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code duplication, and it also hands you the map pointer so you don't
need to re-find it.
- Remove the permanent maps flag. Instead, for register and framebuffer
maps, we always check whether there's already a map of that type and
offset around. Move the Radeon map initialization into presetup (first
open) so it happens again after every takedown.
- Remove the split cleanup of maps between driver takedown (last close) and
cleanup (module unload). Instead, always tear down maps on takedown,
and drivers can recreate them on first open.
- Make MGA always use addmap, instead of allocating consistent memory in
the PCI case and then faking up a map for it, which accomplished nearly
the same thing, in a different order. Note that the maps are exposed to
the user again: we may want to expose a flag to avoid this, but it's
not a security concern, and saves us a lot of code.
- Remove rmmaps in the MGA driver. Since the function is only called during
takedown anyway, we can let them die a natural death.
- Make removal of maps happen in one function, which is called by both
drm_takedown and drm_rmmap_ioctl.
Reviewed by: idr (previous revision) Tested on: mga (old/new/pci dma),
radeon, savage
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zero does not mean no privs, instead it grants write access
_DRM_READ_ONLY only applies to non-root users. Problem is only in CVS,
initmaps are not in the kernel yet.
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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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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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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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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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implementation errors). Direct hardware (MMIO, BCI) access is no longer
needed in the Mesa driver. Bumped version to 2.0.0. Corresponding
changes to the DDX and Mesa drivers are being committed.
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