diff options
| author | jilai wang <jilaiw@codeaurora.org> | 2015-04-02 17:49:01 -0400 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2015-08-15 18:27:10 -0400 |
| commit | c6a57a50ad562a2e6fc6ac3218b710caea73a58b (patch) | |
| tree | c630cd3e4c5328655ebbd8ed1ce59b36ce753c30 /drivers/gpu/drm/msm/hdmi/hdmi_connector.c | |
| parent | 2d3584eb871da2a6fa72e3d50781f33b0312589a (diff) | |
drm/msm/hdmi: add hdmi hdcp support (V3)
Add HDMI HDCP support including HDCP PartI/II/III authentication.
V1: Initial Change
V2: Address Bjorn&Rob's comments
Refactor the authentication process to use single work instead
of multiple work for different authentication stages.
V3: Update to align with qcom SCM api.
Signed-off-by: Jilai Wang <jilaiw@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/hdmi/hdmi_connector.c')
| -rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi_connector.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c index 54aa93ff5473..3f345e7c341a 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c @@ -141,6 +141,7 @@ static int hpd_enable(struct hdmi_connector *hdmi_connector) struct hdmi_phy *phy = hdmi->phy; uint32_t hpd_ctrl; int i, ret; + unsigned long flags; for (i = 0; i < config->hpd_reg_cnt; i++) { ret = regulator_enable(hdmi->hpd_regs[i]); @@ -192,6 +193,7 @@ static int hpd_enable(struct hdmi_connector *hdmi_connector) HDMI_HPD_INT_CTRL_INT_EN); /* set timeout to 4.1ms (max) for hardware debounce */ + spin_lock_irqsave(&hdmi->reg_lock, flags); hpd_ctrl = hdmi_read(hdmi, REG_HDMI_HPD_CTRL); hpd_ctrl |= HDMI_HPD_CTRL_TIMEOUT(0x1fff); @@ -200,6 +202,7 @@ static int hpd_enable(struct hdmi_connector *hdmi_connector) ~HDMI_HPD_CTRL_ENABLE & hpd_ctrl); hdmi_write(hdmi, REG_HDMI_HPD_CTRL, HDMI_HPD_CTRL_ENABLE | hpd_ctrl); + spin_unlock_irqrestore(&hdmi->reg_lock, flags); return 0; @@ -250,7 +253,6 @@ hotplug_work(struct work_struct *work) void hdmi_connector_irq(struct drm_connector *connector) { struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector); - struct msm_drm_private *priv = connector->dev->dev_private; struct hdmi *hdmi = hdmi_connector->hdmi; uint32_t hpd_int_status, hpd_int_ctrl; @@ -274,7 +276,7 @@ void hdmi_connector_irq(struct drm_connector *connector) hpd_int_ctrl |= HDMI_HPD_INT_CTRL_INT_CONNECT; hdmi_write(hdmi, REG_HDMI_HPD_INT_CTRL, hpd_int_ctrl); - queue_work(priv->wq, &hdmi_connector->hpd_work); + queue_work(hdmi->workq, &hdmi_connector->hpd_work); } } @@ -350,6 +352,7 @@ static int hdmi_connector_get_modes(struct drm_connector *connector) hdmi_write(hdmi, REG_HDMI_CTRL, hdmi_ctrl); + hdmi->hdmi_mode = drm_detect_hdmi_monitor(edid); drm_mode_connector_update_edid_property(connector, edid); if (edid) { |