diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_gpuobj.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_gpuobj.c | 808 |
1 files changed, 0 insertions, 808 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_gpuobj.c b/drivers/gpu/drm/nouveau/nouveau_gpuobj.c deleted file mode 100644 index bd79fedb7054..000000000000 --- a/drivers/gpu/drm/nouveau/nouveau_gpuobj.c +++ /dev/null @@ -1,808 +0,0 @@ -/* - * Copyright (C) 2006 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. - * - */ - -/* - * Authors: - * Ben Skeggs <darktama@iinet.net.au> - */ - -#include "drmP.h" -#include "drm.h" -#include "nouveau_drv.h" -#include "nouveau_drm.h" -#include "nouveau_fifo.h" -#include "nouveau_ramht.h" -#include "nouveau_software.h" -#include "nouveau_vm.h" - -struct nouveau_gpuobj_method { - struct list_head head; - u32 mthd; - int (*exec)(struct nouveau_channel *, u32 class, u32 mthd, u32 data); -}; - -struct nouveau_gpuobj_class { - struct list_head head; - struct list_head methods; - u32 id; - u32 engine; -}; - -int -nouveau_gpuobj_class_new(struct drm_device *dev, u32 class, u32 engine) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj_class *oc; - - oc = kzalloc(sizeof(*oc), GFP_KERNEL); - if (!oc) - return -ENOMEM; - - INIT_LIST_HEAD(&oc->methods); - oc->id = class; - oc->engine = engine; - list_add(&oc->head, &dev_priv->classes); - return 0; -} - -int -nouveau_gpuobj_mthd_new(struct drm_device *dev, u32 class, u32 mthd, - int (*exec)(struct nouveau_channel *, u32, u32, u32)) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj_method *om; - struct nouveau_gpuobj_class *oc; - - list_for_each_entry(oc, &dev_priv->classes, head) { - if (oc->id == class) - goto found; - } - - return -EINVAL; - -found: - om = kzalloc(sizeof(*om), GFP_KERNEL); - if (!om) - return -ENOMEM; - - om->mthd = mthd; - om->exec = exec; - list_add(&om->head, &oc->methods); - return 0; -} - -int -nouveau_gpuobj_mthd_call(struct nouveau_channel *chan, - u32 class, u32 mthd, u32 data) -{ - struct drm_nouveau_private *dev_priv = chan->dev->dev_private; - struct nouveau_gpuobj_method *om; - struct nouveau_gpuobj_class *oc; - - list_for_each_entry(oc, &dev_priv->classes, head) { - if (oc->id != class) - continue; - - list_for_each_entry(om, &oc->methods, head) { - if (om->mthd == mthd) - return om->exec(chan, class, mthd, data); - } - } - - return -ENOENT; -} - -int -nouveau_gpuobj_mthd_call2(struct drm_device *dev, int chid, - u32 class, u32 mthd, u32 data) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO); - struct nouveau_channel *chan = NULL; - unsigned long flags; - int ret = -EINVAL; - - spin_lock_irqsave(&dev_priv->channels.lock, flags); - if (chid >= 0 && chid < pfifo->channels) - chan = dev_priv->channels.ptr[chid]; - if (chan) - ret = nouveau_gpuobj_mthd_call(chan, class, mthd, data); - spin_unlock_irqrestore(&dev_priv->channels.lock, flags); - return ret; -} - -int -nouveau_gpuobj_new(struct drm_device *dev, struct nouveau_channel *chan, - uint32_t size, int align, uint32_t flags, - struct nouveau_gpuobj **gpuobj_ret) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem; - struct nouveau_gpuobj *gpuobj; - struct