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Fix bandwidth computation and crtc priority in memory controller
so that crtc memory request are fullfill in time to avoid display
artifact.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This adds new set/get tiling interfaces where the pitch
and macro/micro tiling enables can be set. Along with
a flag to decide if this object should have a surface when mapped.
The only thing we need to allocate with a mapped surface should be
the frontbuffer. Note rotate scanout shouldn't require one, and
back/depth shouldn't either, though mesa needs some fixes.
It fixes the TTM interfaces along Thomas's suggestions, and I've tested
the surface stealing code with two X servers and not seen any lockdep issues.
I've stopped tiling the fbcon frontbuffer, as I don't see there being
any advantage other than testing, I've left the testing commands in there,
just flip the fb_tiled to true in radeon_fb.c
Open: Can we integrate endian swapping in with this?
Future features:
texture tiling - need to relocate texture registers TXOFFSET* with tiling info.
This also merges Michel's cleanup surfaces regs at init time patch
even though it makes sense on its own, this patch really relies on it.
Some PowerMac firmwares set up a tiling surface at the beginning of VRAM
which messes us up otherwise.
that patch is:
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Need to adjust CUR_OFFSET for yorigin
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Allows us to hit dot clocks much closer, especially on
chips with non-27 Mhz reference clocks like most IGP chips.
This fixes most flickering and blanking problems with
non-exact dot clocks on these chips.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This is needed when using fractional feedback dividers on some IGP
chips.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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RN50/ES1000 is a cut-down rv100 chip used in the server market.
The 3D engine on these is either not there or unverified so refuse
any attempt to configure registers on it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Doing this like the DDX seems like the most sure fire way to avoid
having to reinvent it slowly and painfully. At the moment we keep
getting things wrong with aper vs vram, so we know the DDX does it right.
booted on PCI r100, PCIE rv370, IGP rs400.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This add support for using dma32 memory on gpus that really need it.
Currently IGPs are left without DMA32 but we might need to change
that unless we can fix rs690.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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For now handle it via r/g/b offsets and disallow 16 bpp modes on big endian
machines.
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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On powerpc, since we aren't using any hw swappers, this will
get flipped around by default in hw.
tested on a G5 + rv515.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If userspace sends a zero length IB, it really shouldn't have bothered
so EINVAL it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fix this to be correct like the DDX code, looks like a typo
on transfer to the kernel.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Noticed by Rafał Miłecki on dri-devel. On r6xx/r7xx hardware, laptop
panels can be driven by KLDSCP_LVTMA or UNIPHY.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The line mux for the connector in the bios tables
is used for enumerating drm connectors. Since
this laptop has a quirk where the same line much is
listed for both VGA and LVDS, the connectors get
combined. Setting the line mux on LVDS to an unused
value prevents both encoders from being combined into
the same connector. This should fix bko bug 13720.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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A bug caused a new caching state to be selected on each buffer object
validation regardless of the current caching state.
Moreover, a caching state could be selected that wasn't supported by
the memory type.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Userspace sends us a special relocation type to sync video/exa
to vlines to avoid tearing, this deals with the relocation
in the kernel, it picks the correct crtc and avoids issues
where crtcs are disabled.
This version also parses the wait until to make sure it isn't
trying to do anything evil.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Normally we are free to place VRAM where we want in the GPUs
memory address space, however on IGP chips the VRAM is actual RAM,
and no special translation or aperture is used inside the GPU MC.
So when you move the VRAM aperture away from the TOM register,
you actually move it into main memory and can trash things quite badly.
This commit makes the code respect the TOM location for MC_FB_LOCATION.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The crtc and cursor offsets on the legacy chips are offset from
DISPLAY_BASE_ADDR. The code worked if display base addr was at 0,
but otherwise falls to pieces.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If there is a problem then this is hiding it, we shouldn't
ever need to flush the IB. Either the buffers are:
WB - caching just works.
