Due to the removal of several omapdrm display drivers, the omapdss HPD, detected and EDID operations are not used anymore. Remove them and all related code.
Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com --- drivers/gpu/drm/omapdrm/dss/hdmi4.c | 59 ------- drivers/gpu/drm/omapdrm/dss/hdmi5.c | 44 ------ drivers/gpu/drm/omapdrm/dss/omapdss.h | 25 +-- drivers/gpu/drm/omapdrm/omap_connector.c | 190 +++-------------------- drivers/gpu/drm/omapdrm/omap_connector.h | 2 - drivers/gpu/drm/omapdrm/omap_drv.c | 8 +- 6 files changed, 22 insertions(+), 306 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index b65afa8b93c6..2feae9ba1729 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -331,45 +331,6 @@ static void hdmi_disconnect(struct omap_dss_device *src, omapdss_device_disconnect(dst, dst->next); }
-static struct edid *hdmi_read_edid_data(struct omap_hdmi *hdmi, - struct drm_connector *connector) -{ - u8 *edid; - int r; - - edid = kzalloc(512, GFP_KERNEL); - if (!edid) - return NULL; - - r = hdmi4_core_ddc_read(&hdmi->core, edid, 0, EDID_LENGTH); - if (r) - goto error; - - if (edid[0x7e] > 0) { - char checksum = 0; - unsigned int i; - - r = hdmi4_core_ddc_read(&hdmi->core, edid + EDID_LENGTH, 1, - EDID_LENGTH); - if (r) - goto error; - - for (i = 0; i < EDID_LENGTH; ++i) - checksum += edid[EDID_LENGTH + i]; - - if (checksum != 0) { - DSSERR("E-EDID checksum failed!!\n"); - goto error; - } - } - - return (struct edid *)edid; - -error: - kfree(edid); - return NULL; -} - static struct edid * hdmi_do_read_edid(struct omap_hdmi *hdmi, struct edid *(*read)(struct omap_hdmi *hdmi, @@ -419,28 +380,9 @@ hdmi_do_read_edid(struct omap_hdmi *hdmi, return edid; }
-static struct edid *hdmi_read_edid(struct omap_dss_device *dssdev) -{ - return hdmi_do_read_edid(dssdev_to_hdmi(dssdev), hdmi_read_edid_data, - NULL); -} - -static void hdmi_lost_hotplug(struct omap_dss_device *dssdev) -{ - struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev); - - hdmi4_cec_set_phys_addr(&hdmi->core, CEC_PHYS_ADDR_INVALID); -} - static const struct omap_dss_device_ops hdmi_ops = { .connect = hdmi_connect, .disconnect = hdmi_disconnect, - - .read_edid = hdmi_read_edid, - - .hdmi = { - .lost_hotplug = hdmi_lost_hotplug, - }, };
/* ----------------------------------------------------------------------------- @@ -805,7 +747,6 @@ static int hdmi4_init_output(struct omap_hdmi *hdmi) out->ops = &hdmi_ops; out->owner = THIS_MODULE; out->of_port = 0; - out->ops_flags = OMAP_DSS_DEVICE_OP_EDID;
r = omapdss_device_init_output(out, &hdmi->bridge); if (r < 0) diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi5.c b/drivers/gpu/drm/omapdrm/dss/hdmi5.c index fd386e189ab4..0502e692d646 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi5.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi5.c @@ -329,41 +329,6 @@ static void hdmi_disconnect(struct omap_dss_device *src, omapdss_device_disconnect(dst, dst->next); }
-static struct edid *hdmi_read_edid_data(struct omap_hdmi *hdmi, - struct drm_connector *connector) -{ - struct hdmi_core_data *core = &hdmi->core; - int max_ext_blocks = 3; - int r, n, i; - u8 *edid; - - edid = kzalloc(512, GFP_KERNEL); - if (!edid) - return NULL; - - r = hdmi5_core_ddc_read(core, edid, 0, EDID_LENGTH); - if (r) - goto error; - - n = edid[0x7e]; - - if (n > max_ext_blocks) - n = max_ext_blocks; - - for (i = 1; i <= n; i++) { - r = hdmi5_core_ddc_read(core, edid + i * EDID_LENGTH, i, - EDID_LENGTH); - if (r) - goto error; - } - - return (struct edid *)edid; - -error: - kfree(edid); - return NULL; -} - static struct edid * hdmi_do_read_edid(struct omap_hdmi *hdmi, struct edid *(*read)(struct omap_hdmi *hdmi, @@ -408,17 +373,9 @@ hdmi_do_read_edid(struct omap_hdmi *hdmi, return (struct edid *)edid; }
-static struct edid *hdmi_read_edid(struct omap_dss_device *dssdev) -{ - return hdmi_do_read_edid(dssdev_to_hdmi(dssdev), hdmi_read_edid_data, - NULL); -} - static const struct omap_dss_device_ops hdmi_ops = { .connect = hdmi_connect, .disconnect = hdmi_disconnect, - - .read_edid = hdmi_read_edid, };
/* ----------------------------------------------------------------------------- @@ -766,7 +723,6 @@ static int hdmi5_init_output(struct omap_hdmi *hdmi) out->ops = &hdmi_ops; out->owner = THIS_MODULE; out->of_port = 0; - out->ops_flags = OMAP_DSS_DEVICE_OP_EDID;
r = omapdss_device_init_output(out, &hdmi->bridge); if (r < 0) diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 5e0a146b2f36..24b421f67406 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -296,10 +296,6 @@ struct omap_dss_writeback_info { u8 pre_mult_alpha; };