drm_mm_node *ramin = NULL; - int ret, i; - - NV_DEBUG(dev, "ch%d size=%u align=%d flags=0x%08x\n", - chan ? chan->id : -1, size, align, flags); - - gpuobj = kzalloc(sizeof(*gpuobj), GFP_KERNEL); - if (!gpuobj) - return -ENOMEM; - NV_DEBUG(dev, "gpuobj %p\n", gpuobj); - gpuobj->dev = dev; - gpuobj->flags = flags; - kref_init(&gpuobj->refcount); - gpuobj->size = size; - - spin_lock(&dev_priv->ramin_lock); - list_add_tail(&gpuobj->list, &dev_priv->gpuobj_list); - spin_unlock(&dev_priv->ramin_lock); - - if (!(flags & NVOBJ_FLAG_VM) && chan) { - ramin = drm_mm_search_free(&chan->ramin_heap, size, align, 0); - if (ramin) - ramin = drm_mm_get_block(ramin, size, align); - if (!ramin) { - nouveau_gpuobj_ref(NULL, &gpuobj); - return -ENOMEM; - } - - gpuobj->pinst = chan->ramin->pinst; - if (gpuobj->pinst != ~0) - gpuobj->pinst += ramin->start; - - gpuobj->cinst = ramin->start; - gpuobj->vinst = ramin->start + chan->ramin->vinst; - gpuobj->node = ramin; - } else { - ret = instmem->get(gpuobj, chan, size, align); - if (ret) { - nouveau_gpuobj_ref(NULL, &gpuobj); - return ret; - } - - ret = -ENOSYS; - if (!(flags & NVOBJ_FLAG_DONT_MAP)) - ret = instmem->map(gpuobj); - if (ret) - gpuobj->pinst = ~0; - - gpuobj->cinst = NVOBJ_CINST_GLOBAL; - } - - if (gpuobj->flags & NVOBJ_FLAG_ZERO_ALLOC) { - for (i = 0; i < gpuobj->size; i += 4) - nv_wo32(gpuobj, i, 0); - instmem->flush(dev); - } - - - *gpuobj_ret = gpuobj; - return 0; -} - -int -nouveau_gpuobj_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - NV_DEBUG(dev, "\n"); - - INIT_LIST_HEAD(&dev_priv->gpuobj_list); - INIT_LIST_HEAD(&dev_priv->classes); - spin_lock_init(&dev_priv->ramin_lock); - dev_priv->ramin_base = ~0; - - return 0; -} - -void -nouveau_gpuobj_takedown(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj_method *om, *tm; - struct nouveau_gpuobj_class *oc, *tc; - - NV_DEBUG(dev, "\n"); - - list_for_each_entry_safe(oc, tc, &dev_priv->classes, head) { - list_for_each_entry_safe(om, tm, &oc->methods, head) { - list_del(&om->head); - kfree(om); - } - list_del(&oc->head); - kfree(oc); - } - - WARN_ON(!list_empty(&dev_priv->gpuobj_list)); -} - - -static void -nouveau_gpuobj_del(struct kref *ref) -{ - struct nouveau_gpuobj *gpuobj = - container_of(ref, struct nouveau_gpuobj, refcount); - struct drm_device *dev = gpuobj->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_instmem_engine *instmem = &dev_priv->engine.instmem; - int i; - - NV_DEBUG(dev, "gpuobj %p\n", gpuobj); - - if (gpuobj->node && (gpuobj->flags & NVOBJ_FLAG_ZERO_FREE)) { - for (i = 0; i < gpuobj->size; i += 4) - nv_wo32(gpuobj, i, 0); - instmem->flush(dev); - } - - if (gpuobj->dtor) - gpuobj->dtor(dev, gpuobj); - - if (gpuobj->cinst == NVOBJ_CINST_GLOBAL) { - if (gpuobj->node) { - instmem->unmap(gpuobj); - instmem->put(gpuobj); - } - } else { - if (gpuobj->node) { - spin_lock(&dev_priv->ramin_lock); - drm_mm_put_block(gpuobj->node); - spin_unlock(&dev_priv->ramin_lock); - } - } - - spin_lock(&dev_priv->ramin_lock); - list_del(&gpuobj->list); - spin_unlock(&dev_priv->ramin_lock); - - kfree(gpuobj); -} - -void -nouveau_gpuobj_ref(struct nouveau_gpuobj *ref, struct nouveau_gpuobj **ptr) -{ - if (ref) - kref_get(&ref->refcount); - - if (*ptr) - kref_put(&(*ptr)->refcount, nouveau_gpuobj_del); - - *ptr = ref; -} - -int -nouveau_gpuobj_new_fake(struct drm_device *dev, u32 pinst, u64 vinst, - u32 size, u32 flags, struct nouveau_gpuobj **pgpuobj) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *gpuobj = NULL; - int i; - - NV_DEBUG(dev, - "pinst=0x%08x vinst=0x%010llx size=0x%08x flags=0x%08x\n", - pinst, vinst, size, flags); - - gpuobj = kzalloc(sizeof(*gpuobj), GFP_KERNEL); - if (!gpuobj) - return -ENOMEM; - NV_DEBUG(dev, "gpuobj %p\n", gpuobj); - gpuobj->dev = dev; - gpuobj->flags = flags; - kref_init(&gpuobj->refcount); - gpuobj->size = size; - gpuobj->pinst = pinst; - gpuobj->cinst = NVOBJ_CINST_GLOBAL; - gpuobj->vinst = vinst; - - if (gpuobj->flags & NVOBJ_FLAG_ZERO_ALLOC) { - for (i = 0; i < gpuobj->size; i += 4) - nv_wo32(gpuobj, i, 0); - dev_priv->engine.instmem.flush(dev); - } - - spin_lock(&dev_priv->ramin_lock); - list_add_tail(&gpuobj->list, &dev_priv->gpuobj_list); - spin_unlock(&dev_priv->ramin_lock); - *pgpuobj = gpuobj; - return 0; -} - -void -nv50_gpuobj_dma_init(struct nouveau_gpuobj *obj, u32 offset, int class, - u64 base, u64 size, int target, int access, - u32 type, u32 comp) -{ - struct drm_nouveau_private *dev_priv = obj->dev->dev_private; - struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem; - u32 flags0; - - flags0 = (comp << 29) | (type << 22) | class; - flags0 |= 0x00100000; - - switch (access) { - case NV_MEM_ACCESS_RO: flags0 |= 0x00040000; break; - case NV_MEM_ACCESS_RW: - case NV_MEM_ACCESS_WO: flags0 |= 0x00080000; break; - default: - break; - } - - switch (target) { - case NV_MEM_TARGET_VRAM: - flags0 |= 0x00010000; - break; - case NV_MEM_TARGET_PCI: - flags0 |= 0x00020000; - break; - case NV_MEM_TARGET_PCI_NOSNOOP: - flags0 |= 0x00030000; - break; - case NV_MEM_TARGET_GART: - base += dev_priv->gart_info.aper_base; - default: - flags0 &= ~0x00100000; - break; - } - - /* convert to base + limit */ - size = (base + size) - 1; - - nv_wo32(obj, offset + 0x00, flags0); - nv_wo32(obj, offset + 0x04, lower_32_bits(size)); - nv_wo32(obj, offset + 0x08, lower_32_bits(base)); - nv_wo32(obj, offset + 0x0c, upper_32_bits(size) << 24 | - upper_32_bits(base)); - nv_wo32(obj, offset + 0x10, 0x00000000); - nv_wo32(obj, offset + 0x14, 0x00000000); - - pinstmem->flush(obj->dev); -} - -int -nv50_gpuobj_dma_new(struct nouveau_channel *chan, int class, u64 base, u64 size, - int target, int access, u32 type, u32 comp, - struct nouveau_gpuobj **pobj) -{ - struct drm_device *dev = chan->dev; - int ret; - - ret = nouveau_gpuobj_new(dev, chan, 24, 16, NVOBJ_FLAG_ZERO_FREE, pobj); - if (ret) - return ret; - - nv50_gpuobj_dma_init(*pobj, 0, class, base, size, target, - access, type, comp); - return 0; -} - -int -nouveau_gpuobj_dma_new(struct nouveau_channel *chan, int class, u64 base, - u64 size, int access, int target, - struct nouveau_gpuobj **pobj) -{ - struct drm_nouveau_private *dev_priv = chan->dev->dev_private; - struct drm_device *dev = chan->dev; - struct nouveau_gpuobj *obj; - u32 flags0, flags2; - int ret; - - if (dev_priv->card_type >= NV_50) { - u32 comp = (target == NV_MEM_TARGET_VM) ? NV_MEM_COMP_VM : 0; - u32 type = (target == NV_MEM_TARGET_VM) ? NV_MEM_TYPE_VM : 0; - - return nv50_gpuobj_dma_new(chan, class, base, size, - target, access, type, comp, pobj); - } - - if (target == NV_MEM_TARGET_GART) { - struct nouveau_gpuobj *gart = dev_priv->gart_info.sg_ctxdma; - - if (dev_priv->gart_info.type == NOUVEAU_GART_PDMA) { - if (base == 0) { - nouveau_gpuobj_ref(gart, pobj); - return 0; - } - - base = nouveau_sgdma_get_physical(dev, base); - target = NV_MEM_TARGET_PCI; - } else { - base += dev_priv->gart_info.aper_base; - if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) - target = NV_MEM_TARGET_PCI_NOSNOOP; - else - target = NV_MEM_TARGET_PCI; - } - } - - flags0 = class; - flags0 |= 0x00003000; /* PT present, PT linear */ - flags2 = 0; - - switch (target) { - case NV_MEM_TARGET_PCI: - flags0 |= 0x00020000; - break; - case NV_MEM_TARGET_PCI_NOSNOOP: - flags0 |= 0x00030000; - break; - default: - break; - } - - switch (access) { - case NV_MEM_ACCESS_RO: - flags0 |= 0x00004000; - break; - case NV_MEM_ACCESS_WO: - flags0 |= 0x00008000; - default: - flags2 |= 0x00000002; - break; - } - - flags0 |= (base & 0x00000fff) << 20; - flags2 |= (base & 0xfffff000); - - ret = nouveau_gpuobj_new(dev, chan, 16, 16, NVOBJ_FLAG_ZERO_FREE, &obj); - if (ret) - return ret; - - nv_wo32(obj, 0x00, flags0); - nv_wo32(obj, 0x04, size - 1); - nv_wo32(obj, 0x08, flags2); - nv_wo32(obj, 0x0c, flags2); - - obj->engine = NVOBJ_ENGINE_SW; - obj->class = class; - *pobj = obj; - return 0; -} - -int -nouveau_gpuobj_gr_new(struct nouveau_channel *chan, u32 handle, int class) -{ - struct drm_nouveau_private *dev_priv = chan->dev->dev_private; - struct drm_device *dev = chan->dev; - struct nouveau_gpuobj_class *oc; - int ret; - - NV_DEBUG(dev, "ch%d class=0x%04x\n", chan->id, class); - - list_for_each_entry(oc, &dev_priv->classes, head) { - struct nouveau_exec_engine *eng = dev_priv->eng[oc->engine]; - - if (oc->id != class) - continue; - - if (!chan->engctx[oc->engine]) { - ret = eng->context_new(chan, oc->engine); - if (ret) - return ret; - } - - return eng->object_new(chan, oc->engine, handle, class); - } - - return -EINVAL; -} - -static int -nouveau_gpuobj_channel_init_pramin(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - uint32_t size; - uint32_t base; - int ret; - - NV_DEBUG(dev, "ch%d\n", chan->id); - - /* Base amount for object storage (4KiB enough?) */ - size = 0x2000; - base = 0; - - if (dev_priv->card_type == NV_50) { - /* Various fixed table thingos */ - size += 0x1400; /* mostly unknown stuff */ - size += 0x4000; /* vm pd */ - base = 0x6000; - /* RAMHT, not sure about setting size yet, 32KiB to be safe */ - size += 0x8000; - /* RAMFC */ - size += 0x1000; - } - - ret = nouveau_gpuobj_new(dev, NULL, size, 0x1000, 0, &chan->ramin); - if (ret) { - NV_ERROR(dev, "Error allocating channel PRAMIN: %d\n", ret); - return ret; - } - - ret = drm_mm_init(&chan->ramin_heap, base, size - base); - if (ret) { - NV_ERROR(dev, "Error creating PRAMIN heap: %d\n", ret); - nouveau_gpuobj_ref(NULL, &chan->ramin); - return ret; - } - - return 0; -} - -static int -nvc0_gpuobj_channel_init(struct