video: driver: queue pending buffers at streamon

qbuf will be deferred on all ports before streamon,
So explicitly queue pending buffers at the time of
streamon.

Change-Id: I673a14f0d43563184aac887f5f23b63ed13d59df
Signed-off-by: Govindaraj Rajagopal <[email protected]>

driver/vidc/inc/msm_vdec.h

@@ -29,7 +29,6 @@ int msm_vdec_init_input_subcr_params(struct msm_vidc_inst *inst);
 int msm_vdec_input_port_settings_change(struct msm_vidc_inst *inst);
 int msm_vdec_output_port_settings_change(struct msm_vidc_inst *inst);
 int msm_vdec_process_cmd(struct msm_vidc_inst *inst, u32 cmd);
-int msm_vidc_queue_buffer_batch(struct msm_vidc_inst *inst);
 int msm_vdec_handle_release_buffer(struct msm_vidc_inst *inst,
 	struct msm_vidc_buffer *buf);
 

driver/vidc/inc/msm_vidc_driver.h

@@ -348,7 +348,12 @@ int msm_vidc_get_delayed_unmap(struct msm_vidc_inst *inst,
 	struct msm_vidc_map *map);
 int msm_vidc_put_delayed_unmap(struct msm_vidc_inst *inst,
 	struct msm_vidc_map *map);
-int msm_vidc_queue_buffer_single(struct msm_vidc_inst *inst, struct vb2_buffer *vb2);
+enum msm_vidc_buffer_type v4l2_type_to_driver(u32 type,
+	const char *func);
+int msm_vidc_queue_buffer_single(struct msm_vidc_inst *inst,
+	struct vb2_buffer *vb2);
+int msm_vidc_queue_deferred_buffers(struct msm_vidc_inst *inst,
+	enum msm_vidc_buffer_type buf_type);
 int msm_vidc_destroy_internal_buffer(struct msm_vidc_inst *inst,
 	struct msm_vidc_buffer *buffer);
 void msm_vidc_destroy_buffers(struct msm_vidc_inst *inst);

driver/vidc/src/msm_vdec.c

@@ -1783,7 +1783,7 @@ static int msm_vdec_qbuf_batch(struct msm_vidc_inst *inst,
 		cancel_batch_work(inst);
 	}
 
-	rc = msm_vidc_queue_buffer_batch(inst);
+	rc = msm_vidc_queue_deferred_buffers(inst, MSM_VIDC_BUF_OUTPUT);
 	if (rc)
 		return rc;
 

driver/vidc/src/msm_vidc_driver.c

@@ -2938,18 +2938,18 @@ static int msm_vidc_queue_buffer(struct msm_vidc_inst *inst, struct msm_vidc_buf
 	return 0;
 }
 
-int msm_vidc_queue_buffer_batch(struct msm_vidc_inst *inst)
+int msm_vidc_queue_deferred_buffers(struct msm_vidc_inst *inst, enum msm_vidc_buffer_type buf_type)
 {
 	struct msm_vidc_buffers *buffers;
 	struct msm_vidc_buffer *buf;
 	int rc = 0;
 
-	if (!inst) {
+	if (!inst || !buf_type) {
 		d_vpr_e("%s: invalid params\n", __func__);
 		return -EINVAL;
 	}
 
-	buffers = msm_vidc_get_buffers(inst, MSM_VIDC_BUF_OUTPUT, __func__);
+	buffers = msm_vidc_get_buffers(inst, buf_type, __func__);
 	if (!buffers)
 		return -EINVAL;
 
@@ -4488,7 +4488,7 @@ void msm_vidc_batch_handler(struct work_struct *work)
 	}
 
 	i_vpr_h(inst, "%s: queue pending batch buffers\n", __func__);
-	rc = msm_vidc_queue_buffer_batch(inst);
+	rc = msm_vidc_queue_deferred_buffers(inst, MSM_VIDC_BUF_OUTPUT);
 	if (rc) {
 		i_vpr_e(inst, "%s: batch qbufs failed\n", __func__);
 		msm_vidc_change_inst_state(inst, MSM_VIDC_ERROR, __func__);

driver/vidc/src/msm_vidc_vb2.c

@@ -151,6 +151,7 @@ int msm_vidc_start_streaming(struct vb2_queue *q, unsigned int count)
 {
 	int rc = 0;
 	struct msm_vidc_inst *inst;
+	enum msm_vidc_buffer_type buf_type;
 
 	if (!q || !q->drv_priv) {
 		d_vpr_e("%s: invalid input, q = %pK\n", q);
@@ -226,6 +227,15 @@ int msm_vidc_start_streaming(struct vb2_queue *q, unsigned int count)
 	/* print final buffer counts & size details */
 	msm_vidc_print_buffer_info(inst);
 
+	buf_type = v4l2_type_to_driver(q->type, __func__);
+	if (!buf_type)
+		goto error;
+
+	/* queue pending buffers */
+	rc = msm_vidc_queue_deferred_buffers(inst, buf_type);
+	if (rc)
+		goto error;
+
 	i_vpr_h(inst, "Streamon: %d successful\n", q->type);
 
 	return rc;