From d07ac8ee13ce7f1af5a9d9a5d2e194ab27b8fb9a Mon Sep 17 00:00:00 2001 From: Nico Huber Date: Sun, 22 Mar 2020 20:12:13 +0100 Subject: drivers/intel/gma: Ditch `link_frequency_270_mhz` setting The `link_frequency_270_mhz` setting was originally used by the native graphics init code for Sandy/Ivy Bridge, which is long gone. The value of this information (which board had it set) is questionable. The only board that had an LVDS panel and set it to 0 was the ThinkPad L520, where native graphics init was never reported to work. Also, the native graphics init only used it for calculations, but never confi- gured the hardware to use a specific frequency. A look into the docu- mentation also doesn't reveal any straps that could be used to confi- gure it. Change-Id: Ieceaa13e4529096a8ba9036479fd84969faebd14 Signed-off-by: Nico Huber Reviewed-on: https://review.coreboot.org/c/coreboot/+/39763 Reviewed-by: Angel Pons Reviewed-by: Alexander Couzens Tested-by: build bot (Jenkins) --- src/mainboard/lenovo/l520/devicetree.cb | 1 - src/mainboard/lenovo/s230u/devicetree.cb | 1 - src/mainboard/lenovo/t410/devicetree.cb | 1 - src/mainboard/lenovo/t420/devicetree.cb | 1 - src/mainboard/lenovo/t420s/devicetree.cb | 1 - src/mainboard/lenovo/t430/devicetree.cb | 1 - src/mainboard/lenovo/t430s/devicetree.cb | 1 - src/mainboard/lenovo/t520/devicetree.cb | 1 - src/mainboard/lenovo/t530/variants/t530/devicetree.cb | 1 - src/mainboard/lenovo/t530/variants/w530/devicetree.cb | 1 - src/mainboard/lenovo/x131e/devicetree.cb | 1 - src/mainboard/lenovo/x1_carbon_gen1/devicetree.cb | 1 - src/mainboard/lenovo/x201/devicetree.cb | 1 - src/mainboard/lenovo/x220/devicetree.cb | 1 - src/mainboard/lenovo/x230/devicetree.cb | 1 - 15 files changed, 15 deletions(-) (limited to 'src/mainboard/lenovo') diff --git a/src/mainboard/lenovo/l520/devicetree.cb b/src/mainboard/lenovo/l520/devicetree.cb index 29b75984fb..897b52a558 100644 --- a/src/mainboard/lenovo/l520/devicetree.cb +++ b/src/mainboard/lenovo/l520/devicetree.cb @@ -1,6 +1,5 @@ chip northbridge/intel/sandybridge register "gfx.did" = "{ 0x80000100, 0x80000240, 0x80000410, 0x80000410, 0x00000005 }" - register "gfx.link_frequency_270_mhz" = "0" register "gfx.ndid" = "3" register "gfx.use_spread_spectrum_clock" = "0" register "gpu_cpu_backlight" = "0x00000000" diff --git a/src/mainboard/lenovo/s230u/devicetree.cb b/src/mainboard/lenovo/s230u/devicetree.cb index b03e2f9459..8483a54c7d 100644 --- a/src/mainboard/lenovo/s230u/devicetree.cb +++ b/src/mainboard/lenovo/s230u/devicetree.cb @@ -1,6 +1,5 @@ chip northbridge/intel/sandybridge register "gfx.did" = "{ 0x80000100, 0x80000240, 0x80000410, 0x80000410, 0x00000005 }" - register "gfx.link_frequency_270_mhz" = "1" register "gfx.ndid" = "3" register "gfx.use_spread_spectrum_clock" = "1" register "gpu_cpu_backlight" = "0x00000060" diff --git a/src/mainboard/lenovo/t410/devicetree.cb b/src/mainboard/lenovo/t410/devicetree.cb index c48285e44c..064bc741d2 100644 --- a/src/mainboard/lenovo/t410/devicetree.cb +++ b/src/mainboard/lenovo/t410/devicetree.cb @@ -31,7 +31,6 @@ chip northbridge/intel/ironlake register "gpu_cpu_backlight" = "0x58d" register "gpu_pch_backlight" = "0x061a061a" register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" device cpu_cluster 0 on chip cpu/intel/model_2065x diff --git a/src/mainboard/lenovo/t420/devicetree.cb b/src/mainboard/lenovo/t420/devicetree.cb index 53bd16f68a..eaae94c35f 100644 --- a/src/mainboard/lenovo/t420/devicetree.cb +++ b/src/mainboard/lenovo/t420/devicetree.cb @@ -14,7 +14,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2000" # T3: 200ms register "gpu_panel_power_backlight_off_delay" = "2000" # T4: 200ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x06100610" diff --git a/src/mainboard/lenovo/t420s/devicetree.cb b/src/mainboard/lenovo/t420s/devicetree.cb index c91b04e919..5cf3165e33 100644 --- a/src/mainboard/lenovo/t420s/devicetree.cb +++ b/src/mainboard/lenovo/t420s/devicetree.cb @@ -13,7 +13,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2000" # T3: 200ms register "gpu_panel_power_backlight_off_delay" = "2000" # T4: 200ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x06100610" diff --git a/src/mainboard/lenovo/t430/devicetree.cb b/src/mainboard/lenovo/t430/devicetree.cb index cfdc3a4189..1cb38599b1 100644 --- a/src/mainboard/lenovo/t430/devicetree.cb +++ b/src/mainboard/lenovo/t430/devicetree.cb @@ -13,7 +13,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2100" # T3: 