[PATCH 20/36] drm/omap: remove all EXPORT_SYMBOLs from dispc.c

[Tomi Valkeinen <tomi.valkeinen@xxxxxx>]

omapdrm now uses dispc_ops instead of direct function calls so we can
remove all EXPORT_SYMBOLs from dispc. Most of the functions can also be
made static, but a few are used outside dispc.c.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
 drivers/gpu/drm/omapdrm/dss/dispc.c   | 87 +++++++++++++----------------------
 drivers/gpu/drm/omapdrm/dss/dss.h     |  3 ++
 drivers/gpu/drm/omapdrm/dss/omapdss.h | 43 -----------------
 3 files changed, 34 insertions(+), 99 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index 00cddb119dab..cfc6daf2cedf 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -306,6 +306,10 @@ static unsigned long dispc_mgr_pclk_rate(enum omap_channel channel);
 static unsigned long dispc_plane_pclk_rate(enum omap_plane plane);
 static unsigned long dispc_plane_lclk_rate(enum omap_plane plane);
 
+static void dispc_clear_irqstatus(u32 mask);
+static bool dispc_mgr_is_enabled(enum omap_channel channel);
+static void dispc_clear_irqstatus(u32 mask);
+
 static inline void dispc_write_reg(const u16 idx, u32 val)
 {
 	__raw_writel(val, dispc.base + idx);
@@ -581,7 +585,6 @@ int dispc_runtime_get(void)
 	WARN_ON(r < 0);
 	return r < 0 ? r : 0;
 }
-EXPORT_SYMBOL(dispc_runtime_get);
 
 void dispc_runtime_put(void)
 {
@@ -592,41 +595,36 @@ void dispc_runtime_put(void)
 	r = pm_runtime_put_sync(&dispc.pdev->dev);
 	WARN_ON(r < 0 && r != -ENOSYS);
 }
-EXPORT_SYMBOL(dispc_runtime_put);
 
-u32 dispc_mgr_get_vsync_irq(enum omap_channel channel)
+static u32 dispc_mgr_get_vsync_irq(enum omap_channel channel)
 {
 	return mgr_desc[channel].vsync_irq;
 }
-EXPORT_SYMBOL(dispc_mgr_get_vsync_irq);
 
-u32 dispc_mgr_get_framedone_irq(enum omap_channel channel)
+static u32 dispc_mgr_get_framedone_irq(enum omap_channel channel)
 {
 	if (channel == OMAP_DSS_CHANNEL_DIGIT && dispc.feat->no_framedone_tv)
 		return 0;
 
 	return mgr_desc[channel].framedone_irq;
 }
-EXPORT_SYMBOL(dispc_mgr_get_framedone_irq);
 
-u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel)
+static u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel)
 {
 	return mgr_desc[channel].sync_lost_irq;
 }
-EXPORT_SYMBOL(dispc_mgr_get_sync_lost_irq);
 
 u32 dispc_wb_get_framedone_irq(void)
 {
 	return DISPC_IRQ_FRAMEDONEWB;
 }
 
-bool dispc_mgr_go_busy(enum omap_channel channel)
+static bool dispc_mgr_go_busy(enum omap_channel channel)
 {
 	return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1;
 }
-EXPORT_SYMBOL(dispc_mgr_go_busy);
 
-void dispc_mgr_go(enum omap_channel channel)
+static void dispc_mgr_go(enum omap_channel channel)
 {
 	WARN_ON(!dispc_mgr_is_enabled(channel));
 	WARN_ON(dispc_mgr_go_busy(channel));
@@ -635,7 +633,6 @@ void dispc_mgr_go(enum omap_channel channel)
 
 	mgr_fld_write(channel, DISPC_MGR_FLD_GO, 1);
 }
-EXPORT_SYMBOL(dispc_mgr_go);
 
 bool dispc_wb_go_busy(void)
 {
@@ -984,7 +981,7 @@ static void dispc_ovl_configure_burst_type(enum omap_plane plane,
 		REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), 0, 29, 29);
 }
 
-void dispc_ovl_set_channel_out(enum omap_plane plane, enum omap_channel channel)
+static void dispc_ovl_set_channel_out(enum omap_plane plane, enum omap_channel channel)
 {
 	int shift;
 	u32 val;
@@ -1044,7 +1041,6 @@ void dispc_ovl_set_channel_out(enum omap_plane plane, enum omap_channel channel)
 	}
 	dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), val);
 }
-EXPORT_SYMBOL(dispc_ovl_set_channel_out);
 
 static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
 {
@@ -1122,17 +1118,15 @@ static u32 dispc_ovl_get_burst_size(enum omap_plane plane)
 	return unit * 8;
 }
 
