From: John Olender <john.olender@gmail.com>
To: "Christian König" <christian.koenig@amd.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 05:21:47 -0400 [thread overview]
Message-ID: <450fa7e8-5d91-46e8-8b01-1195fe437a7a@gmail.com> (raw)
In-Reply-To: <b09012e2-f361-46b5-afbf-313334fad69a@amd.com>
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?
Thanks,
John
next prev parent reply other threads:[~2025-06-05 9:22 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 [this message]
2025-06-05 9:54 ` Christian König
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