diff options
Diffstat (limited to 'shared-core/i915_dma.c')
| -rw-r--r-- | shared-core/i915_dma.c | 104 |
1 files changed, 83 insertions, 21 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index cb5dcea8..dbc5f959 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -35,8 +35,12 @@ dev->pci_device == 0x2982 || \ dev->pci_device == 0x2992 || \ dev->pci_device == 0x29A2 || \ - dev->pci_device == 0x2A02) + dev->pci_device == 0x2A02 || \ + dev->pci_device == 0x2A12) +#define IS_G33(dev) (dev->pci_device == 0x29C2 || \ + dev->pci_device == 0x29B2 || \ + dev->pci_device == 0x29D2) /* Really want an OS-independent resettable timer. Would like to have * this loop run for (eg) 3 sec, but have the timer reset every time @@ -107,7 +111,11 @@ static int i915_dma_cleanup(drm_device_t * dev) /* Need to rewrite hardware status page */ I915_WRITE(0x02080, 0x1ffff000); } - + if (dev_priv->status_gfx_addr) { + dev_priv->status_gfx_addr = 0; + drm_core_ioremapfree(&dev_priv->hws_map, dev); + I915_WRITE(0x02080, 0x1ffff000); + } drm_free(dev->dev_private, sizeof(drm_i915_private_t), DRM_MEM_DRIVER); @@ -177,23 +185,28 @@ static int i915_initialize(drm_device_t * dev, */ dev_priv->allow_batchbuffer = 1; + /* Enable vblank on pipe A for older X servers + */ + dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A; + /* Program Hardware Status Page */ - dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, - 0xffffffff); + if (!IS_G33(dev)) { + dev_priv->status_page_dmah = + drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); + + if (!dev_priv->status_page_dmah) { + dev->dev_private = (void *)dev_priv; + i915_dma_cleanup(dev); + DRM_ERROR("Can not allocate hardware status page\n"); + return DRM_ERR(ENOMEM); + } + dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; + dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; - if (!dev_priv->status_page_dmah) { - dev->dev_private = (void *)dev_priv; - i915_dma_cleanup(dev); - DRM_ERROR("Can not allocate hardware status page\n"); - return DRM_ERR(ENOMEM); - } - dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; - dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; - - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - I915_WRITE(0x02080, dev_priv->dma_status_page); + I915_WRITE(0x02080, dev_priv->dma_status_page); + } DRM_DEBUG("Enabled hardware status page\n"); dev->dev_private = (void *)dev_priv; return 0; @@ -228,7 +241,10 @@ static int i915_dma_resume(drm_device_t * dev) } DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); - I915_WRITE(0x02080, dev_priv->dma_status_page); + if (dev_priv->status_gfx_addr != 0) + I915_WRITE(0x02080, dev_priv->status_gfx_addr); + else + I915_WRITE(0x02080, dev_priv->dma_status_page); DRM_DEBUG("Enabled hardware status page\n"); return 0; @@ -429,10 +445,12 @@ void i915_emit_breadcrumb(drm_device_t *dev) drm_i915_private_t *dev_priv = dev->dev_private; RING_LOCALS; - dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter; + if (++dev_priv->counter > BREADCRUMB_MASK) { + dev_priv->counter = 1; + DRM_DEBUG("Breadcrumb counter wrapped around\n"); + } - if (dev_priv->counter > 0x7FFFFFFFUL) - dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1; + dev_priv->sarea_priv->last_enqueue = dev_priv->counter; BEGIN_LP_RING(4); OUT_RING(CMD_STORE_DWORD_IDX); @@ -467,7 +485,9 @@ int i915_emit_mi_flush(drm_device_t *dev, uint32_t flush) static int i915_dispatch_cmdbuffer(drm_device_t * dev, drm_i915_cmdbuffer_t * cmd) { +#ifdef I915_HAVE_FENCE drm_i915_private_t *dev_priv = dev->dev_private; +#endif int nbox = cmd->num_cliprects; int i = 0, count, ret; @@ -852,7 +872,7 @@ static int i915_mmio(DRM_IOCTL_ARGS) return DRM_ERR(EINVAL); e = &mmio_table[mmio.reg]; - base = dev_priv->mmio_map->handle + e->offset; + base = (u8 *) dev_priv->mmio_map->handle + e->offset; switch (mmio.read_write) { case I915_MMIO_READ: @@ -878,6 +898,47 @@ static int i915_mmio(DRM_IOCTL_ARGS) return 0; } +static int i915_set_status_page(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_hws_addr_t hws; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + DRM_COPY_FROM_USER_IOCTL(hws, (drm_i915_hws_addr_t __user *) data, + sizeof(hws)); + printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws.addr); + + dev_priv->status_gfx_addr = hws.addr & (0x1ffff<<12); + + dev_priv->hws_map.offset = dev->agp->agp_info.aper_base + hws.addr; + dev_priv->hws_map.size = 4*1024; + dev_priv->hws_map.type = 0; + dev_priv->hws_map.flags = 0; + dev_priv->hws_map.mtrr = 0; + + drm_core_ioremap(&dev_priv->hws_map, dev); + if (dev_priv->hws_map.handle == NULL) { + dev->dev_private = (void *)dev_priv; + i915_dma_cleanup(dev); + dev_priv->status_gfx_addr = 0; + DRM_ERROR("can not ioremap virtual address for" + " G33 hw status page\n"); + return DRM_ERR(ENOMEM); + } + dev_priv->hw_status_page = dev_priv->hws_map.handle; + + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + I915_WRITE(0x02080, dev_priv->status_gfx_addr); + DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n", + dev_priv->status_gfx_addr); + DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page); + return 0; +} + int i915_driver_load(drm_device_t *dev, unsigned long flags) { /* i915 has 4 more counters */ @@ -926,6 +987,7 @@ drm_ioctl_desc_t i915_ioctls[] = { [DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] = { i915_vblank_pipe_get, DRM_AUTH }, [DRM_IOCTL_NR(DRM_I915_VBLANK_SWAP)] = {i915_vblank_swap, DRM_AUTH}, [DRM_IOCTL_NR(DRM_I915_MMIO)] = {i915_mmio, DRM_AUTH}, + [DRM_IOCTL_NR(DRM_I915_HWS_ADDR)] = {i915_set_status_page, DRM_AUTH}, }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); |