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author | Dave Airlie <airlied@redhat.com> | 2017-03-31 11:47:18 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2017-03-31 11:47:18 +1000 |
commit | 8cd3ac52963f2e99f4c21d1c9ce89531ce66c2d6 (patch) | |
tree | 94f7d4526fe19a32643308d6e00d0fc5442af277 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | |
parent | 8bcad07a45637fb88e799466e4eee83859e8ffd3 (diff) | |
parent | 60508d3df2d2052881190ac82802a12cabcef53c (diff) | |
download | blackbird-obmc-linux-8cd3ac52963f2e99f4c21d1c9ce89531ce66c2d6.tar.gz blackbird-obmc-linux-8cd3ac52963f2e99f4c21d1c9ce89531ce66c2d6.zip |
Merge branch 'drm-next-4.12' of git://people.freedesktop.org/~agd5f/linux into drm-next
New stuff for 4.12:
- Preliminary vega10 support
- Support for multi-level page tables
- GPU sensor stuff for mesa
- job tracing improvements
- PRT support for sparse buffers
- Additional SR-IOV improvements
- ttm improvements
- misc bug fixes and code cleanups
* 'drm-next-4.12' of git://people.freedesktop.org/~agd5f/linux: (315 commits)
drm/amdgpu: Fix 32bit x86 compilation warning
drm/amdgpu: just disallow reading untouched registers
drm/amdgpu: remove duplicate allowed reg CP_CPF_BUSY_STAT
drm/amdgpu/soc15: enable psp block for SRIOV
drm/amdgpu/soc15: bypass pp block for vf
drm/amdgpu/psp: add check sOS sign
drm/amd/amdgpu: Correct ring wptr address in debugfs (v2)
drm/amdgpu: Fix multi-level page table bugs for large BOs v3
drm/amdgpu: Fix Vega10 VM initialization
drm/amdgpu: Make max_pfn 64-bit
drm/amdgpu: drop GB_GPU_ID from the golden settings
drm/amdgpu: fix vm pte pde flags to 64-bit for sdma (v3)
drm/amd/amdgpu: fix Tonga S3 resume hang on rhel6.8
drm/ttm: decrease ttm bo priority number
drm/amd/amdgpu: fix performance drop when VRAM pressure
drm/amdgpu: Couple small warning fixes
drm/amdgpu: Clean up GFX 9 VM fault messages
drm/amdgpu: Register UTCL2 as a source of VM faults
drm/amdgpu/soc15: drop support for reading some registers
drm/amdgpu/soc15: return cached values for some registers (v2)
...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 61 |
1 files changed, 44 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 7c842b7f1004..6a85db0c0bc3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -182,16 +182,32 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, return r; } - r = amdgpu_wb_get(adev, &ring->rptr_offs); - if (r) { - dev_err(adev->dev, "(%d) ring rptr_offs wb alloc failed\n", r); - return r; - } + if (ring->funcs->support_64bit_ptrs) { + r = amdgpu_wb_get_64bit(adev, &ring->rptr_offs); + if (r) { + dev_err(adev->dev, "(%d) ring rptr_offs wb alloc failed\n", r); + return r; + } + + r = amdgpu_wb_get_64bit(adev, &ring->wptr_offs); + if (r) { + dev_err(adev->dev, "(%d) ring wptr_offs wb alloc failed\n", r); + return r; + } + + } else { + r = amdgpu_wb_get(adev, &ring->rptr_offs); + if (r) { + dev_err(adev->dev, "(%d) ring rptr_offs wb alloc failed\n", r); + return r; + } + + r = amdgpu_wb_get(adev, &ring->wptr_offs); + if (r) { + dev_err(adev->dev, "(%d) ring wptr_offs wb alloc failed\n", r); + return r; + } - r = amdgpu_wb_get(adev, &ring->wptr_offs); - if (r) { - dev_err(adev->dev, "(%d) ring wptr_offs wb alloc failed\n", r); - return r; } r = amdgpu_wb_get(adev, &ring->fence_offs); @@ -219,6 +235,9 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, ring->ring_size = roundup_pow_of_two(max_dw * 4 * amdgpu_sched_hw_submission); + ring->buf_mask = (ring->ring_size / 4) - 1; + ring->ptr_mask = ring->funcs->support_64bit_ptrs ? + 0xffffffffffffffff : ring->buf_mask; /* Allocate ring buffer */ if (ring->ring_obj == NULL) { r = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, @@ -230,9 +249,9 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, dev_err(adev->dev, "(%d) ring create failed\n", r); return r; } - memset((void *)ring->ring, 0, ring->ring_size); + amdgpu_ring_clear_ring(ring); } - ring->ptr_mask = (ring->ring_size / 4) - 1; + ring->max_dw = max_dw; if (amdgpu_debugfs_ring_init(adev, ring)) { @@ -253,10 +272,18 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring) { ring->ready = false; - amdgpu_wb_free(ring->adev, ring->cond_exe_offs); - amdgpu_wb_free(ring->adev, ring->fence_offs); - amdgpu_wb_free(ring->adev, ring->rptr_offs); - amdgpu_wb_free(ring->adev, ring->wptr_offs); + if (ring->funcs->support_64bit_ptrs) { + amdgpu_wb_free_64bit(ring->adev, ring->cond_exe_offs); + amdgpu_wb_free_64bit(ring->adev, ring->fence_offs); + amdgpu_wb_free_64bit(ring->adev, ring->rptr_offs); + amdgpu_wb_free_64bit(ring->adev, ring->wptr_offs); + } else { + amdgpu_wb_free(ring->adev, ring->cond_exe_offs); + amdgpu_wb_free(ring->adev, ring->fence_offs); + amdgpu_wb_free(ring->adev, ring->rptr_offs); + amdgpu_wb_free(ring->adev, ring->wptr_offs); + } + amdgpu_bo_free_kernel(&ring->ring_obj, &ring->gpu_addr, @@ -293,8 +320,8 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf, if (*pos < 12) { early[0] = amdgpu_ring_get_rptr(ring); - early[1] = amdgpu_ring_get_wptr(ring); - early[2] = ring->wptr; + early[1] = amdgpu_ring_get_wptr(ring) & ring->buf_mask; + early[2] = ring->wptr & ring->buf_mask; for (i = *pos / 4; i < 3 && size; i++) { r = put_user(early[i], (uint32_t *)buf); if (r) |