--- i915_vbt-bios.txt 2017-02-21 16:21:59.838221225 +0200 +++ i915_vbt-uefi.txt 2017-02-21 16:22:10.558174588 +0200 @@ -2,15 +2,15 @@ VBT signature: "$VBT SKYLAKE " VBT version: 0x0064 (1.0) VBT header size: 0x0030 (48) - VBT size: 0x0efa (3834) - VBT checksum: 0x11 + VBT size: 0x0ef2 (3826) + VBT checksum: 0xce BDB offset: 0x00000030 (48) BDB header: BDB signature: "BIOS_DATA_BLOCK " - BDB version: 200 + BDB version: 197 BDB header size: 0x0016 (22) - BDB size: 0x0eca (3786) + BDB size: 0x0ec1 (3777) BDB blocks present: 1 2 3 6 7 8 9 10 12 13 17 18 20 26 27 28 @@ -19,7 +19,7 @@ BDB block 1 - General features block: Panel fitting: text & graphics Flexaim: yes - Message: no + Message: yes Clear screen: 0 DVO color flip required: no External VBT: yes @@ -28,7 +28,7 @@ Disable SSC on clone: no Underscan support for VGA timings: no Dynamic CD clock: no - Hotplug support in VBIOS: yes + Hotplug support in VBIOS: no Disable smooth vision: no Single DVI for CRT/DVI: no Enable 180 degree rotation: no @@ -54,12 +54,8 @@ Child device size: 38 EFP device info: Device handle: 0x0008 (LFP 1 (eDP)) - Device type: 0x78c6 (eDP) - Power management - Hotplug signaling + Device type: 0x1806 (unknown) Internal connector - Content protection - High speel link DisplayPort output Digital output I2C speed: 0x00 @@ -67,7 +63,7 @@ DP ondock redriver: 0x00 HDMI max data rate: 0x00 HDMI level shifter value: 0x00 - Offset to DTD buffer for edidless EFP: 0x00 + Offset to DTD buffer for edidless EFP: 0x2000 Dual pipe ganged eDP: no Compression method CPS: no Compression enable: no @@ -100,9 +96,9 @@ Device class extendsion: 0x00 DVO function: 0x00 DP USB type C support: no - 2X DP GPIO index: 0x20 + 2X DP GPIO index: 0x00 2X DP GPIO pin number: 0x00 - IBoost level for HDMI: 0x00 + IBoost level for HDMI: 0x02 IBoost level for DP/eDP: 0x00 EFP device info: Device handle: 0x0004 (EFP 1 (HDMI/DVI/DP)) @@ -117,10 +113,10 @@ Digital output I2C speed: 0x10 DP onboard redriver: 0x03 - DP ondock redriver: 0xf8 - HDMI max data rate: 0x01 - HDMI level shifter value: 0x02 - Offset to DTD buffer for edidless EFP: 0x00 + DP ondock redriver: 0x16 + HDMI max data rate: 0x00 + HDMI level shifter value: 0x07 + Offset to DTD buffer for edidless EFP: 0x2000 Dual pipe ganged eDP: no Compression method CPS: no Compression enable: no @@ -153,7 +149,7 @@ Device class extendsion: 0x00 DVO function: 0x00 DP USB type C support: no - 2X DP GPIO index: 0x20 + 2X DP GPIO index: 0x00 2X DP GPIO pin number: 0x00 IBoost level for HDMI: 0x02 IBoost level for DP/eDP: 0x00 @@ -167,7 +163,7 @@ BDB block 8 - Unknown, no decoding available: BDB block 9 - PSR block: - Panel 2 * + Panel 0 * Full link: no Require AUX to wakeup: no Lines to wait before link standby: 0 @@ -218,7 +214,7 @@ BDB block 26 - Unknown, no decoding available: BDB block 27 - eDP block: - Panel 2 * + Panel 0 * Power Sequence: T3 2000 T7 10 T9 2000 T10 500 T12 5000 Panel color depth: 18 bpp eDP sDRRS MSA Delay: Lane 1 @@ -228,17 +224,13 @@ pre-emphasis: none vswing: 0.4V Stereo 3D feature: no - T3 optimization: no + T3 optimization: yes Vswing/preemphasis table selection: Default (400 mV) Fast link training: no DPCD 600h write required: no PWM delays: PWM on to backlight enable: 0 Backlight disable to PWM off: 0 - Full link params provided: no - Full link params: - pre-emphasis: none - vswing: 0.4V BDB block 28 - Unknown, no decoding available: @@ -247,7 +239,7 @@ BDB block 32 - Unknown, no decoding available: BDB block 40 - LVDS options block: - Panel type: 2 + Panel type: 0 LVDS EDID available: no Pixel dither: yes PFIT auto ratio: yes @@ -260,14 +252,14 @@ BDB block 42 - LVDS panel data block: Number of entries: 19 (preferred block marked with '*') -* panel type 02: 1920x1080 clock 133100000 +* panel type 00: 1920x1080 clock 143620000 info: LVDS: 0x00000300 PP_ON_DELAYS: 0x025807d0 PP_OFF_DELAYS: 0x01f407d0 PP_DIVISOR: 0x00270f05 - PFIT: 0x38705480 - timings: 1920 1952 1980 2004 1080 1088 1092 1107 133100.00 (good) + PFIT: 0x38710080 + timings: 1920 2016 2080 2176 1080 1088 1092 1100 143620.00 (good) BDB block 43 - Backlight info block: Inverter type: 2 @@ -275,7 +267,7 @@ GPIO pins: 1 GMBUS speed: 1 PWM freq: 200 - Minimum brightness: 10 + Minimum brightness: 0 I2C slave addr: 0x58 I2C command: 0xaa