From add033793c9efa7b0a8ecd2fa192fe85aa8b0854 Mon Sep 17 00:00:00 2001 From: Vidya Srinivas Date: Thu, 8 Dec 2016 11:26:18 +0200 Subject: drm/i915: Parse panel backlight controller from VBT Currently the backlight controller is taken as 0. It needs to derive value from the VBT. Adding the necessary changes. v2 by Jani: - drop obsolete comments, drop redundant initialization (Bob) - merge debug logging into one Signed-off-by: Uma Shankar Signed-off-by: Vidya Srinivas Reviewed-by: Bob Paauwe Tested-by: Bob Paauwe Tested-by: Mika Kahola Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1481189178-426-1-git-send-email-jani.nikula@intel.com --- drivers/gpu/drm/i915/intel_bios.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/i915/intel_bios.c') diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index eaade27af386..1cf2fa6ec28f 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -330,17 +330,19 @@ parse_lfp_backlight(struct drm_i915_private *dev_priv, method = &backlight_data->backlight_control[panel_type]; dev_priv->vbt.backlight.type = method->type; + dev_priv->vbt.backlight.controller = method->controller; } dev_priv->vbt.backlight.pwm_freq_hz = entry->pwm_freq_hz; dev_priv->vbt.backlight.active_low_pwm = entry->active_low_pwm; dev_priv->vbt.backlight.min_brightness = entry->min_brightness; DRM_DEBUG_KMS("VBT backlight PWM modulation frequency %u Hz, " - "active %s, min brightness %u, level %u\n", + "active %s, min brightness %u, level %u, controller %u\n", dev_priv->vbt.backlight.pwm_freq_hz, dev_priv->vbt.backlight.active_low_pwm ? "low" : "high", dev_priv->vbt.backlight.min_brightness, - backlight_data->level[panel_type]); + backlight_data->level[panel_type], + dev_priv->vbt.backlight.controller); } /* Try to find sdvo panel data */ -- cgit v1.2.3-59-g8ed1b