Quoting Jackie Li (2018-03-14 02:32:53)
> GuC WOPCM registers are write-once registers. Current driver code accesses
> these registers without checking the accessibility to these registers which
> will lead to unpredictable driver behaviors if these registers were touch
> by other components (such
GuC WOPCM registers are write-once registers. Current driver code accesses
these registers without checking the accessibility to these registers which
will lead to unpredictable driver behaviors if these registers were touch
by other components (such as faulty BIOS code).
This patch moves the GuC