6.8-stable review patch. If anyone has any objections, please let me know.
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From: Armin Wolf W_Armin@gmx.de
[ Upstream commit 403ad17c06509794fdf6e4d4b3070bd5b56e2a8e ]
The ACPI IRQ mapping code supports parsing of ResourceSource, but this is not reported thru _OSC.
Fix this by setting bit 13 ("Interrupt ResourceSource support") when evaluating _OSC.
Fixes: d44fa3d46079 ("ACPI: Add support for ResourceSource/IRQ domain mapping") Signed-off-by: Armin Wolf W_Armin@gmx.de Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/acpi/bus.c | 1 + include/linux/acpi.h | 1 + 2 files changed, 2 insertions(+)
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 9486c1be7258e..3f84d8ed9d299 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -323,6 +323,7 @@ static void acpi_bus_osc_negotiate_platform_control(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_OVER_16_PSTATES_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GED_SUPPORT; + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT; if (IS_ENABLED(CONFIG_ACPI_PRMT)) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PRM_SUPPORT; if (IS_ENABLED(CONFIG_ACPI_FFH)) diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 01ff2dd313680..de1263b1da3bc 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -577,6 +577,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_OVER_16_PSTATES_SUPPORT 0x00000400 #define OSC_SB_GED_SUPPORT 0x00000800 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 +#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT 0x00002000 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00020000 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000