diff options
Diffstat (limited to 'shared-core/i915_dma.c')
| -rw-r--r-- | shared-core/i915_dma.c | 79 |
1 files changed, 70 insertions, 9 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index eee24dd1..8237e145 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -66,6 +66,11 @@ void i915_kernel_lost_context(struct drm_device * dev) struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_ring_buffer *ring = &(dev_priv->ring); + /* we should never lose context on the ring with modesetting + * as we don't expose it to userspace */ + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return; + ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; ring->tail = I915_READ(LP_RING + RING_TAIL) & TAIL_ADDR; ring->space = ring->head - (ring->tail + 8); @@ -75,6 +80,11 @@ void i915_kernel_lost_context(struct drm_device * dev) int i915_dma_cleanup(struct drm_device * dev) { + struct drm_i915_private *dev_priv = dev->dev_private; + + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return 0; + /* 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. @@ -82,6 +92,28 @@ int i915_dma_cleanup(struct drm_device * dev) if (dev->irq) drm_irq_uninstall(dev); + if (dev_priv->ring.virtual_start) { + drm_core_ioremapfree(&dev_priv->ring.map, dev); + dev_priv->ring.virtual_start = 0; + dev_priv->ring.map.handle = 0; + dev_priv->ring.map.size = 0; + dev_priv->ring.Size = 0; + } + + if (dev_priv->status_page_dmah) { + drm_pci_free(dev, dev_priv->status_page_dmah); + dev_priv->status_page_dmah = NULL; + /* 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); + } + + return 0; } @@ -153,13 +185,17 @@ static int i915_initialize(struct drm_device * dev, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; - dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio_map) { - i915_dma_cleanup(dev); - DRM_ERROR("can not find mmio map!\n"); - return -EINVAL; + if (!drm_core_check_feature(dev, DRIVER_MODESET)) { + if (init->mmio_offset != 0) + dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); + if (!dev_priv->mmio_map) { + i915_dma_cleanup(dev); + DRM_ERROR("can not find mmio map!\n"); + return -EINVAL; + } } + #ifdef I915_HAVE_BUFFER dev_priv->max_validate_buffers = I915_MAX_VALIDATE_BUFFERS; #endif @@ -246,6 +282,9 @@ static int i915_dma_resume(struct drm_device * dev) DRM_DEBUG("\n"); + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return 0; + if (!dev_priv->mmio_map) { DRM_ERROR("can not find mmio map!\n"); return -EINVAL; @@ -765,6 +804,8 @@ struct i915_relocatee_info { unsigned page_offset; struct drm_bo_kmap_obj kmap; int is_iomem; + int idle; + int evicted; }; struct drm_i915_validate_buffer { @@ -820,6 +861,14 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers, drm_bo_kunmap(&relocatee->kmap); relocatee->data_page = NULL; relocatee->offset = new_cmd_offset; + + if (unlikely(!relocatee->idle)) { + ret = drm_bo_wait(relocatee->buf, 0, 0, 0); + if (ret) + return ret; + relocatee->idle = 1; + } + ret = drm_bo_kmap(relocatee->buf, new_cmd_offset >> PAGE_SHIFT, 1, &relocatee->kmap); if (ret) { @@ -829,6 +878,12 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers, relocatee->data_page = drm_bmo_virtual(&relocatee->kmap, &relocatee->is_iomem); relocatee->page_offset = (relocatee->offset & PAGE_MASK); + + if (!relocatee->evicted && + relocatee->buf->mem.flags & DRM_BO_FLAG_CACHED_MAPPED) { + drm_bo_evict_cached(relocatee->buf); + relocatee->evicted = 1; + } } val = buffers[buf_index].buffer->offset; @@ -963,10 +1018,6 @@ static int i915_exec_reloc(struct drm_file *file_priv, drm_handle_t buf_handle, } mutex_lock (&relocatee.buf->mutex); - ret = drm_bo_wait (relocatee.buf, 0, 0, FALSE); - if (ret) - goto out_err1; - while (reloc_user_ptr) { ret = i915_process_relocs(file_priv, buf_handle, &reloc_user_ptr, &relocatee, buffers, buf_count); if (ret) { @@ -1430,6 +1481,16 @@ drm_i915_mmio_entry_t mmio_table[] = { I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE, 0x30010, 6 + }, + [MMIO_REGS_FENCE] = { + I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE, + 0x2000, + 8 + }, + [MMIO_REGS_FENCE_NEW] = { + I915_MMIO_MAY_READ|I915_MMIO_MAY_WRITE, + 0x3000, + 16 } }; |