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path: root/drivers/accel/ivpu/ivpu_fw.c
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Diffstat (limited to 'drivers/accel/ivpu/ivpu_fw.c')
-rw-r--r--drivers/accel/ivpu/ivpu_fw.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/accel/ivpu/ivpu_fw.c b/drivers/accel/ivpu/ivpu_fw.c
index 0191cf8e5964..a277bbae78fc 100644
--- a/drivers/accel/ivpu/ivpu_fw.c
+++ b/drivers/accel/ivpu/ivpu_fw.c
@@ -220,8 +220,7 @@ static int ivpu_fw_mem_init(struct ivpu_device *vdev)
if (ret)
return ret;
- fw->mem = ivpu_bo_alloc_internal(vdev, fw->runtime_addr, fw->runtime_size,
- DRM_IVPU_BO_CACHED | DRM_IVPU_BO_NOSNOOP);
+ fw->mem = ivpu_bo_alloc_internal(vdev, fw->runtime_addr, fw->runtime_size, DRM_IVPU_BO_WC);
if (!fw->mem) {
ivpu_err(vdev, "Failed to allocate firmware runtime memory\n");
return -ENOMEM;
@@ -331,7 +330,7 @@ int ivpu_fw_load(struct ivpu_device *vdev)
memset(start, 0, size);
}
- clflush_cache_range(fw->mem->kvaddr, fw->mem->base.size);
+ wmb(); /* Flush WC buffers after writing fw->mem */
return 0;
}
@@ -433,7 +432,7 @@ void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, struct vpu_boot_params
if (!ivpu_fw_is_cold_boot(vdev)) {
boot_params->save_restore_ret_address = 0;
vdev->pm->is_warmboot = true;
- clflush_cache_range(vdev->fw->mem->kvaddr, SZ_4K);
+ wmb(); /* Flush WC buffers after writing save_restore_ret_address */
return;
}
@@ -495,7 +494,7 @@ void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, struct vpu_boot_params
boot_params->punit_telemetry_sram_size = ivpu_hw_reg_telemetry_size_get(vdev);
boot_params->vpu_telemetry_enable = ivpu_hw_reg_telemetry_enable_get(vdev);
- clflush_cache_range(vdev->fw->mem->kvaddr, SZ_4K);
+ wmb(); /* Flush WC buffers after writing bootparams */
ivpu_fw_boot_params_print(vdev, boot_params);
}