| Commit message (Collapse) | Author | Age | Files | Lines |
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In the conversion for GEM, we had stopped using the hardware lock to protect
ring usage, since it was all internal to the DRM now. However, some paths
weren't converted to using struct_mutex to prevent multiple threads from
concurrently working on the ring, in particular between the vblank swap handler
and ioctls.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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GEM allows the creation of persistent buffer objects accessible by the
graphics device through new ioctls for managing execution of commands on the
device. The userland API is almost entirely driver-specific to ensure that
any driver building on this model can easily map the interface to individual
driver requirements.
GEM is used by the 2d driver for managing its internal state allocations and
will be used for pixmap storage to reduce memory consumption and enable
zero-copy GLX_EXT_texture_from_pixmap, and in the 3d driver is used to enable
GL_EXT_framebuffer_object and GL_ARB_pixel_buffer_object.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Previously, drivers supporting vblank interrupt waits would run the interrupt
all the time, or all the time that any 3d client was running, preventing the
CPU from sleeping for long when the system was otherwise idle. Now, interrupts
are disabled any time that no client is waiting on a vblank event. The new
method uses vblank counters on the chipsets when the interrupts are turned
off, rather than counting interrupts, so that we can continue to present
accurate vblank numbers.
Co-author: Michel Dänzer <michel@tungstengraphics.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Wrap access to task credentials so that they can be separated more easily from
the task_struct during the introduction of COW creds.
Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id().
Change some task->e?[ug]id to task_e?[ug]id(). In some places it makes more
sense to use RCU directly rather than a convenient wrapper; these will be
addressed by later patches.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: David Airlie <airlied@redhat.com>
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Author: Zhenyu Wang <zhenyu.z.wang@intel.com>
i915: official name for GM45 chipset
Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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[Patch against drm-next. Consider this a trial balloon for our new Linux
development model.]
This is a big chunk of code. Separating it out makes it easier to change
without churn on the main i915_drv.c file (and there will be churn as we
fix bugs and add things like kernel mode setting). Also makes it easier
to share this file with BSD.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Make writeback not get disabled on resume.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Pointed out by Roel Kluin on dri-devel.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This adds the support necessary for allowing ACPI backlight control to
work on some newer Intel-based graphics systems. Tested on Thinkpad T61
and HP 2510p hardware.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
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Some chips were unstable with repeated setup/teardown of the hardware status
page.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This avoids early termination for long-running commands.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Previous attempts at interrupt mitigation had been foiled by i915_wait_irq's
failure to update the sarea seqno value when the status page indicated that
the seqno had already been passed. MSI support has been seen to cut CPU
costs by up to 40% in some workloads by avoiding other expensive interrupt
handlers for frequent graphics interrupts.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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It is already correctly detected by the kernel for use in suspend/resume.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The driver can know what hardware requires MI_BATCH_BUFFER vs
MI_BATCH_BUFFER_START; there's no reason to let user mode configure this.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fix a pointer cast warning in the SIS DRM code.
This was introduced in patch ce65a44de07f73ceda1749812b75086b7add408d.
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fix the SIS DRM memory allocator if the SIS FB built as a module. The SIS DRM
code initialises the mm allocation hooks, but _only_ if the SIS FB is not
built as a module because it depends on CONFIG_FB_SIS, and that's unset if the
SIS FB is not built in. It must check CONFIG_FB_SIS_MODULE as well.
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (25 commits)
staging: at76_usb wireless driver
Staging: workaround build system bug
Staging: Lindent sxg.c
Staging: SLICOSS: Call pci_release_regions at driver exit
Staging: SLICOSS: Fix remaining type names
Staging: SLICOSS: Fix warnings due to static usage
Staging: SLICOSS: lots of checkpatch fixes
Staging: go7007 v4l fixes
Staging: Fix gcc warnings in sxg
Staging: add echo cancelation module
Staging: add wlan-ng prism2 usb driver
Staging: add w35und wifi driver
Staging: USB/IP: add host driver
Staging: USB/IP: add client driver
Staging: USB/IP: add common functions needed
Staging: add the go7007 video driver
Staging: add me4000 pci data collection driver
Staging: add me4000 firmware files
Staging: add sxg network driver
Staging: add Alacritech slicoss network driver
...
