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Sat, 28 Feb 2026 19:49:27 -0800 (PST) MIME-Version: 1.0 References: <20260228101907.18043-1-mitltlatltl@gmail.com> <20260228101907.18043-5-mitltlatltl@gmail.com> In-Reply-To: From: Pengyu Luo Date: Sun, 1 Mar 2026 11:49:10 +0800 X-Gm-Features: AaiRm53oZLI3cEOC6H1iwG89lbfTLYxPepZoGTGf8tU72v7-R0PVDG9WPFt8CG4 Message-ID: Subject: Re: [PATCH v2 4/4] arm64: dts: qcom: sc8280xp: Add dsi nodes on SC8280XP To: Dmitry Baryshkov Cc: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Krishna Manikandan , Jonathan Marek , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Tianyu Gao , White Lewis Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Sat, Feb 28, 2026 at 10:23=E2=80=AFPM Dmitry Baryshkov wrote: > > On Sat, Feb 28, 2026 at 09:57:19PM +0800, Pengyu Luo wrote: > > On Sat, Feb 28, 2026 at 9:32=E2=80=AFPM Dmitry Baryshkov > > wrote: > > > > > > On Sat, Feb 28, 2026 at 06:19:07PM +0800, Pengyu Luo wrote: > > > > The DT configuration follows other Samsung 5nm-based Qualcomm SOCs, > > > > utilizing the same register layouts and clock structures. > > > > > > > > However, DSI won't work properly for now until we submit dispcc fix= es. > > > > And some DSC enabled panels require DPU timing calculation fixes to= o. > > > > (hdisplay / width timing round errors cause the fifo error) > > > > > > - Please squash refgen patch into this one. > > > > Ack > > > > > - Please post at least the dispcc fixes. > > > > > > > Yes, it will come later with the panel driver. Lewis provided the > > patch but it was generated by Claude AI. The patch itself is not > > complicated, it only removes CLK_SET_RATE_PARENT from > > byte_div_clk_src dividers. But I need to find some time to analyze the > > dsi phy clock diagram and reword the commit log. > > Krzysztof wrote a perfect description in the commit b8501febdc51 ("clk: > qcom: dispcc-sm8750: Drop incorrect CLK_SET_RATE_PARENT on byte intf > parent"). > Thanks, that is very helpful. It's indeed the same problem.I'll post it in the next two or three days. Best wishes, Pengyu