diff options
Diffstat (limited to 'drivers/firmware/qcom_scm.c')
| -rw-r--r-- | drivers/firmware/qcom_scm.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index e8bbf2d38ae7..5b19f1301c1d 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -863,6 +863,30 @@ int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, } EXPORT_SYMBOL(qcom_scm_assign_mem); +int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, + u32 cp_nonpixel_start, + u32 cp_nonpixel_size) +{ + int ret; + struct qcom_scm_desc desc = { + .svc = QCOM_SCM_SVC_MP, + .cmd = QCOM_SCM_MP_VIDEO_VAR, + .arginfo = QCOM_SCM_ARGS(4, QCOM_SCM_VAL, QCOM_SCM_VAL, + QCOM_SCM_VAL, QCOM_SCM_VAL), + .args[0] = cp_start, + .args[1] = cp_size, + .args[2] = cp_nonpixel_start, + .args[3] = cp_nonpixel_size, + .owner = ARM_SMCCC_OWNER_SIP, + }; + struct qcom_scm_res res; + + ret = qcom_scm_call(__scm->dev, &desc, &res); + + return ret ? : res.result[0]; +} +EXPORT_SYMBOL(qcom_scm_mem_protect_video_var); + /** * qcom_scm_ocmem_lock_available() - is OCMEM lock/unlock interface available */ |