media: venus: vdec: Sanitize vdec_set_work_route() per-VPU-version

Replace the general IS_V6 checks with more specific VPU version checks.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.k.varbanov@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/platform/qcom/venus/vdec.c

@@ -727,7 +727,7 @@ static int vdec_set_work_route(struct venus_inst *inst)
 	u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE;
 	struct hfi_video_work_route wr;
 
-	if (!IS_V6(inst->core))
+	if (!(IS_IRIS2(inst->core) || IS_IRIS2_1(inst->core)))
 		return 0;
 
 	wr.video_work_route = inst->core->res->num_vpp_pipes;