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author | Chris Wilson <chris@chris-wilson.co.uk> | 2012-04-24 15:47:41 +0100 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-03 11:18:12 +0200 |
commit | 1070a42b6bc5cc10a33d2fe22f0b295a0194a582 (patch) | |
tree | 7cbdeb398d3c957e5d703c7cec4fc55fad7e55f2 /drivers/gpu/drm/i915/i915_dma.c | |
parent | 9797fbfbcfe251b5297b82803002c713e61aa410 (diff) | |
download | talos-op-linux-1070a42b6bc5cc10a33d2fe22f0b295a0194a582.tar.gz talos-op-linux-1070a42b6bc5cc10a33d2fe22f0b295a0194a582.zip |
drm/i915: Move GEM initialisation from i915_dma.c to i915_gem.c
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 66 |
1 files changed, 1 insertions, 65 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index e3f1488b9933..9e80d5afd270 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1062,70 +1062,6 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev) return can_switch; } -static bool -intel_enable_ppgtt(struct drm_device *dev) -{ - if (i915_enable_ppgtt >= 0) - return i915_enable_ppgtt; - -#ifdef CONFIG_INTEL_IOMMU - /* Disable ppgtt on SNB if VT-d is on. */ - if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped) - return false; -#endif - - return true; -} - -static int i915_load_gem_init(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - unsigned long gtt_size, mappable_size; - int ret; - - gtt_size = dev_priv->mm.gtt->gtt_total_entries << PAGE_SHIFT; - mappable_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; - - mutex_lock(&dev->struct_mutex); - if (intel_enable_ppgtt(dev) && HAS_ALIASING_PPGTT(dev)) { - /* PPGTT pdes are stolen from global gtt ptes, so shrink the - * aperture accordingly when using aliasing ppgtt. */ - gtt_size -= I915_PPGTT_PD_ENTRIES*PAGE_SIZE; - - i915_gem_init_global_gtt(dev, 0, mappable_size, gtt_size); - - ret = i915_gem_init_aliasing_ppgtt(dev); - if (ret) { - mutex_unlock(&dev->struct_mutex); - return ret; - } - } else { - /* Let GEM Manage all of the aperture. - * - * However, leave one page at the end still bound to the scratch - * page. There are a number of places where the hardware - * apparently prefetches past the end of the object, and we've - * seen multiple hangs with the GPU head pointer stuck in a - * batchbuffer bound at the last page of the aperture. One page - * should be enough to keep any prefetching inside of the - * aperture. - */ - i915_gem_init_global_gtt(dev, 0, mappable_size, - gtt_size); - } - - ret = i915_gem_init_hw(dev); - mutex_unlock(&dev->struct_mutex); - if (ret) { - i915_gem_cleanup_aliasing_ppgtt(dev); - return ret; - } - - /* Allow hardware batchbuffers unless told otherwise. */ - dev_priv->allow_batchbuffer = 1; - return 0; -} - static int i915_load_modeset_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -1168,7 +1104,7 @@ static int i915_load_modeset_init(struct drm_device *dev) intel_modeset_init(dev); - ret = i915_load_gem_init(dev); + ret = i915_gem_init(dev); if (ret) goto cleanup_gem_stolen; |