Message ID | 20240101-tab3-display-fixes-v1-1-887ba4dbd16b@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[83.11.207.119]) by smtp.gmail.com with ESMTPSA id i15-20020a05640200cf00b0055404e08589sm15122045edu.85.2024.01.01.13.00.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Jan 2024 13:00:22 -0800 (PST) From: Artur Weber <aweber.kernel@gmail.com> Date: Mon, 01 Jan 2024 22:00:15 +0100 Subject: [PATCH 1/2] ARM: dts: exynos4212-tab3: add samsung,invert-vclk flag to fimd MIME-Version: 1.0 Message-Id: <20240101-tab3-display-fixes-v1-1-887ba4dbd16b@gmail.com> References: <20240101-tab3-display-fixes-v1-0-887ba4dbd16b@gmail.com> In-Reply-To: <20240101-tab3-display-fixes-v1-0-887ba4dbd16b@gmail.com> To: Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Alim Akhtar <alim.akhtar@samsung.com>, Neil Armstrong <neil.armstrong@linaro.org>, Jessica Zhang <quic_jesszhan@quicinc.com>, Sam Ravnborg <sam@ravnborg.org>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Artur Weber <aweber.kernel@gmail.com> X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1704142819; l=781; i=aweber.kernel@gmail.com; s=20231030; h=from:subject:message-id; bh=kgQ6hReH0wzI/acEF9QXTsrDq3bCAXF+wc7FhUZWg+4=; b=7ohf2QoqecR3WiauAHzQUR3+ckbuzk8rHVISPaWwZek5KfK2snxhjEVFaYXEd/XhZKmMWgcbW mL7cAAnGc+uCDAIE86dOdGOy9C0Y9j499m3IgkJ5UnsF480rkJKSsaU X-Developer-Key: i=aweber.kernel@gmail.com; a=ed25519; pk=RhDBfWbJEHqDibXbhNEBAnc9FMkyznGxX/hwfhL8bv8= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240101_130025_086259_46518D46 X-CRM114-Status: GOOD ( 13.58 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
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Fix panel polarity mixup in S6D7AA0 panel driver and Galaxy Tab 3 8.0 DTSI
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diff --git a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi index d7954ff466b4..e5254e32aa8f 100644 --- a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi +++ b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi @@ -434,6 +434,7 @@ &exynos_usbphy { }; &fimd { + samsung,invert-vclk; status = "okay"; };
After more investigation, I've found that it's not the panel driver config that needs to be modified to invert the data polarity, but the FIMD config. Add the missing invert-vclk option that is required to get the display to work correctly. Signed-off-by: Artur Weber <aweber.kernel@gmail.com> --- arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi | 1 + 1 file changed, 1 insertion(+)