diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fb.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_fb.c | 78 |
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); -} |
