From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f181.google.com (mail-lj1-f181.google.com [209.85.208.181]) (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 2709472 for ; Wed, 18 Aug 2021 02:07:23 +0000 (UTC) Received: by mail-lj1-f181.google.com with SMTP id s3so2093726ljp.11 for ; Tue, 17 Aug 2021 19:07:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=ZdWGOBRulL4VUr2nkxtGmp68zHpJN18S3Cy3ExunZB8=; b=ZbJ4H3eCNv1Bvw3hVzD9YPDeNyOTQ/GmXBdTT71urRvt/nxoTwLH1fzA/K6qn+n13V EMyJFOcQBAXmK3unujC0pekGKV+GhAYdJyvRHdQzj7rWIPi7xVLg/WMJcPcQ5PirKj3r mCWcJAQa780CvmoxoDAaM90aUyQvNJACNApvjKFPAAm9WwsGGlEyD1f2fvSTTM9fYxeK t5Z+FLcqvZcqhqpvPAUYUBL8uyZLNwpVWq6XOlWr029EcHcHjhy6C69qNnGWOe53OGMD UD0ZHK+jZlCvKxlNNnLY/8mNCqP91QRuXBKGfyt7TpkAkHcvIpzE8oPTRJStoeU2i7/F OFxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=ZdWGOBRulL4VUr2nkxtGmp68zHpJN18S3Cy3ExunZB8=; b=eXvWRH9WLq2ZOBGpsN1Wl2SWlCoX1WsTNCqeg0+abvuB9f4jnkEp8h6sqZgbhR03PC VG4ZPjEyMw87dVGhvBw5QQ0SnMTWFx7gmISUNErII6jNbJW7YROAJxCagEtR/lQABD7X UXWH1u5vPpe1bJMxfgojVLxbte1sP/ukRZ+4jfsat/3+75MBKrYjwnZEJe4GfnKwmCzt 3EP/7/sA2HrDwpTsDNM24sSPRfQrF+PMbgRlI2sZHnbA5PX6th86g/o5A6clyfyOMHCe ZO67TMYZTrtVxNHWO8Owf3FyT8GX1c7J3C33CckYTyWWkvM96h2VyPbZHKcqokVTHmzR aX3g== X-Gm-Message-State: AOAM531phb5oEeEka4QtK4BK8G1aXWyvq2mo8a+y5SoddHr8Jq+edlk6 c3EIyD229UEN4LhKSP4DhHc= X-Google-Smtp-Source: ABdhPJxciZnUMzd7GVFJFA8FMA0hGtsUp4JHBzMUe6n55lLwaZhk7ErG9OStqzAcGbzrvom9TXW02A== X-Received: by 2002:a2e:9256:: with SMTP id v22mr5752535ljg.150.1629252441273; Tue, 17 Aug 2021 19:07:21 -0700 (PDT) Received: from [192.168.2.145] (46-138-85-91.dynamic.spd-mgts.ru. [46.138.85.91]) by smtp.googlemail.com with ESMTPSA id 27sm353157lfz.146.2021.08.17.19.07.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Aug 2021 19:07:20 -0700 (PDT) Subject: Re: [PATCH v8 09/34] dt-bindings: host1x: Document Memory Client resets of Host1x, GR2D and GR3D From: Dmitry Osipenko To: Rob Herring Cc: Thierry Reding , Jonathan Hunter , Ulf Hansson , Viresh Kumar , Stephen Boyd , Peter De Schrijver , Mikko Perttunen , Peter Chen , Mark Brown , Lee Jones , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Nishanth Menon , Vignesh Raghavendra , Richard Weinberger , Miquel Raynal , Lucas Stach , Stefan Agner , Adrian Hunter , Mauro Carvalho Chehab , Michael Turquette , linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, linux-staging@lists.linux.dev, linux-spi@vger.kernel.org, linux-pwm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-mmc@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org References: <20210817012754.8710-1-digetx@gmail.com> <20210817012754.8710-10-digetx@gmail.com> <9deced25-b184-7b5b-cebf-0ad82bd959db@gmail.com> Message-ID: <7f35b432-d113-99fa-88ca-20601ccf7e04@gmail.com> Date: Wed, 18 Aug 2021 05:07:19 