venus: guard load_scale

load_scale can only be safely called after
the encoder has been initialized.

Signed-off-by: Fritz Koenig <frkoenig@chromium.org>

drivers/media/platform/qcom/venus/pm_helpers.h

@@ -35,6 +35,10 @@ static inline int venus_pm_load_scale(struct venus_inst *inst)
 	if (!core->pm_ops || !core->pm_ops->load_scale)
 		return 0;
 
+	if (inst->session_type == VIDC_SESSION_TYPE_ENC &&
+	    inst->enc_state == VENUS_ENC_STATE_INIT)
+		return 0;
+
 	return core->pm_ops->load_scale(inst);
 }