diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_pps.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_pps.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c index b5d9920f8341..3078dfac7817 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.c +++ b/drivers/gpu/drm/i915/display/intel_pps.c @@ -1670,6 +1670,37 @@ void intel_pps_setup(struct drm_i915_private *i915) i915->display.pps.mmio_base = PPS_BASE; } +static int intel_pps_show(struct seq_file *m, void *data) +{ + struct intel_connector *connector = m->private; + struct intel_dp *intel_dp = intel_attached_dp(connector); + + if (connector->base.status != connector_status_connected) + return -ENODEV; + + seq_printf(m, "Panel power up delay: %d\n", + intel_dp->pps.panel_power_up_delay); + seq_printf(m, "Panel power down delay: %d\n", + intel_dp->pps.panel_power_down_delay); + seq_printf(m, "Backlight on delay: %d\n", + intel_dp->pps.backlight_on_delay); + seq_printf(m, "Backlight off delay: %d\n", + intel_dp->pps.backlight_off_delay); + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(intel_pps); + +void intel_pps_connector_debugfs_add(struct intel_connector *connector) +{ + struct dentry *root = connector->base.debugfs_entry; + int connector_type = connector->base.connector_type; + + if (connector_type == DRM_MODE_CONNECTOR_eDP) + debugfs_create_file("i915_panel_timings", 0444, root, + connector, &intel_pps_fops); +} + void assert_pps_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe) { i915_reg_t pp_reg; |