On Tue, Mar 06, 2018 at 12:11:03PM -0800, José Roberto de Souza wrote:
> When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it
> self, so lets use the mutex register that is available in gen9+ to
> avoid concurrent access by hardware and driver.
> Older gen handling will be done separ
When PSR/PSR2/GTC is enabled hardware can do AUX transactions by it
self, so lets use the mutex register that is available in gen9+ to
avoid concurrent access by hardware and driver.
Older gen handling will be done separated.
Reference:
https://01.org/sites/default/files/documentation/intel-gfx-p
