diff options
Diffstat (limited to 'shared-core/i915_dma.c')
| -rw-r--r-- | shared-core/i915_dma.c | 103 |
1 files changed, 69 insertions, 34 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index a5e51de4..c95f1857 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -78,19 +78,15 @@ void i915_kernel_lost_context(drm_device_t * dev) dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; } -int i915_dma_cleanup(drm_device_t * dev) +static int i915_dma_cleanup(drm_device_t * dev) { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; /* Make sure interrupts are disabled here because the uninstall ioctl * may not have been called from userspace and after dev_private * is freed, it's too late. */ - I915_WRITE(LP_RING + RING_LEN, 0); - if (dev->irq) drm_irq_uninstall(dev); - return 0; } @@ -98,6 +94,8 @@ static int i915_initialize(drm_device_t * dev, drm_i915_private_t * dev_priv, drm_i915_init_t * init) { + memset(dev_priv, 0, sizeof(drm_i915_private_t)); + dev_priv->sarea = drm_getsarea(dev); if (!dev_priv->sarea) { DRM_ERROR("can not find sarea!\n"); @@ -106,11 +104,13 @@ static int i915_initialize(drm_device_t * dev, return DRM_ERR(EINVAL); } - memset((void *)(dev_priv->ring.virtual_start), 0, dev_priv->ring.Size); - - I915_WRITE(LP_RING + RING_START, dev_priv->ring.Start); - I915_WRITE(LP_RING + RING_LEN, ((dev_priv->ring.Size - 4096) & RING_NR_PAGES) | (RING_NO_REPORT | RING_VALID)); - + dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); + if (!dev_priv->mmio_map) { + dev->dev_private = (void *)dev_priv; + i915_dma_cleanup(dev); + DRM_ERROR("can not find mmio map!\n"); + return DRM_ERR(EINVAL); + } dev_priv->cpp = init->cpp; dev_priv->sarea_priv->pf_current_page = 0; @@ -128,24 +128,6 @@ static int i915_initialize(drm_device_t * dev, */ 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 (!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); - - I915_WRITE(0x02080, dev_priv->dma_status_page); - DRM_DEBUG("Enabled hardware status page\n"); dev->dev_private = (void *)dev_priv; return 0; } @@ -156,8 +138,15 @@ static int i915_dma_resume(drm_device_t * dev) DRM_DEBUG("%s\n", __FUNCTION__); - I915_WRITE(I915REG_HWS_PGA, dev_priv->dma_status_page); - DRM_DEBUG("Enabled hardware status page\n"); + if (!dev_priv->sarea) { + DRM_ERROR("can not find sarea!\n"); + return DRM_ERR(EINVAL); + } + + if (!dev_priv->mmio_map) { + DRM_ERROR("can not find mmio map!\n"); + return DRM_ERR(EINVAL); + } return 0; } @@ -353,10 +342,12 @@ 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); @@ -391,7 +382,9 @@ 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; @@ -776,7 +769,7 @@ 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: @@ -802,6 +795,47 @@ 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(I915REG_HWS_PGA, 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; +} + drm_ioctl_desc_t i915_ioctls[] = { [DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, [DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, DRM_AUTH}, @@ -820,6 +854,7 @@ 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); |