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drm/amdgpu/gfx9: remap queue after reset successfully

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Kiq command unmap_queues only does the dequeueing action.
We have to map the queue back with clean mqd.

Acked-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Jiadong Zhu <Jiadong.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jiadong Zhu 2024-06-11 18:06:44 +08:00 committed by Alex Deucher
parent 5fb4d2a771
commit b5e1a3874f
1 changed files with 27 additions and 9 deletions
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36
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@ -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;
}
@ -7147,11 +7147,29 @@ 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);
}