diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fb.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_fb.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c deleted file mode 100644 index f1e4b9e07d14..000000000000 --- a/drivers/gpu/drm/nouveau/nv50_fb.c +++ /dev/null @@ -1,296 +0,0 @@ -#include "drmP.h" -#include "drm.h" -#include "nouveau_drv.h" -#include "nouveau_drm.h" -#include "nouveau_fifo.h" - -struct nv50_fb_priv { - struct page *r100c08_page; - dma_addr_t r100c08; -}; - -static void -nv50_fb_destroy(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; - struct nv50_fb_priv *priv = pfb->priv; - - if (drm_mm_initialized(&pfb->tag_heap)) - drm_mm_takedown(&pfb->tag_heap); - - if (priv->r100c08_page) { - pci_unmap_page(dev->pdev, priv->r100c08, PAGE_SIZE, - PCI_DMA_BIDIRECTIONAL); - __free_page(priv->r100c08_page); - } - - kfree(priv); - pfb->priv = NULL; -} - -static int -nv50_fb_create(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; - struct nv50_fb_priv *priv; - u32 tagmem; - int ret; - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - pfb->priv = priv; - - priv->r100c08_page = alloc_page(GFP_KERNEL | __GFP_ZERO); - if (!priv->r100c08_page) { - nv50_fb_destroy(dev); - return -ENOMEM; - } - - priv->r100c08 = pci_map_page(dev->pdev, priv->r100c08_page, 0, - PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); - if (pci_dma_mapping_error(dev->pdev, priv->r100c08)) { - nv50_fb_destroy(dev); - return -EFAULT; - } - - tagmem = nv_rd32(dev, 0x100320); - NV_DEBUG(dev, "%d tags available\n", tagmem); - ret = drm_mm_init(&pfb->tag_heap, 0, tagmem); - if (ret) { - nv50_fb_destroy(dev); - return ret; - } - - return 0; -} - -int -nv50_fb_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nv50_fb_priv *priv; - int ret; - - if (!dev_priv->engine.fb.priv) { - ret = nv50_fb_create(dev); - if (ret) - return ret; - } - priv = dev_priv->engine.fb.priv; - - /* Not a clue what this is exactly. Without pointing it at a - * scratch page, VRAM->GART blits with M2MF (as in DDX DFS) - * cause IOMMU "read from address 0" errors (rh#561267) - */ - nv_wr32(dev, 0x100c08, priv->r100c08 >> 8); - - /* This is needed to get meaningful information from 100c90 - * on traps. No idea what these values mean exactly. */ - switch (dev_priv->chipset) { - case 0x50: - nv_wr32(dev, 0x100c90, 0x000707ff); - break; - case 0xa3: - case 0xa5: - case 0xa8: - nv_wr32(dev, 0x100c90, 0x000d0fff); - break; - case 0xaf: - nv_wr32(dev, 0x100c90, 0x089d1fff); - break; - default: - nv_wr32(dev, 0x100c90, 0x001d07ff); - break; - } - - return 0; -} - -void -nv50_fb_takedown(struct drm_device *dev) -{ - nv50_fb_destroy(dev); -} - -static struct nouveau_enum vm_dispatch_subclients[] = { - { 0x00000000, "GRCTX", NULL }, - { 0x00000001, "NOTIFY", NULL }, - { 0x00000002, "QUERY", NULL }, - { 0x00000003, "COND", NULL }, - { 0x00000004, "M2M_IN", NULL }, - { 0x00000005, "M2M_OUT", NULL }, - { 0x00000006, "M2M_NOTIFY", NULL }, - {} -}; - -static struct nouveau_enum vm_ccache_subclients[] = { - { 0x00000000, "CB", NULL }, - { 0x00000001, "TIC", NULL }, - { 0x00000002, "TSC", NULL }, - {} -}; - -static struct nouveau_enum vm_prop_subclients[] = { - { 0x00000000, "RT0", NULL }, - { 0x00000001, "RT1", NULL }, - { 0x00000002, "RT2", NULL }, - { 0x00000003, "RT3", NULL }, - { 0x00000004, "RT4", NULL }, - { 0x00000005, "RT5", NULL }, - { 0x00000006, "RT6", NULL }, - { 0x00000007, "RT7", NULL }, - { 0x00000008, "ZETA", NULL }, - { 0x00000009, "LOCAL", NULL }, - { 0x0000000a, "GLOBAL", NULL }, - { 0x0000000b, "STACK", NULL }, - { 0x0000000c, "DST2D", NULL }, - {} -}; - -static struct nouveau_enum vm_pfifo_subclients[] = { - { 0x00000000, "PUSHBUF", NULL }, - { 0x00000001, "SEMAPHORE", NULL }, - {} -}; - -static struct nouveau_enum vm_bar_subclients[] = { - { 