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pps-producer: add ability to select device with DRI_PRIME

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When running with multiple Intel cards in a system, having the ability
to select the device recording performance data is useful.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25051>
This commit is contained in:
Lionel Landwerlin 2023-08-31 09:23:38 +03:00 committed by Marge Bot
parent 0228b294e8
commit 34813e13db
1 changed files with 15 additions and 0 deletions
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15
src/tool/pps/pps_device.cc
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@ -55,6 +55,21 @@ std::optional<DrmDevice> create_drm_device(int fd, int32_t gpu_num)
return std::nullopt;
}
const char *dri_prime = getenv("DRI_PRIME");
if (dri_prime != NULL) {
drmDevicePtr drm_device;
uint16_t vendor_id, device_id;
bool prime_is_vid_did =
sscanf(dri_prime, "%hx:%hx", &vendor_id, &device_id) == 2;
if (prime_is_vid_did && drmGetDevice2(fd, 0, &drm_device) == 0) {
if (drm_device->bustype == DRM_BUS_PCI &&
(drm_device->deviceinfo.pci->vendor_id != vendor_id ||
drm_device->deviceinfo.pci->device_id != device_id))
return std::nullopt;
}
}
auto ret = DrmDevice();
ret.fd = fd;
ret.gpu_num = gpu_num;