[Why]
during S0i3, set power state is toggled a few times,
and dmub uC will restart with current reset/hw_init.
[How]
Remove reset in set power state, and before doing hw_init,
check if dmub is enabled, and doing FW autoload check only
if dmub is already enabled.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
bool dmub_dcn20_is_hw_init(struct dmub_srv *dmub)
{
- return REG_READ(DMCUB_REGION3_CW2_BASE_ADDRESS) != 0;
+ uint32_t is_hw_init;
+
+ REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_hw_init);
+
+ return is_hw_init != 0;
}
bool dmub_dcn20_is_supported(struct dmub_srv *dmub)