media: iris: implement vb2 ops for buf_queue and firmware response

Implement the vb2 ops for the buf queue. These are the different buffer
attributes:
BUF_ATTR_DEFERRED - buffer queued by the client but not submitted to
                    firmware.
BUF_ATTR_PENDING_RELEASE - buffers requested to be released from
                           the firmware.
BUF_ATTR_QUEUED - buffers submitted to the firmware.
BUF_ATTR_DEQUEUED - buffers received from the firmware.
BUF_ATTR_BUFFER_DONE - buffers sent back to vb2.

Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345)
Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/media/platform/qcom/iris/iris_utils.c b/drivers/media/platform/qcom/iris/iris_utils.c
index 8bcfa97db97d..83c70d6a2d90 100644
--- a/drivers/media/platform/qcom/iris/iris_utils.c
+++ b/drivers/media/platform/qcom/iris/iris_utils.c
@@ -4,6 +4,7 @@
  */
 
 #include <linux/pm_runtime.h>
+#include <media/v4l2-mem2mem.h>
 
 #include "iris_instance.h"
 #include "iris_utils.h"
@@ -36,6 +37,21 @@ bool iris_split_mode_enabled(struct iris_inst *inst)
 	return inst->fmt_dst->fmt.pix_mp.pixelformat == V4L2_PIX_FMT_NV12;
 }
 
+void iris_helper_buffers_done(struct iris_inst *inst, unsigned int type,
+			      enum vb2_buffer_state state)
+{
+	struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
+	struct vb2_v4l2_buffer *buf;
+
+	if (V4L2_TYPE_IS_OUTPUT(type)) {
+		while ((buf = v4l2_m2m_src_buf_remove(m2m_ctx)))
+			v4l2_m2m_buf_done(buf, state);
+	} else if (V4L2_TYPE_IS_CAPTURE(type)) {
+		while ((buf = v4l2_m2m_dst_buf_remove(m2m_ctx)))
+			v4l2_m2m_buf_done(buf, state);
+	}
+}
+
 int iris_wait_for_session_response(struct iris_inst *inst, bool is_flush)
 {
 	struct iris_core *core = inst->core;