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fbdev fixes for 3.5

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- two fixes for OMAPDSS by Tomi Valkeinen
   one to avoid warnings when runtime PM is not enabled
   one workaround to dependancy issues during suspend/resume
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Merge tag 'fbdev-fixes-for-3.5-2' of git://github.com/schandinat/linux-2.6

Pull fbdev fixes from Florian Tobias Schandinat:
 "Two fixes for OMAPDSS by Tomi Valkeinen:
   - one to avoid warnings when runtime PM is not enabled
   - one workaround to dependancy issues during suspend/resume"

* tag 'fbdev-fixes-for-3.5-2' of git://github.com/schandinat/linux-2.6:
  OMAPDSS: fix warnings if CONFIG_PM_RUNTIME=n
  OMAPDSS: Use PM notifiers for system suspend
This commit is contained in:
Linus Torvalds 2012-07-11 16:17:14 -07:00
commit 918227bb1b
7 changed files with 33 additions and 22 deletions
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43
drivers/video/omap2/dss/core.c
View file

@ -32,6 +32,7 @@
#include <linux/io.h>
#include <linux/device.h>
#include <linux/regulator/consumer.h>
#include <linux/suspend.h>
#include <video/omapdss.h>
@ -201,6 +202,28 @@ int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
#endif /* CONFIG_DEBUG_FS && CONFIG_OMAP2_DSS_DEBUG_SUPPORT */
/* PLATFORM DEVICE */
static int omap_dss_pm_notif(struct notifier_block *b, unsigned long v, void *d)
{
DSSDBG("pm notif %lu\n", v);
switch (v) {
case PM_SUSPEND_PREPARE:
DSSDBG("suspending displays\n");
return dss_suspend_all_devices();
case PM_POST_SUSPEND:
DSSDBG("resuming displays\n");
return dss_resume_all_devices();
default:
return 0;
}
}
static struct notifier_block omap_dss_pm_notif_block = {
.notifier_call = omap_dss_pm_notif,
};
static int __init omap_dss_probe(struct platform_device *pdev)
{
struct omap_dss_board_info *pdata = pdev->dev.platform_data;
@ -224,6 +247,8 @@ static int __init omap_dss_probe(struct platform_device *pdev)
else if (pdata->default_device)
core.default_display_name = pdata->default_device->name;
register_pm_notifier(&omap_dss_pm_notif_block);
return 0;
err_debugfs:
@ -233,6 +258,8 @@ static int __init omap_dss_probe(struct platform_device *pdev)
static int omap_dss_remove(struct platform_device *pdev)
{
unregister_pm_notifier(&omap_dss_pm_notif_block);
dss_uninitialize_debugfs();
dss_uninit_overlays(pdev);
@ -247,25 +274,9 @@ static void omap_dss_shutdown(struct platform_device *pdev)
dss_disable_all_devices();
}
static int omap_dss_suspend(struct platform_device *pdev, pm_message_t state)
{
DSSDBG("suspend %d\n", state.event);
return dss_suspend_all_devices();
}
static int omap_dss_resume(struct platform_device *pdev)
{
DSSDBG("resume\n");
return dss_resume_all_devices();
}
static struct platform_driver omap_dss_driver = {
.remove = omap_dss_remove,
.shutdown = omap_dss_shutdown,
.suspend = omap_dss_suspend,
.resume = omap_dss_resume,
.driver = {
.name = "omapdss",
.owner = THIS_MODULE,

2
drivers/video/omap2/dss/dispc.c
View file

@ -384,7 +384,7 @@ void dispc_runtime_put(void)
DSSDBG("dispc_runtime_put\n");
r = pm_runtime_put_sync(&dispc.pdev->dev);
WARN_ON(r < 0);
WARN_ON(r < 0 && r != -ENOSYS);
}
static inline bool dispc_mgr_is_lcd(enum omap_channel channel)

2
drivers/video/omap2/dss/dsi.c
View file

@ -1075,7 +1075,7 @@ void dsi_runtime_put(struct platform_device *dsidev)
DSSDBG("dsi_runtime_put\n");
r = pm_runtime_put_sync(&dsi->pdev->dev);
WARN_ON(r < 0);
WARN_ON(r < 0 && r != -ENOSYS);
}
/* source clock for DSI PLL. this could also be PCLKFREE */

2
drivers/video/omap2/dss/dss.c
View file

@ -731,7 +731,7 @@ static void dss_runtime_put(void)
DSSDBG("dss_runtime_put\n");
r = pm_runtime_put_sync(&dss.pdev->dev);
WARN_ON(r < 0 && r != -EBUSY);
WARN_ON(r < 0 && r != -ENOSYS && r != -EBUSY);
}
/* DEBUGFS */

2
drivers/video/omap2/dss/hdmi.c
View file

@ -138,7 +138,7 @@ static void hdmi_runtime_put(void)
DSSDBG("hdmi_runtime_put\n");
r = pm_runtime_put_sync(&hdmi.pdev->dev);
WARN_ON(r < 0);
WARN_ON(r < 0 && r != -ENOSYS);
}
static int __init hdmi_init_display(struct omap_dss_device *dssdev)

2
drivers/video/omap2/dss/rfbi.c
View file

@ -141,7 +141,7 @@ static void rfbi_runtime_put(void)
DSSDBG("rfbi_runtime_put\n");
r = pm_runtime_put_sync(&rfbi.pdev->dev);
WARN_ON(r < 0);
WARN_ON(r < 0 && r != -ENOSYS);
}
void rfbi_bus_lock(void)

2
drivers/video/omap2/dss/venc.c
View file

@ -402,7 +402,7 @@ static void venc_runtime_put(void)
DSSDBG("venc_runtime_put\n");
r = pm_runtime_put_sync(&venc.pdev->dev);
WARN_ON(r < 0);
WARN_ON(r < 0 && r != -ENOSYS);
}
static const struct venc_config *venc_timings_to_config(