| Message ID | 20240229165333.227484-10-mike.rudenko@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Omnivision OV4689 refactoring and improvements | expand |
Hi Mikhail, Thank you for the patch. On Thu, Feb 29, 2024 at 07:53:22PM +0300, Mikhail Rudenko wrote: > Use runtime PM autosuspend to avoid powering off the sensor during > fast stop-reconfigure-restart cycles. > > Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > --- > drivers/media/i2c/ov4689.c | 15 +++++++++++---- > 1 file changed, 11 insertions(+), 4 deletions(-) > > diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c > index 0e0e694510aa..2354397ab34c 100644 > --- a/drivers/media/i2c/ov4689.c > +++ b/drivers/media/i2c/ov4689.c > @@ -426,7 +426,8 @@ static int ov4689_s_stream(struct v4l2_subdev *sd, int on) > } else { > cci_write(ov4689->regmap, OV4689_REG_CTRL_MODE, > OV4689_MODE_SW_STANDBY, NULL); > - pm_runtime_put(dev); > + pm_runtime_mark_last_busy(dev); > + pm_runtime_put_autosuspend(dev); > } > > unlock_and_return: > @@ -606,7 +607,8 @@ static int ov4689_set_ctrl(struct v4l2_ctrl *ctrl) > break; > } > > - pm_runtime_put(dev); > + pm_runtime_mark_last_busy(dev); > + pm_runtime_put_autosuspend(dev); > > return ret; > } > @@ -876,8 +878,10 @@ static int ov4689_probe(struct i2c_client *client) > } > > pm_runtime_set_active(dev); > + pm_runtime_get_noresume(dev); > pm_runtime_enable(dev); > - pm_runtime_idle(dev); > + pm_runtime_set_autosuspend_delay(dev, 1000); > + pm_runtime_use_autosuspend(dev); > > ret = v4l2_async_register_subdev_sensor(sd); > if (ret) { > @@ -885,11 +889,14 @@ static int ov4689_probe(struct i2c_client *client) > goto err_clean_subdev_pm; > } > > + pm_runtime_mark_last_busy(dev); > + pm_runtime_put_autosuspend(dev); > + > return 0; > > err_clean_subdev_pm: > pm_runtime_disable(dev); > - pm_runtime_set_suspended(dev); > + pm_runtime_put_noidle(dev); > v4l2_subdev_cleanup(sd); > err_clean_entity: > media_entity_cleanup(&sd->entity);
diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c index 0e0e694510aa..2354397ab34c 100644 --- a/drivers/media/i2c/ov4689.c +++ b/drivers/media/i2c/ov4689.c @@ -426,7 +426,8 @@ static int ov4689_s_stream(struct v4l2_subdev *sd, int on) } else { cci_write(ov4689->regmap, OV4689_REG_CTRL_MODE, OV4689_MODE_SW_STANDBY, NULL); - pm_runtime_put(dev); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); } unlock_and_return: @@ -606,7 +607,8 @@ static int ov4689_set_ctrl(struct v4l2_ctrl *ctrl) break; } - pm_runtime_put(dev); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); return ret; } @@ -876,8 +878,10 @@ static int ov4689_probe(struct i2c_client *client) } pm_runtime_set_active(dev); + pm_runtime_get_noresume(dev); pm_runtime_enable(dev); - pm_runtime_idle(dev); + pm_runtime_set_autosuspend_delay(dev, 1000); + pm_runtime_use_autosuspend(dev); ret = v4l2_async_register_subdev_sensor(sd); if (ret) { @@ -885,11 +889,14 @@ static int ov4689_probe(struct i2c_client *client) goto err_clean_subdev_pm; } + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + return 0; err_clean_subdev_pm: pm_runtime_disable(dev); - pm_runtime_set_suspended(dev); + pm_runtime_put_noidle(dev); v4l2_subdev_cleanup(sd); err_clean_entity: media_entity_cleanup(&sd->entity);
Use runtime PM autosuspend to avoid powering off the sensor during fast stop-reconfigure-restart cycles. Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com> --- drivers/media/i2c/ov4689.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)