0x00000000, "FB", NULL }, - { 0x00000001, "IN", NULL }, - {} -}; - -static struct nouveau_enum vm_client[] = { - { 0x00000000, "STRMOUT", NULL }, - { 0x00000003, "DISPATCH", vm_dispatch_subclients }, - { 0x00000004, "PFIFO_WRITE", NULL }, - { 0x00000005, "CCACHE", vm_ccache_subclients }, - { 0x00000006, "PPPP", NULL }, - { 0x00000007, "CLIPID", NULL }, - { 0x00000008, "PFIFO_READ", NULL }, - { 0x00000009, "VFETCH", NULL }, - { 0x0000000a, "TEXTURE", NULL }, - { 0x0000000b, "PROP", vm_prop_subclients }, - { 0x0000000c, "PVP", NULL }, - { 0x0000000d, "PBSP", NULL }, - { 0x0000000e, "PCRYPT", NULL }, - { 0x0000000f, "PCOUNTER", NULL }, - { 0x00000011, "PDAEMON", NULL }, - {} -}; - -static struct nouveau_enum vm_engine[] = { - { 0x00000000, "PGRAPH", NULL }, - { 0x00000001, "PVP", NULL }, - { 0x00000004, "PEEPHOLE", NULL }, - { 0x00000005, "PFIFO", vm_pfifo_subclients }, - { 0x00000006, "BAR", vm_bar_subclients }, - { 0x00000008, "PPPP", NULL }, - { 0x00000009, "PBSP", NULL }, - { 0x0000000a, "PCRYPT", NULL }, - { 0x0000000b, "PCOUNTER", NULL }, - { 0x0000000c, "SEMAPHORE_BG", NULL }, - { 0x0000000d, "PCOPY", NULL }, - { 0x0000000e, "PDAEMON", NULL }, - {} -}; - -static struct nouveau_enum vm_fault[] = { - { 0x00000000, "PT_NOT_PRESENT", NULL }, - { 0x00000001, "PT_TOO_SHORT", NULL }, - { 0x00000002, "PAGE_NOT_PRESENT", NULL }, - { 0x00000003, "PAGE_SYSTEM_ONLY", NULL }, - { 0x00000004, "PAGE_READ_ONLY", NULL }, - { 0x00000006, "NULL_DMAOBJ", NULL }, - { 0x00000007, "WRONG_MEMTYPE", NULL }, - { 0x0000000b, "VRAM_LIMIT", NULL }, - { 0x0000000f, "DMAOBJ_LIMIT", NULL }, - {} -}; - -void -nv50_fb_vm_trap(struct drm_device *dev, int display) -{ - struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO); - struct drm_nouveau_private *dev_priv = dev->dev_private; - const struct nouveau_enum *en, *cl; - unsigned long flags; - u32 trap[6], idx, chinst; - u8 st0, st1, st2, st3; - int i, ch; - - idx = nv_rd32(dev, 0x100c90); - if (!(idx & 0x80000000)) - return; - idx &= 0x00ffffff; - - for (i = 0; i < 6; i++) { - nv_wr32(dev, 0x100c90, idx | i << 24); - trap[i] = nv_rd32(dev, 0x100c94); - } - nv_wr32(dev, 0x100c90, idx | 0x80000000); - - if (!display) - return; - - /* lookup channel id */ - chinst = (trap[2] << 16) | trap[1]; - spin_lock_irqsave(&dev_priv->channels.lock, flags); - for (ch = 0; ch < pfifo->channels; ch++) { - struct nouveau_channel *chan = dev_priv->channels.ptr[ch]; - - if (!chan || !chan->ramin) - continue; - - if (chinst == chan->ramin->vinst >> 12) - break; - } - spin_unlock_irqrestore(&dev_priv->channels.lock, flags); - - /* decode status bits into something more useful */ - if (dev_priv->chipset < 0xa3 || - dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac) { - st0 = (trap[0] & 0x0000000f) >> 0; - st1 = (trap[0] & 0x000000f0) >> 4; - st2 = (trap[0] & 0x00000f00) >> 8; - st3 = (trap[0] & 0x0000f000) >> 12; - } else { - st0 = (trap[0] & 0x000000ff) >> 0; - st1 = (trap[0] & 0x0000ff00) >> 8; - st2 = (trap[0] & 0x00ff0000) >> 16; - st3 = (trap[0] & 0xff000000) >> 24; - } - - NV_INFO(dev, "VM: trapped %s at 0x%02x%04x%04x on ch %d [0x%08x] ", - (trap[5] & 0x00000100) ? "read" : "write", - trap[5] & 0xff, trap[4] & 0xffff, trap[3] & 0xffff, ch, chinst); - - en = nouveau_enum_find(vm_engine, st0); - if (en) - printk("%s/", en->name); - else - printk("%02x/", st0); - - cl = nouveau_enum_find(vm_client, st2); - if (cl) - printk("%s/", cl->name); - else - printk("%02x/", st2); - - if (cl && cl->data) cl = nouveau_enum_find(cl->data, st3); - else if (en && en->data) cl = nouveau_enum_find(en->data, st3); - else cl = NULL; - if (cl) - printk("%s", cl->name); - else - printk("%02x", st3); - - printk(" reason: "); - en = nouveau_enum_find(vm_fault, st1); - if (en) - printk("%s\n", en->name); - else - printk("0x%08x\n", st1); -} |