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| author | Jiadong Zhu <Jiadong.Zhu@amd.com> | 2024-07-04 14:51:58 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-16 14:18:30 -0400 |
| commit | 4dc4422f11b041a9cb7a86f2f9bc310e48620fa2 (patch) | |
| tree | 1c4473778e65a4f32695206fc448b1e54035fcf2 /drivers | |
| parent | drm/amdgpu/gfx9: implement reset_hw_queue for gfx9 (diff) | |
| download | linux-4dc4422f11b041a9cb7a86f2f9bc310e48620fa2.tar.gz linux-4dc4422f11b041a9cb7a86f2f9bc310e48620fa2.zip | |
drm/amdgpu/gfx9.4.3: implement reset_hw_queue for gfx9.4.3
Using mmio to do queue reset. Enter safe mode
before writing mmio registers.
v2: set register instance offset according to xcc id.
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c index 9a740020243d..18cb6d45d54f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c @@ -200,6 +200,8 @@ static void gfx_v9_4_3_set_gds_init(struct amdgpu_device *adev); static void gfx_v9_4_3_set_rlc_funcs(struct amdgpu_device *adev); static int gfx_v9_4_3_get_cu_info(struct amdgpu_device *adev, struct amdgpu_cu_info *cu_info); +static void gfx_v9_4_3_xcc_set_safe_mode(struct amdgpu_device *adev, int xcc_id); +static void gfx_v9_4_3_xcc_unset_safe_mode(struct amdgpu_device *adev, int xcc_id); static void gfx_v9_4_3_kiq_set_resources(struct amdgpu_ring *kiq_ring, uint64_t queue_mask) @@ -311,12 +313,46 @@ static void gfx_v9_4_3_kiq_invalidate_tlbs(struct amdgpu_ring *kiq_ring, PACKET3_INVALIDATE_TLBS_FLUSH_TYPE(flush_type)); } +static void gfx_v9_4_3_kiq_reset_hw_queue(struct amdgpu_ring *kiq_ring, uint32_t queue_type, + uint32_t me_id, uint32_t pipe_id, uint32_t queue_id, + uint32_t xcc_id, uint32_t vmid) +{ + struct amdgpu_device *adev = kiq_ring->adev; + unsigned i; + + /* enter save mode */ + gfx_v9_4_3_xcc_set_safe_mode(adev, xcc_id); + mutex_lock(&adev->srbm_mutex); + soc15_grbm_select(adev, me_id, pipe_id, queue_id, 0, xcc_id); + + if (queue_type == AMDGPU_RING_TYPE_COMPUTE) { + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_HQD_DEQUEUE_REQUEST, 0x2); + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regSPI_COMPUTE_QUEUE_RESET, 0x1); + /* wait till dequeue take effects */ + for (i = 0; i < adev->usec_timeout; i++) { + if (!(RREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_HQD_ACTIVE) & 1)) + break; + udelay(1); + } + if (i >= adev->usec_timeout) + dev_err(adev->dev, "fail to wait on hqd deactive\n"); + } else { + dev_err(adev->dev, "reset queue_type(%d) not supported\n\n", queue_type); + } + + soc15_grbm_select(adev, 0, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); + /* exit safe mode */ + gfx_v9_4_3_xcc_unset_safe_mode(adev, xcc_id); +} + static const struct kiq_pm4_funcs gfx_v9_4_3_kiq_pm4_funcs = { .kiq_set_resources = gfx_v9_4_3_kiq_set_resources, .kiq_map_queues = gfx_v9_4_3_kiq_map_queues, .kiq_unmap_queues = gfx_v9_4_3_kiq_unmap_queues, .kiq_query_status = gfx_v9_4_3_kiq_query_status, .kiq_invalidate_tlbs = gfx_v9_4_3_kiq_invalidate_tlbs, + .kiq_reset_hw_queue = gfx_v9_4_3_kiq_reset_hw_queue, .set_resources_size = 8, .map_queues_size = 7, .unmap_queues_size = 6, |