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Wed, 15 Jul 2026 13:57:28 +0200 (CEST) Message-ID: <821ce2b4-2630-4110-b493-b31c5d04556a@collabora.com> Date: Wed, 15 Jul 2026 13:57:27 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/2] phy: mediatek: Add support for MT8196 MIPI DSI PHY To: Vinod Koul Cc: chunfeng.yun@mediatek.com, neil.armstrong@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, chunkuang.hu@kernel.org, p.zabel@pengutronix.de, matthias.bgg@gmail.com, justin.yeh@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, kernel@collabora.com References: <20260713103805.23030-1-angelogioacchino.delregno@collabora.com> <20260713103805.23030-3-angelogioacchino.delregno@collabora.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260715_045731_380999_B88365D3 X-CRM114-Status: GOOD ( 11.74 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On 7/14/26 18:42, Vinod Koul wrote: > On 13-07-26, 12:38, AngeloGioacchino Del Regno wrote: >> Add support for the MIPI DSI PHY found in the MediaTek MT8196 SoC >> and its variants. >> This PHY has a different register layout and provides support for >> more hardware features compared to the previous generation. >> >> This initial driver only adds support for basic functionality that >> is necessary to drive MIPI DSI displays as a D-PHY. >> >> Feature additions like lane-swap, DPHY/CPHY switching, dual-port, >> and others, may be done in the future. > > This seems to fail to build > > https://patchwork.kernel.org/project/linux-phy/patch/20260713103805.23030-2-angelogioacchino.delregno@collabora.com/ > The failure in your log is: make[7]: *** Deleting file 'drivers/gpu/drm/msm/msm_gem.o' Segmentation fault (core dumped) make[7]: *** [../scripts/Makefile.build:289: drivers/gpu/drm/msm/msm_gem.o] Error 139 make[6]: *** [../scripts/Makefile.build:549: drivers/gpu/drm/msm] Error 2 ...your build server is experiencing some hardware issues maybe? :-) In any case, I've just rechecked this series, and it builds fine here, with: ce1b90b20bbc (HEAD) phy: mediatek: Add support for MT8196 MIPI DSI PHY 522a9d162c98 dt-bindings: phy: mediatek,dsi-phy: Add support for MT8196 49362394dad7 (tag: next-20260713, next/master, next/HEAD) Add linux-next specific files for 20260713 With CONFIG_PHY_MTK_MIPI_DSI=m : AR drivers/phy/mediatek/built-in.a CC [M] drivers/phy/mediatek/phy-mtk-mipi-dsi.o CC [M] drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8173.o CC [M] drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.o CC [M] drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8196.o UPD kernel/config_data GZIP kernel/config_data.gz CC kernel/configs.o LD [M] drivers/phy/mediatek/phy-mtk-mipi-dsi-drv.o AR drivers/phy/built-in.a AR kernel/built-in.a AR drivers/built-in.a AR built-in.a AR built-in-fixup.a COPY vmlinux.a LD vmlinux.o MODPOST Module.symvers CC .vmlinux.export.o UPD include/generated/utsversion.h CC init/version-timestamp.o KSYMS .tmp_vmlinux0.kallsyms.S AS .tmp_vmlinux0.kallsyms.o LD .tmp_vmlinux1 LD [M] drivers/phy/mediatek/phy-mtk-mipi-dsi-drv.ko NM .tmp_vmlinux1.syms ......[ etc etc ]...... With CONFIG_PHY_MTK_MIPI_DSI=y : CC drivers/phy/mediatek/phy-mtk-mipi-dsi.o CC drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8173.o CC drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.o CC drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8196.o UPD kernel/config_data GZIP kernel/config_data.gz CC kernel/configs.o AR drivers/phy/mediatek/built-in.a AR drivers/phy/built-in.a AR kernel/built-in.a AR drivers/built-in.a AR built-in.a AR built-in-fixup.a COPY vmlinux.a LD vmlinux.o MODPOST Module.symvers ......[ etc etc ]...... Regards, Angelo