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authorDave Airlie <airlied@redhat.com>2017-03-31 11:47:18 +1000
committerDave Airlie <airlied@redhat.com>2017-03-31 11:47:18 +1000
commit8cd3ac52963f2e99f4c21d1c9ce89531ce66c2d6 (patch)
tree94f7d4526fe19a32643308d6e00d0fc5442af277 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
parent8bcad07a45637fb88e799466e4eee83859e8ffd3 (diff)
parent60508d3df2d2052881190ac82802a12cabcef53c (diff)
downloadblackbird-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.c61
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)
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