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path: root/drivers/gpu/drm/nouveau/nv50_fb.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_fb.c295
1 files changed, 0 insertions, 295 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c
deleted file mode 100644
index befd5fb7155..00000000000
--- a/drivers/gpu/drm/nouveau/nv50_fb.c
+++ /dev/null
@@ -1,295 +0,0 @@
-#include <drm/drmP.h>
-#include "nouveau_drv.h"
-#include <drm/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);
-}
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