diff options
| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2015-01-06 22:48:15 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-01-07 11:45:38 +0300 |
| commit | 9025452366e9a86f2e11292865d98430341005d1 (patch) | |
| tree | 1cefd6bd1a2555bc854ddf6ae33b255931dca18f /drivers/gpu/drm/i915/intel_bios.c | |
| parent | 1816f92363036600f2387bb8273b1e5e1f5b304e (diff) | |
| download | linux-9025452366e9a86f2e11292865d98430341005d1.tar.xz | |
Revert "drm/i915: Parsing LFP brightness control from VBT"
This reverts commit 371abae844ede392066bfc21202b2e40f4a654d1.
This data seems unreliable and causing many issues and blocking other
teams and feature implementation. Safest way is to revert that for now.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88081
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88039
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87671
Cc: Vandana Kannan <vandana.kannan@intel.com>
Cc: Deepak M <m.deepak@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Kristian Høgsberg <hoegsberg@gmail.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 65b1fbc5eb57..3f178258d9f9 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -314,7 +314,6 @@ parse_lfp_backlight(struct drm_i915_private *dev_priv, struct bdb_header *bdb) { const struct bdb_lfp_backlight_data *backlight_data; const struct bdb_lfp_backlight_data_entry *entry; - const struct bdb_lfp_backlight_control_data *bl_ctrl_data; backlight_data = find_section(bdb, BDB_LVDS_BACKLIGHT); if (!backlight_data) @@ -327,7 +326,6 @@ parse_lfp_backlight(struct drm_i915_private *dev_priv, struct bdb_header *bdb) } entry = &backlight_data->data[panel_type]; - bl_ctrl_data = &backlight_data->blc_ctl[panel_type]; dev_priv->vbt.backlight.present = entry->type == BDB_BACKLIGHT_TYPE_PWM; if (!dev_priv->vbt.backlight.present) { @@ -339,30 +337,12 @@ parse_lfp_backlight(struct drm_i915_private *dev_priv, struct bdb_header *bdb) 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; - - dev_priv->vbt.backlight.controller = 0; - if (bdb->version >= 191) { - dev_priv->vbt.backlight.present = - bl_ctrl_data->pin == BLC_CONTROL_PIN_DDI; - if (!dev_priv->vbt.backlight.present) { - DRM_DEBUG_KMS("BL control pin is not DDI (pin %u)\n", - bl_ctrl_data->pin); - return; - } - if (bl_ctrl_data->controller == 1) - dev_priv->vbt.backlight.controller = - bl_ctrl_data->controller; - } - DRM_DEBUG_KMS("VBT backlight PWM modulation frequency %u Hz, " "active %s, min brightness %u, level %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]); - - DRM_DEBUG_KMS("VBT BL controller %u\n", - dev_priv->vbt.backlight.controller); } /* Try to find sdvo panel data */ |