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| author | H. Peter Anvin <hpa@zytor.com> | 2010-05-08 14:59:58 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-05-08 14:59:58 -0700 |
| commit | d7be0ce6afb1df60bc786f57410407ceae92b994 (patch) | |
| tree | 5e91acfc12c833531ad3320f274e0cd96a129973 /drivers/gpu/drm/nouveau/nouveau_sgdma.c | |
| parent | e08cae4181af9483b04ecfac48f01c8e5a5f27bf (diff) | |
| parent | 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff) | |
Merge commit 'v2.6.34-rc6' into x86/cpu
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_sgdma.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_sgdma.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index ed1590577b6c..1d6ee8b55154 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -1,6 +1,7 @@ #include "drmP.h" #include "nouveau_drv.h" #include <linux/pagemap.h> +#include <linux/slab.h> #define NV_CTXDMA_PAGE_SHIFT 12 #define NV_CTXDMA_PAGE_SIZE (1 << NV_CTXDMA_PAGE_SHIFT) @@ -171,6 +172,24 @@ nouveau_sgdma_unbind(struct ttm_backend *be) } dev_priv->engine.instmem.finish_access(nvbe->dev); + if (dev_priv->card_type == NV_50) { + nv_wr32(dev, 0x100c80, 0x00050001); + if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) { + NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n"); + NV_ERROR(dev, "0x100c80 = 0x%08x\n", + nv_rd32(dev, 0x100c80)); + return -EBUSY; + } + + nv_wr32(dev, 0x100c80, 0x00000001); + if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) { + NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n"); + NV_ERROR(dev, "0x100c80 = 0x%08x\n", + nv_rd32(dev, 0x100c80)); + return -EBUSY; + } + } + nvbe->bound = false; return 0; } |