[PATCH 4/9] drm/bridge: dw-hdmi: export hotplug functions
From: heiko@sntech.de (Heiko Stuebner)
Date: 2018-02-05 14:34:30
Also in:
dri-devel, linux-devicetree, linux-rockchip
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for bridge chips, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Andrzej Hajda, Neil Armstrong, Robert Foss, Linus Torvalds
From: Algea Cao <redacted> External phys may not provide their own hotplug-related routines but instead rely on the dw-hdmi ones. Export these functions so that external hdmi-phys can use them if necessary. Signed-off-by: Algea Cao <redacted> [export all 3 hotplug-related functions] Signed-off-by: Heiko Stuebner <heiko@sntech.de> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 11 +++++++---- include/drm/bridge/dw_hdmi.h | 6 +++++- 2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 7255fafce089..2760e1b51422 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c@@ -1251,14 +1251,15 @@ static void dw_hdmi_phy_disable(struct dw_hdmi *hdmi, void *data) dw_hdmi_phy_power_off(hdmi); } -static enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi, - void *data) +enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi, + void *data) { return hdmi_readb(hdmi, HDMI_PHY_STAT0) & HDMI_PHY_HPD ? connector_status_connected : connector_status_disconnected; } +EXPORT_SYMBOL_GPL(dw_hdmi_phy_read_hpd); -static void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data, +void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data, bool force, bool disabled, bool rxsense) { u8 old_mask = hdmi->phy_mask;
@@ -1271,8 +1272,9 @@ static void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data, if (old_mask != hdmi->phy_mask) hdmi_writeb(hdmi, hdmi->phy_mask, HDMI_PHY_MASK0); } +EXPORT_SYMBOL_GPL(dw_hdmi_phy_update_hpd); -static void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data) +void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data) { /* * Configure the PHY RX SENSE and HPD interrupts polarities and clear
@@ -1291,6 +1293,7 @@ static void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data) hdmi_writeb(hdmi, ~(HDMI_IH_PHY_STAT0_HPD | HDMI_IH_PHY_STAT0_RX_SENSE), HDMI_IH_MUTE_PHY_STAT0); } +EXPORT_SYMBOL_GPL(dw_hdmi_phy_setup_hpd); static const struct dw_hdmi_phy_ops dw_hdmi_synopsys_phy_ops = { .init = dw_hdmi_phy_init,
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index c5bc2804b29e..d9d7c75b3bfb 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h@@ -152,7 +152,11 @@ int dw_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder, const struct dw_hdmi_plat_data *plat_data); void dw_hdmi_setup_rx_sense(struct device *dev, bool hpd, bool rx_sense); - +enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi, + void *data); +void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data, + bool force, bool disabled, bool rxsense); +void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data); void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate); void dw_hdmi_audio_enable(struct dw_hdmi *hdmi); void dw_hdmi_audio_disable(struct dw_hdmi *hdmi);
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2.15.1