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two routines (one for G200 and one for G400) were replaced with static
const variables and a single function that returns the correct size.
The code to generate an error if the allocated WARP region is too small
was refactored from mga_warp_install_{g200,g400}_microcode to
mga_wrap_install_microcode.
mga_warp_microcode_size is global to the MGA DRM because it will soon be
used by code in another file.
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is now allocated (and partially filled in) by the new
mga_driver_preinit function.
This allows the driver to detect the type of card (i.e., G200 class vs.
G400 class) on its own. The chipset value passed to mga_dma_init is now
ignored. This same technique is used by the radeon DRM.
As a result of this, mga_driver_pretakedown was converted to
mga_driver_postcleanup. This routine gets called in some other places
than might be expected, and it sets the dev_private pointer to NULL.
That little gem took over an hour to track down. :(
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platform-specific drm_device_is_agp function. Added implementation of
this function the the Linux-specific portion of the MGA driver to
detect PCI G450 cards. Added code to the Linux-specific portion of the
generic DRM layer to not initialize AGP infrastructure if the card is
not AGP (this matches what already existed in BSD).
Bumped the driver date and the driver patch-level for MGA.
This mostly fixes bugzilla #3248. The BSD side still needs an
implementation of mga_driver_device_is_agp.
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weren't Lindent's because their comments didn't convert very well. A
bunch of other minor clean up with no code implact included.
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anything, and took up valuable KVA. While I'm in the area, clean up BSD
MTRR stuff some more.
Suggested by: jonsmirl
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the CPU (David Mosberger, Benjamin Herrenschmidt, myself, Paul
Mackerras, Jeff Wiedemeier)
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DRM_*MEMORYBARRIER we had were related to an MMIO space. This means
arch-specific code on the BSDs, unfortunately. Also add
DRM_MEMORYBARRIER() and change the DRM_READMEMORYBARRIER()s that used
to be read/write barriers to it.
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1) Remove redundant header inclusion
2) Silence bitop on non-long argument warnings (change int to long)
3) Move to ISO C (gcc 2.6) initializers (accepted by older gccs also) All
of these are syntax changes that should not impact functionality.
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