The panel drivers contain enable, disable, suspend and resume calls.
The suspend and resume are effectively identical to disable and enable.
This patch removes panel suspend and enable code from omapdss and the
panel drivers, and replaces their use with enable and disable.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
-static int acx_panel_suspend(struct omap_dss_device *dssdev)
-{
- dev_dbg(&dssdev->dev, "%s\n", __func__);
- acx_panel_power_off(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
- return 0;
-}
-
-static int acx_panel_resume(struct omap_dss_device *dssdev)
-{
- int r;
-
- dev_dbg(&dssdev->dev, "%s\n", __func__);
- r = acx_panel_power_on(dssdev);
- if (r)
- return r;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
- return 0;
-}
-
static void acx_panel_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
.enable = acx_panel_enable,
.disable = acx_panel_disable,
- .suspend = acx_panel_suspend,
- .resume = acx_panel_resume,
.set_timings = acx_panel_set_timings,
.check_timings = acx_panel_check_timings,
mutex_unlock(&drv_data->lock);
}
-static int generic_dpi_panel_suspend(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
-
- mutex_lock(&drv_data->lock);
-
- generic_dpi_panel_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
- mutex_unlock(&drv_data->lock);
-
- return 0;
-}
-
-static int generic_dpi_panel_resume(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
- int r;
-
- mutex_lock(&drv_data->lock);
-
- r = generic_dpi_panel_power_on(dssdev);
- if (r)
- goto err;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
-err:
- mutex_unlock(&drv_data->lock);
-
- return r;
-}
-
static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
.enable = generic_dpi_panel_enable,
.disable = generic_dpi_panel_disable,
- .suspend = generic_dpi_panel_suspend,
- .resume = generic_dpi_panel_resume,
.set_timings = generic_dpi_panel_set_timings,
.get_timings = generic_dpi_panel_get_timings,
mutex_unlock(&ld->lock);
}
-static int lb035q02_panel_suspend(struct omap_dss_device *dssdev)
-{
- struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev);
-
- mutex_lock(&ld->lock);
-
- lb035q02_panel_power_off(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
- mutex_unlock(&ld->lock);
- return 0;
-}
-
-static int lb035q02_panel_resume(struct omap_dss_device *dssdev)
-{
- struct lb035q02_data *ld = dev_get_drvdata(&dssdev->dev);
- int r;
-
- mutex_lock(&ld->lock);
-
- r = lb035q02_panel_power_on(dssdev);
- if (r)
- goto err;
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&ld->lock);
- return 0;
-err:
- mutex_unlock(&ld->lock);
- return r;
-}
-
static struct omap_dss_driver lb035q02_driver = {
.probe = lb035q02_panel_probe,
.remove = lb035q02_panel_remove,
.enable = lb035q02_panel_enable,
.disable = lb035q02_panel_disable,
- .suspend = lb035q02_panel_suspend,
- .resume = lb035q02_panel_resume,
.driver = {
.name = "lgphilips_lb035q02_panel",
mutex_unlock(&ddata->lock);
}
-static int n8x0_panel_suspend(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
-
- dev_dbg(&dssdev->dev, "suspend\n");
-
- mutex_lock(&ddata->lock);
-
- rfbi_bus_lock();
-
- n8x0_panel_power_off(dssdev);
-
- rfbi_bus_unlock();
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
-static int n8x0_panel_resume(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = get_drv_data(dssdev);
- int r;
-
- dev_dbg(&dssdev->dev, "resume\n");
-
- mutex_lock(&ddata->lock);
-
- rfbi_bus_lock();
-
- r = n8x0_panel_power_on(dssdev);
-
- rfbi_bus_unlock();
-
- if (r) {
- mutex_unlock(&ddata->lock);
- return r;
- }
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
static void n8x0_panel_get_resolution(struct omap_dss_device *dssdev,
u16 *xres, u16 *yres)
{
.enable = n8x0_panel_enable,
.disable = n8x0_panel_disable,
- .suspend = n8x0_panel_suspend,
- .resume = n8x0_panel_resume,
.update = n8x0_panel_update,
.sync = n8x0_panel_sync,
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
-static int nec_8048_panel_suspend(struct omap_dss_device *dssdev)
-{
- nec_8048_panel_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
- return 0;
-}
-
-static int nec_8048_panel_resume(struct omap_dss_device *dssdev)
-{
- int r;
-
- r = nec_8048_panel_power_on(dssdev);
- if (r)
- return r;
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
-}
-
static int nec_8048_recommended_bpp(struct omap_dss_device *dssdev)
{
return 16;
