https://bugzilla.kernel.org/show_bug.cgi?id=207693
Bug ID: 207693
Summary: amdgpu: RX 5500 XT boost frequency out of spec
Product: Drivers
Version: 2.5
Kernel Version: 5.6.12
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Hello.
A Navi GPU (model: MSI RX 5500 XT Mech OC 8G) installed in my machine defaults
to 1885 MHz in Linux as its maximum frequency. However, in Windows 10 the GPU's
maximum observed operating frequency is 1845 MHz and the manufacturer's website
states that the boost frequency of the GPU is 1845 MHz.
$ cat pp_od_clk_voltage
OD_VDDC_CURVE:
0: 500MHz @ 730mV
1: 1192MHz @ 774mV
2: 1885MHz @ 1112mV
Sometimes, the printed voltage is 1107mV.
https://www.msi.com/Graphics-card/Radeon-RX-5500-XT-MECH-8G-OC
Windows uses 1845MHz@1112mV. If Linux is running the GPU at 1885 MHz shouldn't
it also increase its voltage in order to decrease the probability of hardware
errors?
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