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[212.5.158.140]) by smtp.googlemail.com with ESMTPSA id s17sm2157278eju.80.2020.06.18.05.25.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 18 Jun 2020 05:25:12 -0700 (PDT) Subject: Re: [PATCH v6 0/6] DVFS for IO devices on sdm845 and sc7180 To: Rajendra Nayak , Matthias Kaehlcke , Mark Brown Cc: bjorn.andersson@linaro.org, agross@kernel.org, robdclark@gmail.com, robdclark@chromium.org, viresh.kumar@linaro.org, sboyd@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <1592222564-13556-1-git-send-email-rnayak@codeaurora.org> <20200617221546.GC4525@google.com> <4f3d4c91-2a01-8ef5-1ad0-73ed354f930a@codeaurora.org> <9bb7fbb6-6309-3f30-dd4f-2ee3d187c074@linaro.org> <3ec9bc56-3e31-64fe-320a-2dc153a81f98@codeaurora.org> From: Stanimir Varbanov Message-ID: Date: Thu, 18 Jun 2020 15:25:10 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <3ec9bc56-3e31-64fe-320a-2dc153a81f98@codeaurora.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/18/20 3:11 PM, Rajendra Nayak wrote: > > Hey Stan, >   >> On 6/18/20 7:47 AM, Rajendra Nayak wrote: >>> Hey Matthias, thanks for summarizing this. >>> >>> On 6/18/2020 3:45 AM, Matthias Kaehlcke wrote: >>>> What is the plan for landing these, it seems not all must/should >>>> go through the QCOM tree. >>>> >>>> My guesses: >>>> >>>> tty: serial: qcom_geni_serial: Use OPP API to set clk/perf state >>>> spi: spi-geni-qcom: Use OPP API to set clk/perf state >>>>     QCOM tree due to shared dependency on change in >>>> include/linux/qcom-geni-se.h >>> >>> That's correct, Bjorn/Andy, can these be pulled in now for 5.9? >>> They have acks from Greg for serial and Mark for the spi patch. >>>   >>>> drm/msm/dpu: Use OPP API to set clk/perf state >>>> drm/msm: dsi: Use OPP API to set clk/perf state >>>>     drm/msm tree >>> >>> Correct, the dsi patch is still not reviewed by Rob, so once that's >>> done, >>> I am guessing Rob would pull both of these. >>> >>>> >>>> media: venus: core: Add support for opp tables/perf voting >>>>     venus tree >>> >>> correct, this is pending review/ack from Stan. >> >> I tested the changes in the driver, and they looks fine. But when >> applied the corresponding change in the DT node I see this message when >> the streaming is stopping: >> >> qcom_rpmh TCS Busy, retrying RPMH message send: addr=0x30000 >> >> I tested on v5.7 (linaro-integration). Should I be worried ? > > Is this seen on sdm845 or sc7180, or both? Seen on sdm845, I don't have sc7180 to test. I can try it on 5.8-rc1 integration-linux-qcomlt if you think there might be a fix in rpmh. -- regards, Stan