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X-CSE-ConnectionGUID: wLTuKKJvS5uEe8ivLhc3ew== X-CSE-MsgGUID: Yk3E/ZCrRXKmkvWbyVJD1w== X-IronPort-AV: E=Sophos;i="6.14,274,1736809200"; d="scan'208";a="43135474" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 25 Mar 2025 08:00:11 +0100 X-CheckPoint: {67E2547B-36-903EAEAC-E04C76C8} X-MAIL-CPID: 5ED2254210CBCBBAE887422E760A4071_5 X-Control-Analysis: str=0001.0A006372.67E25477.00AF,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id C2D251632F7; Tue, 25 Mar 2025 08:00:00 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1742886006; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IY1LRasI1a4gFwiAowe/BlaLi9qjAct5Q0v/7Pv3fzc=; b=g+LXzTJVJqyoxffvyz8jSMsqghsG9czM4ntoP70bldxrkl6PwZuP0nAC/iIQ1doTUeZu5e 2GK1wKUKixhDvNAFOvNRLAtM2ilE/aXqZLe5TXIzXg+Ss4hb+hDfCzHJR8GvbroSDCXlz8 3HH/9ZEi3aJ07NCXqcZ7vYT0UQ5zX4NmtP5cMZAk+J8JwuqguqjBu+/39+cdzcQk+NE0s0 +1cMiMmP2hiMeVFM0czr5iYVDb8/Szl/WpA5aEabwAQ9v+52eJDJ4qkchtBrDsaw3zRIvG ezps5JR5w/9paFGiHgw7unrftOPv6PqhrNMd6r0fxfmYfGArFAApZbWnFutKAA== From: Alexander Stein To: linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, Marek Vasut Cc: Boris Brezillon , Conor Dooley , David Airlie , Fabio Estevam , Krzysztof Kozlowski , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Pengutronix Kernel Team , Philipp Zabel , Rob Herring , Sascha Hauer , Sebastian Reichel , Shawn Guo , Simona Vetter , Steven Price , Thomas Zimmermann , devicetree@vger.kernel.org, imx@lists.linux.dev Subject: Re: [PATCH v2 9/9] arm64: dts: imx95: Describe Mali G310 GPU Date: Tue, 25 Mar 2025 08:00:00 +0100 Message-ID: <4643598.LvFx2qVVIh@steina-w> Organization: TQ-Systems GmbH In-Reply-To: References: <20250321200625.132494-1-marex@denx.de> <6144881.lOV4Wx5bFT@steina-w> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250325_000015_541974_79BCE0F6 X-CRM114-Status: GOOD ( 12.71 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Marek, Am Dienstag, 25. M=E4rz 2025, 00:35:41 CET schrieb Marek Vasut: > On 3/24/25 8:02 AM, Alexander Stein wrote: >=20 > Hi, >=20 > >> @@ -1890,6 +1919,35 @@ netc_emdio: mdio@0,0 { > >> }; > >> }; > >> =20 > >> + gpu_blk_ctrl: reset-controller@4d810000 { > >> + compatible =3D "nxp,imx95-gpu-blk-ctrl"; > >> + reg =3D <0x0 0x4d810000 0x0 0xc>; > >> + #reset-cells =3D <1>; > >> + clocks =3D <&scmi_clk IMX95_CLK_GPUAPB>; > >> + assigned-clocks =3D <&scmi_clk IMX95_CLK_GPUAPB>; > >> + assigned-clock-parents =3D <&scmi_clk IMX95_CLK_SYSPLL1_PFD1_DIV2>; > >> + assigned-clock-rates =3D <133333333>; > >> + power-domains =3D <&scmi_devpd IMX95_PD_GPU>; > >> + }; > >=20 > > With the SM release lf-6.12.3-1.0.0 AP does not have any access to > > this BLK_CTRL anymore. See [1] > I just built SM 6.12 and it still requires the reset, without reset I=20 > cannot use the GPU ... or ... which BLK CTRL do you refer to ? I'm specifically looking at [1]. AFAIU after that change AP has no access to BLK_CTRL_GPUMIX. But this is just from looking at the changes. Best regards Alexander [1] https://github.com/nxp-imx/imx-sm/commit/a3e5da9ea51144f513ac3909fa151f= a7df394100 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/