Re: [PATCH 3/3] drm/amdgpu/psp: Destroy psp ring when doing gpu reset

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Series is:

Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>


From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Xiangliang Yu <Xiangliang.Yu@xxxxxxx>
Sent: Wednesday, December 5, 2018 1:46:31 AM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Min, Frank; Yu, Xiangliang
Subject: [PATCH 3/3] drm/amdgpu/psp: Destroy psp ring when doing gpu reset
 
PSP ring need to be destroy before starting reinit for vf.
This patche move it from hypervisor driver into guest.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@xxxxxxx>
Signed-off-by: Frank Min <Frank.Min@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 3142f84..6759d89 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -548,8 +548,10 @@ static int psp_load_fw(struct amdgpu_device *adev)
         int ret;
         struct psp_context *psp = &adev->psp;
 
-       if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset != 0)
+       if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset) {
+               psp_ring_destroy(psp, PSP_RING_TYPE__KM);
                 goto skip_memalloc;
+       }
 
         psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
         if (!psp->cmd)
--
2.7.4

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