| Message ID | 20230206062712.10732-1-ivan.hu@canonical.com |
|---|---|
| Headers | show |
| Series | Fix ACPI _CPC not found on dynamic loaded firmware | expand |
On 2/5/23 11:27 PM, Ivan Hu wrote: > BugLink: https://bugs.launchpad.net/bugs/2006077 > [Impact] > Some machines which have dynamically loaded SSDT tables, will not be loaded and > get the CPPC not worked. > > [Fix] > Fix the regression by some load supports for CPPC from an SSDT dynamically > when _OSC reports CPPC v2. And make the "[\_SB.PR00._CPC], AE_NOT_FOUND" gone. > > [Test] > Verified all the OEM dynamic table loaded or the "[\_SB.PR00._CPC], AE_NOT_FOUND" > error exist or not on demesg . > > [Where problems could occur] > Low risk, It only helps to CPPC support loaded. > > > Mario Limonciello (1): > ACPI: CPPC: Only probe for _CPC if CPPC v2 is acked > > Pierre Gondois (1): > ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported > > Rafael J. Wysocki (1): > ACPI: bus: Avoid using CPPC if not supported by firmware > > drivers/acpi/bus.c | 15 +++++++++++---- > drivers/acpi/cppc_acpi.c | 5 +++++ > include/linux/acpi.h | 2 ++ > 3 files changed, 18 insertions(+), 4 deletions(-) > Acked-by: Tim Gardner <tim.gardner@canonical.com>
On 06.02.23 07:27, Ivan Hu wrote: > BugLink: https://bugs.launchpad.net/bugs/2006077 > [Impact] > Some machines which have dynamically loaded SSDT tables, will not be loaded and > get the CPPC not worked. > > [Fix] > Fix the regression by some load supports for CPPC from an SSDT dynamically > when _OSC reports CPPC v2. And make the "[\_SB.PR00._CPC], AE_NOT_FOUND" gone. > > [Test] > Verified all the OEM dynamic table loaded or the "[\_SB.PR00._CPC], AE_NOT_FOUND" > error exist or not on demesg . > > [Where problems could occur] > Low risk, It only helps to CPPC support loaded. > > > Mario Limonciello (1): > ACPI: CPPC: Only probe for _CPC if CPPC v2 is acked > > Pierre Gondois (1): > ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported > > Rafael J. Wysocki (1): > ACPI: bus: Avoid using CPPC if not supported by firmware > > drivers/acpi/bus.c | 15 +++++++++++---- > drivers/acpi/cppc_acpi.c | 5 +++++ > include/linux/acpi.h | 2 ++ > 3 files changed, 18 insertions(+), 4 deletions(-) > Acked-by: Stefan Bader <stefan.bader@canonical.com>
On 06.02.23 07:27, Ivan Hu wrote: > BugLink: https://bugs.launchpad.net/bugs/2006077 > [Impact] > Some machines which have dynamically loaded SSDT tables, will not be loaded and > get the CPPC not worked. > > [Fix] > Fix the regression by some load supports for CPPC from an SSDT dynamically > when _OSC reports CPPC v2. And make the "[\_SB.PR00._CPC], AE_NOT_FOUND" gone. > > [Test] > Verified all the OEM dynamic table loaded or the "[\_SB.PR00._CPC], AE_NOT_FOUND" > error exist or not on demesg . > > [Where problems could occur] > Low risk, It only helps to CPPC support loaded. > > > Mario Limonciello (1): > ACPI: CPPC: Only probe for _CPC if CPPC v2 is acked > > Pierre Gondois (1): > ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported > > Rafael J. Wysocki (1): > ACPI: bus: Avoid using CPPC if not supported by firmware > > drivers/acpi/bus.c | 15 +++++++++++---- > drivers/acpi/cppc_acpi.c | 5 +++++ > include/linux/acpi.h | 2 ++ > 3 files changed, 18 insertions(+), 4 deletions(-) > Applied to jammy:linux/master-next. Thanks. -Stefan