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([82.78.167.144]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a86e54b50dbsm127893966b.93.2024.08.27.09.12.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Aug 2024 09:12:45 -0700 (PDT) From: Claudiu Beznea To: manikandan.m@microchip.com, dharma.b@microchip.com, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch, hari.prasathge@microchip.com Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, claudiu.beznea@tuxon.dev Subject: [PATCH 1/3] drm/bridge: microchip-lvds: Revert clk_prepare_enable() in case of failure Date: Tue, 27 Aug 2024 19:12:21 +0300 Message-Id: <20240827161223.4152195-2-claudiu.beznea@tuxon.dev> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240827161223.4152195-1-claudiu.beznea@tuxon.dev> References: <20240827161223.4152195-1-claudiu.beznea@tuxon.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In case pm_runtime_get_sync() fails the clock remains enabled. Disable it to save power on this failure scenario. Fixes: 179b0769fc5f ("drm/bridge: add lvds controller support for sam9x7") Signed-off-by: Claudiu Beznea Reviewed-by: Dharma Balasubiramani Tested-by Tested-by: Dharma Balasubiramani --- drivers/gpu/drm/bridge/microchip-lvds.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/microchip-lvds.c b/drivers/gpu/drm/brid= ge/microchip-lvds.c index b8313dad6072..027292ab0197 100644 --- a/drivers/gpu/drm/bridge/microchip-lvds.c +++ b/drivers/gpu/drm/bridge/microchip-lvds.c @@ -125,6 +125,7 @@ static void mchp_lvds_enable(struct drm_bridge *bridge) =20 ret =3D pm_runtime_get_sync(lvds->dev); if (ret < 0) { + clk_disable_unprepare(lvds->pclk); dev_err(lvds->dev, "failed to get pm runtime: %d\n", ret); return; } --=20 2.39.2 From nobody Fri Dec 19 10:41:46 2025 Received: from mail-lf1-f49.google.com (mail-lf1-f49.google.com [209.85.167.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0C2F1CCB34 for ; Tue, 27 Aug 2024 16:12:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724775171; cv=none; b=DExF8qSX9FOvAcz99FjLFht0QLUuq/1AGkKArOTGtrYAJISU4V8GSChI9t/EpPxxqSKgOl5yGIviNJuFsdbOCyiq8CvNiVR5tn4FJYgPjYWn9Z9MIA0hhMHJfRXGxe1reN9tLipFP3879PU3q6Tg0AtoLU3C4HO4NvMxtkFTFmk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724775171; c=relaxed/simple; bh=bRCtWPtAP2r01rn+8erIzrRLQcz21OzRWT7kG3+Duwk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Bzl9xAgCR7L5DzQ443OMtCFr6Z4S/Do7wqeU+s851WUw18m8K+3dVc6fM/PvdS9d+Cp5fCt/Xv4awKrg4agO1zi/pkl3IYFhGd562uKzPNVwYJoq+/EON6u/DTwoLAqOyBqVqoHemxRVoG7R/UipmzM4XYh2sGRNqXymwlTTPQw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=GvIGcWWa; arc=none smtp.client-ip=209.85.167.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="GvIGcWWa" Received: by mail-lf1-f49.google.com with SMTP id 2adb3069b0e04-534366c1aa2so4849551e87.1 for ; Tue, 27 Aug 2024 09:12:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1724775168; x=1725379968; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=9b40ZG6wtpXNDRIbJ+N027Dbp0WF4n42iEPhKoROnQ8=; b=GvIGcWWaUXsj/i9KetouLMlnYGOL0gestCHP7kj+y3Au1+PlJ17uF/vEye7uhWbCVQ Of5dvTQQ/RwZ5UyrsaPv6YDCwGxlc+DSlWUxuNP719nr0bjZ2SycqLYZ2LsU5dsNmovK g/3qEce1d3LtRFpDtFwv+p1qb4G/WCr3yrWWPFVYPfNRZ5BoYv4CDbH+oJ4P7jcAVNN9 wz//THF63N+4mTEdhXN4it2g0/Di0abmR0isNOALbdHxPyQ375uTIwkqURuTQWEKDFPB tULSEDH9LNjfIuwUwQwb1XBY01ob85LsLyQvIyNtmP3ft0kXyQR+hO0eQn+Lp6TdbTTc kZWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724775168; x=1725379968; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9b40ZG6wtpXNDRIbJ+N027Dbp0WF4n42iEPhKoROnQ8=; b=Jmg5GMXJaODrf2IWpIzUlADNI5OAwY6+AFZhTesAnau6rS+rSoW3fcBEgi68gGT7JZ QK4RbBh8TsR5/o7EIjChLhN8s2Yh70AN4eNJHXNHIXZJ8//kFCBKPUYnWqHLgfZ97Lvr VEZQLvp0o7ntNdc/CZrDkByKF11dyvRMSEged/5iTOkMk2tHigqVH49iIW0q3B0Rj7G1 Ri+M6wm3CNAh53+sei3hcQZ7Jt79tpopGg2QhuM/7Om1dtyZSeb7AOwcNMjzN53kd420 e1ctW/3RTNldONvc5fkkh2876MJ9CoD1G253p3RoWXCfysYsaU6t38JDAnxVg7aHTFLh D3YA== X-Forwarded-Encrypted: i=1; AJvYcCUXdupRsA8aHUgz5WyF/TRlJKN2M24UByXL1y8Aftuj1cptyIGFcw9DENiNh5CGqjKHzlOulUUJt79qTsU=@vger.kernel.org X-Gm-Message-State: AOJu0YzWBR2nLtmytNGhotTsEoyH6LvxHE2/j7nYlBgC4rbRvzj6TBJI cg7i/oibYOSTypjrUnBIn7ezXnKU2PxPIl17Y4OnrUUgPtqyCGRtEvmWdJe0mWM= X-Google-Smtp-Source: AGHT+IGztyO/vXFJhZ5is4NuBcc0I5gssmVDfjip0FHP6sjWxirKEM36B5impi0ie7i98OY5jl3r6g== X-Received: by 2002:a05:6512:e89:b0:52e:767a:ada7 with SMTP id 2adb3069b0e04-53438868d57mr9236836e87.50.1724775167458; Tue, 27 Aug 2024 09:12:47 -0700 (PDT) Received: from claudiu-X670E-Pro-RS.. ([82.78.167.144]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a86e54b50dbsm127893966b.93.2024.08.27.09.12.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Aug 2024 09:12:47 -0700 (PDT) From: Claudiu Beznea To: manikandan.m@microchip.com, dharma.b@microchip.com, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch, hari.prasathge@microchip.com Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, claudiu.beznea@tuxon.dev Subject: [PATCH 2/3] drm/bridge: microchip-lvds: Drop unused headers Date: Tue, 27 Aug 2024 19:12:22 +0300 Message-Id: <20240827161223.4152195-3-claudiu.beznea@tuxon.dev> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240827161223.4152195-1-claudiu.beznea@tuxon.dev> References: <20240827161223.4152195-1-claudiu.beznea@tuxon.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Drop unused headers. With this code becomes simpler. Signed-off-by: Claudiu Beznea --- drivers/gpu/drm/bridge/microchip-lvds.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/gpu/drm/bridge/microchip-lvds.c b/drivers/gpu/drm/brid= ge/microchip-lvds.c index 027292ab0197..f04831106eea 100644 --- a/drivers/gpu/drm/bridge/microchip-lvds.c +++ b/drivers/gpu/drm/bridge/microchip-lvds.c @@ -8,25 +8,16 @@ */ =20 #include -#include #include #include -#include +#include #include -#include -#include #include #include -#include -#include =20 -#include #include #include #include -#include -#include -#include =20 #define LVDS_POLL_TIMEOUT_MS 1000 =20 --=20 2.39.2 From nobody Fri Dec 19 10:41:46 2025 Received: from mail-lf1-f46.google.com (mail-lf1-f46.google.com [209.85.167.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AE6B71CE6E7 for ; Tue, 27 Aug 2024 16:12:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724775173; cv=none; b=crL0MY2VUiffUd3bLWNEo+EsJDug8HkGlPerY4DkShu4UOoaO523GdvFMB1mROC+JyX4l0xsdHg+I/FpXx/OnOBF6Jj58dE81PSqdFQea6F4dYhTYyBkTYDgUGlgPsDfGYX0iw0+iJQFjqN/+LP8+/Aw2mn5eq7aw1dJmHIKKNc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724775173; c=relaxed/simple; bh=fY38fN99qRFKXKSA5I+1rUysd3mbokIVBvaR3N/Edko=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QyIlzuAAjExB0VkjK7cdnm3KRjHI2QNOG9t3XMAfIYxhhe2bOhKhTlrFOT5WaDUgCFQizPfQ7799o0IjPJRXa++s2fXmwWbgK3Lt2nJ71ePZAoMDG2l9poRVOkTni5F488PreHr/8zIKJC9jz4wkQrZMRpaLUg8Wl9bmWo/e6JY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev; spf=pass smtp.mailfrom=tuxon.dev; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b=RI+mUrYT; arc=none smtp.client-ip=209.85.167.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tuxon.