diff options
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/powernow-k8.c')
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 44 |
1 files changed, 12 insertions, 32 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 2a50ef891000..6394aa5c7985 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c | |||
@@ -605,9 +605,10 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst, | |||
605 | return 0; | 605 | return 0; |
606 | } | 606 | } |
607 | 607 | ||
608 | static void invalidate_entry(struct powernow_k8_data *data, unsigned int entry) | 608 | static void invalidate_entry(struct cpufreq_frequency_table *powernow_table, |
609 | unsigned int entry) | ||
609 | { | 610 | { |
610 | data->powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID; | 611 | powernow_table[entry].frequency = CPUFREQ_ENTRY_INVALID; |
611 | } | 612 | } |
612 | 613 | ||
613 | static void print_basics(struct powernow_k8_data *data) | 614 | static void print_basics(struct powernow_k8_data *data) |
@@ -854,6 +855,10 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data) | |||
854 | goto err_out; | 855 | goto err_out; |
855 | } | 856 | } |
856 | 857 | ||
858 | /* fill in data */ | ||
859 | data->numps = data->acpi_data.state_count; | ||
860 | powernow_k8_acpi_pst_values(data, 0); | ||
861 | |||
857 | if (cpu_family == CPU_HW_PSTATE) | 862 | if (cpu_family == CPU_HW_PSTATE) |
858 | ret_val = fill_powernow_table_pstate(data, powernow_table); | 863 | ret_val = fill_powernow_table_pstate(data, powernow_table); |
859 | else | 864 | else |
@@ -866,11 +871,8 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data) | |||
866 | powernow_table[data->acpi_data.state_count].index = 0; | 871 | powernow_table[data->acpi_data.state_count].index = 0; |
867 | data->powernow_table = powernow_table; | 872 | data->powernow_table = powernow_table; |
868 | 873 | ||
869 | /* fill in data */ | ||
870 | data->numps = data->acpi_data.state_count; | ||
871 | if (cpumask_first(cpu_core_mask(data->cpu)) == data->cpu) | 874 | if (cpumask_first(cpu_core_mask(data->cpu)) == data->cpu) |
872 | print_basics(data); | 875 | print_basics(data); |
873 | powernow_k8_acpi_pst_values(data, 0); | ||
874 | 876 | ||
875 | /* notify BIOS that we exist */ | 877 | /* notify BIOS that we exist */ |
876 | acpi_processor_notify_smm(THIS_MODULE); | 878 | acpi_processor_notify_smm(THIS_MODULE); |
@@ -914,13 +916,13 @@ static int fill_powernow_table_pstate(struct powernow_k8_data *data, | |||
914 | "bad value %d.\n", i, index); | 916 | "bad value %d.\n", i, index); |
915 | printk(KERN_ERR PFX "Please report to BIOS " | 917 | printk(KERN_ERR PFX "Please report to BIOS " |
916 | "manufacturer\n"); | 918 | "manufacturer\n"); |
917 | invalidate_entry(data, i); | 919 | invalidate_entry(powernow_table, i); |
918 | continue; | 920 | continue; |
919 | } | 921 | } |
920 | rdmsr(MSR_PSTATE_DEF_BASE + index, lo, hi); | 922 | rdmsr(MSR_PSTATE_DEF_BASE + index, lo, hi); |
921 | if (!(hi & HW_PSTATE_VALID_MASK)) { | 923 | if (!(hi & HW_PSTATE_VALID_MASK)) { |
922 | dprintk("invalid pstate %d, ignoring\n", index); | 924 | dprintk("invalid pstate %d, ignoring\n", index); |
923 | invalidate_entry(data, i); | 925 | invalidate_entry(powernow_table, i); |
924 | continue; | 926 | continue; |
925 | } | 927 | } |
926 | 928 | ||
@@ -941,7 +943,6 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, | |||
941 | struct cpufreq_frequency_table *powernow_table) | 943 | struct cpufreq_frequency_table *powernow_table) |
942 | { | 944 | { |
943 | int i; | 945 | int i; |
944 | int cntlofreq = 0; | ||
945 | 946 | ||
946 | for (i = 0; i < data->acpi_data.state_count; i++) { | 947 | for (i = 0; i < data->acpi_data.state_count; i++) { |
947 | u32 fid; | 948 | u32 fid; |
@@ -970,7 +971,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, | |||
970 | /* verify frequency is OK */ | 971 | /* verify frequency is OK */ |
971 | if ((freq > (MAX_FREQ * 1000)) || (freq < (MIN_FREQ * 1000))) { | 972 | if ((freq > (MAX_FREQ * 1000)) || (freq < (MIN_FREQ * 1000))) { |
972 | dprintk("invalid freq %u kHz, ignoring\n", freq); | 973 | dprintk("invalid freq %u kHz, ignoring\n", freq); |
973 | invalidate_entry(data, i); | 974 | invalidate_entry(powernow_table, i); |
974 | continue; | 975 | continue; |
975 | } | 976 | } |
976 | 977 | ||
@@ -978,38 +979,17 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, | |||
978 | * BIOSs are using "off" to indicate invalid */ | 979 | * BIOSs are using "off" to indicate invalid */ |
979 | if (vid == VID_OFF) { | 980 | if (vid == VID_OFF) { |
980 | dprintk("invalid vid %u, ignoring\n", vid); | 981 | dprintk("invalid vid %u, ignoring\n", vid); |
981 | invalidate_entry(data, i); | 982 | invalidate_entry(powernow_table, i); |
982 | continue; | 983 | continue; |
983 | } | 984 | } |
984 | 985 | ||
985 | /* verify only 1 entry from the lo frequency table */ | ||
986 | if (fid < HI_FID_TABLE_BOTTOM) { | ||
987 | if (cntlofreq) { | ||
988 | /* if both entries are the same, | ||
989 | * ignore this one ... */ | ||
990 | if ((freq != powernow_table[cntlofreq].frequency) || | ||
991 | (index != powernow_table[cntlofreq].index)) { | ||
992 | printk(KERN_ERR PFX | ||
993 | "Too many lo freq table " | ||
994 | "entries\n"); | ||
995 | return 1; | ||
996 | } | ||
997 | |||
998 | dprintk("double low frequency table entry, " | ||
999 | "ignoring it.\n"); | ||
1000 | invalidate_entry(data, i); | ||
1001 | continue; | ||
1002 | } else | ||
1003 | cntlofreq = i; | ||
1004 | } | ||
1005 | |||
1006 | if (freq != (data->acpi_data.states[i].core_frequency * 1000)) { | 986 | if (freq != (data->acpi_data.states[i].core_frequency * 1000)) { |
1007 | printk(KERN_INFO PFX "invalid freq entries " | 987 | printk(KERN_INFO PFX "invalid freq entries " |
1008 | "%u kHz vs. %u kHz\n", freq, | 988 | "%u kHz vs. %u kHz\n", freq, |
1009 | (unsigned int) | 989 | (unsigned int) |
1010 | (data->acpi_data.states[i].core_frequency | 990 | (data->acpi_data.states[i].core_frequency |
1011 | * 1000)); | 991 | * 1000)); |
1012 | invalidate_entry(data, i); | 992 | invalidate_entry(powernow_table, i); |
1013 | continue; | 993 | continue; |
1014 | } | 994 | } |
1015 | } | 995 | } |