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[109.252.193.159]) by smtp.googlemail.com with ESMTPSA id b25sm6087lfa.32.2020.11.10.13.23.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Nov 2020 13:23:42 -0800 (PST) Subject: Re: [PATCH v1 11/30] drm/tegra: dc: Support OPP and SoC core voltage scaling To: Mark Brown , Thierry Reding References: <20201104234427.26477-1-digetx@gmail.com> <20201104234427.26477-12-digetx@gmail.com> <20201110202945.GF2375022@ulmo> <20201110203257.GC5957@sirena.org.uk> From: Dmitry Osipenko Message-ID: <72ae6462-13df-9fcb-510e-8e57eee0f035@gmail.com> Date: Wed, 11 Nov 2020 00:23:41 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201110203257.GC5957@sirena.org.uk> Content-Language: en-US X-Mailman-Approved-At: Wed, 11 Nov 2020 07:54:43 +0000 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: Peter Chen , Ulf Hansson , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, Liam Girdwood , Lee Jones , Marek Szyprowski , devel@driverdev.osuosl.org, linux-samsung-soc@vger.kernel.org, Nicolas Chauvet , Krzysztof Kozlowski , Jonathan Hunter , Alan Stern , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , linux-media@vger.kernel.org, linux-pwm@vger.kernel.org, Rob Herring , linux-tegra@vger.kernel.org, Mauro Carvalho Chehab , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-mmc@vger.kernel.org, Adrian Hunter , linux-kernel@vger.kernel.org, Peter Geis Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" MTAuMTEuMjAyMCAyMzozMiwgTWFyayBCcm93biDQv9C40YjQtdGCOgo+IE9uIFR1ZSwgTm92IDEw LCAyMDIwIGF0IDA5OjI5OjQ1UE0gKzAxMDAsIFRoaWVycnkgUmVkaW5nIHdyb3RlOgo+PiBPbiBU aHUsIE5vdiAwNSwgMjAyMCBhdCAwMjo0NDowOEFNICswMzAwLCBEbWl0cnkgT3NpcGVua28gd3Jv dGU6Cj4gCj4+PiArCS8qCj4+PiArCSAqIFZvbHRhZ2Ugc2NhbGluZyBpcyBvcHRpb25hbCBhbmQg dHJ5aW5nIHRvIHNldCB2b2x0YWdlIGZvciBhIGR1bW15Cj4+PiArCSAqIHJlZ3VsYXRvciB3aWxs IGVycm9yIG91dC4KPj4+ICsJICovCj4+PiArCWlmICghZGV2aWNlX3Byb3BlcnR5X3ByZXNlbnQo ZGMtPmRldiwgImNvcmUtc3VwcGx5IikpCj4+PiArCQlyZXR1cm47Cj4gCj4+IFRoaXMgaXMgYSBw b3RlbnRpYWxseSBoZWF2eSBvcGVyYXRpb24sIHNvIEkgdGhpbmsgd2Ugc2hvdWxkIGF2b2lkIHRo YXQKPj4gaGVyZS4gSG93IGFib3V0IHlvdSB1c2UgZGV2bV9yZWd1bGF0b3JfZ2V0X29wdGlvbmFs KCkgaW4gLT5wcm9iZSgpPyBUaGF0Cj4+IHJldHVybnMgLUVOT0RFViBpZiBubyByZWd1bGF0b3Ig d2FzIHNwZWNpZmllZCwgaW4gd2hpY2ggY2FzZSB5b3UgY2FuIHNldAo+PiBkYy0+Y29yZV9yZWcg PSBOVUxMIGFuZCB1c2UgdGhhdCBhcyB0aGUgY29uZGl0aW9uIGhlcmUuCj4gCj4gT3IgZW51bWVy YXRlIHRoZSBjb25maWd1cmFibGUgdm9sdGFnZXMgYWZ0ZXIgZ2V0dGluZyB0aGUgcmVndWxhdG9y IGFuZAo+IGhhbmRsZSB0aGF0IGFwcHJvcHJpYXRlbHkgd2hpY2ggd291bGQgYmUgbW9yZSByb2J1 c3QgaW4gY2FzZSB0aGVyZSdzCj4gbWlzc2luZyBvciB1bnVzdWFsIGNvbnN0cmFpbnRzLgo+IAoK SSBhbHJlYWR5IGNoYW5nZWQgdGhhdCBjb2RlIHRvIHVzZSByZWd1bGF0b3JfZ2V0X29wdGlvbmFs KCkgZm9yIHYyLgoKUmVnYXJkaW5nIHRoZSBlbnVtZXJhdGluZyBzdXBwb3J0ZWQgdm9sdGFnZS4u IEkgdGhpbmsgdGhpcyBzaG91bGQgYmUKZG9uZSBieSB0aGUgT1BQIGNvcmUsIGJ1dCByZWd1bGF0 b3IgY29yZSBkb2Vzbid0IHdvcmsgd2VsbCBpZgpyZWd1bGF0b3JfZ2V0KCkgaXMgaW52b2tlZCBt b3JlIHRoYW4gb25lIHRpbWUgZm9yIHRoZSBzYW1lIGRldmljZSwgYXQKbGVhc3QgdGhlcmUgaXMg YSBsb3VkIGRlYnVnZnMgd2FybmluZyBhYm91dCBhbiBhbHJlYWR5IGV4aXN0aW5nCmRpcmVjdG9y eSBmb3IgYSByZWd1bGF0b3IuIEl0J3MgZWFzeSB0byBjaGVjayB3aGV0aGVyIHRoZSBkZWJ1Zwpk aXJlY3RvcnkgZXhpc3RzIGJlZm9yZSBjcmVhdGluZyBpdCwgbGlrZSB0aGVybWFsIGZyYW1ld29y ayBkb2VzIGl0IGZvcgpleGFtcGxlLCBidXQgdGhlbiB0aGVyZSB3ZXJlIHNvbWUgb3RoZXIgbW9y ZSBkaWZmaWN1bHQgaXNzdWVzLi4gSSBkb24ndApyZWNhbGwgd2hhdCB0aGV5IHdlcmUgcmlnaHQg bm93LiBQZXJoYXBzIHdpbGwgYmUgZWFzaWVyIHRvIHNpbXBseSBnZXQgYQplcnJvciBmcm9tIHJl Z3VsYXRvcl9zZXRfdm9sdGFnZSgpIGZvciBub3cgYmVjYXVzZSBpdCBzaG91bGRuJ3QgZXZlcgpo YXBwZW4gaW4gcHJhY3RpY2UsIHVubGVzcyBkZXZpY2UtdHJlZSBoYXMgd3JvbmcgY29uc3RyYWlu dHMuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1k ZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=