[PATCH v3 5/5] media: iris: configure DMA device for vb2 queue on OUTPUT plane

Vikash Garodia
2025-06-27T15:48:43Z

While setting up the vb2 queues, assign "non_pixel" device to manage
OUTPUT plane buffers i.e bitstream buffers incase of decoder. It prefers
the non_pixel device(np_dev) when available, falling back to core->dev
otherwise.

Signed-off-by: Vikash Garodia <quic_vgarodia@quicinc.com>
---
drivers/media/platform/qcom/iris/iris_vb2.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/platform/qcom/iris/iris_vb2.c
index cdf11feb590b5cb7804db3fcde7282fb1f9f1a1e..01cc337970400d48063c558c1ac039539dbcbaba 100644
--- a/drivers/media/platform/qcom/iris/iris_vb2.c
+++ b/drivers/media/platform/qcom/iris/iris_vb2.c
@@ -159,6 +159,10 @@ int iris_vb2_queue_setup(struct vb2_queue *q,
*num_planes = 1;
sizes[0] = f->fmt.pix_mp.plane_fmt[0].sizeimage;

+ if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT ||
+ q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
+ q->dev = core->np_dev ? core->np_dev : core->dev;
+
unlock:
mutex_unlock(&inst->lock);

--
2.34.1