diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index ca983a014ba0..7eff39562732 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -9416,6 +9416,95 @@ static void gfx_v10_ring_insert_nop(struct amdgpu_ring *ring, uint32_t num_nop) amdgpu_ring_write(ring, ring->funcs->nop); } +static int gfx_v10_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) +{ + struct amdgpu_device *adev = ring->adev; + struct amdgpu_kiq *kiq = &adev->gfx.kiq[0]; + struct amdgpu_ring *kiq_ring = &kiq->ring; + unsigned long flags; + u32 tmp; + u64 addr; + int r; + + if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues) + return -EINVAL; + + spin_lock_irqsave(&kiq->ring_lock, flags); + + if (amdgpu_ring_alloc(kiq_ring, 5 + 7 + 7 + kiq->pmf->map_queues_size)) { + spin_unlock_irqrestore(&kiq->ring_lock, flags); + return -ENOMEM; + } + + addr = amdgpu_bo_gpu_offset(ring->mqd_obj) + + offsetof(struct v10_gfx_mqd, cp_gfx_hqd_active); + tmp = REG_SET_FIELD(0, CP_VMID_RESET, RESET_REQUEST, 1 << vmid); + if (ring->pipe == 0) + tmp = REG_SET_FIELD(tmp, CP_VMID_RESET, PIPE0_QUEUES, 1 << ring->queue); + else + tmp = REG_SET_FIELD(tmp, CP_VMID_RESET, PIPE1_QUEUES, 1 << ring->queue); + + gfx_v10_0_ring_emit_wreg(kiq_ring, + SOC15_REG_OFFSET(GC, 0, mmCP_VMID_RESET), tmp); + gfx_v10_0_wait_reg_mem(kiq_ring, 0, 1, 0, + lower_32_bits(addr), upper_32_bits(addr), + 0, 1, 0x20); + gfx_v10_0_ring_emit_reg_wait(kiq_ring, + SOC15_REG_OFFSET(GC, 0, mmCP_VMID_RESET), 0, 0xffffffff); + kiq->pmf->kiq_map_queues(kiq_ring, ring); + amdgpu_ring_commit(kiq_ring); + + spin_unlock_irqrestore(&kiq->ring_lock, flags); + + r = amdgpu_ring_test_ring(kiq_ring); + if (r) + return r; + + /* reset the ring */ + ring->wptr = 0; + *ring->wptr_cpu_addr = 0; + amdgpu_ring_clear_ring(ring); + + return amdgpu_ring_test_ring(ring); +} + +static int gfx_v10_0_reset_kcq(struct amdgpu_ring *ring, + unsigned int vmid) +{ + struct amdgpu_device *adev = ring->adev; + struct amdgpu_kiq *kiq = &adev->gfx.kiq[0]; + struct amdgpu_ring *kiq_ring = &kiq->ring; + unsigned long flags; + int r; + + if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues) + return -EINVAL; + + spin_lock_irqsave(&kiq->ring_lock, flags); + + if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size)) { + spin_unlock_irqrestore(&kiq->ring_lock, flags); + return -ENOMEM; + } + + kiq->pmf->kiq_unmap_queues(kiq_ring, ring, RESET_QUEUES, + 0, 0); + amdgpu_ring_commit(kiq_ring); + + spin_unlock_irqrestore(&kiq->ring_lock, flags); + + r = amdgpu_ring_test_ring(kiq_ring); + if (r) + return r; + + /* reset the ring */ + ring->wptr = 0; + *ring->wptr_cpu_addr = 0; + amdgpu_ring_clear_ring(ring); + + return amdgpu_ring_test_ring(ring); +} + static void gfx_v10_ip_print(void *handle, struct drm_printer *p) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -9619,6 +9708,7 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_gfx = { .emit_reg_write_reg_wait = gfx_v10_0_ring_emit_reg_write_reg_wait, .soft_recovery = gfx_v10_0_ring_soft_recovery, .emit_mem_sync = gfx_v10_0_emit_mem_sync, + .reset = gfx_v10_0_reset_kgq, }; static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_compute = { @@ -9655,6 +9745,7 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_compute = { .emit_reg_write_reg_wait = gfx_v10_0_ring_emit_reg_write_reg_wait, .soft_recovery = gfx_v10_0_ring_soft_recovery, .emit_mem_sync = gfx_v10_0_emit_mem_sync, + .reset = gfx_v10_0_reset_kcq, }; static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_kiq = { |