkmMJLpQXTEU++0hxm+xqM THqg== X-Gm-Message-State: AOJu0YwBpTi1OWCD1mNbsYC1Mqi9+zFdJhWqrDGhQPCb+ksT4kiylXDH vTOL5QSv15a2Pw+Dv0dMG2m3Hg== X-Google-Smtp-Source: AGHT+IG2iNyDmurr/XZExCjpPEpXvcJ3Ks4CXtVmZNjv0oma+f1lSiyhJ5Qyr25J93s6IFOu54EYrA== X-Received: by 2002:adf:fdcf:0:b0:332:e58b:ab58 with SMTP id i15-20020adffdcf000000b00332e58bab58mr72910wrs.1.1700758984912; Thu, 23 Nov 2023 09:03:04 -0800 (PST) Received: from [127.0.0.1] ([37.228.218.3]) by smtp.gmail.com with ESMTPSA id f9-20020a0560001b0900b0032196c508e3sm2172585wrz.53.2023.11.23.09.03.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Nov 2023 09:03:04 -0800 (PST) From: Bryan O'Donoghue Date: Thu, 23 Nov 2023 17:03:01 +0000 Subject: [PATCH v6 2/8] media: qcom: camss: Convert to per-VFE pointer for power-domain linkages Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231123-b4-camss-named-power-domains-v6-2-3ec2fd9e8e36@linaro.org> References: <20231123-b4-camss-named-power-domains-v6-0-3ec2fd9e8e36@linaro.org> In-Reply-To: <20231123-b4-camss-named-power-domains-v6-0-3ec2fd9e8e36@linaro.org> To: hverkuil-cisco@xs4all.nl, laurent.pinchart@ideasonboard.com, Robert Foss , Todor Tomov , Bryan O'Donoghue , Andy Gross , Bjorn Andersson , Konrad Dybcio , Mauro Carvalho Chehab , matti.lehtimaki@gmail.com, quic_grosikop@quicinc.com Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.13-dev-26615 X-LSpam-Score: -4.8 (----) X-LSpam-Report: No, score=-4.8 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3 autolearn=ham autolearn_force=no Right now we use the top-level camss structure to provide pointers via VFE id index back to genpd linkages. In effect this hard-codes VFE indexes to power-domain indexes in the dtsi and mandates a very particular ordering of power domains in the dtsi, which bears no relationship to a real hardware dependency. As a first step to rationalising the VFE power-domain code and breaking the magic indexing in dtsi use per-VFE pointers to genpd linkages. The top-level index in msm_vfe_subdev_init is still used to attain the initial so no functional or logical change arises from this change. Reviewed-by: Konrad Dybcio Tested-by: Matti Lehtimäki Signed-off-by: Bryan O'Donoghue --- drivers/media/platform/qcom/camss/camss-vfe-170.c | 15 +++++++-------- drivers/media/platform/qcom/camss/camss-vfe-4-7.c | 15 +++++---------- drivers/media/platform/qcom/camss/camss-vfe-4-8.c | 13 +++++-------- drivers/media/platform/qcom/camss/camss-vfe-480.c | 15 +++++++-------- drivers/media/platform/qcom/camss/camss-vfe.c | 3 +++ drivers/media/platform/qcom/camss/camss-vfe.h | 2 ++ 6 files changed, 29 insertions(+), 34 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-vfe-170.c b/drivers/media/platform/qcom/camss/camss-vfe-170.c index 0b211fed12760..7451484317cc3 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe-170.c +++ b/drivers/media/platform/qcom/camss/camss-vfe-170.c @@ -638,7 +638,7 @@ static void vfe_pm_domain_off(struct vfe_device *vfe) if (vfe->id >= camss->res->vfe_num) return; - device_link_del(camss->genpd_link[vfe->id]); + device_link_del(vfe->genpd_link); } /* @@ -648,16 +648,15 @@ static void vfe_pm_domain_off(struct vfe_device *vfe) static int vfe_pm_domain_on(struct vfe_device *vfe) { struct camss *camss = vfe->camss; - enum vfe_line_id id = vfe->id; - if (id >= camss->res->vfe_num) + if (vfe->id >= camss->res->vfe_num) return 0; - camss->genpd_link[id] = device_link_add(camss->dev, camss->genpd[id], - DL_FLAG_STATELESS | - DL_FLAG_PM_RUNTIME | - DL_FLAG_RPM_ACTIVE); - if (!camss->genpd_link[id]) + vfe->genpd_link = device_link_add(camss->dev, vfe->genpd, + DL_FLAG_STATELESS | + DL_FLAG_PM_RUNTIME | + DL_FLAG_RPM_ACTIVE); + if (!vfe->genpd_link) return -EINVAL; return 0; diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-7.c b/drivers/media/platform/qcom/camss/camss-vfe-4-7.c index b65ed0fef595e..2b4e7e039407b 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe-4-7.c +++ b/drivers/media/platform/qcom/camss/camss-vfe-4-7.c @@ -1109,14 +1109,10 @@ static void vfe_isr_read(struct vfe_device *vfe, u32 *value0, u32 *value1) */ static void vfe_pm_domain_off(struct vfe_device *vfe) { - struct