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drm: convert vd path before compare with explicit device path (#222)

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FreeBSD always returning symbolic links '/dev/dri/card*' pointed to '/dev/drm/*',
so output device will never be found if `AQ_DRM_DEVICES` is set as explicit devices
path is converted to canonical file path.
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Molyuu 2025-12-14 00:40:59 +08:00 • committed by GitHub
parent a43bedccec
commit c6354f54f9
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1 changed files with 8 additions and 1 deletions
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9
src/backend/drm/DRM.cpp
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@ -200,7 +200,14 @@ static std::vector<SP<CSessionDevice>> scanGPUs(SP<CBackend> backend) {
for (auto const& d : explicitDevices) {
bool found = false;
for (auto const& vd : devices) {
if (vd->path == d) {
std::error_code ec;
auto canonicalFilePath = std::filesystem::canonical(vd->path, ec);
if (ec) {
backend->log(AQ_LOG_ERROR, std::format("drm: Failed to canonicalize path {}", d));
canonicalFilePath = vd->path;
}
if (canonicalFilePath == d) {
vecDevices.emplace_back(vd);
found = true;
break;