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| author | Patrick Georgi <patrick@georgi-clan.de> | 2015-03-05 20:18:21 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-06 22:30:13 +0100 |
| commit | a425b960914003ece27612233929b1be2fc2c15a (patch) | |
| tree | 9a048db6a33e355803ac73a887f91b6ab0eebd93 | |
| parent | e236204d537808180ace7b78c1dc293ed59d9878 (diff) | |
| download | coreboot-a425b960914003ece27612233929b1be2fc2c15a.tar.xz | |
AMD Fam10h: Only create _PR scope if it is filled in
The former pstates_algorithm() function has two early exit
points now, and so it might never get around to writing
pstates data.
Change-Id: I19ca937375c6d33b78bd5b1859fa5c25473be9b6
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/8610
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
| -rw-r--r-- | src/cpu/amd/model_10xxx/fidvid.c | 2 | ||||
| -rw-r--r-- | src/cpu/amd/model_10xxx/powernow_acpi.c | 13 |
2 files changed, 5 insertions, 10 deletions
diff --git a/src/cpu/amd/model_10xxx/fidvid.c b/src/cpu/amd/model_10xxx/fidvid.c index a3f3075dd8..798d538a53 100644 --- a/src/cpu/amd/model_10xxx/fidvid.c +++ b/src/cpu/amd/model_10xxx/fidvid.c @@ -79,7 +79,7 @@ Fam10 Bios and Kernel Development Guide #31116, rev 3.48, April 22, 2010 11.- finalPstateChange() from init_fidvid_Stage2 (BKDG says just "may", anyway) 12.- generate ACPI for p-states. - generated in powernow_acpi.c pstates_algorithm() + generated in powernow_acpi.c amd_generate_powernow() "must also be completed" diff --git a/src/cpu/amd/model_10xxx/powernow_acpi.c b/src/cpu/amd/model_10xxx/powernow_acpi.c index 09726a0cda..bf97099cf2 100644 --- a/src/cpu/amd/model_10xxx/powernow_acpi.c +++ b/src/cpu/amd/model_10xxx/powernow_acpi.c @@ -79,7 +79,7 @@ static void write_pstates_for_core(u8 pstate_num, u16 *pstate_feq, u32 *pstate_p * processor combination is installed. If it does break please fix the * code in the proper locations! */ -static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) +void amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP) { u8 processor_brand[49]; u32 *v; @@ -260,17 +260,12 @@ static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) Pstate_latency[index]); } + char pscope[] = "\\_PR"; + + acpigen_write_scope(pscope); for (index = 0; index < cmp_cap; index++) write_pstates_for_core(Pstate_num, Pstate_feq, Pstate_power, Pstate_latency, Pstate_control, Pstate_status, index, pcontrol_blk, plen, onlyBSP); -} - -void amd_generate_powernow(u32 pcontrol_blk, u8 plen, u8 onlyBSP) -{ - char pscope[] = "\\_PR"; - - acpigen_write_scope(pscope); - pstates_algorithm(pcontrol_blk, plen, onlyBSP); acpigen_pop_len(); } |