camss *camss; - if (!vfe) return; - camss = vfe->camss; - - device_link_del(camss->genpd_link[vfe->id]); + device_link_del(vfe->genpd_link); } /* @@ -1126,13 +1122,12 @@ static void vfe_pm_domain_off(struct vfe_device *vfe) static int vfe_pm_domain_on(struct vfe_device *vfe) { struct camss *camss = vfe->camss; - enum vfe_line_id id = vfe->id; - camss->genpd_link[id] = device_link_add(camss->dev, camss->genpd[id], DL_FLAG_STATELESS | - DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); + vfe->genpd_link = device_link_add(camss->dev, vfe->genpd, DL_FLAG_STATELESS | + DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); - if (!camss->genpd_link[id]) { - dev_err(vfe->camss->dev, "Failed to add VFE#%d to power domain\n", id); + if (!vfe->genpd_link) { + dev_err(vfe->camss->dev, "Failed to add VFE#%d to power domain\n", vfe->id); return -EINVAL; } diff --git a/drivers/media/platform/qcom/camss/camss-vfe-4-8.c b/drivers/media/platform/qcom/camss/camss-vfe-4-8.c index 7b3805177f037..5e95343241304 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe-4-8.c +++ b/drivers/media/platform/qcom/camss/camss-vfe-4-8.c @@ -1099,9 +1099,7 @@ static void vfe_isr_read(struct vfe_device *vfe, u32 *value0, u32 *value1) */ static void vfe_pm_domain_off(struct vfe_device *vfe) { - struct camss *camss = vfe->camss; - - device_link_del(camss->genpd_link[vfe->id]); + device_link_del(vfe->genpd_link); } /* @@ -1111,13 +1109,12 @@ static void vfe_pm_domain_off(struct vfe_device *vfe) static int vfe_pm_domain_on(struct vfe_device *vfe) { struct camss *camss = vfe->camss; - enum vfe_line_id id = vfe->id; - camss->genpd_link[id] = device_link_add(camss->dev, camss->genpd[id], DL_FLAG_STATELESS | - DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); + vfe->genpd_link = device_link_add(camss->dev, vfe->genpd, DL_FLAG_STATELESS | + DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); - if (!camss->genpd_link[id]) { - dev_err(vfe->camss->dev, "Failed to add VFE#%d to power domain\n", id); + if (!vfe->genpd_link) { + dev_err(vfe->camss->dev, "Failed to add VFE#%d to power domain\n", vfe->id); return -EINVAL; } diff --git a/drivers/media/platform/qcom/camss/camss-vfe-480.c b/drivers/media/platform/qcom/camss/camss-vfe-480.c index f2368b77fc6d6..a70b8633bb3eb 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe-480.c +++ b/drivers/media/platform/qcom/camss/camss-vfe-480.c @@ -463,7 +463,7 @@ static void vfe_pm_domain_off(struct vfe_device *vfe) if (vfe->id >= camss->res->vfe_num) return; - device_link_del(camss->genpd_link[vfe->id]); + device_link_del(vfe->genpd_link); } /* @@ -473,16 +473,15 @@ static void vfe_pm_domain_off(struct vfe_device *vfe) static int vfe_pm_domain_on(struct vfe_device *vfe) { struct camss *camss = vfe->camss; - enum vfe_line_id id = vfe->id; - if (id >= camss->res->vfe_num) + if (vfe->id >= camss->res->vfe_num) return 0; - camss->genpd_link[id] = device_link_add(camss->dev, camss->genpd[id], - DL_FLAG_STATELESS | - DL_FLAG_PM_RUNTIME | - DL_FLAG_RPM_ACTIVE); - if (!camss->genpd_link[id]) + vfe->genpd_link = device_link_add(camss->dev, vfe->genpd, + DL_FLAG_STATELESS | + DL_FLAG_PM_RUNTIME | + DL_FLAG_RPM_ACTIVE); + if (!vfe->genpd_link) return -EINVAL; return 0; diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c index 4839e2cedfe58..94267b9974554 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.c +++ b/drivers/media/platform/qcom/camss/camss-vfe.c @@ -1347,6 +1347,9 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe, if (!res->line_num) return -EINVAL; + if (res->has_pd) + vfe->genpd = camss->genpd[id]; + vfe->line_num = res->line_num; vfe->ops->subdev_init(dev, vfe); diff --git a/drivers/media/platform/qcom/camss/camss-vfe.h b/drivers/media/platform/qcom/camss/camss-vfe.h index 09baded0dcdd6..c1c50023d4876 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.h +++ b/drivers/media/platform/qcom/camss/camss-vfe.h @@ -150,6 +150,8 @@ struct vfe_device { const struct vfe_hw_ops_gen1 *ops_gen1; struct vfe_isr_ops isr_ops; struct camss_video_ops video_ops; + struct device *genpd; + struct device_link *genpd_link; }; struct camss_subdev_resources;