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drm/amdgpu/gfx10: rework reset sequence

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To match other GFX IPs.

Acked-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2024-07-01 18:14:14 -04:00
parent 097af47d3c
commit d1f2144321
1 changed files with 19 additions and 7 deletions
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26
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
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@ -6692,13 +6692,13 @@ static int gfx_v10_0_gfx_mqd_init(struct amdgpu_device *adev, void *m,
return 0;
}
static int gfx_v10_0_gfx_init_queue(struct amdgpu_ring *ring)
static int gfx_v10_0_kgq_init_queue(struct amdgpu_ring *ring, bool reset)
{
struct amdgpu_device *adev = ring->adev;
struct v10_gfx_mqd *mqd = ring->mqd_ptr;
int mqd_idx = ring - &adev->gfx.gfx_ring[0];
if (!amdgpu_in_reset(adev) && !adev->in_suspend) {
if (!reset && !amdgpu_in_reset(adev) && !adev->in_suspend) {
memset((void *)mqd, 0, sizeof(*mqd));
mutex_lock(&adev->srbm_mutex);
nv_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
@ -6750,7 +6750,7 @@ static int gfx_v10_0_cp_async_gfx_ring_resume(struct amdgpu_device *adev)
r = amdgpu_bo_kmap(ring->mqd_obj, (void **)&ring->mqd_ptr);
if (!r) {
r = gfx_v10_0_gfx_init_queue(ring);
r = gfx_v10_0_kgq_init_queue(ring, false);
amdgpu_bo_kunmap(ring->mqd_obj);
ring->mqd_ptr = NULL;
}
@ -9460,10 +9460,22 @@ static int gfx_v10_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid)
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_v10_0_kgq_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;
}
return amdgpu_ring_test_ring(ring);
}