[PATCH 32/53] drm/amdgpu/mes: implement amdgpu_mes_reset_hw_queue_mmio

[Alex Deucher]

From: Jiadong Zhu <Jiadong.Zhu at amd.com>

The reset_queue api could be used from kfd or kgd.

v2: add use_mmio parameter for mes_reset_legacy_queue.

Signed-off-by: Jiadong Zhu <Jiadong.Zhu at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 950c26ee3fb8..0bc6ce26ce45 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -817,6 +817,24 @@ int amdgpu_mes_reset_hw_queue(struct amdgpu_device *adev, int queue_id)
 	return 0;
 }
 
+int amdgpu_mes_reset_hw_queue_mmio(struct amdgpu_device *adev, int queue_type,
+				   int me_id, int pipe_id, int queue_id, int vmid)
+{
+	struct mes_reset_queue_input queue_input;
+	int r;
+
+	queue_input.use_mmio = true;
+	queue_input.me_id = me_id;
+	queue_input.pipe_id = pipe_id;
+	queue_input.queue_id = queue_id;
+	queue_input.vmid = vmid;
+	r = adev->mes.funcs->reset_hw_queue(&adev->mes, &queue_input);
+	if (r)
+		DRM_ERROR("failed to reset hardware queue by mmio, queue id = %d\n",
+			  queue_id);
+	return r;
+}
+
 int amdgpu_mes_map_legacy_queue(struct amdgpu_device *adev,
 				struct amdgpu_ring *ring)
 {
@@ -874,11 +892,13 @@ int amdgpu_mes_reset_legacy_queue(struct amdgpu_device *adev,
 
 	queue_input.queue_type = ring->funcs->type;
 	queue_input.doorbell_offset = ring->doorbell_index;
+	queue_input.me_id = ring->me;
 	queue_input.pipe_id = ring->pipe;
 	queue_input.queue_id = ring->queue;
 	queue_input.mqd_addr = amdgpu_bo_gpu_offset(ring->mqd_obj);
 	queue_input.wptr_addr = ring->wptr_gpu_addr;
 	queue_input.vmid = vmid;
+	queue_input.use_mmio = use_mmio;
 
 	r = adev->mes.funcs->reset_legacy_queue(&adev->mes, &queue_input);
 	if (r)
-- 
2.45.2