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Mon, 23 Mar 2026 01:04:43 -0700 (PDT) Received: from [192.168.1.31] ([178.231.179.99]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9832f8dc51sm458431466b.22.2026.03.23.01.04.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Mar 2026 01:04:42 -0700 (PDT) Message-ID: <3bb1da4f-f2dc-421d-95f1-5bba9e3e1aec@gmail.com> Date: Mon, 23 Mar 2026 09:04:41 +0100 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/2] arm64: dts: qcom: Add Xiaomi 12 Lite 5G (taoyao) DTS To: Val Packett , devicetree@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-kernel@vger.kernel.org References: <20260305093941.305122-1-zstaseg@gmail.com> <20260305093941.305122-3-zstaseg@gmail.com> <9ea41e6c-7643-452e-abf4-f35238807a26@packett.cool> Content-Language: en-US From: Stanislav Zaikin In-Reply-To: <9ea41e6c-7643-452e-abf4-f35238807a26@packett.cool> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 3/21/26 8:36 AM, Val Packett wrote: > Hello again :) > > On 3/5/26 6:39 AM, Stanislav Zaikin wrote: >> Xiaomi 12 Lite 5G is a handset released in 2022 >> […] >> +    touchscreen@0 { >> +        compatible = "goodix,gt9916"; >> +        reg = <0>; >> + >> +        interrupts-extended = <&tlmm 81 IRQ_TYPE_LEVEL_LOW>; >> + >> +        reset-gpios = <&tlmm 105 GPIO_ACTIVE_LOW>; >> + >> +        avdd-supply = <&vreg_l7c_3p0>; >> +        vddio-supply = <&vreg_l2c_1p8>; >> + >> +        spi-max-frequency = <5000000>; >> + >> +        touchscreen-size-x = <10800>; >> +        touchscreen-size-y = <24000>; >> […] > > I have noticed this previously and started wondering why the size was > 10x higher. Now with my own device (motorola-dubai) I actually found > out why… > > With the actual 1080x2400 size, the mm values reported by libinput are > 10x higher than what they should be, e.g. touching the bottom right > corner with libinput debug-events: > >  event3   TOUCH_MOTION              2  +1.493s  0 (0) 98.80/98.75 > (1067.00/2370.00mm) > > (2.4 meter tall phone! :D) which was mooooostly "fine" except Phosh's > on-screen keyboard was accidentally detecting super-fast down swipes > as I was typing normally, and suddenly closing the keyboard as I was > typing. > I wonder why some other devices with gt9916 (there are a couple in mainline) that specifies 1080x2400. I don't think we can make this assumption unless there was a mistake already in those mainline dts. Best regards, Stanislav