[ANNOUNCE] xf86-video-intel 2.21.0

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Release 2.21.0 (2013-02-01)
===========================
A few new features:

 * Enable render acceleration for Haswell GT1/GT2.

 * Enable multi-threaded rasterisation of trapezoids and fallback composition

 * Utilile a new kernel interface (v3.9) for processing relocations

along with a few older features from the 2.20.x series:

 * PRIME support for hotplug GPUs and hybrid systems

 * Support for IvyBridge GT1 machines, aka HD2500 graphics.

 * Stable 830gm/845g support, at last!

As usual we have a large number of bug fixes since the last release:

 * Prevent a stray relocation being left after a buffer is removed from
   a batch, leading to GPU hangs.

 * Make the driver more robust against its own failures to submit batches
   by falling back to software rendering.

 * Fix emission of scanline waits for secondary pipes on gen6/7. Otherwise
   you may encounter GPU hangs in MI_WAIT_FOR_EVENT.

 * Fix a missing corner pixel when drawing rectangles with PolyLines
   https://bugs.freedesktop.org/show_bug.cgi?id=55484

 * Don't try to use Y-tiling colour buffers with mesa/i915c as mesa
   doesn't support them and wil fallback to software rendering

 * Ensure that any cached mmaps are invalidated for a SwapBuffers
   https://bugs.freedesktop.org/show_bug.cgi?id=60042

 * Correctly handle the composition of rotated displays too large for the
   3D pipeline
   https://bugs.freedesktop.org/show_bug.cgi?id=60124

 * Fix the computation of the planar video frame size
   https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1104180


Chris Wilson (74):
      sna/gen3: Always close the vertices for a batch, even if the vbo is empty
      sna: Adapt error detection and handling for invalid batchbuffers
      sna/gen3+: Handle flushing vbo for CA glyphs
      sna/gen3+: Reset vertex relocation state after discarding the batch
      sna/gen3+: And restore non-CA compositing state after the CA pass
      sna/gen6: Tweak programming scanline values
      sna/gen3+: Remove bogus assertion that the vbo in included before finish
      sna/gen7: Offset start/end scanlines by one
      sna/gen7: Place the vsync commands in the same cacheline
      sna: New execbuffer flags for lut-handle and fast-relocs are upstream
      sna: Only add bound scanouts to the scanout list
      sna: Assert that if marked as a scanout it is indeed bound.
      sna: Use the maximum backlight value if we fail to read the current value
      sna: Free a non-reusable bo if it expires on the flushing list
      sna/gen7: Fix inversion of bool return code from CA pass
      sna: Extend rectangular PolyLines to cover corner pixels on ccw paths
      sna/gen7: Correct the event definition for secondary pipes for MI_WAIT_FOR_EVENT
      sna/gen6: Correct the event definition for secondary pipes for MI_WAIT_FOR_EVENT
      sna/dri: Prefer to use the BLT ring for vsync'ed copies on IVB+
      sna: Clean up WAIT_FOR_EVENT on gen2/3
      sna/dri: Stop feeding I915_TILING_Y to mesa i915c
      sna/dri: Only reject DRI2 buffers that are too small for the request blit
      sna/dri: Don't contribute missed frames to the target_msc
      sna: Experiment with a threaded renderer for fallback compositing
      sna: Refactor to use a common fbComposite fallback
      sna/dri: Compensate clipExtents for drawable offset
      sna: Use threads for simple mask generation
      sna: Tidy construction of data for threaded composite
      sna: Parse cpuinfo to determine the actual number of physical cores/caches
      sna: Perform the last threaded composite operation directly
      sna: Spawn threads to composite trapezoids inplace
      sna: Spawn threads to rasterize trapezoids through pixman
      sna: Begin sketching out a threaded rasteriser for spans
      sna: Enable threaded rasterisation for non-antialiased geometry
      sna: Disable all signals in the render threads
      sna: Add the pixmap to the flushing list when creating for inplace CPU writes
      sna: Replace the forced vertex finish with just a wait
      sna: Fix typo in vertex count for threaded source span emitter
      sna: Add some more paranoia that we correctly map before fallbacks
      sna: Add GT1/GT2 thread counts for Haswell
      sna/gen3+: Fix a DBG for composite_boxes()
      sna: Avoid promoting SHM CPU bo to GPU to maintain coherence with SHM clients
      sna: Verify that we always add the SHM CPU bo to the flush list when using
      sna: Only migrate the sample box if using the BLT engine for a composite
      sna: Before replacing the devPrivate.ptr assert it is not already mapped
      sna: Only discard the mapping prior to the actual read when uploading
      sna/dri: Make sure we discard the existing mappings when swapping GPU bo
      sna: Return early if the Drawable box exactly matches one CRTC
      sna: Fix errors found from asserts in a66c5f9ed51e
      uxa: Harden against failures to submit batchbuffers
      sna: Prefer to use snooped buffers for readbacks
      sna: Relax assertion the the kernel considers the bo idle when we call retire
      sna: Retire the bo after a set-domain(CPU,0)
      sna: Don't force a migration from CPU rendering for a DRI2 flushed pixmap
      sna: Only discard the clear hint when writing inplace to the GPU pixmap
      sna: Pass the correct WRITE hint when migrating for rendering into the CPU bo
      sna: Add a bunch of assertions to make sure we do not misplace scanouts
      sna/dri: Handle change of BackBuffer across a pending flip
      sna: Improve DBG output for damaged slave outputs
      sna: Prevent falling back to swrast if source is on the GPU
      sna: Disable dangerous assertions that depend upon external state
      sna: Stage retirement through the flushing list
      sna/traps: Translate the extents for the rasterization threads
      sna/traps: Allow inplace compositing for non-GPU buffers and rectilinear traps
      sna/traps: Thread the fallback rectilinear compositor
      sna: After removing the bo from a batch, check whether it is still busy
      sna: Remember to move scanouts to the scanout cache after retiring
      sna: Pass width/height to composite for rotated displays
      sna: Remove stale assertion
      sna: Make sure the needs_flush is always accompanied by a tracking request
      sna/gen3+: Flush vertex threads before touching global state
      sna/video: Correct computation of planar frame size
      sna: Assert that if we have GPU damage we have a GPU bo
      2.21.0 release

git tag: 2.21.0

http://xorg.freedesktop.org/archive/individual/driver/xf86-video-intel-2.21.0.tar.bz2
MD5:  f029cc261fca75b32ba85b9c4189db88  xf86-video-intel-2.21.0.tar.bz2
SHA1: cce3f932264ceb6449360ad7d938d74f697c9522  xf86-video-intel-2.21.0.tar.bz2
SHA256: d872adef06cbf1a4434811baad4b8a18feacc6633b59b36557e8d7db7161081c  xf86-video-intel-2.21.0.tar.bz2

http://xorg.freedesktop.org/archive/individual/driver/xf86-video-intel-2.21.0.tar.gz
MD5:  ab12fda1098b7f2e617045583fa71ba6  xf86-video-intel-2.21.0.tar.gz
SHA1: 69cc0b03c3eac20504d05816b799a444719c2a51  xf86-video-intel-2.21.0.tar.gz
SHA256: faf3c5f0e90cbf49c331242875648510a678557427ee1eda8d1bb335460d346d  xf86-video-intel-2.21.0.tar.gz


-- 
Chris Wilson, Intel Open Source Technology Centre
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