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <9deced25-b184-7b5b-cebf-0ad82bd959db@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit 18.08.2021 05:04, Dmitry Osipenko пишет: > 18.08.2021 04:37, Dmitry Osipenko пишет: >> 18.08.2021 04:16, Rob Herring пишет: >>> On Tue, Aug 17, 2021 at 04:27:29AM +0300, Dmitry Osipenko wrote: >>>> Memory Client should be blocked before hardware reset is asserted in order >>>> to prevent memory corruption and hanging of memory controller. >>>> >>>> Document Memory Client resets of Host1x, GR2D and GR3D hardware units. >>>> >>>> Signed-off-by: Dmitry Osipenko >>>> --- >>>> .../bindings/display/tegra/nvidia,tegra20-host1x.txt | 4 ++++ >>>> 1 file changed, 4 insertions(+) >>>> >>>> diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt >>>> index 62861a8fb5c6..07a08653798b 100644 >>>> --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt >>>> +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt >>>> @@ -18,6 +18,7 @@ Required properties: >>>> - resets: Must contain an entry for each entry in reset-names. >>>> See ../reset/reset.txt for details. >>>> - reset-names: Must include the following entries: >>>> + - mc >>>> - host1x >>> >>> New entries should be at the end. Order matters. >> >> Indeed, order matters. In this case it matters by the hardware because >> memory reset must be asserted before the controller's reset. We rely on >> it in the code of the GENPD driver. Hence it's the intended order in >> this patch. >> > > Although, my bad. It should be to reorder items here, it's not a GENPD > binding. > * should be fine I'll change it in v9. 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[46.138.85.91]) by smtp.googlemail.com with ESMTPSA id 27sm353157lfz.146.2021.08.17.19.07.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Aug 2021 19:07:20 -0700 (PDT) Subject: Re: [PATCH v8 09/34] dt-bindings: host1x: Document Memory Client resets of Host1x, GR2D and GR3D From: Dmitry Osipenko To: Rob Herring Cc: Thierry Reding , Jonathan Hunter , Ulf Hansson , Viresh Kumar , Stephen Boyd , Peter De Schrijver , Mikko Perttunen , Peter Chen , Mark Brown , Lee Jones , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Nishanth Menon , Vignesh Raghavendra , Richard Weinberger , Miquel Raynal , Lucas Stach , Stefan Agner , Adrian Hunter , Mauro Carvalho Chehab , Michael Turquette , linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, linux-staging@lists.linux.dev, linux-spi@vger.kernel.org, linux-pwm@vger.kernel.org, linux-mtd@lists.infradead.org, linux-mmc@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org References: <20210817012754.8710-1-digetx@gmail.com> <20210817012754.8710-10-digetx@gmail.com> <9deced25-b184-7b5b-cebf-0ad82bd959db@gmail.com> Message-ID: <7f35b432-d113-99fa-88ca-20601ccf7e04@gmail.com> Date: Wed, 18 Aug 2021 05:07:19 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <9deced25-b184-7b5b-cebf-0ad82bd959db@gmail.