Singh Rana, Dhirendra
; amd-gfx@lists.freedesktop.org; Deng, Emily
Subject: Re: [PATCH 1/2] drm/amdgpu: Add per device sdma_doorbell_range field
Thanks Oak for the clarification for Vega10.
For Vega20, 8 user space sdma queues should set doorbell range to 16, maybe you
add gfx and page queue
irendra
> Sent: Tuesday, December 18, 2018 11:34 AM
> To: Zeng, Oak ; Yang, Philip ;
> amd-gfx@lists.freedesktop.org; Deng, Emily
> Subject: RE: [PATCH 1/2] drm/amdgpu: Add per device sdma_doorbell_range field
>
> Hi Oak,
>
> Windows will set 4 dwords for both sdma0 and
ubject: RE: [PATCH 1/2] drm/amdgpu: Add per device sdma_doorbell_range field
Thanks Philip.
For vega10, sdma doorbells are defined to be windows sriov compatible. Two
qwords doorbell are defined for each sdma engine. See amdgpu_doorbell.h line
192. So program nbio sdma doorbell routing range to
om: amd-gfx On Behalf Of Yang, Philip
Sent: Tuesday, December 18, 2018 9:57 AM
To: Zeng, Oak ; amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH 1/2] drm/amdgpu: Add per device sdma_doorbell_range field
On 2018-12-17 9:12 p.m., Zeng, Oak wrote:
> Different ASIC has different sdma doorbell range
p
Sent: Tuesday, December 18, 2018 9:57 AM
To: Zeng, Oak ; amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH 1/2] drm/amdgpu: Add per device sdma_doorbell_range field
On 2018-12-17 9:12 p.m., Zeng, Oak wrote:
> Different ASIC has different sdma doorbell range. Add a per device
> sdma_doo
On 2018-12-17 9:12 p.m., Zeng, Oak wrote:
> Different ASIC has different sdma doorbell range. Add
> a per device sdma_doorbell_range field and initialize
> it.
>
> Change-Id: Idd980db1a72cfb373e24ac23ba3e48bb329ed4ad
> Signed-off-by: Oak Zeng
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell
Different ASIC has different sdma doorbell range. Add
a per device sdma_doorbell_range field and initialize
it.
Change-Id: Idd980db1a72cfb373e24ac23ba3e48bb329ed4ad
Signed-off-by: Oak Zeng
---
drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h | 2 ++
drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c | 1 +
