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path: root/drivers/gpu/drm/i915/intel_bios.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 1ee98f121a00..a66955037e4e 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -315,9 +315,6 @@ 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;
- /* Err to enabling backlight if no backlight block. */
- dev_priv->vbt.backlight.present = true;
-
backlight_data = find_section(bdb, BDB_LVDS_BACKLIGHT);
if (!backlight_data)
return;
@@ -339,11 +336,12 @@ 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;
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",
- entry->min_brightness,
+ dev_priv->vbt.backlight.min_brightness,
backlight_data->level[panel_type]);
}
@@ -880,7 +878,7 @@ err:
/* error during parsing so set all pointers to null
* because of partial parsing */
- memset(dev_priv->vbt.dsi.sequence, 0, MIPI_SEQ_MAX);
+ memset(dev_priv->vbt.dsi.sequence, 0, sizeof(dev_priv->vbt.dsi.sequence));
}
static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
@@ -1088,6 +1086,9 @@ init_vbt_defaults(struct drm_i915_private *dev_priv)
dev_priv->vbt.crt_ddc_pin = GMBUS_PORT_VGADDC;
+ /* Default to having backlight */
+ dev_priv->vbt.backlight.present = true;
+
/* LFP panel data */
dev_priv->vbt.lvds_dither = 1;
dev_priv->vbt.lvds_vbt = 0;