-enum omap_color_mode dispc_ovl_get_color_modes(enum omap_plane plane)
+static enum omap_color_mode dispc_ovl_get_color_modes(enum omap_plane plane)
 {
 	return dss_feat_get_supported_color_modes(plane);
 }
-EXPORT_SYMBOL(dispc_ovl_get_color_modes);
 
-int dispc_get_num_ovls(void)
+static int dispc_get_num_ovls(void)
 {
 	return dss_feat_get_num_ovls();
 }
-EXPORT_SYMBOL(dispc_get_num_ovls);
 
 static void dispc_mgr_enable_cpr(enum omap_channel channel, bool enable)
 {
@@ -2797,9 +2791,8 @@ static int dispc_ovl_setup_common(enum omap_plane plane,
 	return 0;
 }
 
-int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
-		bool replication, const struct videomode *vm,
-		bool mem_to_mem)
+static int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
+		bool replication, const struct videomode *vm, bool mem_to_mem)
 {
 	int r;
 	enum omap_overlay_caps caps = dss_feat_get_overlay_caps(plane);
@@ -2821,7 +2814,6 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
 
 	return r;
 }
-EXPORT_SYMBOL(dispc_ovl_setup);
 
 int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
 		bool mem_to_mem, const struct videomode *vm)
@@ -2891,7 +2883,7 @@ int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
 	return r;
 }
 
-int dispc_ovl_enable(enum omap_plane plane, bool enable)
+static int dispc_ovl_enable(enum omap_plane plane, bool enable)
 {
 	DSSDBG("dispc_enable_plane %d, %d\n", plane, enable);
 
@@ -2899,33 +2891,28 @@ int dispc_ovl_enable(enum omap_plane plane, bool enable)
 
 	return 0;
 }
-EXPORT_SYMBOL(dispc_ovl_enable);
 
-bool dispc_ovl_enabled(enum omap_plane plane)
+static bool dispc_ovl_enabled(enum omap_plane plane)
 {
 	return REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0);
 }
-EXPORT_SYMBOL(dispc_ovl_enabled);
 
-enum omap_dss_output_id dispc_mgr_get_supported_outputs(enum omap_channel channel)
+static enum omap_dss_output_id dispc_mgr_get_supported_outputs(enum omap_channel channel)
 {
 	return dss_feat_get_supported_outputs(channel);
 }
-EXPORT_SYMBOL(dispc_mgr_get_supported_outputs);
 
-void dispc_mgr_enable(enum omap_channel channel, bool enable)
+static void dispc_mgr_enable(enum omap_channel channel, bool enable)
 {
 	mgr_fld_write(channel, DISPC_MGR_FLD_ENABLE, enable);
 	/* flush posted write */
 	mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
 }
-EXPORT_SYMBOL(dispc_mgr_enable);
 
-bool dispc_mgr_is_enabled(enum omap_channel channel)
+static bool dispc_mgr_is_enabled(enum omap_channel channel)
 {
 	return !!mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
 }
-EXPORT_SYMBOL(dispc_mgr_is_enabled);
 
 void dispc_wb_enable(bool enable)
 {
@@ -2961,11 +2948,10 @@ void dispc_pck_free_enable(bool enable)
 	REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 27, 27);
 }
 
-int dispc_get_num_mgrs(void)
+static int dispc_get_num_mgrs(void)
 {
 	return dss_feat_get_num_mgrs();
 }
-EXPORT_SYMBOL(dispc_get_num_mgrs);
 
 static void dispc_mgr_enable_fifohandcheck(enum omap_channel channel, bool enable)
 {
@@ -3015,7 +3001,7 @@ static void dispc_mgr_enable_alpha_fixed_zorder(enum omap_channel ch,
 		REG_FLD_MOD(DISPC_CONFIG, enable, 19, 19);
 }
 
