[PATCH 1/2] drm/amdgpu: Increase direct IB pool size

Christian König christian.koenig at amd.com
Thu Sep 9 07:14:15 UTC 2021


Am 09.09.21 um 07:54 schrieb Pan, Xinhui:
> [AMD Official Use Only]
>
> Direct IB pool is used for vce/uvd/vcn IB extra msg too. Increase its
> size to 64 pages.

Do you really run into issues with that? 64 pages are 256kiB on x86 and 
the extra msg are maybe 2kiB.

Additional to that we should probably make this a constant independent 
of the CPU page size.

Christian.

>
> Signed-off-by: xinhui pan <xinhui.pan at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> index c076a6b9a5a2..cd2c7073fdd9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
> @@ -308,7 +308,7 @@ int amdgpu_ib_pool_init(struct amdgpu_device *adev)
>
>          for (i = 0; i < AMDGPU_IB_POOL_MAX; i++) {
>                  if (i == AMDGPU_IB_POOL_DIRECT)
> -                       size = PAGE_SIZE * 6;
> +                       size = PAGE_SIZE * 64;
>                  else
>                          size = AMDGPU_IB_POOL_SIZE;
>
> --
> 2.25.1
>



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