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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.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c
deleted file mode 100644
index cd1988b15d2..00000000000
--- a/drivers/gpu/drm/nouveau/nv50_fb.c
+++ /dev/null
@@ -1,78 +0,0 @@
-#include "drmP.h"
-#include "drm.h"
-#include "nouveau_drv.h"
-#include "nouveau_drm.h"
-
-int
-nv50_fb_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- /* 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, dev_priv->gart_info.sg_dummy_bus >> 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, 0x0707ff);
- break;
- case 0xa3:
- case 0xa5:
- case 0xa8:
- nv_wr32(dev, 0x100c90, 0x0d0fff);
- break;
- default:
- nv_wr32(dev, 0x100c90, 0x1d07ff);
- break;
- }
-
- return 0;
-}
-
-void
-nv50_fb_takedown(struct drm_device *dev)
-{
-}
-
-void
-nv50_fb_vm_trap(struct drm_device *dev, int display, const char *name)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- u32 trap[6], idx, chinst;
- 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;
-
- chinst = (trap[2] << 16) | trap[1];
- for (ch = 0; ch < dev_priv->engine.fifo.channels; ch++) {
- struct nouveau_channel *chan = dev_priv->fifos[ch];
-
- if (!chan || !chan->ramin)
- continue;
-
- if (chinst == chan->ramin->vinst >> 12)
- break;
- }
-
- NV_INFO(dev, "%s - VM: Trapped %s at %02x%04x%04x status %08x "
- "channel %d (0x%08x)\n",
- name, (trap[5] & 0x100 ? "read" : "write"),
- trap[5] & 0xff, trap[4] & 0xffff, trap[3] & 0xffff,
- trap[0], ch, chinst);
-}