media: venus: helpers: Done buffers per queue type

Currently calling venus_helper_buffers_done() will return buffers to
user for both capture and output queues in the same call. This is
wrong because both queues are really separate and calling
stop_streaming on one queue shouldn't return buffers for the other.
Solve this by add a new queue type argument and fix the clients of
the helper function.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/qcom/venus/helpers.c

@@ -1129,15 +1129,18 @@ void venus_helper_vb2_buf_queue(struct vb2_buffer *vb)
 }
 EXPORT_SYMBOL_GPL(venus_helper_vb2_buf_queue);
 
-void venus_helper_buffers_done(struct venus_inst *inst,
+void venus_helper_buffers_done(struct venus_inst *inst, unsigned int type,
 			       enum vb2_buffer_state state)
 {
 	struct vb2_v4l2_buffer *buf;
 
-	while ((buf = v4l2_m2m_src_buf_remove(inst->m2m_ctx)))
-		v4l2_m2m_buf_done(buf, state);
-	while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))
-		v4l2_m2m_buf_done(buf, state);
+	if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+		while ((buf = v4l2_m2m_src_buf_remove(inst->m2m_ctx)))
+			v4l2_m2m_buf_done(buf, state);
+	} else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
+		while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))
+			v4l2_m2m_buf_done(buf, state);
+	}
 }
 EXPORT_SYMBOL_GPL(venus_helper_buffers_done);
 
@@ -1168,7 +1171,10 @@ void venus_helper_vb2_stop_streaming(struct vb2_queue *q)
 		INIT_LIST_HEAD(&inst->registeredbufs);
 	}
 
-	venus_helper_buffers_done(inst, VB2_BUF_STATE_ERROR);
+	venus_helper_buffers_done(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
+				  VB2_BUF_STATE_ERROR);
+	venus_helper_buffers_done(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+				  VB2_BUF_STATE_ERROR);
 
 	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 		inst->streamon_out = 0;

drivers/media/platform/qcom/venus/helpers.h

@@ -14,7 +14,7 @@ struct venus_core;
 bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt);
 struct vb2_v4l2_buffer *venus_helper_find_buf(struct venus_inst *inst,
 					      unsigned int type, u32 idx);
-void venus_helper_buffers_done(struct venus_inst *inst,
+void venus_helper_buffers_done(struct venus_inst *inst, unsigned int type,
 			       enum vb2_buffer_state state);
 int venus_helper_vb2_buf_init(struct vb2_buffer *vb);
 int venus_helper_vb2_buf_prepare(struct vb2_buffer *vb);

drivers/media/platform/qcom/venus/vdec.c

@@ -1044,7 +1044,7 @@ static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
 put_power:
 	vdec_pm_put(inst, false);
 error:
-	venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
+	venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
 	mutex_unlock(&inst->lock);
 	return ret;
 }
@@ -1071,7 +1071,6 @@ static int vdec_stop_capture(struct venus_inst *inst)
 		break;
 	case VENUS_DEC_STATE_DRC:
 		ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT);
-		vdec_cancel_dst_buffers(inst);
 		inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
 		INIT_LIST_HEAD(&inst->registeredbufs);
 		venus_helper_free_dpb_bufs(inst);
@@ -1117,7 +1116,7 @@ static void vdec_stop_streaming(struct vb2_queue *q)
 	else
 		ret = vdec_stop_output(inst);
 
-	venus_helper_buffers_done(inst, VB2_BUF_STATE_ERROR);
+	venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR);
 
 	if (ret)
 		goto unlock;

drivers/media/platform/qcom/venus/venc.c

@@ -1018,7 +1018,7 @@ static int venc_start_streaming(struct vb2_queue *q, unsigned int count)
 deinit_sess:
 	hfi_session_deinit(inst);
 bufs_done:
-	venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED);
+	venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
 	if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
 		inst->streamon_out = 0;
 	else