diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_sgdma.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_sgdma.c | 50 |
1 files changed, 27 insertions, 23 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index 6b9187d7f67d..630988af801c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -105,11 +105,13 @@ nouveau_sgdma_bind(struct ttm_backend *be, struct ttm_mem_reg *mem) uint32_t offset_h = upper_32_bits(dma_offset); for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++) { - if (dev_priv->card_type < NV_50) - nv_wo32(dev, gpuobj, pte++, offset_l | 3); - else { - nv_wo32(dev, gpuobj, pte++, offset_l | 0x21); - nv_wo32(dev, gpuobj, pte++, offset_h & 0xff); + if (dev_priv->card_type < NV_50) { + nv_wo32(gpuobj, (pte * 4) + 0, offset_l | 3); + pte += 1; + } else { + nv_wo32(gpuobj, (pte * 4) + 0, offset_l | 0x21); + nv_wo32(gpuobj, (pte * 4) + 4, offset_h & 0xff); + pte += 2; } dma_offset += NV_CTXDMA_PAGE_SIZE; @@ -145,11 +147,13 @@ nouveau_sgdma_unbind(struct ttm_backend *be) dma_addr_t dma_offset = dev_priv->gart_info.sg_dummy_bus; for (j = 0; j < PAGE_SIZE / NV_CTXDMA_PAGE_SIZE; j++) { - if (dev_priv->card_type < NV_50) - nv_wo32(dev, gpuobj, pte++, dma_offset | 3); - else { - nv_wo32(dev, gpuobj, pte++, dma_offset | 0x21); - nv_wo32(dev, gpuobj, pte++, 0x00000000); + if (dev_priv->card_type < NV_50) { + nv_wo32(gpuobj, (pte * 4) + 0, dma_offset | 3); + pte += 1; + } else { + nv_wo32(gpuobj, (pte * 4), dma_offset | 0x21); + nv_wo32(gpuobj, (pte * 4) + 4, 0x00000000); + pte += 2; } dma_offset += NV_CTXDMA_PAGE_SIZE; @@ -258,21 +262,21 @@ nouveau_sgdma_init(struct drm_device *dev) /* Maybe use NV_DMA_TARGET_AGP for PCIE? NVIDIA do this, and * confirmed to work on c51. Perhaps means NV_DMA_TARGET_PCIE * on those cards? */ - nv_wo32(dev, gpuobj, 0, NV_CLASS_DMA_IN_MEMORY | - (1 << 12) /* PT present */ | - (0 << 13) /* PT *not* linear */ | - (NV_DMA_ACCESS_RW << 14) | - (NV_DMA_TARGET_PCI << 16)); - nv_wo32(dev, gpuobj, 1, aper_size - 1); + nv_wo32(gpuobj, 0, NV_CLASS_DMA_IN_MEMORY | + (1 << 12) /* PT present */ | + (0 << 13) /* PT *not* linear */ | + (NV_DMA_ACCESS_RW << 14) | + (NV_DMA_TARGET_PCI << 16)); + nv_wo32(gpuobj, 4, aper_size - 1); for (i = 2; i < 2 + (aper_size >> 12); i++) { - nv_wo32(dev, gpuobj, i, - dev_priv->gart_info.sg_dummy_bus | 3); + nv_wo32(gpuobj, i * 4, + dev_priv->gart_info.sg_dummy_bus | 3); } } else { for (i = 0; i < obj_size; i += 8) { - nv_wo32(dev, gpuobj, (i+0)/4, - dev_priv->gart_info.sg_dummy_bus | 0x21); - nv_wo32(dev, gpuobj, (i+4)/4, 0); + nv_wo32(gpuobj, i + 0, + dev_priv->gart_info.sg_dummy_bus | 0x21); + nv_wo32(gpuobj, i + 4, 0); } } dev_priv->engine.instmem.flush(dev); @@ -308,9 +312,9 @@ nouveau_sgdma_get_page(struct drm_device *dev, uint32_t offset, uint32_t *page) struct nouveau_gpuobj *gpuobj = dev_priv->gart_info.sg_ctxdma; int pte; - pte = (offset >> NV_CTXDMA_PAGE_SHIFT); + pte = (offset >> NV_CTXDMA_PAGE_SHIFT) << 2; if (dev_priv->card_type < NV_50) { - *page = nv_ro32(dev, gpuobj, (pte + 2)) & ~NV_CTXDMA_PAGE_MASK; + *page = nv_ro32(gpuobj, (pte + 8)) & ~NV_CTXDMA_PAGE_MASK; return 0; } |