[PATCH 13/38] media: vivid: move the create queues to a separate function

From: Mauro Carvalho Chehab
Date: Wed Sep 02 2020 - 12:18:48 EST


Instead of placing everything inside vivid_create_instance(),
we can move the part which creates per-type video queues
into a separate function.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
drivers/media/test-drivers/vivid/vivid-core.c | 175 +++++++++---------
1 file changed, 92 insertions(+), 83 deletions(-)

diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c
index 3340b61e68c0..69cc8456a323 100644
--- a/drivers/media/test-drivers/vivid/vivid-core.c
+++ b/drivers/media/test-drivers/vivid/vivid-core.c
@@ -1218,6 +1218,93 @@ static int vivid_init_dv_timings(struct vivid_dev *dev)
return 0;
}

+static int vivid_create_queues(struct vivid_dev *dev)
+{
+ int ret;
+
+ /* start creating the vb2 queues */
+ if (dev->has_vid_cap) {
+ /* initialize vid_cap queue */
+ ret = vivid_create_queue(dev, &dev->vb_vid_cap_q,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE, 2,
+ &vivid_vid_cap_qops);
+ if (ret)
+ return ret;
+ }
+
+ if (dev->has_vid_out) {
+ /* initialize vid_out queue */
+ ret = vivid_create_queue(dev, &dev->vb_vid_out_q,
+ V4L2_BUF_TYPE_VIDEO_OUTPUT, 2,
+ &vivid_vid_out_qops);
+ if (ret)
+ return ret;
+ }
+
+ if (dev->has_vbi_cap) {
+ /* initialize vbi_cap queue */
+ ret = vivid_create_queue(dev, &dev->vb_vbi_cap_q,
+ V4L2_BUF_TYPE_VBI_CAPTURE, 2,
+ &vivid_vbi_cap_qops);
+ if (ret)
+ return ret;
+ }
+
+ if (dev->has_vbi_out) {
+ /* initialize vbi_out queue */
+ ret = vivid_create_queue(dev, &dev->vb_vbi_out_q,
+ V4L2_BUF_TYPE_VBI_OUTPUT, 2,
+ &vivid_vbi_out_qops);
+ if (ret)
+ return ret;
+ }
+
+ if (dev->has_sdr_cap) {
+ /* initialize sdr_cap queue */
+ ret = vivid_create_queue(dev, &dev->vb_sdr_cap_q,
+ V4L2_BUF_TYPE_SDR_CAPTURE, 8,
+ &vivid_sdr_cap_qops);
+ if (ret)
+ return ret;
+ }
+
+ if (dev->has_meta_cap) {
+ /* initialize meta_cap queue */
+ ret = vivid_create_queue(dev, &dev->vb_meta_cap_q,
+ V4L2_BUF_TYPE_META_CAPTURE, 2,
+ &vivid_meta_cap_qops);
+ if (ret)
+ return ret;
+ }
+
+ if (dev->has_meta_out) {
+ /* initialize meta_out queue */
+ ret = vivid_create_queue(dev, &dev->vb_meta_out_q,
+ V4L2_BUF_TYPE_META_OUTPUT, 1,
+ &vivid_meta_out_qops);
+ if (ret)
+ return ret;
+ }
+
+ if (dev->has_touch_cap) {
+ /* initialize touch_cap queue */
+ ret = vivid_create_queue(dev, &dev->vb_touch_cap_q,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE, 1,
+ &vivid_touch_cap_qops);
+ if (ret)
+ return ret;
+ }
+
+ if (dev->has_fb) {
+ /* Create framebuffer for testing capture/output overlay */
+ ret = vivid_fb_init(dev);
+ if (ret)
+ return ret;
+ v4l2_info(&dev->v4l2_dev, "Framebuffer device registered as fb%d\n",
+ dev->fb_info.node);
+ }
+ return 0;
+}

