Commit ab4484cd authored by Wachowski, Karol's avatar Wachowski, Karol Committed by Jacek Lawrynowicz
Browse files

accel/ivpu: Disable clock relinquish for MMIO reset 



It is required to disable NPU clock relinquish for the time
of MMIO reset. Clock relinquish gets into default (enabled)
state after MMIO reset is performed.

Signed-off-by: default avatarWachowski, Karol <karol.wachowski@intel.com>
Reviewed-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611120433.1012423-6-jacek.lawrynowicz@linux.intel.com
parent 52ab5be1

drivers/accel/ivpu/ivpu_hw_btrs.c

+2 −0
Original line number Diff line number Diff line
@@ -504,6 +504,8 @@ static int ip_reset_lnl(struct ivpu_device *vdev) 
	int ret;

	u32 val;



	ivpu_hw_btrs_clock_relinquish_disable_lnl(vdev);



	ret = REGB_POLL_FLD(VPU_HW_BTRS_LNL_IP_RESET, TRIGGER, 0, TIMEOUT_US);

	if (ret) {

		ivpu_err(vdev, "Wait for *_TRIGGER timed out\n");