Re: [PATCH 1/1] drm/amdgpu: disable gpu-sched load balance for uvd

[Alex Deucher <alexdeucher@xxxxxxxxx>]

On Mon, Aug 31, 2020 at 10:55 AM Nirmoy <nirmodas@xxxxxxx> wrote:
>
> Hi Alex,
>
> On 8/31/20 4:17 PM, Alex Deucher wrote:
> > On Mon, Aug 31, 2020 at 6:41 AM Nirmoy Das <nirmoy.das@xxxxxxx> wrote:
> >> UVD dependent jobs should run on the same udv instance.
> >> This patch disables gpu scheduler's load balancer for
> >> a context which binds jobs from same the context to a udv
> >> instance.
> > typos: udv -> uvd
> > With that fixed:
> > Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> >
> > Does VCE need a similar fix?  What about UVD_ENC?
>
>
> I am not sure, can you please confirm this.

@Leo Liu can you confirm?

Alex

>
>
> Nirmoy
>
>
>
> >
> > Alex
> >
> >
> >> Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
> >> ---
> >>   drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 4 +++-
> >>   1 file changed, 3 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> >> index 59032c26fc82..7cd398d25498 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
> >> @@ -114,7 +114,9 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip,
> >>          scheds = adev->gpu_sched[hw_ip][hw_prio].sched;
> >>          num_scheds = adev->gpu_sched[hw_ip][hw_prio].num_scheds;
> >>
> >> -       if (hw_ip == AMDGPU_HW_IP_VCN_ENC || hw_ip == AMDGPU_HW_IP_VCN_DEC) {
> >> +       if (hw_ip == AMDGPU_HW_IP_VCN_ENC ||
> >> +           hw_ip == AMDGPU_HW_IP_VCN_DEC ||
> >> +           hw_ip == AMDGPU_HW_IP_UVD) {
> >>                  sched = drm_sched_pick_best(scheds, num_scheds);
> >>                  scheds = &sched;
> >>                  num_scheds = 1;
> >> --
> >> 2.28.0
> >>
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