diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_notifier.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_notifier.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c deleted file mode 100644 index 2cc59f8c658..00000000000 --- a/drivers/gpu/drm/nouveau/nouveau_notifier.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (C) 2007 Ben Skeggs. - * - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include "drmP.h" -#include "drm.h" -#include "nouveau_drv.h" -#include "nouveau_ramht.h" - -int -nouveau_notifier_init_channel(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct nouveau_bo *ntfy = NULL; - uint32_t flags; - int ret; - - if (nouveau_vram_notify) - flags = TTM_PL_FLAG_VRAM; - else - flags = TTM_PL_FLAG_TT; - - ret = nouveau_gem_new(dev, NULL, PAGE_SIZE, 0, flags, - 0, 0x0000, false, true, &ntfy); - if (ret) - return ret; - - ret = nouveau_bo_pin(ntfy, flags); - if (ret) - goto out_err; - - ret = nouveau_bo_map(ntfy); - if (ret) - goto out_err; - - ret = drm_mm_init(&chan->notifier_heap, 0, ntfy->bo.mem.size); - if (ret) - goto out_err; - - chan->notifier_bo = ntfy; -out_err: - if (ret) - drm_gem_object_unreference_unlocked(ntfy->gem); - - return ret; -} - -void -nouveau_notifier_takedown_channel(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - - if (!chan->notifier_bo) - return; - - nouveau_bo_unmap(chan->notifier_bo); - mutex_lock(&dev->struct_mutex); - nouveau_bo_unpin(chan->notifier_bo); - mutex_unlock(&dev->struct_mutex); - drm_gem_object_unreference_unlocked(chan->notifier_bo->gem); - drm_mm_takedown(&chan->notifier_heap); -} - -static void -nouveau_notifier_gpuobj_dtor(struct drm_device *dev, - struct nouveau_gpuobj *gpuobj) -{ - NV_DEBUG(dev, "\n"); - - if (gpuobj->priv) - drm_mm_put_block(gpuobj->priv); -} - -int -nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle, - int size, uint32_t *b_offset) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *nobj = NULL; - struct drm_mm_node *mem; - uint32_t offset; - int target, ret; - - mem = drm_mm_search_free(&chan->notifier_heap, size, 0, 0); - if (mem) - mem = drm_mm_get_block(mem, size, 0); - if (!mem) { - NV_ERROR(dev, "Channel %d notifier block full\n", chan->id); - return -ENOMEM; - } - - offset = chan->notifier_bo->bo.mem.start << PAGE_SHIFT; - if (chan->notifier_bo->bo.mem.mem_type == TTM_PL_VRAM) { - target = NV_DMA_TARGET_VIDMEM; - } else - if (chan->notifier_bo->bo.mem.mem_type == TTM_PL_TT) { - if (dev_priv->gart_info.type == NOUVEAU_GART_SGDMA && - dev_priv->card_type < NV_50) { - ret = nouveau_sgdma_get_page(dev, offset, &offset); - if (ret) - return ret; - target = NV_DMA_TARGET_PCI; - } else { - target = NV_DMA_TARGET_AGP; - if (dev_priv->card_type >= NV_50) - offset += dev_priv->vm_gart_base; - } - } else { - NV_ERROR(dev, "Bad DMA target, mem_type %d!\n", - chan->notifier_bo->bo.mem.mem_type); - return -EINVAL; - } - offset += mem->start; - - ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, offset, - mem->size, NV_DMA_ACCESS_RW, target, - &nobj); - if (ret) { - drm_mm_put_block(mem); - NV_ERROR(dev, "Error creating notifier ctxdma: %d\n", ret); - return ret; - } - nobj->dtor = nouveau_notifier_gpuobj_dtor; - nobj->priv = mem; - - ret = nouveau_ramht_insert(chan, handle, nobj); - nouveau_gpuobj_ref(NULL, &nobj); - if (ret) { - drm_mm_put_block(mem); - NV_ERROR(dev, "Error adding notifier to ramht: %d\n", ret); - return ret; - } - - *b_offset = mem->start; - return 0; -} - -int -nouveau_notifier_offset(struct nouveau_gpuobj *nobj, uint32_t *poffset) -{ - if (!nobj || nobj->dtor != nouveau_notifier_gpuobj_dtor) - return -EINVAL; - - if (poffset) { - struct drm_mm_node *mem = nobj->priv; - - if (*poffset >= mem->size) - return false; - - *poffset += mem->start; - } - - return 0; -} - -int -nouveau_ioctl_notifier_alloc(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_nouveau_notifierobj_alloc *na = data; - struct nouveau_channel *chan; - int ret; - - NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(na->channel, file_priv, chan); - - ret = nouveau_notifier_alloc(chan, na->handle, na->size, &na->offset); - if (ret) - return ret; - - return 0; -} |