| Message ID | 20210505162415.531876-8-hdegoede@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm + usb-type-c: Add support for out-of-band hotplug notification (v3) | expand |
On Wed, May 05, 2021 at 06:24:14PM +0200, Hans de Goede wrote: > Make dp_altmode_notify() handle the dp->data.conf == 0 case too, > rather then having separate code-paths for this in various places > which call it. > > Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> > --- > drivers/usb/typec/altmodes/displayport.c | 35 +++++++++--------------- > 1 file changed, 13 insertions(+), 22 deletions(-) > > diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c > index b7f094435b00..aa669b9cf70e 100644 > --- a/drivers/usb/typec/altmodes/displayport.c > +++ b/drivers/usb/typec/altmodes/displayport.c > @@ -66,10 +66,17 @@ struct dp_altmode { > > static int dp_altmode_notify(struct dp_altmode *dp) > { > - u8 state = get_count_order(DP_CONF_GET_PIN_ASSIGN(dp->data.conf)); > + unsigned long conf; > + u8 state; > + > + if (dp->data.conf) { > + state = get_count_order(DP_CONF_GET_PIN_ASSIGN(dp->data.conf)); > + conf = TYPEC_MODAL_STATE(state); > + } else { > + conf = TYPEC_STATE_USB; > + } > > - return typec_altmode_notify(dp->alt, TYPEC_MODAL_STATE(state), > - &dp->data); > + return typec_altmode_notify(dp->alt, conf, &dp->data); > } > > static int dp_altmode_configure(struct dp_altmode *dp, u8 con) > @@ -137,21 +144,10 @@ static int dp_altmode_status_update(struct dp_altmode *dp) > > static int dp_altmode_configured(struct dp_altmode *dp) > { > - int ret; > - > sysfs_notify(&dp->alt->dev.kobj, "displayport", "configuration"); > - > - if (!dp->data.conf) > - return typec_altmode_notify(dp->alt, TYPEC_STATE_USB, > - &dp->data); > - > - ret = dp_altmode_notify(dp); > - if (ret) > - return ret; > - > sysfs_notify(&dp->alt->dev.kobj, "displayport", "pin_assignment"); > > - return 0; > + return dp_altmode_notify(dp); > } > > static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf) > @@ -172,13 +168,8 @@ static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf) > } > > ret = typec_altmode_vdm(dp->alt, header, &conf, 2); > - if (ret) { > - if (DP_CONF_GET_PIN_ASSIGN(dp->data.conf)) > - dp_altmode_notify(dp); > - else > - typec_altmode_notify(dp->alt, TYPEC_STATE_USB, > - &dp->data); > - } > + if (ret) > + dp_altmode_notify(dp); > > return ret; > } > -- > 2.31.1
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index b7f094435b00..aa669b9cf70e 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -66,10 +66,17 @@ struct dp_altmode { static int dp_altmode_notify(struct dp_altmode *dp) { - u8 state = get_count_order(DP_CONF_GET_PIN_ASSIGN(dp->data.conf)); + unsigned long conf; + u8 state; + + if (dp->data.conf) { + state = get_count_order(DP_CONF_GET_PIN_ASSIGN(dp->data.conf)); + conf = TYPEC_MODAL_STATE(state); + } else { + conf = TYPEC_STATE_USB; + } - return typec_altmode_notify(dp->alt, TYPEC_MODAL_STATE(state), - &dp->data); + return typec_altmode_notify(dp->alt, conf, &dp->data); } static int dp_altmode_configure(struct dp_altmode *dp, u8 con) @@ -137,21 +144,10 @@ static int dp_altmode_status_update(struct dp_altmode *dp) static int dp_altmode_configured(struct dp_altmode *dp) { - int ret; - sysfs_notify(&dp->alt->dev.kobj, "displayport", "configuration"); - - if (!dp->data.conf) - return typec_altmode_notify(dp->alt, TYPEC_STATE_USB, - &dp->data); - - ret = dp_altmode_notify(dp); - if (ret) - return ret; - sysfs_notify(&dp->alt->dev.kobj, "displayport", "pin_assignment"); - return 0; + return dp_altmode_notify(dp); } static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf) @@ -172,13 +168,8 @@ static int dp_altmode_configure_vdm(struct dp_altmode *dp, u32 conf) } ret = typec_altmode_vdm(dp->alt, header, &conf, 2); - if (ret) { - if (DP_CONF_GET_PIN_ASSIGN(dp->data.conf)) - dp_altmode_notify(dp); - else - typec_altmode_notify(dp->alt, TYPEC_STATE_USB, - &dp->data); - } + if (ret) + dp_altmode_notify(dp); return ret; }
Make dp_altmode_notify() handle the dp->data.conf == 0 case too, rather then having separate code-paths for this in various places which call it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> --- drivers/usb/typec/altmodes/displayport.c | 35 +++++++++--------------- 1 file changed, 13 insertions(+), 22 deletions(-)