diff options
Diffstat (limited to 'target/linux/mediatek/patches-5.15')
2 files changed, 53 insertions, 29 deletions
diff --git a/target/linux/mediatek/patches-5.15/351-cpufreq-mediatek-correct-voltages-for-MT7622-and-MT7.patch b/target/linux/mediatek/patches-5.15/351-cpufreq-mediatek-correct-voltages-for-MT7622-and-MT7.patch new file mode 100644 index 0000000000..6ab05b897c --- /dev/null +++ b/target/linux/mediatek/patches-5.15/351-cpufreq-mediatek-correct-voltages-for-MT7622-and-MT7.patch @@ -0,0 +1,53 @@ +From e7697814c142c99f470c3458d49e41b25a575f23 Mon Sep 17 00:00:00 2001 +From: Daniel Golle <daniel@makrotopia.org> +Date: Fri, 26 May 2023 10:31:40 +0100 +Subject: [PATCH] cpufreq: mediatek: correct voltages for MT7622 and MT7623 + +The MT6380 regulator typically used together with MT7622 does not +support the current maximum processor and SRAM voltage in the cpufreq +driver (1360000uV). +For MT7622 limit processor and SRAM supply voltages to 1350000uV to +avoid having the tracking algorithm request unsupported voltages from +the regulator. + +On MT7623 there is no separate SRAM supply and the maximum voltage used +is 1300000uV. Create dedicated platform data for MT7623 to cover that +case as well. + +Fixes: 0883426fd07e3 ("cpufreq: mediatek: Raise proc and sram max voltage for MT7622/7623") +Suggested-by: Jia-wei Chang <Jia-wei.Chang@mediatek.com> +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + drivers/cpufreq/mediatek-cpufreq.c | 13 ++++++++++--- + 1 file changed, 10 insertions(+), 3 deletions(-) + +--- a/drivers/cpufreq/mediatek-cpufreq.c ++++ b/drivers/cpufreq/mediatek-cpufreq.c +@@ -696,9 +696,16 @@ static const struct mtk_cpufreq_platform + static const struct mtk_cpufreq_platform_data mt7622_platform_data = { + .min_volt_shift = 100000, + .max_volt_shift = 200000, +- .proc_max_volt = 1360000, ++ .proc_max_volt = 1350000, + .sram_min_volt = 0, +- .sram_max_volt = 1360000, ++ .sram_max_volt = 1350000, ++ .ccifreq_supported = false, ++}; ++ ++static const struct mtk_cpufreq_platform_data mt7623_platform_data = { ++ .min_volt_shift = 100000, ++ .max_volt_shift = 200000, ++ .proc_max_volt = 1300000, + .ccifreq_supported = false, + }; + +@@ -743,7 +750,7 @@ static const struct of_device_id mtk_cpu + { .compatible = "mediatek,mt2701", .data = &mt2701_platform_data }, + { .compatible = "mediatek,mt2712", .data = &mt2701_platform_data }, + { .compatible = "mediatek,mt7622", .data = &mt7622_platform_data }, +- { .compatible = "mediatek,mt7623", .data = &mt7622_platform_data }, ++ { .compatible = "mediatek,mt7623", .data = &mt7623_platform_data }, + { .compatible = "mediatek,mt7988", .data = &mt7988_platform_data }, + { .compatible = "mediatek,mt8167", .data = &mt8516_platform_data }, + { .compatible = "mediatek,mt817x", .data = &mt2701_platform_data }, diff --git a/target/linux/mediatek/patches-5.15/351-cpufreq-mediatek-don-t-request-unsupported-voltage.patch b/target/linux/mediatek/patches-5.15/351-cpufreq-mediatek-don-t-request-unsupported-voltage.patch deleted file mode 100644 index a7a4bd8ea2..0000000000 --- a/target/linux/mediatek/patches-5.15/351-cpufreq-mediatek-don-t-request-unsupported-voltage.patch +++ /dev/null @@ -1,29 +0,0 @@ -From 20aad28ba5d62f1618408c264384d0b2ad7417db Mon Sep 17 00:00:00 2001 -From: Daniel Golle <daniel@makrotopia.org> -Date: Mon, 22 May 2023 23:25:48 +0100 -Subject: [PATCH] cpufreq: mediatek: don't request unsupported voltage - -PMICs on MT7622 and MT7623 boards only support up to 1350000uV despite -the SoC's processor and SRAM voltage can be up to 1360000uV. As a -work-around specify max. processor and SRAM voltage as 1350000uV to -avoid requesting an unsupported voltage from the regulator. - -Signed-off-by: Daniel Golle <daniel@makrotopia.org> ---- - drivers/cpufreq/mediatek-cpufreq.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - ---- a/drivers/cpufreq/mediatek-cpufreq.c -+++ b/drivers/cpufreq/mediatek-cpufreq.c -@@ -696,9 +696,9 @@ static const struct mtk_cpufreq_platform - static const struct mtk_cpufreq_platform_data mt7622_platform_data = { - .min_volt_shift = 100000, - .max_volt_shift = 200000, -- .proc_max_volt = 1360000, -+ .proc_max_volt = 1350000, - .sram_min_volt = 0, -- .sram_max_volt = 1360000, -+ .sram_max_volt = 1350000, - .ccifreq_supported = false, - }; - |