Implement sdma queue reset callback by mes_reset_queue_mmio.
Signed-off-by: Jesse Zhang <jesse.zhang@xxxxxxx>
---
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
