msm: camera: icp: Enable Cache Flag for ICP HFI Memory Allocation

This change improves memory allocation flexibility and enables
caching for ICP firmware memory, which can reduce latency and
improve throughput.

Change-Id: I958fd0a502c6cd3e517c561dc6b2d1fe5dc6054d
Signed-off-by: Chandan Kumar Jha <cjha@qti.qualcomm.com>

Author: cjha01

camera/drivers/cam_icp/icp_hw/icp_hw_mgr/cam_icp_hw_mgr.c

@@ -3575,7 +3575,7 @@ static int cam_icp_allocate_hfi_mem(struct cam_icp_hw_mgr *hw_mgr)
 		alloc.size = qtbl_size + cmdq_size + msgq_size + dbgq_size +
 			sfr_size + sec_heap_size;
 		alloc.align = 0;
-		alloc.flags = CAM_MEM_FLAG_KMD_ACCESS;
+		alloc.flags = CAM_MEM_FLAG_KMD_ACCESS | CAM_MEM_FLAG_CACHE;
 		alloc.smmu_hdl = hw_mgr->iommu_hdl;
 		rc = cam_mem_mgr_reserve_memory_region(&alloc,
 			CAM_SMMU_REGION_FWUNCACHED, &out);

camera/drivers/cam_req_mgr/cam_mem_mgr.c

@@ -2375,7 +2375,8 @@ int cam_mem_mgr_reserve_memory_region(struct cam_mem_mgr_request_desc *inp,
 		return -EINVAL;
 	}
 
-	rc = cam_mem_util_get_dma_buf(inp->size, 0, CAM_MEMMGR_ALLOC_KERNEL, &buf, &i_ino);
+	rc = cam_mem_util_get_dma_buf(inp->size, inp->flags,
+		CAM_MEMMGR_ALLOC_KERNEL, &buf, &i_ino);
 
 	if (rc) {
 		CAM_ERR(CAM_MEM, "ION alloc failed for sec heap buffer");