Comment # 3
on bug 101837
from Emil Velikov
DanielP an orthogonal solution is to simply not use drmOpen. While it works, sometimes, there's a lot of hidden gotchas. Simply replace the pciaccess + drmOpen with drmDevice2 - see libdrm/tests/drmdevice.c. Notes: * radeon-top does _not_ need to open the card node, hence no need for auth - directly or via xcb * using pciaccess, or drmDevice2 with DRM_DEVICE_GET_PCI_REVISION will wake up your discrete GPU, even if you're looking for the stats of you APU - you want to avoid that if possible. * do not forget to close the fd - currently it's leaked.
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