-struct omapdss_hdmi_ops { - void (*lost_hotplug)(struct omap_dss_device *dssdev); -}; - struct omapdss_dsi_ops { void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes, bool enter_ulps); @@ -367,36 +363,17 @@ struct omap_dss_device_ops { void (*set_timings)(struct omap_dss_device *dssdev, const struct drm_display_mode *mode);
- bool (*detect)(struct omap_dss_device *dssdev); - - void (*register_hpd_cb)(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, - enum drm_connector_status status), - void *cb_data); - void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); - - struct edid *(*read_edid)(struct omap_dss_device *dssdev); - int (*get_modes)(struct omap_dss_device *dssdev, struct drm_connector *connector);
- union { - const struct omapdss_hdmi_ops hdmi; - const struct omapdss_dsi_ops dsi; - }; + const struct omapdss_dsi_ops dsi; };
/** * enum omap_dss_device_ops_flag - Indicates which device ops are supported - * @OMAP_DSS_DEVICE_OP_DETECT: The device supports output connection detection - * @OMAP_DSS_DEVICE_OP_HPD: The device supports all hot-plug-related operations - * @OMAP_DSS_DEVICE_OP_EDID: The device supports reading EDID * @OMAP_DSS_DEVICE_OP_MODES: The device supports reading modes */ enum omap_dss_device_ops_flag { - OMAP_DSS_DEVICE_OP_DETECT = BIT(0), - OMAP_DSS_DEVICE_OP_HPD = BIT(1), - OMAP_DSS_DEVICE_OP_EDID = BIT(2), OMAP_DSS_DEVICE_OP_MODES = BIT(3), };
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index f8b2e63d9e74..4b8a99be2086 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -30,111 +30,22 @@ struct omap_connector { struct drm_connector base; struct omap_dss_device *output; - struct omap_dss_device *hpd; };
-static void omap_connector_hpd_notify(struct drm_connector *connector, - enum drm_connector_status status) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev; - - if (status != connector_status_disconnected) - return; - - /* - * Notify all devics in the pipeline of disconnection. This is required - * to let the HDMI encoders reset their internal state related to - * connection status, such as the CEC address. - */ - for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) { - if (dssdev->ops && dssdev->ops->hdmi.lost_hotplug) - dssdev->ops->hdmi.lost_hotplug(dssdev); - } -} - -static void omap_connector_hpd_cb(void *cb_data, - enum drm_connector_status status) -{ - struct omap_connector *omap_connector = cb_data; - struct drm_connector *connector = &omap_connector->base; - struct drm_device *dev = connector->dev; - enum drm_connector_status old_status; - - mutex_lock(&dev->mode_config.mutex); - old_status = connector->status; - connector->status = status; - mutex_unlock(&dev->mode_config.mutex); - - if (old_status == status) - return; - - omap_connector_hpd_notify(connector, status); - - drm_kms_helper_hotplug_event(dev); -} - -void omap_connector_enable_hpd(struct drm_connector *connector) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *hpd = omap_connector->hpd; - - if (hpd) - hpd->ops->register_hpd_cb(hpd, omap_connector_hpd_cb, - omap_connector); -} - -void omap_connector_disable_hpd(struct drm_connector *connector) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *hpd = omap_connector->hpd; - - if (hpd) - hpd->ops->unregister_hpd_cb(hpd); -} - -static struct omap_dss_device * -omap_connector_find_device(struct drm_connector *connector, - enum omap_dss_device_ops_flag op) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = NULL; - struct omap_dss_device *d; - - for (d = omap_connector->output; d; d = d->next) { - if (d->ops_flags & op) - dssdev = d; - } - - return dssdev; -} - static enum drm_connector_status omap_connector_detect( struct drm_connector *connector, bool force) { - struct omap_dss_device *dssdev; enum drm_connector_status status;
- dssdev = omap_connector_find_device(connector, - OMAP_DSS_DEVICE_OP_DETECT); - - if (dssdev) { - status = dssdev->ops->detect(dssdev) - ? connector_status_connected - : connector_status_disconnected; - - omap_connector_hpd_notify(connector, status); - } else { - switch (connector->connector_type) { - case DRM_MODE_CONNECTOR_DPI: - case DRM_MODE_CONNECTOR_LVDS: - case DRM_MODE_CONNECTOR_DSI: - status = connector_status_connected; - break; - default: - status = connector_status_unknown; - break; - } + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_DPI: + case DRM_MODE_CONNECTOR_LVDS: + case DRM_MODE_CONNECTOR_DSI: + status = connector_status_connected; + break; + default: + status = connector_status_unknown; + break; }
VERB("%s: %d (force=%d)", connector->name, status, force); @@ -148,14 +59,6 @@ static void omap_connector_destroy(struct drm_connector *connector)
DBG("%s", connector->name);
