forked from Lainports/opnsense-ports
60 lines
1.6 KiB
Text
60 lines
1.6 KiB
Text
/sys/bus/pci/devices doesn't exist as kms-drm exports sysfs via sysctl
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$ clinfo | fgrep clock
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Max clock frequency 0MHz
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--- shared/source/os_interface/linux/drm_neo.cpp.orig 2020-04-11 07:41:07 UTC
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+++ shared/source/os_interface/linux/drm_neo.cpp
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@@ -24,6 +24,13 @@
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#include <fstream>
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#include <linux/limits.h>
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+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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+#include <sys/param.h>
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+#include <sys/sysctl.h>
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+#include <sys/stat.h>
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+#include <cstdlib>
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+#endif
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+
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namespace NEO {
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namespace IoctlHelper {
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@@ -104,6 +111,30 @@ int Drm::getEnabledPooledEu(int &enabled) {
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int Drm::getMaxGpuFrequency(int &maxGpuFrequency) {
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maxGpuFrequency = 0;
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+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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+ struct stat sb;
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+ if (fstat(getFileDescriptor(), &sb)) {
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+ return 0;
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+ }
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+ char name[SPECNAMELEN + 1];
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+ if (!devname_r(sb.st_rdev, S_IFCHR, name, sizeof(name))) {
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+ return 0;
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+ }
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+ int id;
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+ if (!sscanf(name, "drm/%d", &id) && !sscanf(name, "dri/renderD%d", &id)) {
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+ return 0;
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+ }
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+
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+ char oid[MAXPATHLEN + 1];
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+ char max_freq[PAGE_SIZE];
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+ size_t len = sizeof(max_freq);
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+ snprintf(oid, sizeof(oid), "sys.class.drm.card%d.gt_max_freq_mhz", id - 128);
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+ if (sysctlbyname(oid, &max_freq, &len, NULL, 0)) {
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+ return 0;
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+ }
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+
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+ maxGpuFrequency = std::stoi(max_freq);
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+#else
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std::string clockSysFsPath = getSysFsPciPath();
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clockSysFsPath += "/gt_max_freq_mhz";
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@@ -115,6 +146,7 @@ int Drm::getMaxGpuFrequency(int &maxGpuFrequency) {
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ifs >> maxGpuFrequency;
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ifs.close();
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+#endif
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return 0;
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}
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