> >> AUTO_CTXSW_ENABLE is not relevant to worldswitch preemption. it only
> >> applies for ring buffer preemption. SDMA will do worldswitch whatever
> >> AUTO_CTXSW_ENABLE is 1 or 0.
> >>
> >> -Original Message-
> >> From: Liu, Monk
> &
; Min, Frank
Cc: amd-gfx@lists.freedesktop.org
Subject: RE: [PATCH 2/8] drm/amdgpu: fix sdma v4 startup under SRIOV
Hi Monk,
AUTO_CTXSW_ENABLE is not relevant to worldswitch preemption. it only applies
for ring buffer preemption. SDMA will do worldswitch whatever AUTO_CTXSW_ENABLE
is 1
gt;
> -Original Message-
> From: Ma, Sigil
> Sent: Wednesday, October 10, 2018 3:25 PM
> To: Liu, Monk ; Koenig, Christian
> ; Huang, Ray ; Min, Frank
>
> Cc: amd-gfx@lists.freedesktop.org
> Subject: RE: [PATCH 2/8] drm/amdgpu: fix sdma v4 startup under SRIOV
&g
@lists.freedesktop.org
Subject: RE: [PATCH 2/8] drm/amdgpu: fix sdma v4 startup under SRIOV
Hi Monk,
AUTO_CTXSW_ENABLE is not relevant to worldswitch preemption. it only applies
for ring buffer preemption. SDMA will do worldswitch whatever AUTO_CTXSW_ENABLE
is 1 or 0.
-Original Message-
From
, Ray
; Min, Frank ; Ma, Sigil
Cc: amd-gfx@lists.freedesktop.org
Subject: RE: [PATCH 2/8] drm/amdgpu: fix sdma v4 startup under SRIOV
Oh, that mean I remember it reversed way, according to code looks we need to
enable ctx_switch to support WORLD SWITCH for SDMA engine
But better let Sigil
g, Ray ; Min, Frank
; Ma, Sigil
Cc: amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/8] drm/amdgpu: fix sdma v4 startup under SRIOV
Hi Monk,
well that doesn't make much sense to me what you say here cause context
switching certainly is already enabled under SRIOV:
> - if
for world switch , thanks !
>
> /Monk
>
> -Original Message-
> From: Christian König
> Sent: Tuesday, October 9, 2018 6:57 PM
> To: Huang, Ray ; Liu, Monk ; Min, Frank
>
> Cc: amd-gfx@lists.freedesktop.org
> Subject: Re: [PATCH 2/8] drm/amdgpu: fix sdma v4 sta
18 6:57 PM
To: Huang, Ray ; Liu, Monk ; Min, Frank
Cc: amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH 2/8] drm/amdgpu: fix sdma v4 startup under SRIOV
Am 09.10.2018 um 11:17 schrieb Huang Rui:
> On Mon, Oct 08, 2018 at 03:35:15PM +0200, Christian König wrote:
>> [SNI
Am 09.10.2018 um 11:17 schrieb Huang Rui:
On Mon, Oct 08, 2018 at 03:35:15PM +0200, Christian König wrote:
[SNIP]
- if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
- r = sdma_v4_0_load_microcode(adev);
+ /* start the gfx rings and rlc compute queues */
+ for
On Mon, Oct 08, 2018 at 03:35:15PM +0200, Christian König wrote:
> Under SRIOV we were enabling the ring buffer before it was initialized.
>
> Signed-off-by: Christian König
> ---
> drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 234
> -
> 1 file changed, 116 insertion
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