linux-kernel - [PATCH v4 09/34] drm/mediatek: mtk_cec: Switch to register as module_platform

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Message-ID: <20250108112744.64686-10-angelogioacchino.delregno@collabora.com>
Date: Wed,  8 Jan 2025 12:27:19 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: chunkuang.hu@...nel.org
Cc: p.zabel@...gutronix.de,
	airlied@...il.com,
	simona@...ll.ch,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com,
	ck.hu@...iatek.com,
	jitao.shi@...iatek.com,
	jie.qiu@...iatek.com,
	junzhi.zhao@...iatek.com,
	dri-devel@...ts.freedesktop.org,
	linux-mediatek@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com,
	dmitry.baryshkov@...aro.org,
	lewis.liao@...iatek.com,
	ives.chenjh@...iatek.com,
	tommyyl.chen@...iatek.com,
	jason-jh.lin@...iatek.com
Subject: [PATCH v4 09/34] drm/mediatek: mtk_cec: Switch to register as module_platform_driver

In preparation for splitting out the common bits from the HDMI
driver, change the mtk_cec driver from being registered from the
HDMI driver itself to be a module_platform_driver of its own.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/gpu/drm/mediatek/Makefile   | 4 ++--
 drivers/gpu/drm/mediatek/mtk_cec.c  | 7 ++++++-
 drivers/gpu/drm/mediatek/mtk_hdmi.c | 2 +-
 drivers/gpu/drm/mediatek/mtk_hdmi.h | 1 -
 4 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile
index 32a2ed6c0cfe..bdd3a062f797 100644
--- a/drivers/gpu/drm/mediatek/Makefile
+++ b/drivers/gpu/drm/mediatek/Makefile
@@ -21,10 +21,10 @@ mediatek-drm-y := mtk_crtc.o \
 
 obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o
 
-mediatek-drm-hdmi-objs := mtk_cec.o \
-			  mtk_hdmi.o \
+mediatek-drm-hdmi-objs := mtk_hdmi.o \
 			  mtk_hdmi_ddc.o
 
+obj-$(CONFIG_DRM_MEDIATEK_HDMI) += mtk_cec.o
 obj-$(CONFIG_DRM_MEDIATEK_HDMI) += mediatek-drm-hdmi.o
 
 obj-$(CONFIG_DRM_MEDIATEK_DP) += mtk_dp.o
diff --git a/drivers/gpu/drm/mediatek/mtk_cec.c b/drivers/gpu/drm/mediatek/mtk_cec.c
index b42c0d87eba3..c7be530ca041 100644
--- a/drivers/gpu/drm/mediatek/mtk_cec.c
+++ b/drivers/gpu/drm/mediatek/mtk_cec.c
@@ -12,7 +12,6 @@
 #include <linux/platform_device.h>
 
 #include "mtk_cec.h"
-#include "mtk_hdmi.h"
 #include "mtk_drm_drv.h"
 
 #define TR_CONFIG		0x00
@@ -102,6 +101,7 @@ void mtk_cec_set_hpd_event(struct device *dev,
 	cec->hpd_event = hpd_event;
 	spin_unlock_irqrestore(&cec->lock, flags);
 }
+EXPORT_SYMBOL_NS_GPL(mtk_cec_set_hpd_event, "DRM_MTK_HDMI_V1");
 
 bool mtk_cec_hpd_high(struct device *dev)
 {
@@ -112,6 +112,7 @@ bool mtk_cec_hpd_high(struct device *dev)
 
 	return (status & (HDMI_PORD | HDMI_HTPLG)) == (HDMI_PORD | HDMI_HTPLG);
 }
+EXPORT_SYMBOL_NS_GPL(mtk_cec_hpd_high, "DRM_MTK_HDMI_V1");
 
 static void mtk_cec_htplg_irq_init(struct mtk_cec *cec)
 {
@@ -247,3 +248,7 @@ struct platform_driver mtk_cec_driver = {
 		.of_match_table = mtk_cec_of_ids,
 	},
 };
+module_platform_driver(mtk_cec_driver);
+
+MODULE_DESCRIPTION("MediaTek HDMI CEC Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index 70dc1d4460ad..9795e35499d6 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -1805,7 +1805,6 @@ static struct platform_driver mtk_hdmi_driver = {
 
 static struct platform_driver * const mtk_hdmi_drivers[] = {
 	&mtk_hdmi_ddc_driver,
-	&mtk_cec_driver,
 	&mtk_hdmi_driver,
 };
 
@@ -1827,3 +1826,4 @@ module_exit(mtk_hdmitx_exit);
 MODULE_AUTHOR("Jie Qiu <jie.qiu@...iatek.com>");
 MODULE_DESCRIPTION("MediaTek HDMI Driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS("DRM_MTK_HDMI_V1");
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.h b/drivers/gpu/drm/mediatek/mtk_hdmi.h
index 472bf141c92b..e40bc4651995 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.h
@@ -8,7 +8,6 @@
 
 struct platform_driver;
 
-extern struct platform_driver mtk_cec_driver;
 extern struct platform_driver mtk_hdmi_ddc_driver;
 
 #endif /* _MTK_HDMI_CTRL_H */
-- 
2.47.0