Message ID | 20241028102559.1451383-1-dario.binacchi@amarulasolutions.com |
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[209.85.220.41]) by mx.google.com with SMTPS id a640c23a62f3a-a9b1f29a506sor263974566b.16.2024.10.28.03.26.10 for <linux-amarula@amarulasolutions.com> (Google Transport Security); Mon, 28 Oct 2024 03:26:10 -0700 (PDT) Received-SPF: pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; X-Received: by 2002:a17:907:3f23:b0:a8a:8d81:97ac with SMTP id a640c23a62f3a-a9de5c9f5f9mr669847666b.4.1730111169568; Mon, 28 Oct 2024 03:26:09 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.amarulasolutions.com ([2.196.41.121]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9b1f297b04sm363613966b.134.2024.10.28.03.26.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Oct 2024 03:26:09 -0700 (PDT) From: Dario Binacchi <dario.binacchi@amarulasolutions.com> To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, Dario Binacchi <dario.binacchi@amarulasolutions.com>, Andrey Smirnov <andrew.smirnov@gmail.com>, Andrzej Hajda <andrzej.hajda@intel.com>, Conor Dooley <conor+dt@kernel.org>, David Airlie <airlied@gmail.com>, Fabio Estevam <festevam@gmail.com>, Inki Dae <inki.dae@samsung.com>, Jagan Teki <jagan@amarulasolutions.com>, Jernej Skrabec <jernej.skrabec@gmail.com>, Jessica Zhang <quic_jesszhan@quicinc.com>, Jonas Karlman <jonas@kwiboo.se>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Lucas Stach <l.stach@pengutronix.de>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Marek Szyprowski <m.szyprowski@samsung.com>, Marek Vasut <marex@denx.de>, Maxime Ripard <mripard@kernel.org>, Michael Trimarchi <michael@amarulasolutions.com>, Neil Armstrong <neil.armstrong@linaro.org>, Peng Fan <peng.fan@nxp.com>, Pengutronix Kernel Team <kernel@pengutronix.de>, Rob Herring <robh@kernel.org>, Robert Foss <rfoss@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Shawn Guo <shawnguo@kernel.org>, Shengjiu Wang <shengjiu.wang@nxp.com>, Simona Vetter <simona@ffwll.ch>, Stefan Agner <stefan@agner.ch>, Thomas Zimmermann <tzimmermann@suse.de>, Ulf Hansson <ulf.hansson@linaro.org>, =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Subject: [RFC PATCH 00/10] Support simple-framebuffer on imx8m Date: Mon, 28 Oct 2024 11:25:23 +0100 Message-ID: <20241028102559.1451383-1-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Original-Sender: dario.binacchi@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=eIbuy+Hc; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com; dara=pass header.i=@amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: <linux-amarula.amarulasolutions.com> X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: <https://groups.google.com/a/amarulasolutions.com/group/linux-amarula/post>, <mailto:linux-amarula@amarulasolutions.com> List-Help: <https://support.google.com/a/amarulasolutions.com/bin/topic.py?topic=25838>, <mailto:linux-amarula+help@amarulasolutions.com> List-Archive: <https://groups.google.com/a/amarulasolutions.com/group/linux-amarula/> List-Unsubscribe: <mailto:googlegroups-manage+476853432473+unsubscribe@googlegroups.com>, <https://groups.google.com/a/amarulasolutions.com/group/linux-amarula/subscribe> |
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Hi, On Mon, Oct 28, 2024 at 11:25:23AM +0100, Dario Binacchi wrote: > This series is the Linux counterpart of what was sent to U-Boot [1] > for the support of the simple-framebuffer for the BSH SMM S2Pro board. I'm confused. simple-framebuffer is a mechanism for which the entire point is that the kernel doesn't need the driver for. Why do you need to have patches for bridges and panels for simple-framebuffer? They won't be used. > The need to avoid re-initializing the hardware (power domains, > controllers, bridges, display panels) that has already been initialized > and kept powered on by the bootloader has required updating more than > one YAML file, with the addition of boolean properties to inform the > driver that the corresponding hardware has been initialized and left > on by the bootloader. All these properties are added on the fly by the > bootloader to the various relevant nodes. So it's not about simple-framebuffer at all, but rather that you don't want to re-initialize the hardware that has already been setup? If so, this isn't how you should do it, but rather: https://lore.kernel.org/all/CAKMK7uHtqHy_oz4W7F+hmp9iqp7W5Ra8CxPvJ=9BwmvfU-O0gg@mail.gmail.com/ Maxime To unsubscribe from this group and stop receiving emails from it, send an email to linux-amarula+unsubscribe@amarulasolutions.com.