-void dispc_mgr_setup(enum omap_channel channel,
+static void dispc_mgr_setup(enum omap_channel channel,
 		const struct omap_overlay_manager_info *info)
 {
 	dispc_mgr_set_default_color(channel, info->default_color);
@@ -3028,7 +3014,6 @@ void dispc_mgr_setup(enum omap_channel channel,
 		dispc_mgr_set_cpr_coef(channel, &info->cpr_coefs);
 	}
 }
-EXPORT_SYMBOL(dispc_mgr_setup);
 
 static void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines)
 {
@@ -3089,7 +3074,7 @@ static void dispc_mgr_enable_stallmode(enum omap_channel channel, bool enable)
 	mgr_fld_write(channel, DISPC_MGR_FLD_STALLMODE, enable);
 }
 
-void dispc_mgr_set_lcd_config(enum omap_channel channel,
+static void dispc_mgr_set_lcd_config(enum omap_channel channel,
 		const struct dss_lcd_mgr_config *config)
 {
 	dispc_mgr_set_io_pad_mode(config->io_pad_mode);
@@ -3105,7 +3090,6 @@ void dispc_mgr_set_lcd_config(enum omap_channel channel,
 
 	dispc_mgr_set_lcd_type_tft(channel);
 }
-EXPORT_SYMBOL(dispc_mgr_set_lcd_config);
 
 static bool _dispc_mgr_size_ok(u16 width, u16 height)
 {
@@ -3236,7 +3220,7 @@ static void _dispc_mgr_set_lcd_timings(enum omap_channel channel,
 }
 
 /* change name to mode? */
-void dispc_mgr_set_timings(enum omap_channel channel,
+static void dispc_mgr_set_timings(enum omap_channel channel,
 			   const struct videomode *vm)
 {
 	unsigned xtot, ytot;
@@ -3283,7 +3267,6 @@ void dispc_mgr_set_timings(enum omap_channel channel,
 
 	dispc_mgr_set_size(channel, t.hactive, t.vactive);
 }
-EXPORT_SYMBOL(dispc_mgr_set_timings);
 
 static void dispc_mgr_set_lcd_divisor(enum omap_channel channel, u16 lck_div,
 		u16 pck_div)
@@ -3763,25 +3746,22 @@ int dispc_mgr_get_clock_div(enum omap_channel channel,
 	return 0;
 }
 
-u32 dispc_read_irqstatus(void)
+static u32 dispc_read_irqstatus(void)
 {
 	return dispc_read_reg(DISPC_IRQSTATUS);
 }
-EXPORT_SYMBOL(dispc_read_irqstatus);
 
-void dispc_clear_irqstatus(u32 mask)
+static void dispc_clear_irqstatus(u32 mask)
 {
 	dispc_write_reg(DISPC_IRQSTATUS, mask);
 }
-EXPORT_SYMBOL(dispc_clear_irqstatus);
 
-u32 dispc_read_irqenable(void)
+static u32 dispc_read_irqenable(void)
 {
 	return dispc_read_reg(DISPC_IRQENABLE);
 }
-EXPORT_SYMBOL(dispc_read_irqenable);
 
-void dispc_write_irqenable(u32 mask)
+static void dispc_write_irqenable(u32 mask)
 {
 	u32 old_mask = dispc_read_reg(DISPC_IRQENABLE);
 
@@ -3790,7 +3770,6 @@ void dispc_write_irqenable(u32 mask)
 
 	dispc_write_reg(DISPC_IRQENABLE, mask);
 }
-EXPORT_SYMBOL(dispc_write_irqenable);
 
 void dispc_enable_sidle(void)
 {
@@ -3802,7 +3781,7 @@ void dispc_disable_sidle(void)
 	REG_FLD_MOD(DISPC_SYSCONFIG, 1, 4, 3);	/* SIDLEMODE: no idle */
 }
 
-u32 dispc_mgr_gamma_size(enum omap_channel channel)
+static u32 dispc_mgr_gamma_size(enum omap_channel channel)
 {
 	const struct dispc_gamma_desc *gdesc = &mgr_desc[channel].gamma;
 
@@ -3811,7 +3790,6 @@ u32 dispc_mgr_gamma_size(enum omap_channel channel)
 
 	return gdesc->len;
 }
-EXPORT_SYMBOL(dispc_mgr_gamma_size);
 
 static void dispc_mgr_write_gamma_table(enum omap_channel channel)
 {
@@ -3856,7 +3834,7 @@ static const struct drm_color_lut dispc_mgr_gamma_default_lut[] = {
 	{ .red = U16_MAX, .green = U16_MAX, .blue = U16_MAX, },
 };
 
