@@ -510,6 +510,8 @@ static inline unsigned long hdmi_get_pixel_clock(void)
#endif
int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev);
void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev);
+int omapdss_hdmi_core_enable(struct omap_dss_device *dssdev);
+void omapdss_hdmi_core_disable(struct omap_dss_device *dssdev);
void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev,
struct omap_video_timings *timings);
int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
@@ -759,6 +759,41 @@ void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev)
mutex_unlock(&hdmi.lock);
}
+int omapdss_hdmi_core_enable(struct omap_dss_device *dssdev)
+{
+ int r = 0;
+
+ DSSDBG("ENTER omapdss_hdmi_core_enable\n");
+
+ mutex_lock(&hdmi.lock);
+
+ hdmi.ip_data.hpd_gpio = hdmi.hpd_gpio;
+
+ r = hdmi_power_on_core(dssdev);
+ if (r) {
+ DSSERR("failed to power on device\n");
+ goto err0;
+ }
+
+ mutex_unlock(&hdmi.lock);
+ return 0;
+
+err0:
+ mutex_unlock(&hdmi.lock);
+ return r;
+}
+
+void omapdss_hdmi_core_disable(struct omap_dss_device *dssdev)
+{
+ DSSDBG("Enter omapdss_hdmi_core_disable\n");
+
+ mutex_lock(&hdmi.lock);
+
+ hdmi_power_off_core(dssdev);
+
+ mutex_unlock(&hdmi.lock);
+}
+
static int hdmi_get_clocks(struct platform_device *pdev)
{
struct clk *clk;
@@ -334,7 +334,7 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len)
need_enable = dssdev->state == OMAP_DSS_DISPLAY_DISABLED;
if (need_enable) {
- r = omapdss_hdmi_display_enable(dssdev);
+ r = omapdss_hdmi_core_enable(dssdev);
if (r)
goto err;
}
@@ -342,7 +342,7 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len)
r = omapdss_hdmi_read_edid(buf, len);
if (need_enable)
- omapdss_hdmi_display_disable(dssdev);
+ omapdss_hdmi_core_disable(dssdev);
err:
mutex_unlock(&hdmi.lock);
@@ -359,7 +359,7 @@ static bool hdmi_detect(struct omap_dss_device *dssdev)
need_enable = dssdev->state == OMAP_DSS_DISPLAY_DISABLED;
if (need_enable) {
- r = omapdss_hdmi_display_enable(dssdev);
+ r = omapdss_hdmi_core_enable(dssdev);
if (r)
goto err;
}
@@ -367,7 +367,7 @@ static bool hdmi_detect(struct omap_dss_device *dssdev)
r = omapdss_hdmi_detect();
if (need_enable)
- omapdss_hdmi_display_disable(dssdev);
+ omapdss_hdmi_core_disable(dssdev);
err:
mutex_unlock(&hdmi.lock);
This patch makes use of the hdmi_power_[on|off]_core() functions added in the previous patch. The functions are used when reading EDID or detecting if a monitor is connected. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Ricardo Neri <ricardo.neri@ti.com> --- drivers/video/omap2/dss/dss.h | 2 ++ drivers/video/omap2/dss/hdmi.c | 35 ++++++++++++++++++++++++++++++++++ drivers/video/omap2/dss/hdmi_panel.c | 8 ++++---- 3 files changed, 41 insertions(+), 4 deletions(-)