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path: root/drivers/video/omap2
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Diffstat (limited to 'drivers/video/omap2')
-rw-r--r--drivers/video/omap2/dss/hdmi_panel.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/video/omap2/dss/hdmi_panel.c b/drivers/video/omap2/dss/hdmi_panel.c
index 533d5dc634d2..5e215d6e8d0a 100644
--- a/drivers/video/omap2/dss/hdmi_panel.c
+++ b/drivers/video/omap2/dss/hdmi_panel.c
@@ -30,7 +30,8 @@
#include "dss.h"
static struct {
- struct mutex hdmi_lock;
+ /* This protects the panel ops, mainly when accessing the HDMI IP. */
+ struct mutex lock;
} hdmi;
@@ -59,7 +60,7 @@ static int hdmi_panel_enable(struct omap_dss_device *dssdev)
int r = 0;
DSSDBG("ENTER hdmi_panel_enable\n");
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
r = -EINVAL;
@@ -75,28 +76,28 @@ static int hdmi_panel_enable(struct omap_dss_device *dssdev)
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
err:
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
return r;
}
static void hdmi_panel_disable(struct omap_dss_device *dssdev)
{
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
omapdss_hdmi_display_disable(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
}
static int hdmi_panel_suspend(struct omap_dss_device *dssdev)
{
int r = 0;
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
r = -EINVAL;
@@ -108,7 +109,7 @@ static int hdmi_panel_suspend(struct omap_dss_device *dssdev)
omapdss_hdmi_display_disable(dssdev);
err:
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
return r;
}
@@ -117,7 +118,7 @@ static int hdmi_panel_resume(struct omap_dss_device *dssdev)
{
int r = 0;
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
r = -EINVAL;
@@ -133,7 +134,7 @@ static int hdmi_panel_resume(struct omap_dss_device *dssdev)
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
err:
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
return r;
}
@@ -141,11 +142,11 @@ err:
static void hdmi_get_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
*timings = dssdev->panel.timings;
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
}
static void hdmi_set_timings(struct omap_dss_device *dssdev,
@@ -153,12 +154,12 @@ static void hdmi_set_timings(struct omap_dss_device *dssdev,
{
DSSDBG("hdmi_set_timings\n");
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
dssdev->panel.timings = *timings;
omapdss_hdmi_display_set_timing(dssdev);
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
}
static int hdmi_check_timings(struct omap_dss_device *dssdev,
@@ -168,11 +169,11 @@ static int hdmi_check_timings(struct omap_dss_device *dssdev,
DSSDBG("hdmi_check_timings\n");
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
r = omapdss_hdmi_display_check_timing(dssdev, timings);
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
return r;
}
@@ -180,7 +181,7 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len)
{
int r;
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
r = omapdss_hdmi_display_enable(dssdev);
@@ -194,7 +195,7 @@ static int hdmi_read_edid(struct omap_dss_device *dssdev, u8 *buf, int len)
dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
omapdss_hdmi_display_disable(dssdev);
err:
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
return r;
}
@@ -203,7 +204,7 @@ static bool hdmi_detect(struct omap_dss_device *dssdev)
{
int r;
- mutex_lock(&hdmi.hdmi_lock);
+ mutex_lock(&hdmi.lock);
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
r = omapdss_hdmi_display_enable(dssdev);
@@ -217,7 +218,7 @@ static bool hdmi_detect(struct omap_dss_device *dssdev)
dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
omapdss_hdmi_display_disable(dssdev);
err:
- mutex_unlock(&hdmi.hdmi_lock);
+ mutex_unlock(&hdmi.lock);
return r;
}
@@ -242,7 +243,7 @@ static struct omap_dss_driver hdmi_driver = {
int hdmi_panel_init(void)
{
- mutex_init(&hdmi.hdmi_lock);
+ mutex_init(&hdmi.lock);
omap_dss_register_driver(&hdmi_driver);