cam: isp: tfe: add query cap for comp grp in legacy acquire

Query the context bus comp group information in legacy acquire
call.

CRs-Fixed: 3696470
Signed-off-by: Alok Chauhan <[email protected]>
Change-Id: Ib80858e6b81e1c7fce2e00597f58f0a98e12ff87

drivers/cam_isp/cam_isp_context.c

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2024, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <linux/debugfs.h>
@@ -2243,7 +2243,7 @@ static int __cam_isp_ctx_handle_buf_done_for_request_verify_addr(
 		comp_grp = &ctx_isp->vfe_bus_comp_grp[done->comp_group_id];
 
 	if (!comp_grp) {
-		CAM_ERR(CAM_ISP, "comp_grp is NULL");
+		CAM_ERR(CAM_ISP, "comp_grp is NULL for hw_type: %d", done->hw_type);
 		rc = -EINVAL;
 		return rc;
 	}
@@ -7393,6 +7393,7 @@ static int __cam_isp_ctx_acquire_hw_v1(struct cam_context *ctx,
 	struct cam_hw_cmd_args            hw_cmd_args;
 	struct cam_isp_hw_cmd_args        isp_hw_cmd_args;
 	struct cam_isp_acquire_hw_info   *acquire_hw_info = NULL;
+	struct cam_isp_comp_record_query  query_cmd;
 
 	if (!ctx->hw_mgr_intf) {
 		CAM_ERR(CAM_ISP, "HW interface is not ready, ctx %u link: 0x%x",
@@ -7468,6 +7469,30 @@ static int __cam_isp_ctx_acquire_hw_v1(struct cam_context *ctx,
 	ctx_isp->is_tfe_shdr = (param.op_flags & CAM_IFE_CTX_SHDR_EN);
 	ctx_isp->is_shdr_master = (param.op_flags & CAM_IFE_CTX_SHDR_IS_MASTER);
 
+	/* Query the context bus comp group information */
+	ctx_isp->vfe_bus_comp_grp = kcalloc(CAM_IFE_BUS_COMP_NUM_MAX,
+			sizeof(struct cam_isp_context_comp_record), GFP_KERNEL);
+	if (!ctx_isp->vfe_bus_comp_grp) {
+		CAM_ERR(CAM_CTXT, "%s[%d] no memory for vfe_bus_comp_grp",
+			ctx->dev_name, ctx->ctx_id);
+		rc = -ENOMEM;
+		goto free_hw;
+	}
+
+	query_cmd.vfe_bus_comp_grp = ctx_isp->vfe_bus_comp_grp;
+	hw_cmd_args.ctxt_to_hw_map = param.ctxt_to_hw_map;
+	hw_cmd_args.cmd_type = CAM_HW_MGR_CMD_INTERNAL;
+	isp_hw_cmd_args.cmd_type = CAM_ISP_HW_MGR_GET_BUS_COMP_GROUP;
+	isp_hw_cmd_args.cmd_data = &query_cmd;
+	hw_cmd_args.u.internal_args = (void *)&isp_hw_cmd_args;
+	rc = ctx->hw_mgr_intf->hw_cmd(ctx->hw_mgr_intf->hw_mgr_priv,
+			&hw_cmd_args);
+	if (rc) {
+		CAM_ERR(CAM_ISP, "Bus Comp HW command failed, ctx_idx: %u, link: 0x%x",
+			ctx->ctx_id, ctx->link_hdl);
+		goto free_hw;
+	}
+
 	/* Query the context has rdi only resource */
 	hw_cmd_args.ctxt_to_hw_map = param.ctxt_to_hw_map;
 	hw_cmd_args.cmd_type = CAM_HW_MGR_CMD_INTERNAL;