Fixed up conflicts due to taint flags changes and MAINTAINERS cleanup in
MAINTAINERS, include/linux/kernel.h and kernel/panic.c.
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Add the at76_usb wireless driver to the staging tree while the
other kernel driver (out of tree) gets rewritten to use the internal
wireless stack.
This patch comes directly from the Fedora kernel tree, with only the
directory placement of the files changed.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is needed as CONFIG_STAGING is set to y, yet there is no code in
drivers/staging/ to build, so the build-in.o doesn't get created
properly. Create a "dummy" module in drivers/staging called staging.c
to work around this bug.
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Lindent drivers/staging/sxg/sxg.c
Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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slic_entry_probe() calls pci_request_regions() but there's no matching
pci_release_regions() at driver's exit or if slic_entry_probe() fails.
Signed-off-by: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix the remaining variables that still had '_t' as a postfix and also
a couple of checkpatch warnings.
Signed-off-by: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix a few warning messages that crept in due to conversion of all the
functions to static
Signed-off-by: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Major cleanups of checkpatch warnings from the slicoss driver.
From: Lior Dotan <liodot@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix up some of the v4l issues that were recently changed to make the
go7007 driver a bit cleaner.
From: Ross Cohen <rcohen@snurgle.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix for compiler warning about format specifier in prints in
drivers/staging/sxg/sxg.c
Prints were using %x to print unsigned long data.
Signed-off-by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is used by mISDN and Zaptel drivers.
From: Steve Underwood <steveu@coppice.org>
From: David Rowe <david@rowetel.com>
Cc: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This adds the wlan-ng prism2 USB driver to the drivers/staging tree.
The code was originally written by the linux-wlan-ng team, patched by
some Novell engineers to properly work on newer kernels, and then hacked
into place in order to get it to build properly in a single subdirectory
within the kernel tree by me.
It supports a wide range of older USB prism2 devices, and contains a
80211 stack to support this single driver.
Cc: Christian Zoz <zoz@suse.de>
Cc: Andreas Gruenbacher <agruen@suse.de>
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Cc: John Linville <linville@tuxdriver.com>
Cc: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: linux-wlan-ng <solomon@linux-wlan.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is driver for w35und usb wifi -- also in kohjinsha
subnotebook. It should work well enough to associate and ping, but it
obviously needs to be rewritten two more times...
OTOH worst horrors (like embedded wifi stack) should have been fixed
already...
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This adds the USB IP client driver
Brian Merrell cleaned up a lot of this code and submitted it for
inclusion. Greg also did a lot of cleanup.
Signed-off-by: Brian G. Merrell <bgmerrell@novell.com>
Cc: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This adds the USB IP client driver
Brian Merrell cleaned up a lot of this code and submitted it for
inclusion. Greg also did a lot of cleanup.
Signed-off-by: Brian G. Merrell <bgmerrell@novell.com>
Cc: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This adds the common functions needed by both the host and client side
of the USB/IP code.
Brian Merrell cleaned up a lot of this code and submitted it for
inclusion. Greg also did a lot of cleanup.
Signed-off-by: Brian G. Merrell <bgmerrell@novell.com>
Cc: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Todo:
- checkpatch.pl cleanups
- sparse cleanups
- lots of little modules, should be merged together
and added to the build.
- testing?
- handle churn in v4l layer.
Many thanks to Ross Cohen <rcohen@snurgle.org> for cleanup patches on
this driver.
Cc: Ross Cohen <rcohen@snurgle.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Originally written by Guenter Gebhardt <g.gebhardt@meilhaus.de>
TODO:
- checkpatch.pl cleanups
- sparse cleanups
- possible /proc interaction cleanups
- more info needed for Kconfig entry
- real device id?
- module parameter cleanup
Cc: Wolfgang Beiter <w.beiter@aon.at>
Cc: Guenter Gebhardt <g.gebhardt@meilhaus.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Originally written by Guenter Gebhardt <g.gebhardt@meilhaus.de>
TODO:
move this to the request_firmware() interface
Cc: Wolfgang Beiter <w.beiter@aon.at>
Cc: Guenter Gebhardt <g.gebhardt@meilhaus.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is the first rough cut at a driver for the Alacritech SLIC
Technology Non-Accelerated 10Gbe network driver
TODO:
- lindent the code
- remove typedefs
- remove wrappers
- checkpatch.pl cleanups
- new functionality that the card needs
Cc: Christopher Harrer <charrer@alacritech.com>
Cc: Michael Miles <mmiles@alacritech.com>
Cc: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This adds the Alacritech slicoss driver to the tree.
