From: Ben Skeggs Date: Sat, 5 May 2012 12:19:20 +0000 (+1000) Subject: drm/nouveau: move current gpuobj code out of nouveau_object.c X-Git-Tag: MMI-PSA29.97-13-9~16260^2~1^2~3 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ce22af03da2cd700332a384e240378cae1355773;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git drm/nouveau: move current gpuobj code out of nouveau_object.c I want this file for the new interfaces... Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index fe5267d06ab5..efa1aef35f3a 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -4,7 +4,7 @@ ccflags-y := -Iinclude/drm nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \ - nouveau_object.o nouveau_irq.o nouveau_notifier.o \ + nouveau_gpuobj.o nouveau_irq.o nouveau_notifier.o \ nouveau_sgdma.o nouveau_dma.o nouveau_util.o \ nouveau_bo.o nouveau_fence.o nouveau_gem.o nouveau_ttm.o \ nouveau_hw.o nouveau_calc.o nouveau_bios.o nouveau_i2c.o \ diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 8613cb23808c..b0f8dd0373cd 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -938,7 +938,7 @@ extern void nouveau_channel_ref(struct nouveau_channel *chan, struct nouveau_channel **pchan); extern int nouveau_channel_idle(struct nouveau_channel *chan); -/* nouveau_object.c */ +/* nouveau_gpuobj.c */ #define NVOBJ_ENGINE_ADD(d, e, p) do { \ struct drm_nouveau_private *dev_priv = (d)->dev_private; \ dev_priv->eng[NVOBJ_ENGINE_##e] = (p); \ diff --git a/drivers/gpu/drm/nouveau/nouveau_gpuobj.c b/drivers/gpu/drm/nouveau/nouveau_gpuobj.c new file mode 100644 index 000000000000..b190cc01c820 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_gpuobj.c @@ -0,0 +1,868 @@ +/* + * 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 + */ + +#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); +} + +int nouveau_ioctl_grobj_alloc(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_nouveau_grobj_alloc *init = data; + struct nouveau_channel *chan; + int ret; + + if (init->handle == ~0) + return -EINVAL; + + /* compatibility with userspace that assumes 506e for all chipsets */ + if (init->class == 0x506e) { + init->class = nouveau_software_class(dev); + if (init->class == 0x906e) + return 0; + } else + if (init->class == 0x906e) { + NV_ERROR(dev, "906e not supported yet\n"); + return -EINVAL; + } + + chan = nouveau_channel_get(file_priv, init->channel); + if (IS_ERR(chan)) + return PTR_ERR(chan); + + if (nouveau_ramht_find(chan, init->handle)) { + ret = -EEXIST; + goto out; + } + + ret = nouveau_gpuobj_gr_new(chan, init->handle, init->class); + if (ret) { + NV_ERROR(dev, "Error creating object: %d (%d/0x%08x)\n", + ret, init->channel, init->handle); + } + +out: + nouveau_channel_put(&chan); + return ret; +} + +int nouveau_ioctl_gpuobj_free(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_nouveau_gpuobj_free *objfree = data; + struct nouveau_channel *chan; + int ret; + + chan = nouveau_channel_get(file_priv, objfree->channel); + if (IS_ERR(chan)) + return PTR_ERR(chan); + + /* Synchronize with the user channel */ + nouveau_channel_idle(chan); + + ret = nouveau_ramht_remove(chan, objfree->handle); + nouveau_channel_put(&chan); + return ret; +} + +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); +} diff --git a/drivers/gpu/drm/nouveau/nouveau_object.c b/drivers/gpu/drm/nouveau/nouveau_object.c deleted file mode 100644 index b190cc01c820..000000000000 --- a/drivers/gpu/drm/nouveau/nouveau_object.c +++ /dev/null @@ -1,868 +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 - */ - -#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); -} - -int nouveau_ioctl_grobj_alloc(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_nouveau_grobj_alloc *init = data; - struct nouveau_channel *chan; - int ret; - - if (init->handle == ~0) - return -EINVAL; - - /* compatibility with userspace that assumes 506e for all chipsets */ - if (init->class == 0x506e) { - init->class = nouveau_software_class(dev); - if (init->class == 0x906e) - return 0; - } else - if (init->class == 0x906e) { - NV_ERROR(dev, "906e not supported yet\n"); - return -EINVAL; - } - - chan = nouveau_channel_get(file_priv, init->channel); - if (IS_ERR(chan)) - return PTR_ERR(chan); - - if (nouveau_ramht_find(chan, init->handle)) { - ret = -EEXIST; - goto out; - } - - ret = nouveau_gpuobj_gr_new(chan, init->handle, init->class); - if (ret) { - NV_ERROR(dev, "Error creating object: %d (%d/0x%08x)\n", - ret, init->channel, init->handle); - } - -out: - nouveau_channel_put(&chan); - return ret; -} - -int nouveau_ioctl_gpuobj_free(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_nouveau_gpuobj_free *objfree = data; - struct nouveau_channel *chan; - int ret; - - chan = nouveau_channel_get(file_priv, objfree->channel); - if (IS_ERR(chan)) - return PTR_ERR(chan); - - /* Synchronize with the user channel */ - nouveau_channel_idle(chan); - - ret = nouveau_ramht_remove(chan, objfree->handle); - nouveau_channel_put(&chan); - return ret; -} - -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); -}