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[209.85.220.41]) by mx.google.com with SMTPS id 5b1f17b1804b1-42caf308b12sor35782455e9.12.2024.09.11.08.11.03 for (Google Transport Security); Wed, 11 Sep 2024 08:11:03 -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:a05:600c:1d0f:b0:42c:b4f1:f281 with SMTP id 5b1f17b1804b1-42cb4f1f41amr90384215e9.34.1726067463002; Wed, 11 Sep 2024 08:11:03 -0700 (PDT) Received: from dario-ThinkPad-T14s-Gen-2i.amarulasolutions.com ([2.196.41.3]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42cb116f44esm137688375e9.45.2024.09.11.08.11.02 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2024 08:11:02 -0700 (PDT) From: Dario Binacchi To: linux-amarula@amarulasolutions.com Subject: [PATCH v2 23/27] video: mxsfb: support simple frame-buffer Date: Wed, 11 Sep 2024 17:10:35 +0200 Message-ID: <20240911151039.2914886-23-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240911151039.2914886-1-dario.binacchi@amarulasolutions.com> References: <20240911151039.2914886-1-dario.binacchi@amarulasolutions.com> 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=JqgsZO5X; 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: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , If you want to pass the frame-buffer to the kernel, the video output is initialized by U-Boot, and kept by the kernel. The patch does not turn off the power domains or reset the peripheral if you want to support such feature. Co-Developed-by: Michael Trimarchi Signed-off-by: Michael Trimarchi Signed-off-by: Dario Binacchi --- drivers/video/mxsfb.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 4186ccd00209..254e470230c7 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -424,7 +424,8 @@ static int mxs_video_remove(struct udevice *dev) if (priv->disp_dev) device_remove(priv->disp_dev, DM_REMOVE_NORMAL); - mxs_remove_common(priv->reg_base, plat->base); + if (!IS_ENABLED(CONFIG_VIDEO_DT_SIMPLEFB)) + mxs_remove_common(priv->reg_base, plat->base); return 0; } @@ -447,6 +448,10 @@ U_BOOT_DRIVER(mxs_video) = { .bind = mxs_video_bind, .probe = mxs_video_probe, .remove = mxs_video_remove, +#if !IS_ENABLED(CONFIG_VIDEO_DT_SIMPLEFB) .flags = DM_FLAG_PRE_RELOC | DM_FLAG_OS_PREPARE, +#else + .flags = DM_FLAG_PRE_RELOC | DM_FLAG_OS_PREPARE | DM_FLAG_LEAVE_PD_ON, +#endif .priv_auto = sizeof(struct mxsfb_priv), };