From patchwork Fri Mar 17 08:17:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lee Jones X-Patchwork-Id: 13178729 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 67F77C6FD1D for ; Fri, 17 Mar 2023 08:25:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Fri, 17 Mar 2023 08:23:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E3AEC433A0; Fri, 17 Mar 2023 08:23:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679041433; bh=ok0j9ISAJdgCP3cxdqxCuQtsbBTIBD8uq8kYJDLeLlc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Wf4WNk2z6Cs+Ut5ipokBOtyNqRyMdQYzuDp6IJy3neIagKzefvfGjmGE0ZUm3ydt4 JoZ4J9umpVgdxT5g66M9CMphDih/HDxxTCC1ILisDgjqzv7RcEhhi2Cs8AfZTcqVh6 gHtERvl2mK9emMQloOTrY/bIxVSgMbWj9/xiSFNXN+N4txGsY43/07YElbKgoAJNjZ GPIc+vs+BIpNS0gQbfJV7b3q1PdtJW9NAiRfvrWushCGPE1VBDcmVwYTlP4qn/CSe6 PAjRezZ9q3x7KVQV76+3FV5mJHQOIf1A0dNNKhdVC+kicPPcmXzNeuuhOOf0+AFNoQ wpbCrW+/lXgoQ== From: Lee Jones To: lee@kernel.org, dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org, Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-arm-kernel@lists.infradead.org Subject: [PATCH 37/37] drm/bridge/imx/Kconfig: Prevent imx-ldb-helper from appearing in 2 separate modules Date: Fri, 17 Mar 2023 08:17:18 +0000 Message-Id: <20230317081718.2650744-38-lee@kernel.org> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog In-Reply-To: <20230317081718.2650744-1-lee@kernel.org> References: <20230317081718.2650744-1-lee@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230317_012356_371698_F5D726FA X-CRM114-Status: GOOD ( 13.48 ) 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 Fixes the following W=1 kernel build warning(s): scripts/Makefile.build:252: drivers/gpu/drm/bridge/imx/Makefile: imx-ldb-helper.o is added to multiple modules: imx8qm-ldb imx8qxp-ldb Cc: Liu Ying Cc: Andrzej Hajda Cc: Neil Armstrong Cc: Robert Foss Cc: Laurent Pinchart Cc: Jonas Karlman Cc: Jernej Skrabec Cc: David Airlie Cc: Daniel Vetter Cc: Shawn Guo Cc: Sascha Hauer Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: NXP Linux Team Cc: dri-devel@lists.freedesktop.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Lee Jones --- drivers/gpu/drm/bridge/imx/Kconfig | 7 +++++++ drivers/gpu/drm/bridge/imx/Makefile | 7 +++++-- drivers/gpu/drm/bridge/imx/imx-ldb-helper.c | 13 +++++++++++++ 3 files changed, 25 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/imx/Kconfig b/drivers/gpu/drm/bridge/imx/Kconfig index 608f47f41bcd1..97018dcd078d0 100644 --- a/drivers/gpu/drm/bridge/imx/Kconfig +++ b/drivers/gpu/drm/bridge/imx/Kconfig @@ -1,10 +1,16 @@ if ARCH_MXC || COMPILE_TEST +config DRM_IMX8_LIB + tristate + help + Common helper functions used by some of the drivers below. + config DRM_IMX8QM_LDB tristate "Freescale i.MX8QM LVDS display bridge" depends on OF depends on COMMON_CLK select DRM_KMS_HELPER + select DRM_IMX8_LIB help Choose this to enable the internal LVDS Display Bridge(LDB) found in Freescale i.MX8qm processor. Official name of LDB is pixel mapper. @@ -14,6 +20,7 @@ config DRM_IMX8QXP_LDB depends on OF depends on COMMON_CLK select DRM_KMS_HELPER + select DRM_IMX8_LIB help Choose this to enable the internal LVDS Display Bridge(LDB) found in Freescale i.MX8qxp processor. Official name of LDB is pixel mapper. diff --git