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accel/ivpu: Reset fw log on cold boot

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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: Tomasz Rusinowicz <tomasz.rusinowicz@intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930195322.461209-4-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
This commit is contained in:
Tomasz Rusinowicz 2024-09-30 21:52:54 +02:00 committed by Jacek Lawrynowicz
parent 3a3fb8110c
commit 4b4d9e394b
3 changed files with 16 additions and 0 deletions
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14
drivers/accel/ivpu/ivpu_fw_log.c
View File

@ -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;
}

1
drivers/accel/ivpu/ivpu_fw_log.h
View File

@ -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)
{

1
drivers/accel/ivpu/ivpu_pm.c
View File

@ -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;
}