diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 85 |
1 files changed, 41 insertions, 44 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 972eed2ef787..870f9494252c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -46,7 +46,8 @@ * wptr. The GPU then starts fetching commands and executes * them until the pointers are equal again. */ -static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring); +static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, + struct amdgpu_ring *ring); /** * amdgpu_ring_alloc - allocate space on the ring buffer @@ -215,18 +216,17 @@ int amdgpu_ring_restore(struct amdgpu_ring *ring, * * @adev: amdgpu_device pointer * @ring: amdgpu_ring structure holding ring information - * @ring_size: size of the ring + * @max_ndw: maximum number of dw for ring alloc * @nop: nop packet for this ring * * Initialize the driver information for the selected ring (all asics). * Returns 0 on success, error on failure. */ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, - unsigned ring_size, u32 nop, u32 align_mask, + unsigned max_dw, u32 nop, u32 align_mask, struct amdgpu_irq_src *irq_src, unsigned irq_type, enum amdgpu_ring_type ring_type) { - u32 rb_bufsz; int r; if (ring->adev == NULL) { @@ -265,8 +265,17 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, dev_err(adev->dev, "(%d) ring next_rptr wb alloc failed\n", r); return r; } - ring->next_rptr_gpu_addr = adev->wb.gpu_addr + (ring->next_rptr_offs * 4); + ring->next_rptr_gpu_addr = adev->wb.gpu_addr + ring->next_rptr_offs * 4; ring->next_rptr_cpu_addr = &adev->wb.wb[ring->next_rptr_offs]; + + r = amdgpu_wb_get(adev, &ring->cond_exe_offs); + if (r) { + dev_err(adev->dev, "(%d) ring cond_exec_polling wb alloc failed\n", r); + return r; + } + ring->cond_exe_gpu_addr = adev->wb.gpu_addr + (ring->cond_exe_offs * 4); + ring->cond_exe_cpu_addr = &adev->wb.wb[ring->cond_exe_offs]; + spin_lock_init(&ring->fence_lock); r = amdgpu_fence_driver_start_ring(ring, irq_src, irq_type); if (r) { @@ -274,10 +283,8 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, return r; } - /* Align ring size */ - rb_bufsz = order_base_2(ring_size / 8); - ring_size = (1 << (rb_bufsz + 1)) * 4; - ring->ring_size = ring_size; + ring->ring_size = roundup_pow_of_two(max_dw * 4 * + amdgpu_sched_hw_submission); ring->align_mask = align_mask; ring->nop = nop; ring->type = ring_type; @@ -310,8 +317,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, } } ring->ptr_mask = (ring->ring_size / 4) - 1; - ring->max_dw = DIV_ROUND_UP(ring->ring_size / 4, - amdgpu_sched_hw_submission); + ring->max_dw = max_dw; if (amdgpu_debugfs_ring_init(adev, ring)) { DRM_ERROR("Failed to register debugfs file for rings !\n"); @@ -337,6 +343,7 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring) ring->ring = NULL; ring->ring_obj = NULL; + 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); @@ -363,9 +370,8 @@ static int amdgpu_debugfs_ring_info(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct amdgpu_device *adev = dev->dev_private; - int roffset = *(int*)node->info_ent->data; + int roffset = (unsigned long)node->info_ent->data; struct amdgpu_ring *ring = (void *)(((uint8_t*)adev) + roffset); - uint32_t rptr, wptr, rptr_next; unsigned i; @@ -408,46 +414,37 @@ static int amdgpu_debugfs_ring_info(struct seq_file *m, void *data) return 0; } -/* TODO: clean this up !*/ -static int amdgpu_gfx_index = offsetof(struct amdgpu_device, gfx.gfx_ring[0]); -static int cayman_cp1_index = offsetof(struct amdgpu_device, gfx.compute_ring[0]); -static int cayman_cp2_index = offsetof(struct amdgpu_device, gfx.compute_ring[1]); -static int amdgpu_dma1_index = offsetof(struct amdgpu_device, sdma.instance[0].ring); -static int amdgpu_dma2_index = offsetof(struct amdgpu_device, sdma.instance[1].ring); -static int r600_uvd_index = offsetof(struct amdgpu_device, uvd.ring); -static int si_vce1_index = offsetof(struct amdgpu_device, vce.ring[0]); -static int si_vce2_index = offsetof(struct amdgpu_device, vce.ring[1]); - -static struct drm_info_list amdgpu_debugfs_ring_info_list[] = { - {"amdgpu_ring_gfx", amdgpu_debugfs_ring_info, 0, &amdgpu_gfx_index}, - {"amdgpu_ring_cp1", amdgpu_debugfs_ring_info, 0, &cayman_cp1_index}, - {"amdgpu_ring_cp2", amdgpu_debugfs_ring_info, 0, &cayman_cp2_index}, - {"amdgpu_ring_dma1", amdgpu_debugfs_ring_info, 0, &amdgpu_dma1_index}, - {"amdgpu_ring_dma2", amdgpu_debugfs_ring_info, 0, &amdgpu_dma2_index}, - {"amdgpu_ring_uvd", amdgpu_debugfs_ring_info, 0, &r600_uvd_index}, - {"amdgpu_ring_vce1", amdgpu_debugfs_ring_info, 0, &si_vce1_index}, - {"amdgpu_ring_vce2", amdgpu_debugfs_ring_info, 0, &si_vce2_index}, -}; +static struct drm_info_list amdgpu_debugfs_ring_info_list[AMDGPU_MAX_RINGS]; +static char amdgpu_debugfs_ring_names[AMDGPU_MAX_RINGS][32]; #endif -static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring) +static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, + struct amdgpu_ring *ring) { #if defined(CONFIG_DEBUG_FS) + unsigned offset = (uint8_t*)ring - (uint8_t*)adev; unsigned i; + struct drm_info_list *info; + char *name; + for (i = 0; i < ARRAY_SIZE(amdgpu_debugfs_ring_info_list); ++i) { - struct drm_info_list *info = &amdgpu_debugfs_ring_info_list[i]; - int roffset = *(int*)amdgpu_debugfs_ring_info_list[i].data; - struct amdgpu_ring *other = (void *)(((uint8_t*)adev) + roffset); - unsigned r; + info = &amdgpu_debugfs_ring_info_list[i]; + if (!info->data) + break; + } - if (other != ring) - continue; + if (i == ARRAY_SIZE(amdgpu_debugfs_ring_info_list)) + return -ENOSPC; - r = amdgpu_debugfs_add_files(adev, info, 1); - if (r) - return r; - } + name = &amdgpu_debugfs_ring_names[i][0]; + sprintf(name, "amdgpu_ring_%s", ring->name); + info->name = name; + info->show = amdgpu_debugfs_ring_info; + info->driver_features = 0; + info->data = (void*)(uintptr_t)offset; + + return amdgpu_debugfs_add_files(adev, info, 1); #endif return 0; } |