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="RI+mUrYT" Received: by mail-lf1-f46.google.com with SMTP id 2adb3069b0e04-5343e75c642so4888286e87.2 for ; Tue, 27 Aug 2024 09:12:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1724775170; x=1725379970; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/VeZJltoLAKxh7d3cB6a8DRSH0vtTp7P9mPnF3uj0f8=; b=RI+mUrYTpwomUtNNZddBxcnpkQo3+xlfIbutUj2xTqTH43Yg0/Rdd8Cl6kX/pRYRHt DjhmiCJ23GZW7N18wuGDFve1iXdkmWV0GJn790afZL4JkdtFVahHmrf12Oa5ZCDWDtKX TBTqWSTExIUt1sB1uzIFV3kOhnR4bB0mxwLJpuAymG21qUyorC75pnXf4awgotjMn4mW 7FpGKr/K+8qVkJDD1hmNfTPBP/b2/Q8pS0xR2MByIWmvm+uBz5NGj6CHYhnbAqMYFHlb /rI3KA1mCCJftKG19eIno1N00h5WRZu+3ttyqgXVhlc9cUgtRLznHWVqypD+NIOe497K x9Ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724775170; x=1725379970; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/VeZJltoLAKxh7d3cB6a8DRSH0vtTp7P9mPnF3uj0f8=; b=jxRVn377Guydt94dq48FCtjbbaA0RtPuixARH9AombSxEtEUe1x0HewDJPU0X5Xj59 Emi9wqIE518n53n794DmnSEeuRyEDCMB5Nmz3Rvln/9gOkmQCM4TRucxR95VjTwRQORW K0zJD306KetLkolhfZLhDMkvCzdBfWDg5Gnti8+PkMsvIZOd/2BdCfXC91qC1TvCrJ2a QYgT7MDoGdIMyRQpsuFTxP3jHcx7hJGp8NxsC4uK7QD5wBLXxtrRG46WAKpSgTYpukcd /qH1AUPk5rMlye39bcMsz7hDXqz3UU6plECqjDbGdlszOJ/mWb/jF3QdAVA4pT3XnD/Y CIyQ== X-Forwarded-Encrypted: i=1; AJvYcCXhFRvVYZQqetMcp5ioCj77lxqPCPBzoPXVTex50KxWHgXAAx4ftiCcm2N5VTvzAOwF7MytfZ5pnpr6wZY=@vger.kernel.org X-Gm-Message-State: AOJu0YyQcl+54/IzQ8gMZBam75rIVuhuc5TAGrXb48NoiUwrY2yqn6R6 d5j77BoJumq/jZbaedJvEVvvdp3Ezyh9AUq2esLVhYE2PFCg0oJix+Uk+cZ47Hw= X-Google-Smtp-Source: AGHT+IEn6EiOoC6u9T3Qh/ZYHO31b5oMxMsAnawAD7VSKPISxZfLW3mQWnzXyfQVhrfz81mditnTcg== X-Received: by 2002:a05:6512:4004:b0:530:aa09:b6bf with SMTP id 2adb3069b0e04-534388330bcmr10078492e87.24.1724775169565; Tue, 27 Aug 2024 09:12:49 -0700 (PDT) Received: from claudiu-X670E-Pro-RS.. ([82.78.167.144]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a86e54b50dbsm127893966b.93.2024.08.27.09.12.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Aug 2024 09:12:49 -0700 (PDT) From: Claudiu Beznea To: manikandan.m@microchip.com, dharma.b@microchip.com, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, daniel@ffwll.ch, hari.prasathge@microchip.com Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, claudiu.beznea@tuxon.dev Subject: [PATCH 3/3] drm/bridge: microchip-lvds: Use devm_platform_ioremap_resource() Date: Tue, 27 Aug 2024 19:12:23 +0300 Message-Id: <20240827161223.4152195-4-claudiu.beznea@tuxon.dev> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240827161223.4152195-1-claudiu.beznea@tuxon.dev> References: <20240827161223.4152195-1-claudiu.beznea@tuxon.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The devm_platform_ioremap_resouce() does exactly what devm_ioremap_resource() combined with platform_get_resouce() does. Thus use it. Signed-off-by: Claudiu Beznea Reviewed-by: Dharma Balasubiramani Tested-by: Dharma Balasubiramani --- drivers/gpu/drm/bridge/microchip-lvds.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/microchip-lvds.c b/drivers/gpu/drm/brid= ge/microchip-lvds.c index f04831106eea..85aff8c5aaf4 100644 --- a/drivers/gpu/drm/bridge/microchip-lvds.c +++ b/drivers/gpu/drm/bridge/microchip-lvds.c @@ -154,8 +154,7 @@ static int mchp_lvds_probe(struct platform_device *pdev) =20 lvds->dev =3D dev; =20 - lvds->regs =3D devm_ioremap_resource(lvds->dev, - platform_get_resource(pdev, IORESOURCE_MEM, 0)); + lvds->regs =3D devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(lvds->regs)) return PTR_ERR(lvds->regs); =20 --=20 2.39.2