a/drivers/gpu/drm/bridge/imx/Makefile b/drivers/gpu/drm/bridge/imx/Makefile index aa90ec8d54336..e1146b0347014 100644 --- a/drivers/gpu/drm/bridge/imx/Makefile +++ b/drivers/gpu/drm/bridge/imx/Makefile @@ -1,7 +1,10 @@ -imx8qm-ldb-objs := imx-ldb-helper.o imx8qm-ldb-drv.o +imx-ldb-lib-objs := imx-ldb-helper.o +obj-$(CONFIG_DRM_IMX8_LIB) += imx-ldb-lib.o + +imx8qm-ldb-objs := imx8qm-ldb-drv.o obj-$(CONFIG_DRM_IMX8QM_LDB) += imx8qm-ldb.o -imx8qxp-ldb-objs := imx-ldb-helper.o imx8qxp-ldb-drv.o +imx8qxp-ldb-objs := imx8qxp-ldb-drv.o obj-$(CONFIG_DRM_IMX8QXP_LDB) += imx8qxp-ldb.o obj-$(CONFIG_DRM_IMX8QXP_PIXEL_COMBINER) += imx8qxp-pixel-combiner.o diff --git a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c index 7338b84bc83d2..4cd570947b093 100644 --- a/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c +++ b/drivers/gpu/drm/bridge/imx/imx-ldb-helper.c @@ -19,12 +19,14 @@ bool ldb_channel_is_single_link(struct ldb_channel *ldb_ch) { return ldb_ch->link_type == LDB_CH_SINGLE_LINK; } +EXPORT_SYMBOL_GPL(ldb_channel_is_single_link); bool ldb_channel_is_split_link(struct ldb_channel *ldb_ch) { return ldb_ch->link_type == LDB_CH_DUAL_LINK_EVEN_ODD_PIXELS || ldb_ch->link_type == LDB_CH_DUAL_LINK_ODD_EVEN_PIXELS; } +EXPORT_SYMBOL_GPL(ldb_channel_is_split_link); int ldb_bridge_atomic_check_helper(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, @@ -38,6 +40,7 @@ int ldb_bridge_atomic_check_helper(struct drm_bridge *bridge, return 0; } +EXPORT_SYMBOL_GPL(ldb_bridge_atomic_check_helper); void ldb_bridge_mode_set_helper(struct drm_bridge *bridge, const struct drm_display_mode *mode, @@ -69,6 +72,7 @@ void ldb_bridge_mode_set_helper(struct drm_bridge *bridge, break; } } +EXPORT_SYMBOL_GPL(ldb_bridge_mode_set_helper); void ldb_bridge_enable_helper(struct drm_bridge *bridge) { @@ -81,6 +85,7 @@ void ldb_bridge_enable_helper(struct drm_bridge *bridge) */ regmap_write(ldb->regmap, ldb->ctrl_reg, ldb->ldb_ctrl); } +EXPORT_SYMBOL_GPL(ldb_bridge_enable_helper); void ldb_bridge_disable_helper(struct drm_bridge *bridge) { @@ -95,6 +100,7 @@ void ldb_bridge_disable_helper(struct drm_bridge *bridge) regmap_write(ldb->regmap, ldb->ctrl_reg, ldb->ldb_ctrl); } +EXPORT_SYMBOL_GPL(ldb_bridge_disable_helper); int ldb_bridge_attach_helper(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) @@ -117,6 +123,7 @@ int ldb_bridge_attach_helper(struct drm_bridge *bridge, ldb_ch->next_bridge, bridge, DRM_BRIDGE_ATTACH_NO_CONNECTOR); } +EXPORT_SYMBOL_GPL(ldb_bridge_attach_helper); int ldb_init_helper(struct ldb *ldb) { @@ -157,6 +164,7 @@ int ldb_init_helper(struct ldb *ldb) return 0; } +EXPORT_SYMBOL_GPL(ldb_init_helper); int ldb_find_next_bridge_helper(struct ldb *ldb) { @@ -184,6 +192,7 @@ int ldb_find_next_bridge_helper(struct ldb *ldb) return 0; } +EXPORT_SYMBOL_GPL(ldb_find_next_bridge_helper); void ldb_add_bridge_helper(struct ldb *ldb, const struct drm_bridge_funcs *bridge_funcs) @@ -204,6 +213,7 @@ void ldb_add_bridge_helper(struct ldb *ldb, drm_bridge_add(&ldb_ch->bridge); } } +EXPORT_SYMBOL_GPL(ldb_add_bridge_helper); void ldb_remove_bridge_helper(struct ldb *ldb) { @@ -219,3 +229,6 @@ void ldb_remove_bridge_helper(struct ldb *ldb) drm_bridge_remove(&ldb_ch->bridge); } } +EXPORT_SYMBOL_GPL(ldb_remove_bridge_helper); + +MODULE_LICENSE("GPL v2");