This driver is supposed to support:
Mojave cards (single port PCI Gigabit) both copper and fiber
Oasis cards (single and dual port PCI-x Gigabit) copper and fiber
Kalahari cards (dual and quad port PCI-e Gigabit) copper and fiber
The driver was acutally tested on Oasis and Kalahari cards.
TODO:
- move firmware loading to request_firmware()
- remove direct memory access of structures
- any remaining sparse and checkpatch.pl warnings
- any netdev recommended changes
Many thanks to Lior Dotan <liodot@gmail.com> for help with the cleanup
of this driver.
Cc: Lior Dotan <liodot@gmail.com>
Cc: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is a driver for the ET1310 network device.
Based on the driver found at https://sourceforge.net/projects/et131x/
Cleaned up immensely by Olaf Hartman <o.hartmann@telovital.com> and Christoph
Hellwig <hch@infradead.org>
Note, the powermanagement options were removed from the vendor provided
driver as they did not build properly at the time.
TODO:
- kernel coding style cleanups
- forward port for latest network driver changes
- kill useless typecasts (e.g. in et1310_phy.c)
- alloc_etherdev is initializing memory with zero?!?
- add_timer call in et131x_netdev.c is correct?
- Add power saving functionality (suspend, sleep, resume)
- Implement a few more kernel Parameter (set mac )
Cc: Olaf Hartmann <o.hartmann@telovital.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dean Adams <dadams1969@gmail.com>
Cc: Victor Soriano <vjsoriano@agere.com>
Cc: Andre-Sebastian Liebe <andre@lianse.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This hooks up the drivers/staging directory to the build system
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6: (47 commits)
hwmon: (adm1026) Prevent log spamming
hwmon: (adm1026) Fix debug messages
hwmon: (adm1029) Use mask for fan_div value
hwmon: (adt7470) Add documentation
hwmon: (ibmaem) Automatically load on IBM systems via DMI
hwmon: (ibmpex) Automatically load on IBM systems via DMI
hwmon: (w83781d) Use new style driver binding
hwmon: (w83781d) Stop abusing struct i2c_client for ISA devices
hwmon: (w83781d) Make ISA interface depend on CONFIG_ISA
hwmon: (w83781d) Additional information about AS99127F PWM
hwmon: (w83781d) Detect alias chips
hwmon: (w83781d) Refactor beep enable handling
hwmon: Drop dead links to old National Semiconductor chip datasheets
hwmon: (w83791d) add support for thermal cruise mode
hwmon: (w83791d) add pwm_enable support
hwmon: (w83791d) add manual PWM support
hwmon: (w83791d) fan 4/5 pins can also be used for gpio
hwmon: (max1619) Use inline functions instead of macros
hwmon: (it87) Fix thermal sensor type values
hwmon: (lm78) Convert to a new-style i2c driver
...
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When debugging is enabled, the adm1026 driver currently logs the
message "Setting VID from GPIO11-15" 108 times each time you run
"sensors". Once should be enough.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Philip Pokorny <ppokorny@penguincomputing.com>
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* Add missing new-line to one debug message.
* Remove leading colon from 3 debug messages.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Philip Pokorny <ppokorny@penguincomputing.com>
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This is my patch for testing correct values of fan div in adm1029 and
prevent a division by 0 for some (unlikely) register values.
Signed-off-by: Corentin Labbe <corentin.labbe@geomatys.fr>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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This patch modifies the w83781d driver to use new style driver binding.
Substantial code modifications are required to deal with the new
interface, especially legacy device detection.
[JD: largely edited to make the patch smaller and to get the driver
to work again on ISA devices.]
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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Upcoming changes to the I2C part of the w83781d driver will cause ISA
devices to no longer have a struct i2c_client at hand. So, we must
stop (ab)using it now.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
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