WC - no need to do explicit flush, the MB + readback will do it
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Unsigned long is incorrect for 64-bit resources on 32-bit hw.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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1. rv370 can accept 40-bit addresses - also at 24-bit shift not 4 bits
2. rs480 table can be in 40-bit space. - 4 bit shift for top 8 bits
3. rs480 table entries can be in 40-bit space.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Commit 5fd29d6ccbc98884569d6f3105aeca70858b3e0f ("printk: clean up
handling of log-levels and newlines") changed printk semantics. printk
lines with multiple KERN_<level> prefixes are no longer emitted as
before the patch.
<level> is now included in the output on each additional use.
Remove all uses of multiple KERN_<level>s in formats.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This fixes the ppp problems and various other issues with call locking
caused by one side of a pty called in one locking context trying to match
another with differing rules on the other side. We also get a big slack
space to work with that means we can bury the flow control deadlock case
for any conceivable real world situation.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] Powernow-k8: support family 0xf with 2 low p-states
[CPUFREQ] fix (utter) cpufreq_add_dev mess
[CPUFREQ] Cleanup locking in conservative governor
[CPUFREQ] Cleanup locking in ondemand governor
[CPUFREQ] Mark policy_rwsem as going static in cpufreq.c wont be exported
[CPUFREQ] Eliminate the recent lockdep warnings in cpufreq
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM: Clear -EAGAIN in dpm_prepare
x86: Fix resume from suspend when CONFIG_CC_STACKPROTECTOR
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After some API change, intel_iommu_unmap_range() introduced a assumption that
parameter size != 0, otherwise the dma_pte_clean_range() would have a
overflowed argument. But the user like KVM don't have this assumption before,
then some BUG() triggered.
Fix it by ignoring size = 0.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The f_dev in _request_firmware() is allocated via the fw_setup_device()
and fw_register_device() calls and its class set to firmware_class (the
class release function is fw_dev_release).
Commit 6acf70f078ca replaced the kfree(dev) in fw_dev_release() with a
put_device() call but my understanding is that the release function is
called via put_device -> kobject_put -> kref_put -> koject_release etc.
and it should call kfree since it's the last to see this device
structure alive.
Because of that, the _request_firmware() function on its -ENOENT error
path only calls device_unregister(f_dev) which would eventually call
fw_dev_release() but there is no kfree (the subsequent put_device call
would just make the kref negative).
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: gpio_mouse - use standard driver registration method
Input: mark serio and i8042 as suspended when hibernating too
Input: add support for generic GPIO-based matrix keypad
Input: arrange keyboards alphabetically
Input: gpio-keys - avoid possibility of sleeping in timer function
Input: gpio-keys - revert 'change timer to workqueue'
Input: dm355evm_keys - fix kconfig symbol names
Input: wacom - add DTF720a support and fix rotation on Intuos3
Input: i8042 - more reset quirks for MSI Wind-clone netbooks
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
serial: sh-sci: fix sci interrupt handler
video: hitfb: Move over to dev_pm_ops.
video: hitfb: Convert to framebuffer_alloc().
video: sh_mobile_lcdcfb: Convert to framebuffer_alloc().
sh: add r8a66597 usb0 host to the se7724 board
usb: allow sh7724 to enable on-chip r8a66597
sh-sci: update receive error handling for muxed irqs
sh: define PERF_COUNTER_INDEX_OFFSET.
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This reverts commit 4148df9b0f38bdd362dd91d52076926c11cbe5a9.
Let's hope that the mm_lock initialization is now correct with all
drivers, following Krzysztof's patches.
Requested-by: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove redundant locking by the mm_lock mutex before a second head of
matrox framebuffer is registered.
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove redundant call to the matroxfb_update_fix() before matrox
frambuffer is registered.
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove redundant call to the w100fb_set_par() before w100 frambuffer is
registered.
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove redundant locking of the fb_info->mm_lock mutex before the
frambuffer is registered.
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove redundant call to the encode_fix() before i810 frambuffer is
registered.
