diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_state_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_state_helper.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c index dfb57217253b..22251c5f6a8a 100644 --- a/drivers/gpu/drm/drm_atomic_state_helper.c +++ b/drivers/gpu/drm/drm_atomic_state_helper.c @@ -482,6 +482,130 @@ void drm_atomic_helper_connector_tv_margins_reset(struct drm_connector *connecto EXPORT_SYMBOL(drm_atomic_helper_connector_tv_margins_reset); /** + * drm_atomic_helper_connector_tv_reset - Resets Analog TV connector properties + * @connector: DRM connector + * + * Resets the analog TV properties attached to a connector + */ +void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_cmdline_mode *cmdline = &connector->cmdline_mode; + struct drm_connector_state *state = connector->state; + struct drm_property *prop; + uint64_t val; + + prop = dev->mode_config.tv_mode_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.mode = val; + + if (cmdline->tv_mode_specified) + state->tv.mode = cmdline->tv_mode; + + prop = dev->mode_config.tv_select_subconnector_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.select_subconnector = val; + + prop = dev->mode_config.tv_subconnector_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.subconnector = val; + + prop = dev->mode_config.tv_brightness_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.brightness = val; + + prop = dev->mode_config.tv_contrast_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.contrast = val; + + prop = dev->mode_config.tv_flicker_reduction_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.flicker_reduction = val; + + prop = dev->mode_config.tv_overscan_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.overscan = val; + + prop = dev->mode_config.tv_saturation_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.saturation = val; + + prop = dev->mode_config.tv_hue_property; + if (prop) + if (!drm_object_property_get_default_value(&connector->base, + prop, &val)) + state->tv.hue = val; + + drm_atomic_helper_connector_tv_margins_reset(connector); +} +EXPORT_SYMBOL(drm_atomic_helper_connector_tv_reset); + +/** + * @drm_atomic_helper_connector_tv_check: Validate an analog TV connector state + * @connector: DRM Connector + * @state: the DRM State object + * + * Checks the state object to see if the requested state is valid for an + * analog TV connector. + * + * Returns: + * Zero for success, a negative error code on error. + */ +int drm_atomic_helper_connector_tv_check(struct drm_connector *connector, + struct drm_atomic_state *state) +{ + struct drm_connector_state *old_conn_state = + drm_atomic_get_old_connector_state(state, connector); + struct drm_connector_state *new_conn_state = + drm_atomic_get_new_connector_state(state, connector); + struct drm_crtc_state *crtc_state; + struct drm_crtc *crtc; + + crtc = new_conn_state->crtc; + if (!crtc) + return 0; + + crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + if (!crtc_state) + return -EINVAL; + + if (old_conn_state->tv.mode != new_conn_state->tv.mode) + crtc_state->mode_changed = true; + + if (old_conn_state->tv.margins.left != new_conn_state->tv.margins.left || + old_conn_state->tv.margins.right != new_conn_state->tv.margins.right || + old_conn_state->tv.margins.top != new_conn_state->tv.margins.top || + old_conn_state->tv.margins.bottom != new_conn_state->tv.margins.bottom || + old_conn_state->tv.mode != new_conn_state->tv.mode || + old_conn_state->tv.brightness != new_conn_state->tv.brightness || + old_conn_state->tv.contrast != new_conn_state->tv.contrast || + old_conn_state->tv.flicker_reduction != new_conn_state->tv.flicker_reduction || + old_conn_state->tv.overscan != new_conn_state->tv.overscan || + old_conn_state->tv.saturation != new_conn_state->tv.saturation || + old_conn_state->tv.hue != new_conn_state->tv.hue) + crtc_state->connectors_changed = true; + + return 0; +} +EXPORT_SYMBOL(drm_atomic_helper_connector_tv_check); + +/** * __drm_atomic_helper_connector_duplicate_state - copy atomic connector state * @connector: connector object * @state: atomic connector state |