Lines Matching refs:backlight
37 /* Early return when display use other mechanism to enable backlight. */
54 DRM_DEBUG_KMS("Failed to %s aux backlight\n",
60 * Read the current backlight value from DPCD register(s) based
83 * Sends the current backlight level over the aux channel, checking if its using
102 DRM_DEBUG_KMS("Failed to write aux backlight level\n");
126 freq = dev_priv->vbt.backlight.pwm_freq_hz;
127 DRM_DEBUG_KMS("VBT defined backlight frequency %u Hz\n", freq);
129 DRM_DEBUG_KMS("Use panel default backlight frequency\n");
158 DRM_DEBUG_KMS("VBT defined backlight frequency out of range\n");
176 DRM_DEBUG_KMS("Failed to write aux backlight freq\n");
220 DRM_DEBUG_KMS("Failed to write aux backlight mode\n");
225 intel_dp_aux_set_backlight(conn_state, connector->panel.backlight.level);
241 panel->backlight.max = 0xFFFF;
243 panel->backlight.max = 0xFF;
245 panel->backlight.min = 0;
246 panel->backlight.level = intel_dp_aux_get_backlight(connector);
248 panel->backlight.enabled = panel->backlight.level != 0;
259 * the panel can support backlight control over the aux channel
277 dev_priv->vbt.backlight.type != INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE))
283 panel->backlight.setup = intel_dp_aux_setup_backlight;
284 panel->backlight.enable = intel_dp_aux_enable_backlight;
285 panel->backlight.disable = intel_dp_aux_disable_backlight;
286 panel->backlight.set = intel_dp_aux_set_backlight;
287 panel->backlight.get = intel_dp_aux_get_backlight;