[PATCH v2 1/2] drm/amdgpu: fix bug when amdkfd destroys hqd

Alex Deucher alexdeucher at gmail.com
Wed Jul 29 09:26:55 PDT 2015


On Wed, Jul 29, 2015 at 4:57 AM, Oded Gabbay <oded.gabbay at gmail.com> wrote:
> The wrong define was used to check if the hqd is still active
>
> v2: Don't use SHIFT as the MASK is already shifted
>
> Signed-off-by: Oded Gabbay <oded.gabbay at gmail.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
> index 2daad33..dd2037b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
> @@ -450,7 +450,7 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
>
>         while (true) {
>                 temp = RREG32(mmCP_HQD_ACTIVE);
> -               if (temp & CP_HQD_ACTIVE__ACTIVE__SHIFT)
> +               if (temp & CP_HQD_ACTIVE__ACTIVE_MASK)
>                         break;
>                 if (timeout == 0) {
>                         pr_err("kfd: cp queue preemption time out (%dms)\n",
> --
> 2.4.3
>


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