[PATCH 2/2] drm/amdgpu: increase mailbox timeout to 5000ms

[Yu, Xiangliang]

Reviewed-by: Xiangliang Yu <Xiangliang.Yu at amd.com>


Thanks!
Xiangliang Yu


> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Pixel Ding
> Sent: Monday, February 06, 2017 2:25 PM
> To: amd-gfx at lists.freedesktop.org
> Cc: Ding, Pixel <Pixel.Ding at amd.com>; Ding.Pixel at amd.com
> Subject: [PATCH 2/2] drm/amdgpu: increase mailbox timeout to 5000ms
> 
> When mutiple VFs try to enter exclusive mode at the same time, the looping
> mechansim doesn't help to ensure each can get it because it only loops active
> VFs, then the last one has to wait for a long interval.
> 
> Signed-off-by: Pixel Ding <Pixel.Ding at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
> b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
> index fd6216e..2db7411 100644
> --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
> +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
> @@ -23,7 +23,7 @@
>  #ifndef __MXGPU_VI_H__
>  #define __MXGPU_VI_H__
> 
> -#define VI_MAILBOX_TIMEDOUT	150
> +#define VI_MAILBOX_TIMEDOUT	5000
>  #define VI_MAILBOX_RESET_TIME	12
> 
>  /* VI mailbox messages request */
> --
> 2.7.4
> 
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