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path: root/drivers/char/drm/i915_dma.c
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Diffstat (limited to 'drivers/char/drm/i915_dma.c')
-rw-r--r--drivers/char/drm/i915_dma.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index acf9e52a9507..34f552f90c4a 100644
--- a/drivers/char/drm/i915_dma.c
+++ b/drivers/char/drm/i915_dma.c
@@ -95,9 +95,8 @@ static int i915_dma_cleanup(drm_device_t * dev)
95 drm_core_ioremapfree( &dev_priv->ring.map, dev); 95 drm_core_ioremapfree( &dev_priv->ring.map, dev);
96 } 96 }
97 97
98 if (dev_priv->hw_status_page) { 98 if (dev_priv->status_page_dmah) {
99 drm_pci_free(dev, PAGE_SIZE, dev_priv->hw_status_page, 99 drm_pci_free(dev, dev_priv->status_page_dmah);
100 dev_priv->dma_status_page);
101 /* Need to rewrite hardware status page */ 100 /* Need to rewrite hardware status page */
102 I915_WRITE(0x02080, 0x1ffff000); 101 I915_WRITE(0x02080, 0x1ffff000);
103 } 102 }
@@ -174,16 +173,18 @@ static int i915_initialize(drm_device_t * dev,
174 dev_priv->allow_batchbuffer = 1; 173 dev_priv->allow_batchbuffer = 1;
175 174
176 /* Program Hardware Status Page */ 175 /* Program Hardware Status Page */
177 dev_priv->hw_status_page = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 176 dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE,
178 0xffffffff, 177 0xffffffff);
179 &dev_priv->dma_status_page);
180 178
181 if (!dev_priv->hw_status_page) { 179 if (!dev_priv->status_page_dmah) {
182 dev->dev_private = (void *)dev_priv; 180 dev->dev_private = (void *)dev_priv;
183 i915_dma_cleanup(dev); 181 i915_dma_cleanup(dev);
184 DRM_ERROR("Can not allocate hardware status page\n"); 182 DRM_ERROR("Can not allocate hardware status page\n");
185 return DRM_ERR(ENOMEM); 183 return DRM_ERR(ENOMEM);
186 } 184 }
185 dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr;
186 dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
187
187 memset(dev_priv->hw_status_page, 0, PAGE_SIZE); 188 memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
188 DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); 189 DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
189 190
@@ -731,3 +732,19 @@ drm_ioctl_desc_t i915_ioctls[] = {
731}; 732};
732 733
733int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); 734int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
735
736/**
737 * Determine if the device really is AGP or not.
738 *
739 * All Intel graphics chipsets are treated as AGP, even if they are really
740 * PCI-e.
741 *
742 * \param dev The device to be tested.
743 *
744 * \returns
745 * A value of 1 is always retured to indictate every i9x5 is AGP.
746 */
747int i915_driver_device_is_agp(drm_device_t * dev)
748{
749 return 1;
750}