static int vivid_create_instance(struct platform_device *pdev, int inst)
{
@@ -1399,8 +1486,8 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
* Same as create_singlethread_workqueue, but now I can use the
* string formatting of alloc_ordered_workqueue.
*/
- dev->cec_workqueue =
- alloc_ordered_workqueue("vivid-%03d-cec", WQ_MEM_RECLAIM, inst);
+ dev->cec_workqueue = alloc_ordered_workqueue("vivid-%03d-cec",
+ WQ_MEM_RECLAIM, inst);
if (!dev->cec_workqueue) {
ret = -ENOMEM;
goto unreg_dev;
@@ -1409,87 +1496,9 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
if (allocators[inst] == 1)
dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));

- /* start creating the vb2 queues */
- if (dev->has_vid_cap) {
- /* initialize vid_cap queue */
- ret = vivid_create_queue(dev, &dev->vb_vid_cap_q,
- V4L2_BUF_TYPE_VIDEO_CAPTURE, 2,
- &vivid_vid_cap_qops);
- if (ret)
- goto unreg_dev;
- }
-
- if (dev->has_vid_out) {
- /* initialize vid_out queue */
- ret = vivid_create_queue(dev, &dev->vb_vid_out_q,
- V4L2_BUF_TYPE_VIDEO_OUTPUT, 2,
- &vivid_vid_out_qops);
- if (ret)
- goto unreg_dev;
- }
-
- if (dev->has_vbi_cap) {
- /* initialize vbi_cap queue */
- ret = vivid_create_queue(dev, &dev->vb_vbi_cap_q,
- V4L2_BUF_TYPE_VBI_CAPTURE, 2,
- &vivid_vbi_cap_qops);
- if (ret)
- goto unreg_dev;
- }
-
- if (dev->has_vbi_out) {
- /* initialize vbi_out queue */
- ret = vivid_create_queue(dev, &dev->vb_vbi_out_q,
- V4L2_BUF_TYPE_VBI_OUTPUT, 2,
- &vivid_vbi_out_qops);
- if (ret)
- goto unreg_dev;
- }
-
- if (dev->has_sdr_cap) {
- /* initialize sdr_cap queue */
- ret = vivid_create_queue(dev, &dev->vb_sdr_cap_q,
- V4L2_BUF_TYPE_SDR_CAPTURE, 8,
- &vivid_sdr_cap_qops);
- if (ret)
- goto unreg_dev;
- }
-
- if (dev->has_meta_cap) {
- /* initialize meta_cap queue */
- ret = vivid_create_queue(dev, &dev->vb_meta_cap_q,
- V4L2_BUF_TYPE_META_CAPTURE, 2,
- &vivid_meta_cap_qops);
- if (ret)
- goto unreg_dev;
- }
-
- if (dev->has_meta_out) {
- /* initialize meta_out queue */
- ret = vivid_create_queue(dev, &dev->vb_meta_out_q,
- V4L2_BUF_TYPE_META_OUTPUT, 1,
- &vivid_meta_out_qops);
- if (ret)
- goto unreg_dev;
- }
-
- if (dev->has_touch_cap) {
- /* initialize touch_cap queue */
- ret = vivid_create_queue(dev, &dev->vb_touch_cap_q,
- V4L2_BUF_TYPE_VIDEO_CAPTURE, 1,
- &vivid_touch_cap_qops);
- if (ret)
- goto unreg_dev;
- }
-
- if (dev->has_fb) {
- /* Create framebuffer for testing capture/output overlay */
- ret = vivid_fb_init(dev);
- if (ret)
- goto unreg_dev;
- v4l2_info(&dev->v4l2_dev, "Framebuffer device registered as fb%d\n",
- dev->fb_info.node);
- }
+ ret = vivid_create_queues(dev);
+ if (ret)
+ goto unreg_dev;

#ifdef CONFIG_VIDEO_VIVID_CEC
if (dev->has_vid_cap && in_type_counter[HDMI]) {
--
2.26.2