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[109.252.193.159]) by smtp.googlemail.com with ESMTPSA id q26sm1371522lfa.104.2020.11.23.04.14.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Nov 2020 04:14:20 -0800 (PST) Subject: Re: [PATCH v10 09/19] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree To: Chanwoo Choi , Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org References: <20201123002723.28463-1-digetx@gmail.com> <20201123002723.28463-10-digetx@gmail.com> From: Dmitry Osipenko Message-ID: Date: Mon, 23 Nov 2020 15:14:20 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 23.11.2020 10:02, Chanwoo Choi пишет: > Hi Dmitry, > > On 11/23/20 9:27 AM, Dmitry Osipenko wrote: >> This patch moves ACTMON driver away from generating OPP table by itself, >> transitioning it to use the table which comes from device-tree. This >> change breaks compatibility with older device-trees and brings support >> for the interconnect framework to the driver. This is a mandatory change >> which needs to be done in order to implement interconnect-based memory >> DVFS, i.e. device-trees need to be updated. Now ACTMON issues a memory >> bandwidth requests using dev_pm_opp_set_bw() instead of driving EMC clock >> rate directly. >> >> Tested-by: Peter Geis >> Tested-by: Nicolas Chauvet >> Acked-by: Chanwoo Choi >> Signed-off-by: Dmitry Osipenko >> --- >> drivers/devfreq/tegra30-devfreq.c | 79 +++++++++++++++---------------- >> 1 file changed, 37 insertions(+), 42 deletions(-) >> > > (snip) Hello Chanwoo, > When the patches related to icc are merged, I'll merge patch9/10. > Thanks for your work. > Alright, thank you! 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[109.252.193.159]) by smtp.googlemail.com with ESMTPSA id q26sm1371522lfa.104.2020.11.23.04.14.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Nov 2020 04:14:20 -0800 (PST) Subject: Re: [PATCH v10 09/19] PM / devfreq: tegra30: Support interconnect and OPPs from device-tree To: Chanwoo Choi , Thierry Reding , Jonathan Hunter , Georgi Djakov , Rob Herring , Michael Turquette , Stephen Boyd , Peter De Schrijver , MyungJoo Ham , Kyungmin Park , Mikko Perttunen , Viresh Kumar , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski References: <20201123002723.28463-1-digetx@gmail.com> <20201123002723.28463-10-digetx@gmail.com> From: Dmitry Osipenko Message-ID: Date: Mon, 23 Nov 2020 15:14:20 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.2 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Mailman-Approved-At: Tue, 24 Nov 2020 08:08:40 +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: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" MjMuMTEuMjAyMCAxMDowMiwgQ2hhbndvbyBDaG9pINC/0LjRiNC10YI6Cj4gSGkgRG1pdHJ5LAo+ IAo+IE9uIDExLzIzLzIwIDk6MjcgQU0sIERtaXRyeSBPc2lwZW5rbyB3cm90ZToKPj4gVGhpcyBw YXRjaCBtb3ZlcyBBQ1RNT04gZHJpdmVyIGF3YXkgZnJvbSBnZW5lcmF0aW5nIE9QUCB0YWJsZSBi eSBpdHNlbGYsCj4+IHRyYW5zaXRpb25pbmcgaXQgdG8gdXNlIHRoZSB0YWJsZSB3aGljaCBjb21l cyBmcm9tIGRldmljZS10cmVlLiBUaGlzCj4+IGNoYW5nZSBicmVha3MgY29tcGF0aWJpbGl0eSB3 aXRoIG9sZGVyIGRldmljZS10cmVlcyBhbmQgYnJpbmdzIHN1cHBvcnQKPj4gZm9yIHRoZSBpbnRl cmNvbm5lY3QgZnJhbWV3b3JrIHRvIHRoZSBkcml2ZXIuIFRoaXMgaXMgYSBtYW5kYXRvcnkgY2hh bmdlCj4+IHdoaWNoIG5lZWRzIHRvIGJlIGRvbmUgaW4gb3JkZXIgdG8gaW1wbGVtZW50IGludGVy Y29ubmVjdC1iYXNlZCBtZW1vcnkKPj4gRFZGUywgaS5lLiBkZXZpY2UtdHJlZXMgbmVlZCB0byBi ZSB1cGRhdGVkLiBOb3cgQUNUTU9OIGlzc3VlcyBhIG1lbW9yeQo+PiBiYW5kd2lkdGggcmVxdWVz dHMgdXNpbmcgZGV2X3BtX29wcF9zZXRfYncoKSBpbnN0ZWFkIG9mIGRyaXZpbmcgRU1DIGNsb2Nr Cj4+IHJhdGUgZGlyZWN0bHkuCj4+Cj4+IFRlc3RlZC1ieTogUGV0ZXIgR2VpcyA8cGd3aXBlb3V0 QGdtYWlsLmNvbT4KPj4gVGVzdGVkLWJ5OiBOaWNvbGFzIENoYXV2ZXQgPGt3aXphcnRAZ21haWwu Y29tPgo+PiBBY2tlZC1ieTogQ2hhbndvbyBDaG9pIDxjdzAwLmNob2lAc2Ftc3VuZy5jb20+Cj4+ IFNpZ25lZC1vZmYtYnk6IERtaXRyeSBPc2lwZW5rbyA8ZGlnZXR4QGdtYWlsLmNvbT4KPj4gLS0t Cj4+ICBkcml2ZXJzL2RldmZyZXEvdGVncmEzMC1kZXZmcmVxLmMgfCA3OSArKysrKysrKysrKysr KystLS0tLS0tLS0tLS0tLS0tCj4+ICAxIGZpbGUgY2hhbmdlZCwgMzcgaW5zZXJ0aW9ucygrKSwg NDIgZGVsZXRpb25zKC0pCj4+Cj4gCj4gKHNuaXApCgpIZWxsbyBDaGFud29vLAoKPiBXaGVuIHRo ZSBwYXRjaGVzIHJlbGF0ZWQgdG8gaWNjIGFyZSBtZXJnZWQsIEknbGwgbWVyZ2UgcGF0Y2g5LzEw Lgo+IFRoYW5rcyBmb3IgeW91ciB3b3JrLgo+IAoKQWxyaWdodCwgdGhhbmsgeW91IQpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGlu ZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK