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drm/omap: Move HPD disconnection handling to omap_connector

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On HDMI outputs, CEC support requires notification of HPD signal
deassertion. The HPD signal can be handled by various omap_dss_device
instances in the pipeline, and all of them forward HPD events to the
OMAP4 internal HDMI encoder.

Knowledge of the DSS internals need to be removed from the
omap_dss_device instances in order to migrate to drm_bridge. To do so,
move HPD handling for CEC to the omap_connector.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Laurent Pinchart
2018-05-30 16:53:43 +03:00
committed by Tomi Valkeinen
parent 18412b667c
commit f006325cdc
3 changed files with 29 additions and 18 deletions
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7
drivers/gpu/drm/omapdrm/displays/connector-hdmi.c
View File

@@ -137,13 +137,8 @@ static int hdmic_read_edid(struct omap_dss_device *dssdev,
static bool hdmic_detect(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *src = dssdev->src;
bool connected;
connected = gpiod_get_value_cansleep(ddata->hpd_gpio);
if (!connected && src->ops->hdmi.lost_hotplug)
src->ops->hdmi.lost_hotplug(src);
return connected;
return gpiod_get_value_cansleep(ddata->hpd_gpio);
}
static void hdmic_register_hpd_cb(struct omap_dss_device *dssdev,

7
drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
View File

@@ -130,13 +130,8 @@ static int tpd_read_edid(struct omap_dss_device *dssdev,
static bool tpd_detect(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *src = dssdev->src;
bool connected;
connected = gpiod_get_value_cansleep(ddata->hpd_gpio);
if (!connected && src->ops->hdmi.lost_hotplug)
src->ops->hdmi.lost_hotplug(src);
return connected;
return gpiod_get_value_cansleep(ddata->hpd_gpio);
}
static void tpd_register_hpd_cb(struct omap_dss_device *dssdev,