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From: "Christian König" <christian.koenig@amd.com>
To: John Olender <john.olender@gmail.com>,
	Alex Deucher <alexdeucher@gmail.com>
Cc: amd-gfx@lists.freedesktop.org, arunpravin.paneerselvam@amd.com
Subject: Re: [RFC PATCH 2/2] drm/amdgpu/uvd: Ensure vcpu bos are within the uvd segment
Date: Thu, 5 Jun 2025 11:54:09 +0200	[thread overview]
Message-ID: <f41b8aff-03ed-4a6e-bb91-134c11357bdc@amd.com> (raw)
In-Reply-To: <450fa7e8-5d91-46e8-8b01-1195fe437a7a@gmail.com>

On 6/5/25 11:21, John Olender wrote:
> On 5/2/25 4:36 AM, Christian König wrote:
>>> I think we can just make this VRAM only.  Or something like:
>>> adev->uvd.address_64_bit ? AMDGPU_GEM_DOMAIN_GTT : AMDGPU_GEM_DOMAIN_VRAM
>> Yeah completely agree. It's a good catch, but the solution is incorrect.
>>
>> On the older UVD MC interface the FW needs to be in VRAM or the validation fails. If it's inside the window for the message and fence is actually irrelevant.
>>
>> So something like AMDGPU_GEM_DOMAIN_VRAM | (adev->uvd.address_64_bit ? AMDGPU_GEM_DOMAIN_GTT : 0) would be correct I think.
>>
>>> If that fixes it, this should be tagged with:
>>> Fixes: 58ab2c08d708 ("drm/amdgpu: use VRAM|GTT for a bunch of kernel
>>> allocations")
>> And CC stable I think.
>>
>> Regards,
>> Christian.
>>
>>> Alex
> 
> The simplified patch needs this change to the vcpu bo domain.  Would you
> prefer this change as a separate patch?

Separate one please.

Just send it as the first one in a series.

Regards,
Christian.

> 
> Thanks,
> John


      reply	other threads:[~2025-06-05  9:54 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-29 11:24 [RFC PATCH 0/2] drm/amdgpu: CIK UVD initialization fixes John Olender
2025-04-29 11:24 ` [RFC PATCH 1/2] drm/amdgpu: amdgpu_vram_mgr_new(): Clamp lpfn to total vram John Olender
2025-04-30 21:20   ` Alex Deucher
2025-04-30 21:44     ` Paneer Selvam, Arunpravin
2025-05-02 15:32       ` John Olender
2025-05-03 12:23         ` Paneer Selvam, Arunpravin
2025-05-11 20:33           ` Paneer Selvam, Arunpravin
2025-05-11 20:37             ` Paneer Selvam, Arunpravin
2025-05-12  7:09               ` Christian König
2025-05-12  7:11                 ` Paneer Selvam, Arunpravin
2025-05-15 15:49                   ` Paneer Selvam, Arunpravin
2025-05-23 11:31                     ` Paneer Selvam, Arunpravin
2025-05-02  8:28     ` Christian König
2025-04-29 11:24 ` [RFC PATCH 2/2] drm/amdgpu/uvd: Ensure vcpu bos are within the uvd segment John Olender
2025-04-30 21:39   ` Alex Deucher
2025-05-02  8:36     ` Christian König
2025-05-03 20:31       ` John Olender
2025-05-05  9:02         ` Christian König
2025-05-05 16:06           ` John Olender
2025-05-07 11:31             ` John Olender
2025-05-29 23:15               ` John Olender
2025-06-02 10:00                 ` Christian König
2025-06-02 13:03                   ` John Olender
2025-06-03 14:34                     ` John Olender
2025-06-03 16:26                       ` Christian König
2025-06-03 17:52                         ` John Olender
2025-06-05  9:21       ` John Olender
2025-06-05  9:54         ` Christian König [this message]

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