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| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-10-28 17:13:28 -0500 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2015-10-30 16:01:45 +0100 |
| commit | c6cd5d4ed50a95656ec2eb0e68242e43859b578c (patch) | |
| tree | 0696c21f66ad92a4886636bdbad242ec366c9ecc /src/cpu/amd | |
| parent | ab95702f1e4c4e9ca1c33516877308ce9d94e0ca (diff) | |
| download | coreboot-c6cd5d4ed50a95656ec2eb0e68242e43859b578c.tar.xz | |
cpu/amd/model_fxx: Fix invalid P-state power values
Change-Id: Ifdb1d1f267af289d962effe1150c7bc0a39cb5d2
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/12233
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/cpu/amd')
| -rw-r--r-- | src/cpu/amd/model_fxx/powernow_acpi.c | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/src/cpu/amd/model_fxx/powernow_acpi.c b/src/cpu/amd/model_fxx/powernow_acpi.c index 1ce746d17a..53330f9933 100644 --- a/src/cpu/amd/model_fxx/powernow_acpi.c +++ b/src/cpu/amd/model_fxx/powernow_acpi.c @@ -250,17 +250,17 @@ static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) Pstate_vid[1] = Pstate_vid[0] + 0x1; Pstate_volt[1] = 1550 - Pstate_vid[1] * 25; Pstate_power[1] = - (unsigned long long)Pstate_power[0] * - Pstate_feq[1] * Pstate_volt[1] * Pstate_volt[1] / - (Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); + ((unsigned long long)Pstate_power[0] * + Pstate_feq[1] * Pstate_volt[1] * Pstate_volt[1]) / + ((unsigned long long)Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); } if (((Pstate_vid[0] & 0x1) == 0) && ((Pstate_vid[0] - 0x1) < Min_vid)) { /* even value */ Pstate_vid[1] = Pstate_vid[0] + PstateStep_coef; Pstate_volt[1] = 1550 - Pstate_vid[1] * 25; Pstate_power[1] = - (unsigned long long)Pstate_power[0] * - Pstate_feq[1] * Pstate_volt[1] * Pstate_volt[1] / - (Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); + ((unsigned long long)Pstate_power[0] * + Pstate_feq[1] * Pstate_volt[1] * Pstate_volt[1]) / + ((unsigned long long)Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); } Pstate_num++; } @@ -274,17 +274,17 @@ static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) Pstate_vid[1] = Pstate_vid[0] + 0x1; Pstate_volt[1] = 1550 - Pstate_vid[1] * 25; Pstate_power[1] = - (unsigned long long)Pstate_power[0] * - Pstate_feq[1] * Pstate_volt[1] * Pstate_volt[1] / - (Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); + ((unsigned long long)Pstate_power[0] * + Pstate_feq[1] * Pstate_volt[1] * Pstate_volt[1]) / + ((unsigned long long)Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); } if (((Pstate_vid[0] & 0x1) == 0) && ((Pstate_vid[0] - 0x1) < Min_vid)) { /* even value */ Pstate_vid[1] = Pstate_vid[0] + PstateStep_coef; Pstate_volt[1] = 1550 - Pstate_vid[1] * 25; Pstate_power[1] = - (unsigned long long)Pstate_power[0] * - Pstate_feq[1] * Pstate_volt[1] * Pstate_volt[1] / - (Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); + ((unsigned long long)Pstate_power[0] * + Pstate_feq[1] * Pstate_volt[1] * Pstate_volt[1]) / + ((unsigned long long)Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); } Pstate_num++; @@ -309,11 +309,9 @@ static void pstates_algorithm(u32 pcontrol_blk, u8 plen, u8 onlyBSP) Pstate_volt[Pstate_num] = 1550 - Pstate_vid[Pstate_num] * 25; Pstate_power[Pstate_num] = - (unsigned long long)Pstate_power[0] * - Pstate_feq[Pstate_num] * Pstate_volt[Pstate_num] * - Pstate_volt[Pstate_num] / (Pstate_feq[0] * - Pstate_volt[0] * - Pstate_volt[0]); + ((unsigned long long)Pstate_power[0] * + Pstate_feq[Pstate_num] * Pstate_volt[Pstate_num] * Pstate_volt[Pstate_num]) / + ((unsigned long long)Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); } Pstate_num++; } @@ -327,10 +325,9 @@ nointpstatesup: Pstate_vid[Pstate_num] = Min_vid; Pstate_volt[Pstate_num] = 1550 - Pstate_vid[Pstate_num] * 25; Pstate_power[Pstate_num] = - (unsigned long long)Pstate_power[0] * - Pstate_feq[Pstate_num] * Pstate_volt[Pstate_num] * - Pstate_volt[Pstate_num] / (Pstate_feq[0] * Pstate_volt[0] * - Pstate_volt[0]); + ((unsigned long long)Pstate_power[0] * + Pstate_feq[Pstate_num] * Pstate_volt[Pstate_num] * Pstate_volt[Pstate_num]) / + ((unsigned long long)Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); Pstate_num++; } else { Pstate_fid[Pstate_num] = Start_fid; @@ -339,10 +336,9 @@ nointpstatesup: Pstate_vid[Pstate_num] = Min_vid; Pstate_volt[Pstate_num] = 1550 - Pstate_vid[Pstate_num] * 25; Pstate_power[Pstate_num] = - (unsigned long long)Pstate_power[0] * - Pstate_feq[Pstate_num] * Pstate_volt[Pstate_num] * - Pstate_volt[Pstate_num] / (Pstate_feq[0] * Pstate_volt[0] * - Pstate_volt[0]); + ((unsigned long long)Pstate_power[0] * + Pstate_feq[Pstate_num] * Pstate_volt[Pstate_num] * Pstate_volt[Pstate_num]) / + ((unsigned long long)Pstate_feq[0] * Pstate_volt[0] * Pstate_volt[0]); Pstate_num++; } |