msm: camera: isp: Add CDM Debug register dump during bubble

Add CDM Debug register dump when the Bubble is detected due
to cdm callback not received.

CRs-Fixed: 3163463
Change-Id: I028ac9216704d14cc51648b0a5a78b0a2a366f12
Signed-off-by: Jigar Agrawal <[email protected]>

drivers/cam_isp/isp_hw_mgr/cam_ife_hw_mgr.c

@@ -6018,7 +6018,7 @@ static int cam_ife_mgr_config_hw(void *hw_mgr_priv,
 	struct cam_ife_hw_mgr_ctx *ctx;
 	struct cam_isp_prepare_hw_update_data *hw_update_data;
 	unsigned long rem_jiffies = 0;
-	bool cdm_hang_detect = false;
+	bool is_cdm_hung = false;
 
 	if (!hw_mgr_priv || !config_hw_args) {
 		CAM_ERR(CAM_ISP,
@@ -6072,12 +6072,15 @@ static int cam_ife_mgr_config_hw(void *hw_mgr_priv,
 
 	if (cfg->reapply_type && cfg->cdm_reset_before_apply) {
 		if (ctx->last_cdm_done_req < cfg->request_id) {
-			cdm_hang_detect =
-				cam_cdm_detect_hang_error(ctx->cdm_handle);
+			is_cdm_hung = !cam_cdm_detect_hang_error(ctx->cdm_handle);
 			CAM_ERR_RATE_LIMIT(CAM_ISP,
-				"CDM callback not received for req: %lld, last_cdm_done_req: %lld, cdm_hang_detect: %d",
+				"CDM callback not received for req: %lld, last_cdm_done_req: %lld, is_cdm_hung: %d",
 				cfg->request_id, ctx->last_cdm_done_req,
-				cdm_hang_detect);
+				is_cdm_hung);
+
+			if (!is_cdm_hung)
+				cam_cdm_dump_debug_registers(ctx->cdm_handle);
+
 			rc = cam_cdm_reset_hw(ctx->cdm_handle);
 			if (rc) {
 				CAM_ERR_RATE_LIMIT(CAM_ISP,
@@ -6230,10 +6233,10 @@ static int cam_ife_mgr_config_hw(void *hw_mgr_priv,
 					"config done completion timeout for req_id=%llu ctx_index %d",
 					cfg->request_id, ctx->ctx_index);
 
-				if (!cam_cdm_detect_hang_error(ctx->cdm_handle)) {
+				if (!cam_cdm_detect_hang_error(ctx->cdm_handle))
 					CAM_ERR(CAM_ISP, "CDM Workqueue delayed");
+				else
 					cam_cdm_dump_debug_registers(ctx->cdm_handle);
-				}
 
 				rc = -ETIMEDOUT;
 			} else {

drivers/cam_isp/isp_hw_mgr/cam_tfe_hw_mgr.c

@@ -2618,7 +2618,7 @@ static int cam_tfe_mgr_config_hw(void *hw_mgr_priv,
 	struct cam_cdm_bl_request *cdm_cmd;
 	struct cam_tfe_hw_mgr_ctx *ctx;
 	struct cam_isp_prepare_hw_update_data *hw_update_data;
-	bool cdm_hang_detect = false;
+	bool is_cdm_hung = false;
 
 	if (!hw_mgr_priv || !config_hw_args) {
 		CAM_ERR(CAM_ISP, "Invalid arguments");
@@ -2644,12 +2644,15 @@ static int cam_tfe_mgr_config_hw(void *hw_mgr_priv,
 
 	if (cfg->reapply_type && cfg->cdm_reset_before_apply) {
 		if (ctx->last_cdm_done_req < cfg->request_id) {
-			cdm_hang_detect =
-				cam_cdm_detect_hang_error(ctx->cdm_handle);
+			is_cdm_hung = !cam_cdm_detect_hang_error(ctx->cdm_handle);
 			CAM_ERR_RATE_LIMIT(CAM_ISP,
-				"CDM callback not received for req: %lld, last_cdm_done_req: %lld, cdm_hang_detect: %d",
+				"CDM callback not received for req: %lld, last_cdm_done_req: %lld, is_cdm_hung: %d",
 				cfg->request_id, ctx->last_cdm_done_req,
-				cdm_hang_detect);
+				is_cdm_hung);
+
+			if (!is_cdm_hung)
+				cam_cdm_dump_debug_registers(ctx->cdm_handle);
+
 			rc = cam_cdm_reset_hw(ctx->cdm_handle);
 			if (rc) {
 				CAM_ERR_RATE_LIMIT(CAM_ISP,