diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 55784a9f26c4..be4629cdac04 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -52,7 +52,7 @@ int amdgpu_gmc_pdb0_alloc(struct amdgpu_device *adev) struct amdgpu_bo_param bp; u64 vram_size = adev->gmc.xgmi.node_segment_size * adev->gmc.xgmi.num_physical_nodes; uint32_t pde0_page_shift = adev->gmc.vmid0_page_table_block_size + 21; - uint32_t npdes = (vram_size + (1ULL << pde0_page_shift) -1) >> pde0_page_shift; + uint32_t npdes = (vram_size + (1ULL << pde0_page_shift) - 1) >> pde0_page_shift; memset(&bp, 0, sizeof(bp)); bp.size = PAGE_ALIGN((npdes + 1) * 8); @@ -746,6 +746,59 @@ error_unlock_reset: return r; } +void amdgpu_gmc_fw_reg_write_reg_wait(struct amdgpu_device *adev, + uint32_t reg0, uint32_t reg1, + uint32_t ref, uint32_t mask, + uint32_t xcc_inst) +{ + struct amdgpu_kiq *kiq = &adev->gfx.kiq[xcc_inst]; + struct amdgpu_ring *ring = &kiq->ring; + signed long r, cnt = 0; + unsigned long flags; + uint32_t seq; + + if (adev->mes.ring.sched.ready) { + amdgpu_mes_reg_write_reg_wait(adev, reg0, reg1, + ref, mask); + return; + } + + spin_lock_irqsave(&kiq->ring_lock, flags); + amdgpu_ring_alloc(ring, 32); + amdgpu_ring_emit_reg_write_reg_wait(ring, reg0, reg1, + ref, mask); + r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); + if (r) + goto failed_undo; + + amdgpu_ring_commit(ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); + + r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); + + /* don't wait anymore for IRQ context */ + if (r < 1 && in_interrupt()) + goto failed_kiq; + + might_sleep(); + while (r < 1 && cnt++ < MAX_KIQ_REG_TRY) { + + msleep(MAX_KIQ_REG_BAILOUT_INTERVAL); + r = amdgpu_fence_wait_polling(ring, seq, MAX_KIQ_REG_WAIT); + } + + if (cnt > MAX_KIQ_REG_TRY) + goto failed_kiq; + + return; + +failed_undo: + amdgpu_ring_undo(ring); + spin_unlock_irqrestore(&kiq->ring_lock, flags); +failed_kiq: + dev_err(adev->dev, "failed to write reg %x wait reg %x\n", reg0, reg1); +} + /** * amdgpu_gmc_tmz_set -- check and set if a device supports TMZ * @adev: amdgpu_device pointer @@ -790,6 +843,7 @@ void amdgpu_gmc_tmz_set(struct amdgpu_device *adev) case IP_VERSION(10, 3, 3): case IP_VERSION(11, 0, 4): case IP_VERSION(11, 5, 0): + case IP_VERSION(11, 5, 1): /* Don't enable it by default yet. */ if (amdgpu_tmz < 1) { |