.remove = nec_8048_panel_remove,
.enable = nec_8048_panel_enable,
.disable = nec_8048_panel_disable,
- .suspend = nec_8048_panel_suspend,
- .resume = nec_8048_panel_resume,
.get_recommended_bpp = nec_8048_recommended_bpp,
.driver = {
dev_dbg(&dssdev->dev, "disabling picodlp panel\n");
}
-static int picodlp_panel_suspend(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev);
-
- mutex_lock(&picod->lock);
- /* Turn off DLP Power */
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
- mutex_unlock(&picod->lock);
- dev_err(&dssdev->dev, "unable to suspend picodlp panel,"
- " panel is not ACTIVE\n");
- return -EINVAL;
- }
-
- picodlp_panel_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
- mutex_unlock(&picod->lock);
-
- dev_dbg(&dssdev->dev, "suspending picodlp panel\n");
- return 0;
-}
-
-static int picodlp_panel_resume(struct omap_dss_device *dssdev)
-{
- struct picodlp_data *picod = dev_get_drvdata(&dssdev->dev);
- int r;
-
- mutex_lock(&picod->lock);
- if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
- mutex_unlock(&picod->lock);
- dev_err(&dssdev->dev, "unable to resume picodlp panel,"
- " panel is not ACTIVE\n");
- return -EINVAL;
- }
-
- r = picodlp_panel_power_on(dssdev);
- mutex_unlock(&picod->lock);
- dev_dbg(&dssdev->dev, "resuming picodlp panel\n");
- return r;
-}
-
static void picodlp_get_resolution(struct omap_dss_device *dssdev,
u16 *xres, u16 *yres)
{
.get_resolution = picodlp_get_resolution,
- .suspend = picodlp_panel_suspend,
- .resume = picodlp_panel_resume,
-
.driver = {
.name = "picodlp_panel",
.owner = THIS_MODULE,
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
-static int sharp_ls_panel_suspend(struct omap_dss_device *dssdev)
-{
- sharp_ls_power_off(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
- return 0;
-}
-
-static int sharp_ls_panel_resume(struct omap_dss_device *dssdev)
-{
- int r;
- r = sharp_ls_power_on(dssdev);
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
- return r;
-}
-
static struct omap_dss_driver sharp_ls_driver = {
.probe = sharp_ls_panel_probe,
.remove = __exit_p(sharp_ls_panel_remove),
.enable = sharp_ls_panel_enable,
.disable = sharp_ls_panel_disable,
- .suspend = sharp_ls_panel_suspend,
- .resume = sharp_ls_panel_resume,
.driver = {
.name = "sharp_ls_panel",
mutex_unlock(&td->lock);
}
-static int taal_suspend(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(&dssdev->dev);
- int r;
-
- dev_dbg(&dssdev->dev, "suspend\n");
-
- mutex_lock(&td->lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
- r = -EINVAL;
- goto err;
- }
-
- taal_cancel_ulps_work(dssdev);
- taal_cancel_esd_work(dssdev);
-
- dsi_bus_lock(dssdev);
-
- r = taal_wake_up(dssdev);
- if (!r)
- taal_power_off(dssdev);
-
- dsi_bus_unlock(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
- mutex_unlock(&td->lock);
-
- return 0;
-err:
- mutex_unlock(&td->lock);
- return r;
-}
-
-static int taal_resume(struct omap_dss_device *dssdev)
-{
- struct taal_data *td = dev_get_drvdata(&dssdev->dev);
- int r;
-
- dev_dbg(&dssdev->dev, "resume\n");
-
- mutex_lock(&td->lock);
-
- if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
- r = -EINVAL;
- goto err;
- }
-
- dsi_bus_lock(dssdev);
-
- r = taal_power_on(dssdev);
-
- dsi_bus_unlock(dssdev);
-
- if (r) {
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
- } else {
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
- taal_queue_esd_work(dssdev);
- }
-
- mutex_unlock(&td->lock);
-
- return r;
-err:
- mutex_unlock(&td->lock);
- return r;
-}
-
static void taal_framedone_cb(int err, void *data)
{
struct omap_dss_device *dssdev = data;
.enable = taal_enable,
.disable = taal_disable,
- .suspend = taal_suspend,
- .resume = taal_resume,
.update = taal_update,
.sync = taal_sync,
mutex_unlock(&ddata->lock);
}
-static int tfp410_suspend(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
-
- mutex_lock(&ddata->lock);
-
- tfp410_power_off(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
- mutex_unlock(&ddata->lock);
-
- return 0;
-}
-
-static int tfp410_resume(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&dssdev->dev);
- int r;
-
- mutex_lock(&ddata->lock);
-
- r = tfp410_power_on(dssdev);
- if (r == 0)
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- mutex_unlock(&ddata->lock);
-
- return r;
-}
-
static void tfp410_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
.enable = tfp410_enable,
.disable = tfp410_disable,
