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author | Ingo Molnar <mingo@elte.hu> | 2009-05-18 08:15:09 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-05-18 08:15:35 (GMT) |
commit | 1079cac0f4eb7d968395378b1625979d4c818dd6 (patch) | |
tree | d261058d95d27fe7250511d5fad69db30dc17731 /drivers/gpu/drm/i915/i915_dma.c | |
parent | 5872144f64b34a5942f6b4acedc90b02de72c58b (diff) | |
parent | 1406de8e11eb043681297adf86d6892ff8efc27a (diff) | |
download | linux-fsl-qoriq-1079cac0f4eb7d968395378b1625979d4c818dd6.tar.xz |
Merge commit 'v2.6.30-rc6' into tracing/core
Merge reason: we were on an -rc4 base, sync up to -rc6
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 051134c..53d5445 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1011,8 +1011,16 @@ static int i915_load_modeset_init(struct drm_device *dev) /* Basic memrange allocator for stolen space (aka vram) */ drm_mm_init(&dev_priv->vram, 0, prealloc_size); - /* Let GEM Manage from end of prealloc space to end of aperture */ - i915_gem_do_init(dev, prealloc_size, agp_size); + /* Let GEM Manage from end of prealloc space to end of 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_do_init(dev, prealloc_size, agp_size - 4096); ret = i915_gem_init_ringbuffer(dev); if (ret) @@ -1350,6 +1358,7 @@ struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, 0), DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, 0), DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, 0), + DRM_IOCTL_DEF(DRM_I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, 0), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); |