Commit 4b4d9e39 authored by Tomasz Rusinowicz's avatar Tomasz Rusinowicz Committed by Jacek Lawrynowicz
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accel/ivpu: Reset fw log on cold boot 



Add ivpu_fw_log_reset() that resets the read_index of all FW logs
on cold boot so logs are properly read.

Signed-off-by: default avatarTomasz Rusinowicz <tomasz.rusinowicz@intel.com>
Reviewed-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: default avatarJeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-4-jacek.lawrynowicz@linux.intel.com


Signed-off-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
parent 3a3fb811

drivers/accel/ivpu/ivpu_fw_log.c

+14 −0
Original line number Diff line number Diff line
@@ -140,3 +140,17 @@ void ivpu_fw_log_clear(struct ivpu_device *vdev) 
	while (fw_log_ptr(vdev, vdev->fw->mem_log_verb, &next, &log_header) == 0)

		log_header->read_index = log_header->write_index;

}



void ivpu_fw_log_reset(struct ivpu_device *vdev)

{

	struct vpu_tracing_buffer_header *log_header;

	u32 next;



	next = 0;

	while (fw_log_ptr(vdev, vdev->fw->mem_log_crit, &next, &log_header) == 0)

		log_header->read_index = 0;



	next = 0;

	while (fw_log_ptr(vdev, vdev->fw->mem_log_verb, &next, &log_header) == 0)

		log_header->read_index = 0;

}

drivers/accel/ivpu/ivpu_fw_log.h

+1 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ extern unsigned int ivpu_fw_log_level; 


void ivpu_fw_log_print(struct ivpu_device *vdev, bool only_new_msgs, struct drm_printer *p);

void ivpu_fw_log_clear(struct ivpu_device *vdev);

void ivpu_fw_log_reset(struct ivpu_device *vdev);



static inline void ivpu_fw_log_dump(struct ivpu_device *vdev)

{

drivers/accel/ivpu/ivpu_pm.c

+1 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ static void ivpu_pm_prepare_cold_boot(struct ivpu_device *vdev) 


	ivpu_cmdq_reset_all_contexts(vdev);

	ivpu_ipc_reset(vdev);

	ivpu_fw_log_reset(vdev);

	ivpu_fw_load(vdev);

	fw->entry_point = fw->cold_boot_entry_point;

}