Leave a clue about where the seemingly magic values come from, as it is not obvious and requires some digging downstream.. Reviewed-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- drivers/media/platform/qcom/venus/firmware.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index cfb11c551167..a4cd919e1dbe 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -241,6 +241,13 @@ int venus_boot(struct venus_core *core) return ret; if (core->use_tz && res->cp_size) { + /* + * Clues for porting using downstream data: + * cp_start = 0 + * cp_size = venus_ns/virtual-addr-pool[0] (yes, addr not size) + * cp_nonpixel_start = venus_sec_non_pixel/virtual-addr-pool[0] + * cp_nonpixel_size = venus_sec_non_pixel/virtual-addr-pool[1] + */ ret = qcom_scm_mem_protect_video_var(res->cp_start, res->cp_size, res->cp_nonpixel_start, -- 2.40.1