[PATCH 2/5] drm/xe/reg_sr: Write all whitelist slots

Lucas De Marchi lucas.demarchi at intel.com
Fri Dec 6 05:02:41 UTC 2024


On Thu, Dec 05, 2024 at 02:51:00PM -0800, John Harrison wrote:
>On 12/5/2024 10:22, Lucas De Marchi wrote:
>>Currently if there's 1 whitelisted register in the engine, on slot is
>>written with that register and all the others are written to a sane
>>value. For the free slots, there's no reason to change the behavior
>>if there are 0, 1 or slots occupied. If the default value from HW is not
>>trusted, all values should be written to.
>>
>>Also, later on all values are passed to GuC via ADS to be restored on
>The values are not passed to GuC, only the register addresses. GuC 

I know, just a poor choice of wording with "sr value" (which is actually
the register address).

Lucas De Marchi


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