Index: head/lang/intel-compute-runtime/Makefile
===================================================================
--- head/lang/intel-compute-runtime/Makefile	(revision 532646)
+++ head/lang/intel-compute-runtime/Makefile	(revision 532647)
@@ -1,51 +1,52 @@
 # $FreeBSD$
 
 PORTNAME=	compute-runtime
 DISTVERSION=	20.15.16524
+PORTREVISION=	1
 CATEGORIES=	lang
 PKGNAMEPREFIX=	intel-
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	OpenCL implementation for Intel HD 5000 (Gen8) or newer
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	amd64 i386
 ONLY_FOR_ARCHS_REASON=	Only Intel GPUs on x86 are supported
 
 LIB_DEPENDS=	libigc.so:devel/intel-graphics-compiler \
 		libigdgmm.so:multimedia/gmmlib
 
 USES=		cmake compiler:c++14-lang localbase:ldflags pkgconfig
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 GH_ACCOUNT=	intel
 CMAKE_ON=	SKIP_UNIT_TESTS
 CMAKE_ARGS=	-DNEO_DRIVER_VERSION:STRING="${DISTVERSIONFULL}"
 PLIST_FILES=	etc/OpenCL/vendors/intel.icd \
 		bin/ocloc \
 		lib/intel-opencl/libigdrcl.so
 
 OPTIONS_DEFINE_amd64=	L0
 OPTIONS_DEFAULT_amd64=	L0
 
 L0_DESC=		oneAPI Level Zero support
 L0_BUILD_DEPENDS=	level-zero>0:devel/level-zero
 L0_CMAKE_BOOL=		BUILD_WITH_L0
 L0_PLIST_FILES=		lib/libze_intel_gpu.so.0.8 \
 			lib/libze_intel_gpu.so.0.8.0
 
 post-patch:
 	@${REINPLACE_CMD} -e '/-Werror/d' \
 		-e '/FORCE_RESPONSE_FILE/d' \
 		${WRKSRC}/CMakeLists.txt
 	@${REINPLACE_CMD} -e '/OCL_ICD_VENDORDIR/s,/etc,${PREFIX}&,' \
 		${WRKSRC}/package.cmake
 
 post-install:
 # install/strip has no effect on install(FILES), so strip manually
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/*
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/intel-opencl/*.so
 
 .include <bsd.port.mk>
Index: head/lang/intel-compute-runtime/files/patch-max_freq
===================================================================
--- head/lang/intel-compute-runtime/files/patch-max_freq	(revision 532646)
+++ head/lang/intel-compute-runtime/files/patch-max_freq	(revision 532647)
@@ -1,44 +1,60 @@
 /sys/bus/pci/devices doesn't exist as kms-drm exports sysfs via sysctl
 
   $ clinfo | fgrep clock
     Max clock frequency                             0MHz
 
 --- shared/source/os_interface/linux/drm_neo.cpp.orig	2020-04-11 07:41:07 UTC
 +++ shared/source/os_interface/linux/drm_neo.cpp
-@@ -24,6 +24,11 @@
+@@ -24,6 +24,13 @@
  #include <fstream>
  #include <linux/limits.h>
  
 +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
 +#include <sys/param.h>
 +#include <sys/sysctl.h>
++#include <sys/stat.h>
++#include <cstdlib>
 +#endif
 +
  namespace NEO {
  
  namespace IoctlHelper {
-@@ -104,6 +109,16 @@ int Drm::getEnabledPooledEu(int &enabled) {
+@@ -104,6 +111,30 @@ int Drm::getEnabledPooledEu(int &enabled) {
  
  int Drm::getMaxGpuFrequency(int &maxGpuFrequency) {
      maxGpuFrequency = 0;
 +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
++    struct stat sb;
++    if (fstat(getFileDescriptor(), &sb)) {
++        return 0;
++    }
++    char name[SPECNAMELEN + 1];
++    if (!devname_r(sb.st_rdev, S_IFCHR, name, sizeof(name))) {
++        return 0;
++    }
++    int id;
++    if (!sscanf(name, "drm/%d", &id) && !sscanf(name, "dri/renderD%d", &id)) {
++        return 0;
++    }
++
++    char oid[MAXPATHLEN + 1];
 +    char max_freq[PAGE_SIZE];
 +    size_t len = sizeof(max_freq);
-+
-+    if (sysctlbyname("sys.class.drm.card0.gt_max_freq_mhz", &max_freq, &len, NULL, 0)) {
++    snprintf(oid, sizeof(oid), "sys.class.drm.card%d.gt_max_freq_mhz", id - 128);
++    if (sysctlbyname(oid, &max_freq, &len, NULL, 0)) {
 +        return 0;
 +    }
 +
 +    maxGpuFrequency = std::stoi(max_freq);
 +#else
      std::string clockSysFsPath = getSysFsPciPath();
  
      clockSysFsPath += "/gt_max_freq_mhz";
-@@ -115,6 +130,7 @@ int Drm::getMaxGpuFrequency(int &maxGpuFrequency) {
+@@ -115,6 +146,7 @@ int Drm::getMaxGpuFrequency(int &maxGpuFrequency) {
  
      ifs >> maxGpuFrequency;
      ifs.close();
 +#endif
      return 0;
  }