diff options
| author | Vidya Srinivas <vidya.srinivas@intel.com> | 2016-12-08 12:26:18 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2016-12-12 18:22:08 +0300 |
| commit | add033793c9efa7b0a8ecd2fa192fe85aa8b0854 (patch) | |
| tree | 6ed181b355574bd8c75a8b52b070de3a1a998252 /drivers/gpu/drm/i915/intel_bios.c | |
| parent | 7155b057c61e55eed27bf478ac9b8034c4c97582 (diff) | |
| download | linux-add033793c9efa7b0a8ecd2fa192fe85aa8b0854.tar.xz | |
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 <uma.shankar@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
Reviewed-by: Bob Paauwe <bob.j.paauwe@intel.com>
Tested-by: Bob Paauwe <bob.j.paauwe@intel.com>
Tested-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1481189178-426-1-git-send-email-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 6 |
1 files changed, 4 insertions, 2 deletions
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 */ |