[Why]
There is a warning that triggers when pstate takes too long.
Pstate can take up to ~200us on Linux without hanging but
it is currently set to 40us.
[How]
Change the timeout for the warning to be 180us on Linux.
Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* still not asserted, we are probably stuck and going to hang
*
* TODO: Figure out why it takes ~100us on linux
- * pstate takes around ~100us on linux. Unknown currently as to
- * why it takes that long on linux
+ * pstate takes around ~100us (up to 200us) on linux. Unknown currently
+ * as to why it takes that long on linux
*/
const unsigned int pstate_wait_timeout_us = 200;
- const unsigned int pstate_wait_expected_timeout_us = 40;
+ const unsigned int pstate_wait_expected_timeout_us = 180;
static unsigned int max_sampled_pstate_wait_us; /* data collection */
static bool forced_pstate_allow; /* help with revert wa */