From: Lucas De Marchi <lucas.demarchi@intel.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org
Subject: Re: [Intel-gfx] 5.14-rc2 warnings with kvmgvt
Date: Thu, 22 Jul 2021 09:03:45 -0700 [thread overview]
Message-ID: <20210722160345.xi5krc5truc65t5y@ldmartin-desk2> (raw)
In-Reply-To: <YPkcQqnRGZABpmce@infradead.org>
On Thu, Jul 22, 2021 at 08:20:34AM +0100, Christoph Hellwig wrote:
>On Thu, Jul 22, 2021 at 01:55:23AM -0400, Lucas De Marchi wrote:
>> humn... PORT_F. KBL doesn't have PORT_F. We decided to keep the handling
>> of DISPLAY_VER == 10 and DISPLAY_VER == 9 together and trust the VBT,
>> but when the VBT is not present, DDI F will get added unconditio.
>>
>> maybe best thing to do is to split that
>
>With this and the previous patch the stack traces are gone.
maybe not the perfect fix though... can you share how you're starting
qemu so I can try to reproduce it? I'd like to see a log with
drm.debug=0xe param.
In theory 5a9d38b20a5a ("drm/i915/display: hide workaround for broken vbt in intel_bios.c")
should filter out the PORT_F in KBL.
thanks
Lucas De Marchi
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next prev parent reply other threads:[~2021-07-22 16:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 11:10 [Intel-gfx] 5.14-rc2 warnings with kvmgvt Christoph Hellwig
2021-07-21 11:24 ` Rodrigo Vivi
2021-07-21 15:43 ` Christoph Hellwig
2021-07-21 20:40 ` Christoph Hellwig
2021-07-21 21:18 ` Rodrigo Vivi
2021-07-22 4:24 ` Christoph Hellwig
2021-07-22 5:55 ` Lucas De Marchi
2021-07-22 7:20 ` Christoph Hellwig
2021-07-22 16:03 ` Lucas De Marchi [this message]
2021-07-22 16:08 ` Christoph Hellwig
2021-07-21 21:47 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for " Patchwork
2021-07-22 5:05 ` [Intel-gfx] " Zhenyu Wang
2021-07-22 5:52 ` Christoph Hellwig
2021-07-22 6:34 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for 5.14-rc2 warnings with kvmgvt (rev2) Patchwork
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