[PATCH 27/35] drm/i915/bios: Define VBT block 45 (eDP BFI) contents

Ville Syrjala ville.syrjala at linux.intel.com
Fri May 3 12:24:41 UTC 2024


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Define the contents of VBT block 45 (eDP BFI).

Note that I've not actually seen any real world VBTs with this
block.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_vbt_defs.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index 716a339f6e2a..87d073154d49 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -177,6 +177,7 @@ enum bdb_block_id {
 	BDB_LFP_DATA			= 42,
 	BDB_LFP_BACKLIGHT		= 43,
 	BDB_LFP_POWER			= 44,
+	BDB_EDP_BFI			= 45, /* 160+ */
 	BDB_MIPI_CONFIG			= 52, /* 175+ */
 	BDB_MIPI_SEQUENCE		= 53, /* 177+ */
 	BDB_COMPRESSION_PARAMETERS	= 56, /* 213+ */
@@ -1347,6 +1348,22 @@ struct bdb_lfp_power {
 	struct aggressiveness_profile2_entry aggressiveness2[16];	/* 247+ */
 } __packed;
 
+/*
+ * Block 45 - eDP BFI Block
+ */
+
+struct edp_bfi {
+	u8 enable_bfi_in_driver:1;
+	u8 enable_brightness_control_in_cui:1;
+	u8 reserved:6;
+	u8 brightness_percentage_when_bfi_disabled;
+} __packed;
+
+struct bdb_edp_bfi {
+	u8 bfi_structure_size;
+	struct edp_bfi bfi[16];
+} __packed;
+
 /*
  * Block 52 - MIPI Configuration Block
  */
-- 
2.43.2



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