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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>
This commit is contained in:
Timothy Pearson 2015-10-28 17:13:28 -05:00 committed by Ronald G. Minnich
parent ab95702f1e
commit c6cd5d4ed5
1 changed files with 21 additions and 25 deletions
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46
src/cpu/amd/model_fxx/powernow_acpi.c
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@ -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++;
}