msm: eva: Removes dma-coherent-hint

Deprecate dma-coherent-hint usage in io-coherency support.

Change-Id: Iffe58cb7ad79b60e0b7cf8235cfdc4195307059c
Signed-off-by: George Shen <[email protected]>

msm/eva/cvp_hfi.c

@@ -1357,6 +1357,7 @@ static int __iface_cmdq_write_relaxed(struct iris_hfi_device *device,
 	struct cvp_iface_q_info *q_info;
 	struct cvp_hal_cmd_pkt_hdr *cmd_packet;
 	int result = -E2BIG;
+	struct dma_buf *dbuf;
 
 	if (!device || !pkt) {
 		dprintk(CVP_ERR, "Invalid Params\n");
@@ -1365,6 +1366,9 @@ static int __iface_cmdq_write_relaxed(struct iris_hfi_device *device,
 
 	__strict_check(device);
 
+	dbuf = device->iface_q_table.mem_data.dma_buf;
+	dma_buf_begin_cpu_access(dbuf, DMA_BIDIRECTIONAL);
+
 	if (!__core_in_valid_state(device)) {
 		dprintk(CVP_ERR, "%s - fw not in init state\n", __func__);
 		result = -EINVAL;
@@ -1410,6 +1414,7 @@ static int __iface_cmdq_write_relaxed(struct iris_hfi_device *device,
 
 err_q_write:
 err_q_null:
+	dma_buf_end_cpu_access(dbuf, DMA_BIDIRECTIONAL);
 	return result;
 }
 
@@ -2956,6 +2961,7 @@ static int __response_handler(struct iris_hfi_device *device)
 	int packet_count = 0;
 	u8 *raw_packet = NULL;
 	bool requeue_pm_work = true;
+	struct dma_buf *dbuf_sfr, *dbuf_hfi;
 
 	if (!device || device->state != IRIS_STATE_INIT)
 		return 0;
@@ -2971,6 +2977,10 @@ static int __response_handler(struct iris_hfi_device *device)
 		return 0;
 	}
 
+	dbuf_sfr = device->sfr.mem_data.dma_buf;
+	dbuf_hfi = device->iface_q_table.mem_data.dma_buf;
+	dma_buf_begin_cpu_access(dbuf_sfr, DMA_BIDIRECTIONAL);
+	dma_buf_begin_cpu_access(dbuf_hfi, DMA_BIDIRECTIONAL);
 	if (device->intr_status & CVP_FATAL_INTR_BMSK) {
 		struct cvp_hfi_sfr_struct *vsfr = (struct cvp_hfi_sfr_struct *)
 			device->sfr.align_virtual_addr;
@@ -3073,7 +3083,8 @@ static int __response_handler(struct iris_hfi_device *device)
 
 exit:
 	__flush_debug_queue(device, raw_packet);
-
+	dma_buf_end_cpu_access(dbuf_hfi, DMA_BIDIRECTIONAL);
+	dma_buf_end_cpu_access(dbuf_sfr, DMA_BIDIRECTIONAL);
 	return packet_count;
 }