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210817_190722_918004_B503F1C9 X-CRM114-Status: GOOD ( 18.69 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org MTguMDguMjAyMSAwNTowNCwgRG1pdHJ5IE9zaXBlbmtvINC/0LjRiNC10YI6Cj4gMTguMDguMjAy MSAwNDozNywgRG1pdHJ5IE9zaXBlbmtvINC/0LjRiNC10YI6Cj4+IDE4LjA4LjIwMjEgMDQ6MTYs IFJvYiBIZXJyaW5nINC/0LjRiNC10YI6Cj4+PiBPbiBUdWUsIEF1ZyAxNywgMjAyMSBhdCAwNDoy NzoyOUFNICswMzAwLCBEbWl0cnkgT3NpcGVua28gd3JvdGU6Cj4+Pj4gTWVtb3J5IENsaWVudCBz aG91bGQgYmUgYmxvY2tlZCBiZWZvcmUgaGFyZHdhcmUgcmVzZXQgaXMgYXNzZXJ0ZWQgaW4gb3Jk ZXIKPj4+PiB0byBwcmV2ZW50IG1lbW9yeSBjb3JydXB0aW9uIGFuZCBoYW5naW5nIG9mIG1lbW9y eSBjb250cm9sbGVyLgo+Pj4+Cj4+Pj4gRG9jdW1lbnQgTWVtb3J5IENsaWVudCByZXNldHMgb2Yg SG9zdDF4LCBHUjJEIGFuZCBHUjNEIGhhcmR3YXJlIHVuaXRzLgo+Pj4+Cj4+Pj4gU2lnbmVkLW9m Zi1ieTogRG1pdHJ5IE9zaXBlbmtvIDxkaWdldHhAZ21haWwuY29tPgo+Pj4+IC0tLQo+Pj4+ICAu Li4vYmluZGluZ3MvZGlzcGxheS90ZWdyYS9udmlkaWEsdGVncmEyMC1ob3N0MXgudHh0ICAgICAg ICAgIHwgNCArKysrCj4+Pj4gIDEgZmlsZSBjaGFuZ2VkLCA0IGluc2VydGlvbnMoKykKPj4+Pgo+ Pj4+IGRpZmYgLS1naXQgYS9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvZGlzcGxh eS90ZWdyYS9udmlkaWEsdGVncmEyMC1ob3N0MXgudHh0IGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0 cmVlL2JpbmRpbmdzL2Rpc3BsYXkvdGVncmEvbnZpZGlhLHRlZ3JhMjAtaG9zdDF4LnR4dAo+Pj4+ IGluZGV4IDYyODYxYThmYjVjNi4uMDdhMDg2NTM3OThiIDEwMDY0NAo+Pj4+IC0tLSBhL0RvY3Vt ZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9kaXNwbGF5L3RlZ3JhL252aWRpYSx0ZWdyYTIw LWhvc3QxeC50eHQKPj4+PiArKysgYi9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3Mv ZGlzcGxheS90ZWdyYS9udmlkaWEsdGVncmEyMC1ob3N0MXgudHh0Cj4+Pj4gQEAgLTE4LDYgKzE4 LDcgQEAgUmVxdWlyZWQgcHJvcGVydGllczoKPj4+PiAgLSByZXNldHM6IE11c3QgY29udGFpbiBh biBlbnRyeSBmb3IgZWFjaCBlbnRyeSBpbiByZXNldC1uYW1lcy4KPj4+PiAgICBTZWUgLi4vcmVz ZXQvcmVzZXQudHh0IGZvciBkZXRhaWxzLgo+Pj4+ICAtIHJlc2V0LW5hbWVzOiBNdXN0IGluY2x1 ZGUgdGhlIGZvbGxvd2luZyBlbnRyaWVzOgo+Pj4+ICsgIC0gbWMKPj4+PiAgICAtIGhvc3QxeAo+ Pj4KPj4+IE5ldyBlbnRyaWVzIHNob3VsZCBiZSBhdCB0aGUgZW5kLiBPcmRlciBtYXR0ZXJzLgo+ Pgo+PiBJbmRlZWQsIG9yZGVyIG1hdHRlcnMuIEluIHRoaXMgY2FzZSBpdCBtYXR0ZXJzIGJ5IHRo ZSBoYXJkd2FyZSBiZWNhdXNlCj4+IG1lbW9yeSByZXNldCBtdXN0IGJlIGFzc2VydGVkIGJlZm9y ZSB0aGUgY29udHJvbGxlcidzIHJlc2V0LiBXZSByZWx5IG9uCj4+IGl0IGluIHRoZSBjb2RlIG9m IHRoZSBHRU5QRCBkcml2ZXIuIEhlbmNlIGl0J3MgdGhlIGludGVuZGVkIG9yZGVyIGluCj4+IHRo aXMgcGF0Y2guCj4+Cj4gCj4gQWx0aG91Z2gsIG15IGJhZC4gSXQgc2hvdWxkIGJlIHRvIHJlb3Jk ZXIgaXRlbXMgaGVyZSwgaXQncyBub3QgYSBHRU5QRAo+IGJpbmRpbmcuCj4gCgoqIHNob3VsZCBi ZSBmaW5lCgpJJ2xsIGNoYW5nZSBpdCBpbiB2OS4KCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eCBNVEQgZGlzY3Vzc2lvbiBtYWlsaW5n IGxpc3QKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1t dGQvCg==