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path: root/drivers/video/omap2/dss/hdmi_panel.c
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Diffstat (limited to 'drivers/video/omap2/dss/hdmi_panel.c')
-rw-r--r--drivers/video/omap2/dss/hdmi_panel.c82
1 files changed, 15 insertions, 67 deletions
diff --git a/drivers/video/omap2/dss/hdmi_panel.c b/drivers/video/omap2/dss/hdmi_panel.c
index 69fb115bab32..dfb8eda81b61 100644
--- a/drivers/video/omap2/dss/hdmi_panel.c
+++ b/drivers/video/omap2/dss/hdmi_panel.c
@@ -280,58 +280,6 @@ static void hdmi_panel_disable(struct omap_dss_device *dssdev)
mutex_unlock(&hdmi.lock);
}
-static int hdmi_panel_suspend(struct omap_dss_device *dssdev)
-{
- int r = 0;
-
- mutex_lock(&hdmi.lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
- r = -EINVAL;
- goto err;
- }
-
- /*
- * TODO: notify audio users that the display was suspended. For now,
- * disable audio locally to not break our audio state machine.
- */
- hdmi_panel_audio_disable(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
- omapdss_hdmi_display_disable(dssdev);
-
-err:
- mutex_unlock(&hdmi.lock);
-
- return r;
-}
-
-static int hdmi_panel_resume(struct omap_dss_device *dssdev)
-{
- int r = 0;
-
- mutex_lock(&hdmi.lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
- r = -EINVAL;
- goto err;
- }
-
- r = omapdss_hdmi_display_enable(dssdev);
- if (r) {
- DSSERR("failed to power on\n");
- goto err;
- }
- /* TODO: notify audio users that the panel resumed. */
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
-err:
- mutex_unlock(&hdmi.lock);
-
- return r;
-}
-
static void hdmi_get_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
@@ -379,20 +327,22 @@ static int hdmi_check_timings(struct omap_dss_device *dssdev,
static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len)
{
int r;
+ bool need_enable;
mutex_lock(&hdmi.lock);
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
- r = omapdss_hdmi_display_enable(dssdev);
+ need_enable = dssdev->state == OMAP_DSS_DISPLAY_DISABLED;
+
+ if (need_enable) {
+ r = omapdss_hdmi_core_enable(dssdev);
if (r)
goto err;
}
r = omapdss_hdmi_read_edid(buf, len);
- if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED ||
- dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
- omapdss_hdmi_display_disable(dssdev);
+ if (need_enable)
+ omapdss_hdmi_core_disable(dssdev);
err:
mutex_unlock(&hdmi.lock);
@@ -402,20 +352,22 @@ err:
static bool hdmi_detect(struct omap_dss_device *dssdev)
{
int r;
+ bool need_enable;
mutex_lock(&hdmi.lock);
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
- r = omapdss_hdmi_display_enable(dssdev);
+ need_enable = dssdev->state == OMAP_DSS_DISPLAY_DISABLED;
+
+ if (need_enable) {
+ r = omapdss_hdmi_core_enable(dssdev);
if (r)
goto err;
}
r = omapdss_hdmi_detect();
- if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED ||
- dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
- omapdss_hdmi_display_disable(dssdev);
+ if (need_enable)
+ omapdss_hdmi_core_disable(dssdev);
err:
mutex_unlock(&hdmi.lock);
@@ -427,8 +379,6 @@ static struct omap_dss_driver hdmi_driver = {
.remove = hdmi_panel_remove,
.enable = hdmi_panel_enable,
.disable = hdmi_panel_disable,
- .suspend = hdmi_panel_suspend,
- .resume = hdmi_panel_resume,
.get_timings = hdmi_get_timings,
.set_timings = hdmi_set_timings,
.check_timings = hdmi_check_timings,
@@ -454,9 +404,7 @@ int hdmi_panel_init(void)
spin_lock_init(&hdmi.audio_lock);
#endif
- omap_dss_register_driver(&hdmi_driver);
-
- return 0;
+ return omap_dss_register_driver(&hdmi_driver);
}
void hdmi_panel_exit(void)