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feature: support pci path contains card0

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Some OpenCL application need to render libva surface
with drm display and use the same libva surface as
OpenCL kernel output. Such applicatoins need to
use /dev/dri/card0 instead of /dev/dri/renderD128
for getting the display fd.

Related-To: NEO-11714

Signed-off-by: Elaine, Wang <elaine.wang@intel.com>
This commit is contained in:
Elaine, Wang
2024-07-22 10:31:51 +00:00
committed by Compute-Runtime-Automation
parent c01a5c45c7
commit 28fa434541
2 changed files with 40 additions and 0 deletions
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4
shared/source/os_interface/linux/pci_path.cpp
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@@ -48,6 +48,10 @@ std::optional<std::string> getPciPath(int deviceFd) {
auto pciPathPos = deviceLinkPath->find("/drm/render");
if (pciPathPos == std::string::npos) {
pciPathPos = deviceLinkPath->find("/drm/card");
}
if (pciPathPos == std::string::npos || pciPathPos < 12) {
return std::nullopt;
}