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patchset against 2.6.23-rc3.
corrects missing ioremap return checks and balancing on iounmap calls, integrated changes per list
recommendations on the original set of patches..
Signed-off-by: Scott Thompson <postfail <at> hushmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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This fixes the following compile failures of agpgart drivers.
These errors were inserted by the recent AGPGART constification patch.
drivers/char/agp/uninorth-agp.c:492: error: expected '{' before 'const'
drivers/char/agp/uninorth-agp.c:517: error: expected '{' before 'const'
drivers/char/agp/uninorth-agp.c: In function 'agp_uninorth_probe':
drivers/char/agp/uninorth-agp.c:634: error: 'u3_agp_driver' undeclared (first use in this function)
drivers/char/agp/uninorth-agp.c:634: error: (Each undeclared identifier is reported only once
drivers/char/agp/uninorth-agp.c:634: error: for each function it appears in.)
drivers/char/agp/uninorth-agp.c:636: error: 'uninorth_agp_driver' undeclared (first use in this function)
Signed-off-by: Ryusuke Konishi <ryusuke@osrg.net>
Signed-off-by: Dave Jones <davej@redhat.com>
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Make agp_bridge_driver->aperture_sizes and ->masks const.
Also agp_bridge_data->driver
Signed-off-by: Dave Jones <davej@redhat.com>
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This patch allows drm to populate an agpgart structure with pages of its own.
It's needed for the new drm memory manager which dynamically flips pages in and out of AGP.
The patch modifies the generic functions as well as the intel agp driver. The intel drm driver is
currently the only one supporting the new memory manager.
Other agp drivers may need some minor fixing up once they have a corresponding memory manager enabled drm driver.
AGP memory types >= AGP_USER_TYPES are not populated by the agpgart driver, but the drm is expected
to do that, as well as taking care of cache- and tlb flushing when needed.
It's not possible to request these types from user space using agpgart ioctls.
The Intel driver also gets a new memory type for pages that can be bound cached to the intel GTT.
Signed-off-by: Thomas Hellstrom <thomas@tungstengraphics.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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Eliminate trailing whitespace.
s/if(/if (/
s/for(/for (/
Signed-off-by: Dave Jones <davej@redhat.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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drivers/char/agp/i460-agp.c: In function `i460_fetch_size':
drivers/char/agp/i460-agp.c:115: warning: size_t format, long unsigned int arg (arg 2)
drivers/char/agp/i460-agp.c:115: warning: size_t format, long unsigned int arg (arg 3)
drivers/char/agp/i460-agp.c: In function `i460_mask_memory':
drivers/char/agp/i460-agp.c:542: warning: integer constant is too large for "long" type
Note that the i460_mask_memory() change is a guess. But a good one, I suspect.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
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AGP allocation/deallocation is suffering major performance issues due to
the nature of global_flush_tlb() being called on every change_page_attr()
call.
For small allocations this isn't really seen, but when you start allocating
50000 pages of AGP space, for say, texture memory, then things can take
seconds to complete.
In some cases the situation is doubled or even quadrupled in the time due
to SMP, or a deallocation, then a new reallocation. I've had a case of
upto 20 seconds wait time to deallocate and reallocate AGP space.
This patch fixes the problem by making it the caller's responsibility to
call global_flush_tlb(), and so removes it from every instance of mapping a
page into AGP space until the time that all change_page_attr() changes are
done.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
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I recently picked up my older work to remove unnecessary #includes of
sched.h, starting from a patch by Dave Jones to not include sched.h
from module.h. This reduces the number of indirect includes of sched.h
by ~300. Another ~400 pointless direct includes can be removed after
this disentangling (patch to follow later).
However, quite a few indirect includes need to be fixed up for this.
In order to feed the patches through -mm with as little disturbance as
possible, I've split out the fixes I accumulated up to now (complete for
i386 and x86_64, more archs to follow later) and post them before the real
patch. This way this large part of the patch is kept simple with only
adding #includes, and all hunks are independent of each other. So if any
hunk rejects or gets in the way of other patches, just drop it. My scripts
will pick it up again in the next round.
Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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From: Laurent Riffard <laurent.riffard@free.fr>
This updates .owner field of struct pci_driver.
This allows SYSFS to create the symlink from the driver to the module which
provides it.
$ tree /sys/bus/pci/drivers/agpgart-via/
/sys/bus/pci/drivers/agpgart-via/
|-- 0000:00:00.0 -> ../../../../devices/pci0000:00/0000:00:00.0
|-- bind
|-- module -> ../../../../module/via_agp
|-- new_id
`-- unbind
Signed-off-by: Laurent Riffard <laurent.riffard@free.fr>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
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Signed-off-by: Dave Jones <davej@redhat.com>
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When Linux is running on the Xen virtual machine monitor, physical
addresses are virtualised and cannot be directly referenced by the AGP
GART. This patch fixes the GART driver for Xen by adding a layer of
abstraction between physical addresses and 'GART addresses'.
Architecture-specific functions are also defined for allocating and freeing
the GATT. Xen requires this to ensure that table really is contiguous from
the point of view of the GART.
These extra interface functions are defined as 'no-ops' for all existing
architectures that use the GART driver.
Signed-off-by: Keir Fraser <keir@xensource.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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