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From: "Christian König" <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Emily Deng <Emily.Deng-5C7GfCeVMHo@public.gmane.org>,
	amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: Re: [PATCH] drm/amdgpu: Temparary disable the sdma use pollmem feature for sriov.
Date: Fri, 19 Jan 2018 11:22:06 +0100	[thread overview]
Message-ID: <ea823ba5-5bf5-8ef2-40eb-bf763e9300f8@gmail.com> (raw)
In-Reply-To: <1516356864-2622-1-git-send-email-Emily.Deng-5C7GfCeVMHo@public.gmane.org>

Am 19.01.2018 um 11:14 schrieb Emily Deng:
> It still has some serious issues(guest driver reload fail, etc),
> when use pollmem feature for sdma3.
>
> Signed-off-by: Emily Deng <Emily.Deng@amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> index 3e22ae4..0f8f614 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> @@ -1209,7 +1209,7 @@ static int sdma_v3_0_sw_init(void *handle)
>   	for (i = 0; i < adev->sdma.num_instances; i++) {
>   		ring = &adev->sdma.instance[i].ring;
>   		ring->ring_obj = NULL;
> -		if (!amdgpu_sriov_vf(adev)) {
> +		if (1) {

That needs a comment why we have it and I suggest writing this as:

/* Disabled for now because... */
if (true /* !amdgpu_sriov_vf(adev) */)

Regards,
Christian.

>   			ring->use_doorbell = true;
>   			ring->doorbell_index = (i == 0) ?
>   				AMDGPU_DOORBELL_sDMA_ENGINE0 : AMDGPU_DOORBELL_sDMA_ENGINE1;

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  parent reply	other threads:[~2018-01-19 10:22 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-19 10:14 [PATCH] drm/amdgpu: Temparary disable the sdma use pollmem feature for sriov Emily Deng
     [not found] ` <1516356864-2622-1-git-send-email-Emily.Deng-5C7GfCeVMHo@public.gmane.org>
2018-01-19 10:22   ` Christian König [this message]
     [not found]     ` <ea823ba5-5bf5-8ef2-40eb-bf763e9300f8-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2018-01-22  1:55       ` Deng, Emily
  -- strict thread matches above, loose matches on Subject: below --
2018-01-19 10:15 Emily Deng
2018-01-19 10:18 Emily Deng
2018-01-19 10:20 Emily Deng

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