1 comment:
File src/soc/intel/cannonlake/romstage/fsp_params.c:
Patch Set #5, Line 79: flex_ratio = rdmsr(MSR_FLEX_RATIO);
because FIT has option to set the default value (other than 0) as well and if an user override FIT setting to change value to something else like 5 may be then in that case, i will fake and tell FSP its always 0, which might not be correct. So the purpose is FSP will read FIT value from MSR and pass into UPD to it know what is CPU operating freq.
if i do pass 0 here forcefully then there might be gap when user set 5 in FIT and FSP is reading 0 as CB fake that.
I don't get it. 0 here just means that FSP should not override the flex_ratio whathever other mechanism like FIT set it up? Also please add some comments about the FIT mechanism in this code.
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