From: Jiadong Zhu <Jiadong.Zhu@xxxxxxx>
Kiq command unmap_queues only does the dequeueing action.
We have to map the queue back with clean mqd.
Signed-off-by: Jiadong Zhu <Jiadong.Zhu@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 36 ++++++++++++++++++++-------
1 file changed, 27 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 78495df29b5c..3a819c6923c6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3742,7 +3742,7 @@ static int gfx_v9_0_kiq_init_queue(struct amdgpu_ring *ring)
return 0;
}
-static int gfx_v9_0_kcq_init_queue(struct amdgpu_ring *ring)
+static int gfx_v9_0_kcq_init_queue(struct amdgpu_ring *ring, bool restore)
{
struct amdgpu_device *adev = ring->adev;
struct v9_mqd *mqd = ring->mqd_ptr;
@@ -3754,8 +3754,8 @@ static int gfx_v9_0_kcq_init_queue(struct amdgpu_ring *ring)
*/
tmp_mqd = (struct v9_mqd *)adev->gfx.mec.mqd_backup[mqd_idx];
- if (!tmp_mqd->cp_hqd_pq_control ||
- (!amdgpu_in_reset(adev) && !adev->in_suspend)) {
+ if (!restore && (!tmp_mqd->cp_hqd_pq_control ||
+ (!amdgpu_in_reset(adev) && !adev->in_suspend))) {
memset((void *)mqd, 0, sizeof(struct v9_mqd_allocation));
((struct v9_mqd_allocation *)mqd)->dynamic_cu_mask = 0xFFFFFFFF;
((struct v9_mqd_allocation *)mqd)->dynamic_rb_mask = 0xFFFFFFFF;
@@ -3819,7 +3819,7 @@ static int gfx_v9_0_kcq_resume(struct amdgpu_device *adev)
goto done;
r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr);
if (!r) {
- r = gfx_v9_0_kcq_init_queue(ring);
+ r = gfx_v9_0_kcq_init_queue(ring, false);
amdgpu_bo_kunmap(ring->mqd_obj);
ring->mqd_ptr = NULL;
}
@@ -7129,11 +7129,29 @@ static int gfx_v9_0_reset_kcq(struct amdgpu_ring *ring,
if (r)
return r;
- /* reset the ring */
- ring->wptr = 0;
- *ring->wptr_cpu_addr = 0;
- amdgpu_ring_clear_ring(ring);
-
+ r = amdgpu_bo_reserve(ring->mqd_obj, false);
+ if (unlikely(r != 0)){
+ DRM_ERROR("fail to resv mqd_obj\n");
+ return r;
+ }
+ r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr);
+ if (!r) {
+ r = gfx_v9_0_kcq_init_queue(ring, true);
+ amdgpu_bo_kunmap(ring->mqd_obj);
+ ring->mqd_ptr = NULL;
+ }
+ amdgpu_bo_unreserve(ring->mqd_obj);
+ if (r){
+ DRM_ERROR("fail to unresv mqd_obj\n");
+ return r;
+ }
+ r = amdgpu_ring_alloc(kiq_ring, kiq->pmf->map_queues_size);
+ kiq->pmf->kiq_map_queues(kiq_ring, ring);
+ r = amdgpu_ring_test_ring(kiq_ring);
+ if (r){
+ DRM_ERROR("fail to remap queue\n");
+ return r;
+ }
return amdgpu_ring_test_ring(ring);
}
--
2.45.2