-void dispc_mgr_set_gamma(enum omap_channel channel,
+static void dispc_mgr_set_gamma(enum omap_channel channel,
 			 const struct drm_color_lut *lut,
 			 unsigned int length)
 {
@@ -3902,7 +3880,6 @@ void dispc_mgr_set_gamma(enum omap_channel channel,
 	if (dispc.is_enabled)
 		dispc_mgr_write_gamma_table(channel);
 }
-EXPORT_SYMBOL(dispc_mgr_set_gamma);
 
 static int dispc_init_gamma_tables(void)
 {
@@ -4149,7 +4126,7 @@ static irqreturn_t dispc_irq_handler(int irq, void *arg)
 	return dispc.user_handler(irq, dispc.user_data);
 }
 
-int dispc_request_irq(irq_handler_t handler, void *dev_id)
+static int dispc_request_irq(irq_handler_t handler, void *dev_id)
 {
 	int r;
 
@@ -4171,16 +4148,14 @@ int dispc_request_irq(irq_handler_t handler, void *dev_id)
 
 	return r;
 }
-EXPORT_SYMBOL(dispc_request_irq);
 
-void dispc_free_irq(void *dev_id)
+static void dispc_free_irq(void *dev_id)
 {
 	devm_free_irq(&dispc.pdev->dev, dispc.irq, &dispc);
 
 	dispc.user_handler = NULL;
 	dispc.user_data = NULL;
 }
-EXPORT_SYMBOL(dispc_free_irq);
 
 /*
  * Workaround for errata i734 in DSS dispc
diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h
index 63bdf38f4b92..54c10c3e5b8b 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.h
+++ b/drivers/gpu/drm/omapdrm/dss/dss.h
@@ -340,6 +340,9 @@ int dispc_init_platform_driver(void) __init;
 void dispc_uninit_platform_driver(void);
 void dispc_dump_clocks(struct seq_file *s);
 
+int dispc_runtime_get(void);
+void dispc_runtime_put(void);
+
 void dispc_enable_sidle(void);
 void dispc_disable_sidle(void);
 
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h
index 134f153669ea..af06fe46e34f 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -852,49 +852,6 @@ void omapdss_set_is_initialized(bool set);
 struct device_node *dss_of_port_get_parent_device(struct device_node *port);
 u32 dss_of_port_get_port_number(struct device_node *port);
 
-u32 dispc_read_irqstatus(void);
-void dispc_clear_irqstatus(u32 mask);
-u32 dispc_read_irqenable(void);
-void dispc_write_irqenable(u32 mask);
-
-int dispc_request_irq(irq_handler_t handler, void *dev_id);
-void dispc_free_irq(void *dev_id);
-
-int dispc_runtime_get(void);
-void dispc_runtime_put(void);
-
-int dispc_get_num_ovls(void);
-int dispc_get_num_mgrs(void);
-
-void dispc_mgr_enable(enum omap_channel channel, bool enable);
-bool dispc_mgr_is_enabled(enum omap_channel channel);
-u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
-u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
-u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel);
-bool dispc_mgr_go_busy(enum omap_channel channel);
-void dispc_mgr_go(enum omap_channel channel);
-void dispc_mgr_set_lcd_config(enum omap_channel channel,
-		const struct dss_lcd_mgr_config *config);
-void dispc_mgr_set_timings(enum omap_channel channel,
-		const struct videomode *vm);
-void dispc_mgr_setup(enum omap_channel channel,
-		const struct omap_overlay_manager_info *info);
-enum omap_dss_output_id dispc_mgr_get_supported_outputs(enum omap_channel channel);
-u32 dispc_mgr_gamma_size(enum omap_channel channel);
-void dispc_mgr_set_gamma(enum omap_channel channel,
-			 const struct drm_color_lut *lut,
-			 unsigned int length);
-
-int dispc_ovl_enable(enum omap_plane plane, bool enable);
-bool dispc_ovl_enabled(enum omap_plane plane);
-void dispc_ovl_set_channel_out(enum omap_plane plane,
-		enum omap_channel channel);
-int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
-		bool replication, const struct videomode *vm, bool mem_to_mem);
-enum omap_color_mode dispc_ovl_get_color_modes(enum omap_plane plane);
-
-enum omap_dss_output_id dispc_mgr_get_supported_outputs(enum omap_channel channel);
-
 struct dss_mgr_ops {
 	int (*connect)(enum omap_channel channel,
 		struct omap_dss_device *dst);
-- 
2.7.4

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