diff options
Diffstat (limited to 'SOURCES/v6-ACPI-skip-IRQ-override-on-AMD-Zen-platforms.patch')
| -rw-r--r-- | SOURCES/v6-ACPI-skip-IRQ-override-on-AMD-Zen-platforms.patch | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/SOURCES/v6-ACPI-skip-IRQ-override-on-AMD-Zen-platforms.patch b/SOURCES/v6-ACPI-skip-IRQ-override-on-AMD-Zen-platforms.patch new file mode 100644 index 0000000..fa98586 --- /dev/null +++ b/SOURCES/v6-ACPI-skip-IRQ-override-on-AMD-Zen-platforms.patch @@ -0,0 +1,21 @@ +diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c +index c2d494784425..510cdec375c4 100644 +--- a/drivers/acpi/resource.c ++++ b/drivers/acpi/resource.c +@@ -416,6 +416,16 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, + { + int i; + ++#ifdef CONFIG_X86 ++ /* ++ * IRQ override isn't needed on modern AMD Zen systems and ++ * this override breaks active low IRQs on AMD Ryzen 6000 and ++ * newer systems. Skip it. ++ */ ++ if (boot_cpu_has(X86_FEATURE_ZEN)) ++ return false; ++#endif ++ + for (i = 0; i < ARRAY_SIZE(skip_override_table); i++) { + const struct irq_override_cmp *entry = &skip_override_table[i]; + |