From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (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 2ACDC4279F9 for ; Thu, 3 Sep 2026 08:12:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788423126; cv=none; b=UU0njlsuRmfcSOo+zKqw8tUlQO5x/9tBA8LVpXD0i2ny21XZaN2OlFE/gT9bLxCWK7aLS/YIxFCepTi/lqos3tXwgSKK6vUE2bQuqBCpWEswfIfL5xMgWWcXXcbnQlBkQrKdmCf15k4RA/tYYLDXbG6/r7LW9zhfnY1yLD7cQ9M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788423126; c=relaxed/simple; bh=nULUGA3n2BmBShdjsrB4wzJd34gxRhOiUYqbAmjy7Qg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jqK8EqSxQzclAqMH6zLK7iEAZ+AKBaNkj6IQ4E16XBr/WkwbmCV8RqhbubkIoR0Jr9SidKcdK+6monchl1yzzQK9zp2rM24kLGsxHIqjgu5yPRypYmbgO1BvfRRkEUgD+ySBn+LtlVnk5jl18+GH7BvsKCp7mGI94r69k0aYINs= 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=fXn6Z+tM; arc=none smtp.client-ip=185.246.84.56 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="fXn6Z+tM" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 79D571A1987; Thu, 3 Sep 2026 08:11:59 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 4B7E9602B8; Thu, 3 Sep 2026 08:11:59 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 9A9EB11C79FA7; Thu, 3 Sep 2026 10:11:50 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1788423114; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=Ac6U1uxwnHyqeacioJQ51BQAAM/qss/MivOMoo/pCxg=; b=fXn6Z+tMM6gsvXei6kOvXN66XIeWZZvoQbXMrd/EKBqeFsiXIUNvYpiOgwVPQRH+cEovmL wc9lfJauwFxuWHF2y+CeyZcr5Sz9qb3qHiFzZAQHNFwKuLbCmSI6UeB+mjngpU5hJyvvPv Qbl9iwpvTAvHge6+6Bv49ZJeG99/KuDP7ttfhBp0ci5bOC6M95ahlcW9Uk/f/iLuKxw8Ys 5qFoZiQcE4hF82VKYcIefC1oUftn6nDPDh+UdOObWsoCL3gupa8Wu4R9SGG3a0pzSoi/gt NcNVVHXXVPIO2Y2izkhhrDgZEcVVHdS4a3VHk8oJaiRfLHYEFt0Cl3jJQsThAg== From: Luca Ceresoli Date: Thu, 03 Sep 2026 10:11:06 +0200 Subject: [PATCH RFC v2 03/19] drm/panel: move to a new module 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-v2-3-2ab8ee24538e@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 Work is in progress for every drm_panel to embed a drm_bridge, which will make the drm_panel code (currently in the drm module) depend on the drm_kms_helper module. To avoid the main drm module to depend on other drm modules and create a depepdency loop, move drm_panel.o to a new drm_panel module, so the module dependency will be drm_panel -> drm_kms_helper instead. Signed-off-by: Luca Ceresoli --- drivers/gpu/drm/Makefile | 2 +- drivers/gpu/drm/panel/Kconfig | 2 +- include/drm/drm_panel.h | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index c4509e7fd248..9a8df14ef628 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -79,7 +79,6 @@ drm-$(CONFIG_DRM_CLIENT) += \ drm_client_modeset.o \ drm_client_sysrq.o drm-$(CONFIG_COMPAT) += drm_ioc32.o -drm-$(CONFIG_DRM_PANEL) += drm_panel.o drm-$(CONFIG_OF) += drm_of.o drm-$(CONFIG_PCI) += drm_pci.o drm-$(CONFIG_DEBUG_FS) += \ @@ -96,6 +95,7 @@ drm-$(CONFIG_DRM_PANIC_SCREEN_QR_CODE) += drm_panic_qr.o drm-$(CONFIG_DRM_RAS) += drm_ras.o drm_ras_nl.o drm_ras_genl_family.o obj-$(CONFIG_DRM) += drm.o +obj-$(CONFIG_DRM_PANEL) += drm_panel.o obj-$(CONFIG_DRM_PANEL_ORIENTATION_QUIRKS) += drm_panel_orientation_quirks.o obj-$(CONFIG_DRM_PANEL_BACKLIGHT_QUIRKS) += drm_panel_backlight_quirks.o diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 747f47347521..0a79a0558101 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only config DRM_PANEL - bool + tristate depends on DRM help Panel registration and lookup framework. diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h index b87323443f49..08949d41d743 100644 --- a/include/drm/drm_panel.h +++ b/include/drm/drm_panel.h @@ -335,7 +335,7 @@ void drm_panel_disable(struct drm_panel *panel); int drm_panel_get_modes(struct drm_panel *panel, struct drm_connector *connector); -#if defined(CONFIG_OF) && defined(CONFIG_DRM_PANEL) +#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL) struct drm_panel *of_drm_find_panel(const struct device_node *np); #else static inline struct drm_panel *of_drm_find_panel(const struct device_node *np) @@ -344,7 +344,7 @@ static inline struct drm_panel *of_drm_find_panel(const struct device_node *np) } #endif -#if defined(CONFIG_DRM_PANEL) +#if IS_ENABLED(CONFIG_DRM_PANEL) bool drm_is_panel_follower(struct device *dev); int drm_panel_add_follower(struct device *follower_dev, struct drm_panel_follower *follower); -- 2.55.0