disp: msm: sde: Add LTM sw fuse check support

Add checks for LTM sw fuse value to only install the LTM properties
when the LTM sw fuse is set to enable.

Change-Id: I6876bfcf12ddb912e7b7a80e07c33108fd4b85b9
Signed-off-by: Ping Li <pingli@codeaurora.org>

msm/sde/sde_kms.c

@@ -1691,6 +1691,11 @@ static void _sde_kms_hw_destroy(struct sde_kms *sde_kms,
 		msm_iounmap(pdev, sde_kms->sid);
 	sde_kms->sid = NULL;
 
+	if (sde_kms->sw_fuse)
+		msm_iounmap(pdev, sde_kms->sw_fuse);
+	sde_hw_sw_fuse_destroy(sde_kms->sw_fuse);
+	sde_kms->sw_fuse = NULL;
+
 	if (sde_kms->reg_dma)
 		msm_iounmap(pdev, sde_kms->reg_dma);
 	sde_kms->reg_dma = NULL;
@@ -3095,6 +3100,19 @@ static int _sde_kms_hw_init_ioremap(struct sde_kms *sde_kms,
 	if (rc)
 		SDE_ERROR("dbg base register sid failed: %d\n", rc);
 
+	sde_kms->sw_fuse = msm_ioremap(platformdev, "swfuse_phys",
+					"swfuse_phys");
+	if (IS_ERR(sde_kms->sw_fuse)) {
+		sde_kms->sw_fuse = NULL;
+		SDE_DEBUG("sw_fuse is not defined");
+	} else {
+		sde_kms->sw_fuse_len = msm_iomap_size(platformdev,
+							"swfuse_phys");
+		rc =  sde_dbg_reg_register_base("sw_fuse", sde_kms->sw_fuse,
+						sde_kms->sw_fuse_len);
+		if (rc)
+			SDE_ERROR("dbg base register sw_fuse failed: %d\n", rc);
+	}
 error:
 	return rc;
 }
@@ -3279,6 +3297,17 @@ static int _sde_kms_hw_init_blocks(struct sde_kms *sde_kms,
 		goto perf_err;
 	}
 
+	if (sde_kms->sw_fuse) {
+		sde_kms->hw_sw_fuse = sde_hw_sw_fuse_init(sde_kms->sw_fuse,
+				sde_kms->sw_fuse_len, sde_kms->catalog);
+		if (IS_ERR(sde_kms->hw_sw_fuse)) {
+			SDE_ERROR("failed to init sw_fuse %ld\n",
+					PTR_ERR(sde_kms->hw_sw_fuse));
+			sde_kms->hw_sw_fuse = NULL;
+		}
+	} else {
+		sde_kms->hw_sw_fuse = NULL;
+	}
 	/*
 	 * _sde_kms_drm_obj_init should create the DRM related objects
 	 * i.e. CRTCs, planes, encoders, connectors and so forth