Implement sdma queue reset callback by mes_reset_queue_mmio.

Signed-off-by: Jesse Zhang <jesse.zh...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c 
b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
index 8cc8eaff0680..627e0173b64d 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
@@ -830,6 +830,31 @@ static bool sdma_v7_0_check_soft_reset(struct 
amdgpu_ip_block *ip_block)
        return false;
 }
 
+static int sdma_v7_0_reset_queue(struct amdgpu_ring *ring, unsigned int vmid)
+{
+       struct amdgpu_device *adev = ring->adev;
+       int i, r;
+
+       if (amdgpu_sriov_vf(adev))
+               return -EINVAL;
+
+       for (i = 0; i < adev->sdma.num_instances; i++) {
+               if (ring == &adev->sdma.instance[i].ring)
+                       break;
+       }
+
+       if (i == adev->sdma.num_instances) {
+               DRM_ERROR("sdma instance not found\n");
+               return -EINVAL;
+       }
+
+       r = amdgpu_mes_reset_legacy_queue(adev, ring, vmid, true);
+       if (r)
+               return r;
+
+       return sdma_v7_0_gfx_resume_instance(adev, i, true);
+}
+
 /**
  * sdma_v7_0_start - setup and start the async dma engines
  *
@@ -1668,6 +1693,7 @@ static const struct amdgpu_ring_funcs 
sdma_v7_0_ring_funcs = {
        .emit_reg_write_reg_wait = sdma_v7_0_ring_emit_reg_write_reg_wait,
        .init_cond_exec = sdma_v7_0_ring_init_cond_exec,
        .preempt_ib = sdma_v7_0_ring_preempt_ib,
+       .reset = sdma_v7_0_reset_queue,
 };
 
 static void sdma_v7_0_set_ring_funcs(struct amdgpu_device *adev)
-- 
2.25.1

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