This fixes a problem with uninitialized the fb_info->mm_lock mutex
introduced by the commit 537a1bf059f " fbdev: add mutex for fb_mmap
locking"
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When the last device in the dpm list is unregistered directly after its
prepare() callback returned with -EAGAIN, the return code is passed to
the calling function, resulting in a suspend failure. Prevent this by
clearing the return code after -EAGAIN.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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This patch is needed when the gpio's became available only at late
stages, for example, when using i2c gpio expander.
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Serio ports are not being restarted any longer because resume operations
after hibernate do nothing, since the device has not been marked as
suspended. This happens because suspend is only considering the SUSPEND
event but not the FREEZE event.
Note that this driver has still to migrate to dev_pm_ops, but this fixes
this particular bug now.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Fix up the error bit handling on SCI ports.
Signed-off-by: SUGIOKA Toshinobu <sugioka@itonet.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh/for-2.6.31
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A trivial update to move hitfb over to dev_pm_ops.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Follows the sh_mobile_lcdcfb change.
Also fixes up a memory leak with cmap allocation.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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All fb_info structures need to be allocated with framebuffer_alloc() due
to special initialization. Switch over to it.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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OK, I've tried to clean it up the best I could, but please test this with
concurrent cpu hotplug and cpufreq add/remove in loops. I'm sure we will make
other interesting findings.
This is step one of fixing the overall locking dependency mess in cpufreq.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
CC: rjw@sisk.pl
CC: mingo@elte.hu
CC: Shaohua Li <shaohua.li@intel.com>
CC: Pekka Enberg <penberg@cs.helsinki.fi>
CC: Dave Young <hidave.darkstar@gmail.com>
CC: "Rafael J. Wysocki" <rjw@sisk.pl>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: sven.wegener@stealer.net
CC: cpufreq@vger.kernel.org
CC: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>
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Redesign the locking inside conservative driver. Make dbs_mutex handle all the
global state changes inside the driver and invent a new percpu mutex
to serialize percpu timer and frequency limit change.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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Redesign the locking inside ondemand driver. Make dbs_mutex handle all the
global state changes inside the driver and invent a new percpu mutex
to serialize percpu timer and frequency limit change.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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Commit b14893a62c73af0eca414cfed505b8c09efc613c although it was very
much needed to properly cleanup ondemand timer, opened-up a can of worms
related to locking dependencies in cpufreq.
Patch here defines the need for dbs_mutex and cleans up its usage in
ondemand governor. This also resolves the lockdep warnings reported here
http://lkml.indiana.edu/hypermail/linux/kernel/0906.1/01925.html
http://lkml.indiana.edu/hypermail/linux/kernel/0907.0/00820.html
and few others..
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: fix usage of bios intcall()
x86: Remove unused function lapic_watchdog_ok()
x86: Remove unused variable disable_x2apic
x86, kvm: Fix section mismatches in kvm.c
x86: Add missing annotation to arch/x86/lib/copy_user_64.S::copy_to_user
x86: Fix fixmap page order for FIX_TEXT_POKE0,1
amd-iommu: set evt_buf_size correctly
amd-iommu: handle alias entries correctly in init code
x86: Fix printk call in print_local_apic()
x86: Declare check_efer() before it gets used
x86: Mark device_nb as static and fix NULL noise
x86: Remove double declaration of MSR_P6_EVNTSEL0 and MSR_P6_EVNTSEL1
xen: Use kcalloc() in xen_init_IRQ()
x86: Fix fixmap ordering
x86: Fix symbol annotation for arch/x86/lib/clear_page_64.S::clear_page_c
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] amba: fix amba device resources
[ARM] pgtable: file pte layout documentation
[ARM] pgtable: swp pte layout documentation, definitions, and check
[ARM] export __cpu_flush_dcache_page
[ARM] 5576/1: Update kb9202_defconfig
[ARM] 5581/1: U300 clock updates
[ARM] 5579/1: Updated U300 defconfig
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6:
Revert "ide: improve handling of Power Management requests"
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