210ms register "gpu_panel_power_backlight_off_delay" = "2100" # T4: 210ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x11551155" diff --git a/src/mainboard/lenovo/t430s/devicetree.cb b/src/mainboard/lenovo/t430s/devicetree.cb index ee612cd95c..586e7d9a75 100644 --- a/src/mainboard/lenovo/t430s/devicetree.cb +++ b/src/mainboard/lenovo/t430s/devicetree.cb @@ -13,7 +13,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2100" # T3: 210ms register "gpu_panel_power_backlight_off_delay" = "2100" # T4: 210ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x11551155" diff --git a/src/mainboard/lenovo/t520/devicetree.cb b/src/mainboard/lenovo/t520/devicetree.cb index e28f6cc552..296a30491f 100644 --- a/src/mainboard/lenovo/t520/devicetree.cb +++ b/src/mainboard/lenovo/t520/devicetree.cb @@ -14,7 +14,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2000" # T3: 200ms register "gpu_panel_power_backlight_off_delay" = "2000" # T4: 200ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x06100610" diff --git a/src/mainboard/lenovo/t530/variants/t530/devicetree.cb b/src/mainboard/lenovo/t530/variants/t530/devicetree.cb index 09fb3cdb59..d10371fdba 100644 --- a/src/mainboard/lenovo/t530/variants/t530/devicetree.cb +++ b/src/mainboard/lenovo/t530/variants/t530/devicetree.cb @@ -14,7 +14,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2000" # T3: 200ms register "gpu_panel_power_backlight_off_delay" = "2000" # T4: 200ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x11551155" diff --git a/src/mainboard/lenovo/t530/variants/w530/devicetree.cb b/src/mainboard/lenovo/t530/variants/w530/devicetree.cb index 17b0b41a10..095111b3ce 100644 --- a/src/mainboard/lenovo/t530/variants/w530/devicetree.cb +++ b/src/mainboard/lenovo/t530/variants/w530/devicetree.cb @@ -14,7 +14,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2000" # T3: 200ms register "gpu_panel_power_backlight_off_delay" = "2000" # T4: 200ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x11551155" diff --git a/src/mainboard/lenovo/x131e/devicetree.cb b/src/mainboard/lenovo/x131e/devicetree.cb index 2d15d87176..5f19740db3 100644 --- a/src/mainboard/lenovo/x131e/devicetree.cb +++ b/src/mainboard/lenovo/x131e/devicetree.cb @@ -13,7 +13,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "3000" register "gpu_panel_power_backlight_off_delay" = "2000" register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x11551155" diff --git a/src/mainboard/lenovo/x1_carbon_gen1/devicetree.cb b/src/mainboard/lenovo/x1_carbon_gen1/devicetree.cb index ded920cb07..c9a83f5e0b 100644 --- a/src/mainboard/lenovo/x1_carbon_gen1/devicetree.cb +++ b/src/mainboard/lenovo/x1_carbon_gen1/devicetree.cb @@ -1,6 +1,5 @@ chip northbridge/intel/sandybridge register "gfx.did" = "{ 0x80000100, 0x80000240, 0x80000410, 0x80000410, 0x00000005 }" - register "gfx.link_frequency_270_mhz" = "1" register "gfx.ndid" = "3" register "gfx.use_spread_spectrum_clock" = "1" register "gpu_cpu_backlight" = "0x00001155" diff --git a/src/mainboard/lenovo/x201/devicetree.cb b/src/mainboard/lenovo/x201/devicetree.cb index 8b6f1486cd..5bfbebd4be 100644 --- a/src/mainboard/lenovo/x201/devicetree.cb +++ b/src/mainboard/lenovo/x201/devicetree.cb @@ -32,7 +32,6 @@ chip northbridge/intel/ironlake register "gpu_cpu_backlight" = "0x58d" register "gpu_pch_backlight" = "0x061a061a" register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" device cpu_cluster 0 on chip cpu/intel/model_2065x diff --git a/src/mainboard/lenovo/x220/devicetree.cb b/src/mainboard/lenovo/x220/devicetree.cb index 5ae14278b4..8749b5cfd5 100644 --- a/src/mainboard/lenovo/x220/devicetree.cb +++ b/src/mainboard/lenovo/x220/devicetree.cb @@ -14,7 +14,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2000" # T3: 200ms register "gpu_panel_power_backlight_off_delay" = "2000" # T4: 200ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x06100610" diff --git a/src/mainboard/lenovo/x230/devicetree.cb b/src/mainboard/lenovo/x230/devicetree.cb index e492dda710..52c5d329dc 100644 --- a/src/mainboard/lenovo/x230/devicetree.cb +++ b/src/mainboard/lenovo/x230/devicetree.cb @@ -14,7 +14,6 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2100" # T3: 210ms register "gpu_panel_power_backlight_off_delay" = "2100" # T4: 210ms register "gfx.use_spread_spectrum_clock" = "1" - register "gfx.link_frequency_270_mhz" = "1" register "gpu_cpu_backlight" = "0x1155" register "gpu_pch_backlight" = "0x11551155" -- cgit v1.2.3