From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF7D94446EE; Wed, 15 Jul 2026 11:57:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784116652; cv=none; b=DXTTpOpehIKuHbBRpPmxKP6YDNNKS5XcpiYmRLqHVl55fUKklQRgB27q0uuzM/iJbGToWTWLb9tWYqA0VoUPQerO1avwxOGs8H3EQZAQxD0R03aPgTKc00E/PJFJrxOrjvBO9clPfxo2I+Qc60VJYuwckUByPGUkWIoIiaPPjwk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784116652; c=relaxed/simple; bh=ygstzEkP+JyZmGcQ7tRnuvfQYRLdyR6bfVZsm5RzxQY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=o11YCexFC/Fv2JuBDkwS/AxQW1PUvt2ipiKPpvxUVpI3HlUF/pTsq1fhRyMqlVRR+4hTIdQzTWBNZhw6mpKlk8Bd+cKeb6pPJiN7xW59663FCDHhZJkblRrMh0ast+Jcz7pRsCIevdBAOJFmKqilA7s2eGl66Nshe6gO0jyexys= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=BdB3UVJw; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="BdB3UVJw" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1784116648; bh=ygstzEkP+JyZmGcQ7tRnuvfQYRLdyR6bfVZsm5RzxQY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=BdB3UVJwnodQo8Cy8oL0ZTippxQaEiXCbBb5Lq713EfsjOJylM/LuKN/oL0BNYkSJ ImuP4A1tymrkeOYuDScouAbUrkeUtjT8HEcOs2jW1WlmPsD9AIo6kLpSMrmHqmJl9h RK+XHMJtjK1kuInm4xj9wi+aVnyXoJWGddfVFLcHl/+qclxqDr2QElORH3uzqVOejx prEsPDaPleQ/1fHggJY9FE1Pn2d/Xo0irxR2tFr0sw2ncPJhu7c00YDVaTaIcI224h fUUm2sqVeQJrpVJZtGHREIt8EB9weUkOLXwxjm2SrB2voH+shzOuZ6gkMS5Zvdbm7k 3nZHajprWomKQ== Received: from [100.64.1.21] (unknown [100.64.1.21]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 3C09017E0A4E; 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 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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