@@ -221,6 +221,33 @@ static void iris_session_close(struct iris_inst *inst)
iris_wait_for_session_response(inst, false);
}
+static void iris_check_num_queued_internal_buffers(struct iris_inst *inst, u32 plane)
+{
+ const struct iris_platform_data *platform_data = inst->core->iris_platform_data;
+ struct iris_buffer *buf, *next;
+ struct iris_buffers *buffers;
+ const u32 *internal_buf_type;
+ u32 internal_buffer_count, i;
+ u32 count = 0;
+
+ if (V4L2_TYPE_IS_OUTPUT(plane)) {
+ internal_buf_type = platform_data->dec_ip_int_buf_tbl;
+ internal_buffer_count = platform_data->dec_ip_int_buf_tbl_size;
+ } else {
+ internal_buf_type = platform_data->dec_op_int_buf_tbl;
+ internal_buffer_count = platform_data->dec_op_int_buf_tbl_size;
+ }
+
+ for (i = 0; i < internal_buffer_count; i++) {
+ buffers = &inst->buffers[internal_buf_type[i]];
+ list_for_each_entry_safe(buf, next, &buffers->list, list)
+ count++;
+ if (count)
+ dev_err(inst->core->dev, "%d buffer of type %d not released",
+ count, internal_buf_type[i]);
+ }
+}
+
int iris_close(struct file *filp)
{
struct iris_inst *inst = iris_get_inst(filp, NULL);
@@ -235,6 +262,8 @@ int iris_close(struct file *filp)
iris_v4l2_fh_deinit(inst);
iris_destroy_all_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
iris_destroy_all_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
+ iris_check_num_queued_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
+ iris_check_num_queued_internal_buffers(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
iris_remove_session(inst);
mutex_unlock(&inst->lock);
mutex_destroy(&inst->ctx_q_lock);
Validate all internal buffers queued to firmware are released back to driver on close. This helps ensure buffer lifecycle correctness and aids in debugging any resporce leaks. Cc: stable@vger.kernel.org Fixes: 73702f45db81 ("media: iris: allocate, initialize and queue internal buffers") Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> --- drivers/media/platform/qcom/iris/iris_vidc.c | 29 ++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)