[PATCHv4 17/29] drm/omap: remove all EXPORT_SYMBOLs from dispc.c

30 Mar 2017

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@ti.com
---
 drivers/gpu/drm/omapdrm/dss/dispc.c   | 84 +++++++++++++----------------------
 drivers/gpu/drm/omapdrm/dss/dss.h     |  3 ++
 drivers/gpu/drm/omapdrm/dss/omapdss.h | 42 ------------------
 3 files changed, 33 insertions(+), 96 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index f871f69dab1a..7104cffde176 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)
 {
@@ -592,54 +595,48 @@ 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;
 }
-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);
static bool dispc_mgr_is_enabled(enum omap_channel channel)
 {
    return !!mgr_fld_read(channel, DISPC_MGR_FLD_ENABLE);
 }
-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));
@@ -648,7 +645,6 @@ 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)
 {
@@ -997,7 +993,7 @@ 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;
@@ -1057,7 +1053,6 @@ 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)
 {
@@ -1135,17 +1130,15 @@ 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)
 {
@@ -2829,9 +2822,8 @@ 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);
@@ -2853,7 +2845,6 @@ 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)
@@ -2923,7 +2914,7 @@ 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);
@@ -2931,19 +2922,16 @@ 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_wb_enable(bool enable)
 {
@@ -2979,11 +2967,10 @@ 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)
 {
@@ -3033,7 +3020,7 @@ 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);
@@ -3046,7 +3033,6 @@ 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)
 {
@@ -3107,7 +3093,7 @@ 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);
@@ -3123,7 +3109,6 @@ 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)
 {
@@ -3254,7 +3239,7 @@ 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;
@@ -3301,7 +3286,6 @@ 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)
@@ -3781,25 +3765,22 @@ 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);
@@ -3808,7 +3789,6 @@ void dispc_write_irqenable(u32 mask)
dispc_write_reg(DISPC_IRQENABLE, mask);
 }
-EXPORT_SYMBOL(dispc_write_irqenable);
void dispc_enable_sidle(void)
 {
@@ -3820,7 +3800,7 @@ 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;
@@ -3829,7 +3809,6 @@ 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)
 {
@@ -3874,7 +3853,7 @@ 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)
 {
@@ -3920,7 +3899,6 @@ 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)
 {
@@ -4167,7 +4145,7 @@ 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;
@@ -4189,16 +4167,14 @@ 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 b0551f0090b4..9f8937ae35b4 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.h
+++ b/drivers/gpu/drm/omapdrm/dss/dss.h
@@ -337,6 +337,9 @@ 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 a7c2981fa322..3e61f4b2d1ce 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss.h
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h
@@ -849,48 +849,6 @@ 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);
-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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[PATCHv4 17/29] drm/omap: remove all EXPORT_SYMBOLs from dispc.c