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1) Security fix: Stopped possible MMIO access to PCI DMA area for the
unichrome Pro.
2) Fixed an odd cpu usage problem by padding small AGP DMA submissions.
Bumped patchlevel.
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New PCI command parser. Moved from via_dma.c to via_verifier.c so functions
with similar functionality are close to eachother.
Moved video related functions to via_video.c, which might be extended in
the future, as new video functionality is added.
New device-specific generic IRQ IOCTL, similar to the general VBLANK IOCTL,
but with support for multiple device IRQ sources and functionality.
Support for Unichrome Pro PM800/CN400 video DMA commands in verifier and
PCI parser.
Support for Unichrome Pro PM800/CN400 HQV IRQs in the new generic IRQ
IOCTL.
Bumped minor. New version 2.6.0.
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From: Tungsten Graphics Signed-off-by: Dave Airlie <airlied@linux.ie>
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Inc.)
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r200
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1. Initialize futex locks to zero on device init.
2. Remove some stray defines from via_drm.h
3. Prepare via_drm.h for drm client inclusion. The goal is to share a
common file with common definitions.
4. Sync shared / shared-core via_drm.h
5. Bump minor, because of the futex lock initialization.
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- don't waste DMA memory when small command buffers are flushed
- minimized padding with noops
- slightly simplified faked DMA flushing
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after ~5min: buffer aging was subtly broken. Part of this may have also
affected vertex DMA buffer aging and client-side texture heap aging,
though with less fatal consequences. Bumped minor version and driver
date.
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command and vertex DMA don't work at the same time. Command DMA
performance is superior and works with all vertex formats. Bumped minor
version and driver date.
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event counters in the SAVAGE_EVENT_EMIT/WAIT ioctls. This is needed for
reliable client-side texture heap aging. Slightly simplified DMA buffer
aging while at it. Bumped minor version and driver date.
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(wasn't an issue). Don't forget to free kbuf if the copyin fails.
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cube maps (since it also requires a version bump) at the same time.
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privileges on Radeon hardware. Essentially, a malicious program could
submit a packet containing an offset (possibly in main memory) to be
rendered from/to, while a separate thread switched that offset in
userspace rapidly between a valid value and an invalid one.
radeon_check_and_fixup_offset() would pull the offset in from user
space, check it, and spit it back out to user space to be copied in
later by the emit code. It would sometimes catch the bad value, but
sometimes the malicious program could modify it after the check and get
an invalid offset rendered from/to.
Fix this by allocating a temporary buffer and copying the data in at once.
While here, make the cliprects stuff not do the VERIFYAREA_READ and
COPY_FROM_USER_UNCHECKED gymnastics, avoiding a lock order reversal on
FreeBSD. Performance impact is negligible -- no difference on r200 to
~1% improvement on rv200 in quake3 tests (P4 1Ghz, demofour at
1024x768, n=4 or 5).
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FreeBSD. Add drm_get_resource_{start|len} so linux-specific stuff
doesn't need to be in shared code.
- Fix mach64 build by using __DECONST to work around passing a const
pointer to useracc, which is unfortunately not marked const.
- Get rid of a lot of maplist code by not having dev->maplist be a pointer,
and by sticking the link entries directly in drm_local_map_t rather
than having a separate structure for the linked list.
- Factor out map uninit and removal into its own routine, rather than
duplicating in both drm_takedown() and drm_rmmap().
- Hook up more driver functions, and correct FreeBSD-specific bits of
radeon_cp.c, making radeon work.
- Baby steps towards using bus_space as we should.
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prototype went away.
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drm. Add new ioctls to manage surfaces which cover the tiled areas
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numerical ordering.
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Implemented SAVAGE_CMD_DMA_IDX and SAVAGE_CMD_VB_IDX for ELTs support in
the _savage_render_stage of the 3D driver
Bumped minor version and driver date
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from here
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The attached patch adds a new buffer type DRM_FB_BUFFER. It works like AGP
memory but uses video memory.
From: austinyuan@viatech.com.cn (fd.o bug 1668) Signed-off-by: Dave Airlie
<airlied@linux.ie>
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fans. Bumped patchlevel and driver date.
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Savage4-based cards. Automatic setup in drm_initmap doesn't work due to
the weird alignment and size of the aperture.
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needed on the DRM side to support PCI Savages. Bumped patch level and
driver date.
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first indexed drawing command of a cmdbuf or if a wait command was
emitted since the last indexed drawing command.
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alignment check.
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Bump to 1.2
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should hopefully stop it from getting out of sync.
The PCI command parser is still not updated.
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passed to the cmdbuf ioctl (try xeyes on top of glxgears ;-)
Tightened the texture state check
Bumped Savage DRM version to 2.1.0 so that DRI driver can (theoretically)
depend on the DRM to manage the scissor registers
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