On 13/02/17 05:00 AM, Nils Holland wrote:
On Sat, Feb 04, 2017 at 06:44:12PM +0000, StDenis, Tom wrote:
Hello all,
We're pleased to announce the initial public release of the AMDGPU
User Mode Register debugger (umr). This tool allows privileged
users to read and write GPU registers in order to diagnose, debug,
and aid in development of AMDGPU features. The tool supports a
variety of other commands for actions such as decoding ring
contents, analyzing wavefronts, viewing machine status, and more.
It supports SI through VI devices and requires a very recent kernel
(what will be 4.10).
Just a short question: Am I correct in noticing that the tool
currently only supports standalone GPUs and not the APUs, e.g. I have
a:
VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Kabini [Radeon HD 8210]
as part of an AMD E1-2100 APU and the tool tells me:
nils@teela ~ $ umr -c
ERROR: Device 0x9834 not found in UMR device table
ASIC not found (instance=0, did=ffffffff)
I also don't see any reference to kabini in the tool's code, so unless
I'm doing something wrong, this might be expected, right?
You're right that kabini hasn't been added (nor mullins or hawaii).
That's purely an oversight. The focus has been largely on VI devices
during development but I can easily circle back and add the missing CIK
devices today.
For ref, it does support APUs (Carrizo, Stoney, Kaveri) :-).
Tom
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