From: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
To: Carl Vanderlip <quic_carlv@quicinc.com>, dri-devel@lists.freedesktop.org
Cc: quic_jhugo@quicinc.com
Subject: Re: [PATCH 08/10] accel/ivpu: Disable buffer sharing among VPU contexts
Date: Wed, 10 Jan 2024 11:54:26 +0100 [thread overview]
Message-ID: <a4a9fa2c-72ca-452a-9361-f88a364caca1@linux.intel.com> (raw)
In-Reply-To: <343d487b-cb44-ddb7-f775-d5fd0ab1286d@quicinc.com>
On 05.01.2024 23:34, Carl Vanderlip wrote:
>
> On 1/5/2024 3:22 AM, Jacek Lawrynowicz wrote:
>> Imported buffer from another VPU context will now have just reference
>> increased and there will be a single sgt fixing above problem but
>> buffers still can't be shared among VPU contexts because each context
>> have its own MMU mapping and ivpu_bo supports only single MMU mapping.
>
> This paragraph/sentence needs rewrite. Here's my take...
>
> "
> Buffers imported from another VPU context will now just increase reference count, leaving only a single sgt, fixing the problem above.
> Buffers still can't be shared among VPU contexts because each has its own MMU mapping and ivpu_bo only supports single MMU mappings.
Perfect, thanks!
next prev parent reply other threads:[~2024-01-10 10:54 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-05 11:22 [PATCH 00/10] accel/ivpu fixes for 6.8 Jacek Lawrynowicz
2024-01-05 11:22 ` [PATCH 01/10] accel/ivpu: Dump MMU events in case of VPU boot timeout Jacek Lawrynowicz
2024-01-05 15:11 ` Jeffrey Hugo
2024-01-05 11:22 ` [PATCH 02/10] accel/ivpu: Call diagnose failure in ivpu_mmu_cmdq_sync() Jacek Lawrynowicz
2024-01-05 15:12 ` Jeffrey Hugo
2024-01-05 11:22 ` [PATCH 03/10] accel/ivpu: Add debug prints for MMU map/unmap operations Jacek Lawrynowicz
2024-01-05 15:32 ` Jeffrey Hugo
2024-01-09 12:50 ` Jacek Lawrynowicz
2024-01-05 11:22 ` [PATCH 04/10] accel/ivpu: Add diagnostic messages when VPU fails to boot or suspend Jacek Lawrynowicz
2024-01-05 15:41 ` Jeffrey Hugo
2024-01-05 11:22 ` [PATCH 05/10] accel/ivpu: Fix potential infinite loops in IRQ handlers Jacek Lawrynowicz
2024-01-05 16:35 ` Jeffrey Hugo
2024-01-09 12:34 ` Jacek Lawrynowicz
2024-01-05 11:22 ` [PATCH 06/10] accel/ivpu: Fix for missing lock around drm_gem_shmem_vmap() Jacek Lawrynowicz
2024-01-05 16:36 ` Jeffrey Hugo
2024-01-09 12:51 ` Jacek Lawrynowicz
2024-01-05 11:22 ` [PATCH 07/10] accel/ivpu: Free buffer sgt on unbind Jacek Lawrynowicz
2024-01-05 16:37 ` Jeffrey Hugo
2024-01-05 11:22 ` [PATCH 08/10] accel/ivpu: Disable buffer sharing among VPU contexts Jacek Lawrynowicz
2024-01-05 16:46 ` Jeffrey Hugo
2024-01-10 10:53 ` Jacek Lawrynowicz
2024-01-05 22:34 ` Carl Vanderlip
2024-01-10 10:54 ` Jacek Lawrynowicz [this message]
2024-01-05 11:22 ` [PATCH 09/10] accel/ivpu: Improve buffer object debug logs Jacek Lawrynowicz
2024-01-05 17:03 ` Jeffrey Hugo
2024-01-10 11:08 ` Jacek Lawrynowicz
2024-01-05 11:22 ` [PATCH 10/10] accel/ivpu: Remove deprecated DRM_IVPU_PARAM_CONTEXT_PRIORITY Jacek Lawrynowicz
2024-01-05 17:29 ` Jeffrey Hugo
2024-01-10 14:33 ` Jacek Lawrynowicz
2024-01-11 21:03 ` Jeffrey Hugo
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