0/:00:02.0/rom
>
>
> Is that right?
>
>
> Thanks very much.
>
>
> ----
>
>
>
>
>
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> *主 题：*Re: Re: Re: 回复: Re: [PATCH] drm/amdgpu: fixup bad vram size on gmc
> v8
> *日 期：*2021-12-18 05:19
> *发件人：*Alex Deucher
> *收件人：*周宗敏
>
>
> If you
02.0/rom > vbios.dumpecho 0 > /sys/devices/pci:00/:00:02.0/romIs that right?Thanks very much.
主 题：Re: Re: Re: 回复: Re: [PATCH] drm/amdgpu: fixup bad vram size on gmc v8
日 期：2021-12-18 05:19
发件人：Alex Deucher
收件人：周宗敏
If yo
l be
> better for user if can root cause this issue.
>
>
> Best regards.
>
>
>
>
>
>
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>
>
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> *主 题：*Re: Re: 回复: Re: [PATCH] drm/amdgpu: fixup bad vram size on gmc v8
>
> *日 期：*2021-12-16 23:28
> *发件人：*Alex Deucher
> *收件人：*周宗敏
>
>
> Is the i
if can root cause this issue.Best regards.
主 题：Re: Re: 回复: Re: [PATCH] drm/amdgpu: fixup bad vram size on gmc v8
日 期：2021-12-16 23:28
发件人：Alex Deucher
收件人：周宗敏
Is the issue reproducible with the same board in bare metal
;
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ca223b029a261e82fb2f50c52eb85d510f4260e
>
> [image: image.png]
>
>
> Thanks very much.
>
>
>
>
>
>
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> *主 题：*Re: 回复: Re: [PATCH] drm/amdgpu: fixup bad vram size on gmc v8
&g
ge is below:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ca223b029a261e82fb2f50c52eb85d510f4260eThanks very much. 主 题：Re: 回复: Re: [PATCH] drm/amdgpu: fixup bad vram size on gmc v8
日 期：2021-12-16 16:15
发件人：Christian König
收件人：周宗
Hi Zongmin,
that strongly sounds like the ASIC is not correctly initialized when
trying to read the register.
What board and environment are you using this GPU with? Is that a normal
x86 system?
Regards,
Christian.
Am 16.12.21 um 04:11 schrieb 周宗敏:
1.
the problematic boards that I h
the problematic boards that I have tested is [AMD/ATI] Lexa PRO [Radeon RX 550/550X] ; and the vbios version : 113-RXF9310-C09-BTWhen an exception occurs I can see the following changes in the values of vram size get from RREG32(mmCONFIG_MEMSIZE) ,it seems to have garbage in the upper 16 bits and
