> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf
> Of Rex Zhu
> Sent: Monday, April 24, 2017 10:07 AM
> To: amd-gfx@lists.freedesktop.org
> Cc: Zhu, Rex
> Subject: [PATCH] drm/amdgpu: fix s3 ring test failed on Vi caused by KIQ
> enabled.
>
> commit 2f3ea04dc9258cc can't fix s3 issue completely.
>
> Change-Id: I31d0ba7d143b11543bbb83273c022d8e77f34e08
> Signed-off-by: Rex Zhu <rex....@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> index 563944a..2ff5f19 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> @@ -4972,7 +4972,6 @@ static int gfx_v8_0_kiq_init_queue(struct
> amdgpu_ring *ring)
> /* reset ring buffer */
> ring->wptr = 0;
> amdgpu_ring_clear_ring(ring);
> -
> mutex_lock(&adev->srbm_mutex);
> vi_srbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
> gfx_v8_0_kiq_init_register(ring);
> @@ -5014,12 +5013,12 @@ static int gfx_v8_0_kcq_init_queue(struct
> amdgpu_ring *ring)
> /* reset MQD to a clean status */
> if (adev->gfx.mec.mqd_backup[mqd_idx])
> memcpy(mqd, adev-
> >gfx.mec.mqd_backup[mqd_idx], sizeof(*mqd));
> -
> /* reset ring buffer */
> ring->wptr = 0;
> amdgpu_ring_clear_ring(ring);
> + } else {
> + amdgpu_ring_clear_ring(ring);
> }
> -
> return 0;
> }
>
> --
> 1.9.1
>
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