nouveau_channel *chan, struct nouveau_vm *vm) -{ - struct drm_device *dev = chan->dev; - struct nouveau_gpuobj *pgd = NULL; - struct nouveau_vm_pgd *vpgd; - int ret; - - ret = nouveau_gpuobj_new(dev, NULL, 4096, 0x1000, 0, &chan->ramin); - if (ret) - return ret; - - /* create page directory for this vm if none currently exists, - * will be destroyed automagically when last reference to the - * vm is removed - */ - if (list_empty(&vm->pgd_list)) { - ret = nouveau_gpuobj_new(dev, NULL, 65536, 0x1000, 0, &pgd); - if (ret) - return ret; - } - nouveau_vm_ref(vm, &chan->vm, pgd); - nouveau_gpuobj_ref(NULL, &pgd); - - /* point channel at vm's page directory */ - vpgd = list_first_entry(&vm->pgd_list, struct nouveau_vm_pgd, head); - nv_wo32(chan->ramin, 0x0200, lower_32_bits(vpgd->obj->vinst)); - nv_wo32(chan->ramin, 0x0204, upper_32_bits(vpgd->obj->vinst)); - nv_wo32(chan->ramin, 0x0208, 0xffffffff); - nv_wo32(chan->ramin, 0x020c, 0x000000ff); - - return 0; -} - -int -nouveau_gpuobj_channel_init(struct nouveau_channel *chan, - uint32_t vram_h, uint32_t tt_h) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fpriv *fpriv = nouveau_fpriv(chan->file_priv); - struct nouveau_vm *vm = fpriv ? fpriv->vm : dev_priv->chan_vm; - struct nouveau_gpuobj *vram = NULL, *tt = NULL; - int ret; - - NV_DEBUG(dev, "ch%d vram=0x%08x tt=0x%08x\n", chan->id, vram_h, tt_h); - if (dev_priv->card_type >= NV_C0) - return nvc0_gpuobj_channel_init(chan, vm); - - /* Allocate a chunk of memory for per-channel object storage */ - ret = nouveau_gpuobj_channel_init_pramin(chan); - if (ret) { - NV_ERROR(dev, "init pramin\n"); - return ret; - } - - /* NV50 VM - * - Allocate per-channel page-directory - * - Link with shared channel VM - */ - if (vm) { - u32 pgd_offs = (dev_priv->chipset == 0x50) ? 0x1400 : 0x0200; - u64 vm_vinst = chan->ramin->vinst + pgd_offs; - u32 vm_pinst = chan->ramin->pinst; - - if (vm_pinst != ~0) - vm_pinst += pgd_offs; - - ret = nouveau_gpuobj_new_fake(dev, vm_pinst, vm_vinst, 0x4000, - 0, &chan->vm_pd); - if (ret) - return ret; - - nouveau_vm_ref(vm, &chan->vm, chan->vm_pd); - } - - /* RAMHT */ - if (dev_priv->card_type < NV_50) { - nouveau_ramht_ref(dev_priv->ramht, &chan->ramht, NULL); - } else { - struct nouveau_gpuobj *ramht = NULL; - - ret = nouveau_gpuobj_new(dev, chan, 0x8000, 16, - NVOBJ_FLAG_ZERO_ALLOC, &ramht); - if (ret) - return ret; - - ret = nouveau_ramht_new(dev, ramht, &chan->ramht); - nouveau_gpuobj_ref(NULL, &ramht); - if (ret) - return ret; - } - - /* VRAM ctxdma */ - if (dev_priv->card_type >= NV_50) { - ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, - 0, (1ULL << 40), NV_MEM_ACCESS_RW, - NV_MEM_TARGET_VM, &vram); - if (ret) { - NV_ERROR(dev, "Error creating VRAM ctxdma: %d\n", ret); - return ret; - } - } else { - ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, - 0, dev_priv->fb_available_size, - NV_MEM_ACCESS_RW, - NV_MEM_TARGET_VRAM, &vram); - if (ret) { - NV_ERROR(dev, "Error creating VRAM ctxdma: %d\n", ret); - return ret; - } - } - - ret = nouveau_ramht_insert(chan, vram_h, vram); - nouveau_gpuobj_ref(NULL, &vram); - if (ret) { - NV_ERROR(dev, "Error adding VRAM ctxdma to RAMHT: %d\n", ret); - return ret; - } - - /* TT memory ctxdma */ - if (dev_priv->card_type >= NV_50) { - ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, - 0, (1ULL << 40), NV_MEM_ACCESS_RW, - NV_MEM_TARGET_VM, &tt); - } else { - ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, - 0, dev_priv->gart_info.aper_size, - NV_MEM_ACCESS_RW, - NV_MEM_TARGET_GART, &tt); - } - - if (ret) { - NV_ERROR(dev, "Error creating TT ctxdma: %d\n", ret); - return ret; - } - - ret = nouveau_ramht_insert(chan, tt_h, tt); - nouveau_gpuobj_ref(NULL, &tt); - if (ret) { - NV_ERROR(dev, "Error adding TT ctxdma to RAMHT: %d\n", ret); - return ret; - } - - return 0; -} - -void -nouveau_gpuobj_channel_takedown(struct nouveau_channel *chan) -{ - NV_DEBUG(chan->dev, "ch%d\n", chan->id); - - nouveau_vm_ref(NULL, &chan->vm, chan->vm_pd); - nouveau_gpuobj_ref(NULL, &chan->vm_pd); - - if (drm_mm_initialized(&chan->ramin_heap)) - drm_mm_takedown(&chan->ramin_heap); - nouveau_gpuobj_ref(NULL, &chan->ramin); -} - -int -nouveau_gpuobj_suspend(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *gpuobj; - int i; - - list_for_each_entry(gpuobj, &dev_priv->gpuobj_list, list) { - if (gpuobj->cinst != NVOBJ_CINST_GLOBAL) - continue; - - gpuobj->suspend = vmalloc(gpuobj->size); - if (!gpuobj->suspend) { - nouveau_gpuobj_resume(dev); - return -ENOMEM; - } - - for (i = 0; i < gpuobj->size; i += 4) - gpuobj->suspend[i/4] = nv_ro32(gpuobj, i); - } - - return 0; -} - -void -nouveau_gpuobj_resume(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *gpuobj; - int i; - - list_for_each_entry(gpuobj, &dev_priv->gpuobj_list, list) { - if (!gpuobj->suspend) - continue; - - for (i = 0; i < gpuobj->size; i += 4) - nv_wo32(gpuobj, i, gpuobj->suspend[i/4]); - - vfree(gpuobj->suspend); - gpuobj->suspend = NULL; - } - - dev_priv->engine.instmem.flush(dev); -} - -u32 -nv_ro32(struct nouveau_gpuobj *gpuobj, u32 offset) -{ - struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private; - struct drm_device *dev = gpuobj->dev; - unsigned long flags; - - if (gpuobj->pinst == ~0 || !dev_priv->ramin_available) { - u64 ptr = gpuobj->vinst + offset; - u32 base = ptr >> 16; - u32 val; - - spin_lock_irqsave(&dev_priv->vm_lock, flags); - if (dev_priv->ramin_base != base) { - dev_priv->ramin_base = base; - nv_wr32(dev, 0x001700, dev_priv->ramin_base); - } - val = nv_rd32(dev, 0x700000 + (ptr & 0xffff)); - spin_unlock_irqrestore(&dev_priv->vm_lock, flags); - return val; - } - - return nv_ri32(dev, gpuobj->pinst + offset); -} - -void -nv_wo32(struct nouveau_gpuobj *gpuobj, u32 offset, u32 val) -{ - struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private; - struct drm_device *dev = gpuobj->dev; - unsigned long flags; - - if (gpuobj->pinst == ~0 || !dev_priv->ramin_available) { - u64 ptr = gpuobj->vinst + offset; - u32 base = ptr >> 16; - - spin_lock_irqsave(&dev_priv->vm_lock, flags); - if (dev_priv->ramin_base != base) { - dev_priv->ramin_base = base; - nv_wr32(dev, 0x001700, dev_priv->ramin_base); - } - nv_wr32(dev, 0x700000 + (ptr & 0xffff), val); - spin_unlock_irqrestore(&dev_priv->vm_lock, flags); - return; - } - - nv_wi32(dev, gpuobj->pinst + offset, val); -} |