- .suspend = tfp410_suspend,
- .resume = tfp410_resume,
.set_timings = tfp410_set_timings,
.get_timings = tfp410_get_timings,
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
}
-static int tpo_td043_suspend(struct omap_dss_device *dssdev)
-{
- dev_dbg(&dssdev->dev, "suspend\n");
-
- tpo_td043_disable_dss(dssdev);
-
- dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
-
- return 0;
-}
-
-static int tpo_td043_resume(struct omap_dss_device *dssdev)
-{
- dev_dbg(&dssdev->dev, "resume\n");
-
- return tpo_td043_enable_dss(dssdev);
-}
-
static int tpo_td043_probe(struct omap_dss_device *dssdev)
{
struct tpo_td043_device *tpo_td043 = dev_get_drvdata(&dssdev->dev);
.enable = tpo_td043_enable,
.disable = tpo_td043_disable,
- .suspend = tpo_td043_suspend,
- .resume = tpo_td043_resume,
.set_mirror = tpo_td043_set_hmirror,
.get_mirror = tpo_td043_get_hmirror,
static int dss_suspend_device(struct device *dev, void *data)
{
- int r;
struct omap_dss_device *dssdev = to_dss_device(dev);
if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
return 0;
}
- if (!dssdev->driver->suspend) {
- DSSERR("display '%s' doesn't implement suspend\n",
- dssdev->name);
- return -ENOSYS;
- }
-
- r = dssdev->driver->suspend(dssdev);
- if (r)
- return r;
+ dssdev->driver->disable(dssdev);
dssdev->activate_after_resume = true;
int r;
struct omap_dss_device *dssdev = to_dss_device(dev);
- if (dssdev->activate_after_resume && dssdev->driver->resume) {
- r = dssdev->driver->resume(dssdev);
+ if (dssdev->activate_after_resume) {
+ r = dssdev->driver->enable(dssdev);
if (r)
return r;
}
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)
{
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) {
+ need_enable = dssdev->state == OMAP_DSS_DISPLAY_DISABLED;
+
+ if (need_enable) {
r = omapdss_hdmi_display_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)
+ if (need_enable)
omapdss_hdmi_display_disable(dssdev);
err:
mutex_unlock(&hdmi.lock);
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) {
+ need_enable = dssdev->state == OMAP_DSS_DISPLAY_DISABLED;
+
+ if (need_enable) {
r = omapdss_hdmi_display_enable(dssdev);
if (r)
goto err;
r = omapdss_hdmi_detect();
- if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED ||
- dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
+ if (need_enable)
omapdss_hdmi_display_disable(dssdev);
err:
mutex_unlock(&hdmi.lock);
.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,
if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
goto end;
- if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) {
- /* suspended is the same as disabled with venc */
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
- goto end;
- }
-
omapdss_venc_display_disable(dssdev);
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
mutex_unlock(&venc_panel.lock);
}
-static int venc_panel_suspend(struct omap_dss_device *dssdev)
-{
- venc_panel_disable(dssdev);
- return 0;
-}
-
-static int venc_panel_resume(struct omap_dss_device *dssdev)
-{
- return venc_panel_enable(dssdev);
-}
-
static void venc_panel_set_timings(struct omap_dss_device *dssdev,
struct omap_video_timings *timings)
{
.enable = venc_panel_enable,
.disable = venc_panel_disable,
- .suspend = venc_panel_suspend,
- .resume = venc_panel_resume,
.get_resolution = omapdss_default_get_resolution,
.get_recommended_bpp = omapdss_default_get_recommended_bpp,
switch (blank) {
case FB_BLANK_UNBLANK:
- if (display->state != OMAP_DSS_DISPLAY_SUSPENDED)
+ if (display->state == OMAP_DSS_DISPLAY_ACTIVE)
goto exit;
- if (display->driver->resume)
- r = display->driver->resume(display);
+ r = display->driver->enable(display);
if ((display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) &&
d->update_mode == OMAPFB_AUTO_UPDATE &&
if (d->auto_update_work_enabled)
omapfb_stop_auto_update(fbdev, display);
- if (display->driver->suspend)
- r = display->driver->suspend(display);
+ display->driver->disable(display);
break;
enum omap_dss_display_state {
OMAP_DSS_DISPLAY_DISABLED = 0,
OMAP_DSS_DISPLAY_ACTIVE,
- OMAP_DSS_DISPLAY_SUSPENDED,
};
enum omap_dss_audio_state {
int (*enable)(struct omap_dss_device *display);
void (*disable)(struct omap_dss_device *display);
- int (*suspend)(struct omap_dss_device *display);
- int (*resume)(struct omap_dss_device *display);
int (*run_test)(struct omap_dss_device *display, int test);
int (*update)(struct omap_dss_device *dssdev,