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author | Graham Sider <Graham.Sider@amd.com> | 2022-05-11 12:33:35 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2022-06-23 17:22:12 -0400 |
commit | e77a541f5dea0a2ff9d6a40dcda9b284e1e736fe (patch) | |
tree | 37ca0c6616d0edbece6954de773422cb8446468e /drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c | |
parent | drm/amdgpu: Fetch MES scheduler/KIQ versions (diff) | |
download | linux-dev-e77a541f5dea0a2ff9d6a40dcda9b284e1e736fe.tar.xz linux-dev-e77a541f5dea0a2ff9d6a40dcda9b284e1e736fe.zip |
drm/amdkfd: Enable GFX11 usermode queue oversubscription
Starting with GFX11, MES requires wptr BOs to be GTT allocated/mapped to
GART for usermode queues in order to support oversubscription. In the
case that work is submitted to an unmapped queue, MES must have a GART
wptr address to determine whether the queue should be mapped.
This change is accompanied with changes in MES and is applicable for
MES_API_VERSION >= 2.
v3:
- Use amdgpu_vm_bo_lookup_mapping for wptr_bo mapping lookup
- Move wptr_bo refcount increment to amdgpu_amdkfd_map_gtt_bo_to_gart
- Remove list_del_init from amdgpu_amdkfd_map_gtt_bo_to_gart
- Cleanup/fix create_queue wptr_bo error handling
v4:
- Add MES version shift/mask defines to amdgpu_mes.h
- Change version check from MES_VERSION to MES_API_VERSION
- Add check in kfd_ioctl_create_queue before wptr bo pin/GART map to
ensure bo is a single page.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c index 4e0387f591be..b8e14c2cc295 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c @@ -377,6 +377,8 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd, m->sdmax_rlcx_rb_base_hi = upper_32_bits(q->queue_address >> 8); m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); + m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); + m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); m->sdmax_rlcx_doorbell_offset = q->doorbell_off << SDMA0_QUEUE0_DOORBELL_OFFSET__OFFSET__SHIFT; |