From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 D70472F12AB for ; Thu, 3 Sep 2026 08:13:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788423195; cv=none; b=iCDalv9b9AO7UcI+44++gdmHmOPmXa/nN3QHPucC7U1BRGm7jnqNJoVhT1QdJbB7jVvE0vFGD3bqb78HNZBqJul6q32XQVlc52fnAvlhO+Q2my3qS4HwbAo8vORYerj1mM+xWeQT52wzkfxJXhRrlFpL5EDVTXnr2UEJcLKdou4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788423195; c=relaxed/simple; bh=e3NOUGpJRgMU4g8QFCewMxGVZrbk2apppWHc5dnPbyo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nfYDKmsIdctTrrsroWiIrfODmh36Pe/A99SOL+JGItjGBLKsg9dQRrz+0T6aAlF9weI7odJfKm74chT1XTvCJO8AF5gEHpJh/WGJEBtEUo2JW6L18VbfJcH/P/MAnazDO6Gj4cEfyzMCY4m4PPc/mGy5xoQ/5nzE8WtlhK46+PQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=GsnxoZKX; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="GsnxoZKX" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 474B84E414F5; Thu, 3 Sep 2026 08:13:12 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 13D90602B8; Thu, 3 Sep 2026 08:13:12 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 0473C11C79F4D; Thu, 3 Sep 2026 10:12:51 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1788423175; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=HYCMT8VtWEaiVcbE2PWOYsld3eu/5IQr0fQ+hFOrJzY=; b=GsnxoZKX3h/IZ38IzfqXC8ijor0y6YgNu9uq1uedTvyWtvbftXBk3QmR8IM6Pwr4qGPRNr 09aP7CbL6uymsYMbMbnkC7NOZFHMfZusggRa8f/uuSI3fjgd7plQHx+8RJhT+ifWcJ4ZiT YYd01Le5rSBFZtvqi6rtjNJPJWjq+uXdBRQRrEkAoyF8r4fGLbKkP3yeMbOAKH0MJbhpof S5C2vmxiDFHXIZ2dHdrKNnSUQZ2r7dtqRPttq1qGgV0G4niK9oGJZU82mhMAc5CgiSGp0e iWh+GohehSGy4pgu5rweVKSZF74LFRx1lCn4wqPa0/TWr/uv717sVMr5W12Vxw== From: Luca Ceresoli Date: Thu, 03 Sep 2026 10:11:16 +0200 Subject: [PATCH RFC v2 13/19] drm/bridge: tc358768: don't create a panel_bridge Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260903-drm-bridge-every-panel-v2-13-2ab8ee24538e@bootlin.com> References: <20260903-drm-bridge-every-panel-v2-0-2ab8ee24538e@bootlin.com> In-Reply-To: <20260903-drm-bridge-every-panel-v2-0-2ab8ee24538e@bootlin.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Jessica Zhang , Linus Walleij , Inki Dae , Jagan Teki , Marek Szyprowski Cc: Albert Esteve , Anusha Srivatsa , Dmitry Baryshkov , Hui Pu , Ian Ray , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Luca Ceresoli X-Mailer: b4 0.16.0 X-Last-TLS-Session-Version: TLSv1.3 Now a panel_bridge is automatically created for every drm_panel, so this call to drm_panel_bridge_add_typed() would lead to creating a second bridge for the same panel. Update and simplify the code by just getting a reference to the already-existing bridge. As of_drm_get_bridge_by_endpoint() returns a refcounted bridge, take care of putting the bridge reference by using bridge->next_bridge. Signed-off-by: Luca Ceresoli --- drivers/gpu/drm/bridge/Kconfig | 2 -- drivers/gpu/drm/bridge/tc358768.c | 25 ++++++------------------- 2 files changed, 6 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index eb16f858459d..f897058462c8 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -408,8 +408,6 @@ config DRM_TOSHIBA_TC358768 depends on OF select DRM_KMS_HELPER select REGMAP_I2C - select DRM_PANEL - select DRM_PANEL_BRIDGE select DRM_MIPI_DSI select VIDEOMODE_HELPERS help diff --git a/drivers/gpu/drm/bridge/tc358768.c b/drivers/gpu/drm/bridge/tc358768.c index d1fc6af37cc5..cc989ab5cf25 100644 --- a/drivers/gpu/drm/bridge/tc358768.c +++ b/drivers/gpu/drm/bridge/tc358768.c @@ -22,7 +22,6 @@ #include #include #include -#include #include