The HDMI driver already has msm_hdmi_hpd_enable() and
msm_hdmi_hpd_disable() functions. Wire them into the
msm_hdmi_bridge_funcs, so that HPD can be enabled and disabled
dynamically rather than always having HPD events generation enabled.
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
drivers/gpu/drm/msm/hdmi/hdmi.c | 6 ------
drivers/gpu/drm/msm/hdmi/hdmi.h | 4 ++--
drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 6 +++---
drivers/gpu/drm/msm/hdmi/hdmi_hpd.c | 11 +++++------
4 files changed, 10 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index ec109255ee17..e1a16e20890c 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -208,12 +208,6 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi,
goto fail;
}
- ret = msm_hdmi_hpd_enable(hdmi->bridge);
- if (ret < 0) {
- DRM_DEV_ERROR(&hdmi->pdev->dev, "failed to enable HPD: %d\n",
ret);
- goto fail;
- }
-
priv->bridges[priv->num_bridges++] = hdmi->bridge;
return 0;
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h
index e07450fbb521..165b85a0b0f3 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.h
@@ -220,8 +220,8 @@ void msm_hdmi_bridge_destroy(struct drm_bridge *bridge);
void msm_hdmi_hpd_irq(struct drm_bridge *bridge);
enum drm_connector_status msm_hdmi_bridge_detect(
struct drm_bridge *bridge);
-int msm_hdmi_hpd_enable(struct drm_bridge *bridge);
-void msm_hdmi_hpd_disable(struct hdmi_bridge *hdmi_bridge);
+void msm_hdmi_hpd_enable(struct drm_bridge *bridge);
+void msm_hdmi_hpd_disable(struct drm_bridge *bridge);
/*
* i2c adapter for ddc:
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
index 01630445a664..86196f090ac9 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
@@ -13,9 +13,6 @@
void msm_hdmi_bridge_destroy(struct drm_bridge *bridge)
{
- struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
-
- msm_hdmi_hpd_disable(hdmi_bridge);
drm_bridge_remove(bridge);
}
@@ -299,6 +296,9 @@ static const struct drm_bridge_funcs msm_hdmi_bridge_funcs
= {
.mode_valid = msm_hdmi_bridge_mode_valid,
.get_edid = msm_hdmi_bridge_get_edid,
.detect = msm_hdmi_bridge_detect,
+
+ .hpd_enable = msm_hdmi_hpd_enable,
+ .hpd_disable = msm_hdmi_hpd_disable,
};
static void
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c
b/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c
index 2080e7c6700c..04d00b6f36fd 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c
@@ -60,7 +60,7 @@ static void msm_hdmi_phy_reset(struct hdmi *hdmi)
}
}
-int msm_hdmi_hpd_enable(struct drm_bridge *bridge)
+void msm_hdmi_hpd_enable(struct drm_bridge *bridge)
{
struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
struct hdmi *hdmi = hdmi_bridge->hdmi;
@@ -70,8 +70,8 @@ int msm_hdmi_hpd_enable(struct drm_bridge *bridge)
unsigned long flags;
ret = pm_runtime_resume_and_get(dev);
- if (ret)
- return ret;
+ if (WARN_ON(ret))
+ return;
mutex_lock(&hdmi->state_mutex);
msm_hdmi_set_mode(hdmi, false);
@@ -99,12 +99,11 @@ int msm_hdmi_hpd_enable(struct drm_bridge *bridge)
hdmi_write(hdmi, REG_HDMI_HPD_CTRL,
HDMI_HPD_CTRL_ENABLE | hpd_ctrl);
spin_unlock_irqrestore(&hdmi->reg_lock, flags);
-
- return 0;
}
-void msm_hdmi_hpd_disable(struct hdmi_bridge *hdmi_bridge)
+void msm_hdmi_hpd_disable(struct drm_bridge *bridge)
{
+ struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge);
struct hdmi *hdmi = hdmi_bridge->hdmi;
struct device *dev = &hdmi->pdev->dev;
--
2.39.2
