diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-12-06 10:26:30 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-12-06 10:26:48 +0100 |
| commit | 75e75cbd55183ff12459666c0a1d3e71fe1481ab (patch) | |
| tree | a1dc32cc055770736397f9cf9b68f9e176184943 /drivers/acpi/acpica | |
| parent | 58309befa82d81f6e9dc36a92d2a339ef2144535 (diff) | |
| parent | 197aa6ed522cc44710687d3b02dd4e4573991416 (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Backmerge v4.9-rc8 to get at
commit e94bd1736f1f60e916a85a80c0b0ebeaae36cce5
Author: Michel Dänzer <michel.daenzer@amd.com>
Date: Wed Nov 30 17:30:01 2016 +0900
drm: Don't call drm_for_each_crtc with a non-KMS driver
so I can apply Michel's follow-up patch.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/acpi/acpica')
| -rw-r--r-- | drivers/acpi/acpica/tbfadt.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index 046c4d0394ee..5fb838e592dc 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -480,19 +480,17 @@ static void acpi_tb_convert_fadt(void) u32 i; /* - * For ACPI 1.0 FADTs (revision 1), ensure that reserved fields which + * For ACPI 1.0 FADTs (revision 1 or 2), ensure that reserved fields which * should be zero are indeed zero. This will workaround BIOSs that * inadvertently place values in these fields. * * The ACPI 1.0 reserved fields that will be zeroed are the bytes located * at offset 45, 55, 95, and the word located at offset 109, 110. * - * Note: The FADT revision value is unreliable because of BIOS errors. - * The table length is instead used as the final word on the version. - * - * Note: FADT revision 3 is the ACPI 2.0 version of the FADT. + * Note: The FADT revision value is unreliable. Only the length can be + * trusted. */ - if (acpi_gbl_FADT.header.length <= ACPI_FADT_V3_SIZE) { + if (acpi_gbl_FADT.header.length <= ACPI_FADT_V2_SIZE) { acpi_gbl_FADT.preferred_profile = 0; acpi_gbl_FADT.pstate_control = 0; acpi_gbl_FADT.cst_control = 0; |