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Device and Host have a time synchronization mechanism that happens once during boot when device is in SBL mode. After that, in mission-mode there is no timesync. In an experiment after continuous operation, device time drifted w.r.t. host by approximately 3 seconds per day. This drift leads to mismatch in timestamp of device and Host logs. To correct this implement periodic timesync in driver. This timesync is carried out via QAIC_TIMESYNC_PERIODIC MHI channel. Signed-off-by: Ajit Pal Singh <quic_ajitpals@quicinc.com> Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com> Reviewed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com> Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231016170114.5446-2-quic_jhugo@quicinc.com |
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| habanalabs | ||
| ivpu | ||
| qaic | ||
| drm_accel.c | ||
| Kconfig | ||
| Makefile | ||