Regards,
Oak
-Original Message-
From: Koenig, Christian
Sent: Friday, August 9, 2019 8:29 AM
To: Zeng, Oak ; amd-gfx@lists.freedesktop.org
Cc: Kuehling, Felix ; Keely, Sean
Subject: Re: [PATCH 1/5] drm/amdgpu: Extends amdgpu vm definitions
Am 09.08.19 um 04:15 schrieb Zeng, Oak
Am 09.08.19 um 04:15 schrieb Zeng, Oak:
> Add definition of all supported mtypes. The RW mtype
> is recently introduced for arcturus. Also add definition
> of a flag to probe and possibly invalidate remote GPU
> cache, which will be used later in this series.
>
> Change-Id: I96fc9bb4b6b1e62bdc10b60
org<mailto:amd-gfx@lists.freedesktop.org>
<mailto:amd-gfx@lists.freedesktop.org>
Cc: Kuehling, Felix <mailto:felix.kuehl...@amd.com>;
Keely, Sean <mailto:sean.ke...@amd.com>
Subject: RE: [PATCH 1/5] drm/amdgpu: Extends amdgpu vm definitions
Hi Christian,
My understanding of the sno
ling, Felix ; Keely, Sean
Subject: Re: [PATCH 1/5] drm/amdgpu: Extends amdgpu vm definitions
The snoop bit is for snooping the CPU cache by the GPU when doing system memory
mappings.
Alex
From: amd-gfx
mailto:amd-gfx-boun...@lists.freedesktop.org>>
on be
, Sean
Subject: RE: [PATCH 1/5] drm/amdgpu: Extends amdgpu vm definitions
Hi Christian,
My understanding of the snoop bit (C bit in the PTE definition) is to probe
remote gpu's L2 cache after this gpu write remote gpu's vram. Is this correct?
I am still checking this point with HW engineer
sage-
From: Christian König
Sent: Wednesday, August 7, 2019 4:42 AM
To: Zeng, Oak ; amd-gfx@lists.freedesktop.org
Cc: Kuehling, Felix ; Koenig, Christian
; Keely, Sean
Subject: Re: [PATCH 1/5] drm/amdgpu: Extends amdgpu vm definitions
Am 07.08.19 um 04:31 schrieb Zeng, Oak:
> Add defini
Am 07.08.19 um 04:31 schrieb Zeng, Oak:
Add definition of all supported mtypes. The RW mtype
is recently introduced for arcturus. Also add definition
for the cachable/snoopable bit, which will be used later
in this series.
Change-Id: I96fc9bb4b6b1e62bdc10b600d8aaa6a802128d6d
Signed-off-by: Oak Z
