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[RFC,07/10] drm/i915/config: Add init-time configuration of eDP backlight settings.

Message ID 1428958271-15653-8-git-send-email-bob.j.paauwe@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Paauwe, Bob J April 13, 2015, 8:51 p.m. UTC 
Allow the configuration file to overide the backlight max and level
settings.

Signed-off-by: Bob Paauwe <bob.j.paauwe@intel.com>
---
 drivers/gpu/drm/i915/intel_panel.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index d8686ce..54c8cef 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1326,6 +1326,14 @@  int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe)
 		return ret;
 	}
 
+	/* Allow config to overide backlight settings */
+	intel_config_get_integer(dev_priv, CFG_CONNECTOR,
+				 connector->name, "backlight maximum",
+				 &panel->backlight.max);
+	intel_config_get_integer(dev_priv, CFG_CONNECTOR,
+				 connector->name, "backlight level",
+				 &panel->backlight.level);
+
 	panel->backlight.present = true;
 
 	DRM_DEBUG_KMS("Connector %s backlight initialized, %s, brightness %u/%u\n",