- if (omap_connector->hpd) { - struct omap_dss_device *hpd = omap_connector->hpd; - - hpd->ops->unregister_hpd_cb(hpd); - omapdss_device_put(hpd); - omap_connector->hpd = NULL; - } - drm_connector_unregister(connector); drm_connector_cleanup(connector);
@@ -164,63 +67,27 @@ static void omap_connector_destroy(struct drm_connector *connector) kfree(omap_connector); }
-static int omap_connector_get_modes_edid(struct drm_connector *connector, - struct omap_dss_device *dssdev) -{ - enum drm_connector_status status; - struct edid *edid; - int n; - - status = omap_connector_detect(connector, false); - if (status != connector_status_connected) - goto no_edid; - - edid = dssdev->ops->read_edid(dssdev); - if (!edid || !drm_edid_is_valid(edid)) { - kfree(edid); - goto no_edid; - } - - drm_connector_update_edid_property(connector, edid); - n = drm_add_edid_modes(connector, edid); - - kfree(edid); - return n; - -no_edid: - drm_connector_update_edid_property(connector, NULL); - return 0; -} - static int omap_connector_get_modes(struct drm_connector *connector) { - struct omap_dss_device *dssdev; + struct omap_connector *omap_connector = to_omap_connector(connector); + struct omap_dss_device *dssdev = NULL; + struct omap_dss_device *d;
DBG("%s", connector->name);
/* - * If display exposes EDID, then we parse that in the normal way to - * build table of supported modes. + * If the display pipeline reports modes (e.g. with a fixed resolution + * panel or an analog TV output), query it. */ - dssdev = omap_connector_find_device(connector, - OMAP_DSS_DEVICE_OP_EDID); - if (dssdev) - return omap_connector_get_modes_edid(connector, dssdev); + for (d = omap_connector->output; d; d = d->next) { + if (d->ops_flags & OMAP_DSS_DEVICE_OP_MODES) + dssdev = d; + }
- /* - * Otherwise if the display pipeline reports modes (e.g. with a fixed - * resolution panel or an analog TV output), query it. - */ - dssdev = omap_connector_find_device(connector, - OMAP_DSS_DEVICE_OP_MODES); if (dssdev) return dssdev->ops->get_modes(dssdev, connector);
- /* - * We can't retrieve modes, which can happen for instance for a DVI or - * VGA output with the DDC bus unconnected. The KMS core will add the - * default modes. - */ + /* We can't retrieve modes. The KMS core will add the default modes. */ return 0; }
@@ -301,7 +168,6 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, { struct drm_connector *connector = NULL; struct omap_connector *omap_connector; - struct omap_dss_device *dssdev;
DBG("%s", output->name);
@@ -319,24 +185,6 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, omap_connector_get_type(output)); drm_connector_helper_add(connector, &omap_connector_helper_funcs);
- /* - * Initialize connector status handling. First try to find a device that - * supports hot-plug reporting. If it fails, fall back to a device that - * support polling. If that fails too, we don't support hot-plug - * detection at all. - */ - dssdev = omap_connector_find_device(connector, OMAP_DSS_DEVICE_OP_HPD); - if (dssdev) { - omap_connector->hpd = omapdss_device_get(dssdev); - connector->polled = DRM_CONNECTOR_POLL_HPD; - } else { - dssdev = omap_connector_find_device(connector, - OMAP_DSS_DEVICE_OP_DETECT); - if (dssdev) - connector->polled = DRM_CONNECTOR_POLL_CONNECT | - DRM_CONNECTOR_POLL_DISCONNECT; - } - return connector;
fail: diff --git a/drivers/gpu/drm/omapdrm/omap_connector.h b/drivers/gpu/drm/omapdrm/omap_connector.h index a23b3a80657b..487b8653e00c 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.h +++ b/drivers/gpu/drm/omapdrm/omap_connector.h @@ -32,8 +32,6 @@ struct omap_dss_device; struct drm_connector *omap_connector_init(struct drm_device *dev, struct omap_dss_device *output, struct drm_encoder *encoder); -void omap_connector_enable_hpd(struct drm_connector *connector); -void omap_connector_disable_hpd(struct drm_connector *connector); enum drm_mode_status omap_connector_mode_fixup(struct omap_dss_device *dssdev, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 88f9328eda72..89a3633b97ad 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -434,9 +434,7 @@ static void omap_modeset_enable_external_hpd(struct drm_device *ddev) if (!connector) continue;
- if (priv->pipes[i].output->next) - omap_connector_enable_hpd(connector); - else + if (priv->pipes[i].output->bridge) drm_bridge_connector_enable_hpd(connector); } } @@ -455,9 +453,7 @@ static void omap_modeset_disable_external_hpd(struct drm_device *ddev) if (!connector) continue;
- if (priv->pipes[i].output->next) - omap_connector_disable_hpd(connector); - else + if (priv->pipes[i].output->bridge) drm_bridge_connector_disable_hpd(connector); } }