aboutsummaryrefslogtreecommitdiff
path: root/drivers
AgeCommit message (Collapse)Author
2010-09-08Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
2010-09-08KS8851: Correct RX packet allocationEric Dumazet
Use netdev_alloc_skb_ip_align() helper and do correct allocation Tested-by: Abraham Arce <x0066660@ti.com> Signed-off-by: Abraham Arce <x0066660@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-08niu: Fix kernel buffer overflow for ETHTOOL_GRXCLSRLALLBen Hutchings
niu_get_ethtool_tcam_all() assumes that its output buffer is the right size, and warns before returning if it is not. However, the output buffer size is under user control and ETHTOOL_GRXCLSRLALL is an unprivileged ethtool command. Therefore this is at least a local denial-of-service vulnerability. Change it to check before writing each entry and to return an error if the buffer is already full. Compile-tested only. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-07Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: bus speed strings should be const PCI hotplug: Fix build with CONFIG_ACPI unset PCI: PCIe: Remove the port driver module exit routine PCI: PCIe: Move PCIe PME code to the pcie directory PCI: PCIe: Disable PCIe port services during port initialization PCI: PCIe: Ask BIOS for control of all native services at once ACPI/PCI: Negotiate _OSC control bits before requesting them ACPI/PCI: Do not preserve _OSC control bits returned by a query ACPI/PCI: Make acpi_pci_query_osc() return control bits ACPI/PCI: Reorder checks in acpi_pci_osc_control_set() PCI: PCIe: Introduce commad line switch for disabling port services PCI: PCIe AER: Introduce pci_aer_available() x86/PCI: only define pci_domain_nr if PCI and PCI_DOMAINS are set PCI: provide stub pci_domain_nr function for !CONFIG_PCI configs
2010-09-07Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds
* 'for-linus' of git://neil.brown.name/md: md: resolve confusion of MD_CHANGE_CLEAN md: don't clear MD_CHANGE_CLEAN in md_update_sb() for external arrays Move .gitignore from drivers/md to lib/raid6
2010-09-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: Revert "hwrng: n2-drv - remove casts from void*" crypto: testmgr - Default to no tests crypto: testmgr - Fix test disabling option crypto: hash - Fix handling of small unaligned buffers
2010-09-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (26 commits) pkt_sched: Fix lockdep warning on est_tree_lock in gen_estimator ipvs: avoid oops for passive FTP Revert "sky2: don't do GRO on second port" gro: fix different skb headrooms bridge: Clear INET control block of SKBs passed into ip_fragment(). 3c59x: Remove incorrect locking; correct documented lock hierarchy sky2: don't do GRO on second port ipv4: minor fix about RPF in help of Kconfig xfrm_user: avoid a warning with some compiler net/sched/sch_hfsc.c: initialize parent's cl_cfmin properly in init_vf() pxa168_eth: fix a mdiobus leak net sched: fix kernel leak in act_police vhost: stop worker only if created MAINTAINERS: Add ehea driver as Supported ath9k_hw: fix parsing of HT40 5 GHz CTLs ath9k_hw: Fix EEPROM uncompress block reading on AR9003 wireless: register wiphy rfkill w/o holding cfg80211_mutex netlink: Make NETLINK_USERSOCK work again. irda: Correctly clean up self->ias_obj on irda_bind() failure. wireless extensions: fix kernel heap content leak ...
2010-09-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: Staging: wlan-ng: Explicitly set some fields in cfg80211 interface Staging: octeon: depends on NETDEVICES Staging: spectra: depend on X86_MRST Staging: zram: free device memory when init fails Staging: rt2870sta: Add more device IDs from vendor drivers staging: comedi das08_cs.c: Fix io_req_t conversion staging: spectra needs <linux/slab.h> staging: hv: Fixed lockup problem with bounce_buffer scatter list staging: hv: Increased storvsc ringbuffer and max_io_requests staging: hv: Fixed the value of the 64bit-hole inside ring buffer staging: hv: Fixed bounce kmap problem by using correct index staging: hv: Fix missing functions for net_device_ops
2010-09-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: USB: ftdi_sio: Added custom PIDs for ChamSys products USB: cdc-acm: Fixing crash when ACM probing interfaces with no endpoint descriptors. USB: cdc-acm: Add pseudo modem without AT command capabilities USB: cxacru: Use a bulk/int URB to access the command endpoint usb: serial: mos7840: Add USB IDs to support more B&B USB/RS485 converters. USB: cdc-acm: Adding second ACM channel support for various Nokia and one Samsung phones usb: serial: mos7840: Add USB ID to support the B&B Electronics USOPTL4-2P. USB: ssu100: turn off debug flag usb: allow drivers to use allocated bandwidth until unbound USB: cp210x usb driver: add USB_DEVICE for Pirelli DP-L10 mobile. USB: cp210x: Add B&G H3000 link cable ID USB: CP210x Add new device ID USB: option: fix incorrect novatel entries USB: Fix kernel oops with g_ether and Windows USB: rndis: section mismatch fix USB: ehci-ppc-of: problems in unwind USB: s3c-hsotg: Remove DEBUG define
2010-09-07Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: tty: fix tty_line must not be equal to number of allocated tty pointers in tty driver serial: bfin_sport_uart: restore transmit frame sync fix serial: fix port type conflict between NS16550A & U6_16550A MAINTAINERS: orphan isicom vt: Fix console corruption on driver hand-over.
2010-09-07Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6Linus Torvalds
* 'linux-next' of git://git.infradead.org/ubi-2.6: UBI: do not oops when erroneous PEB is scheduled for scrubbing UBI: fix kconfig unmet dependency UBI: fix forward compatibility UBI: eliminate update of list_for_each_entry loop cursor
2010-09-07Merge branch 'drm-intel-fixes' of git://anongit.freedesktop.org/~ickle/drm-intelLinus Torvalds
* 'drm-intel-fixes' of git://anongit.freedesktop.org/~ickle/drm-intel: (25 commits) intel_agp,i915: Add more sandybridge graphics device ids drm/i915: Enable MI_FLUSH on Sandybridge agp/intel: Fix cache control for Sandybridge agp/intel: use #ifdef idiom for intel-agp.h agp/intel: fix physical address mask bits for sandybridge drm/i915: Prevent double dpms on drm/i915: Avoid use of uninitialised values when disabling panel-fitter drm/i915: Avoid pageflipping freeze when we miss the flip prepare interrupt drm/i915: Tightly scope intel_encoder to prevent invalid use drm/i915: Allocate the PCI resource for the MCHBAR drm/i915/dp: Really try 5 times before giving up. drm/i915/sdvo: Restore guess of the DDC bus in absence of VBIOS drm/i915/dp: Boost timeout for enabling transcoder to 100ms drm/i915: Re-use set_base_atomic to share setting of the display registers drm/i915: Fix offset page-flips on i965+ drm/i915: Include a generation number in the device info i915: return -EFAULT if copy_to_user fails i915: return -EFAULT if copy_to_user fails agp/intel: Promote warning about failure to setup flush to error. drm/i915: overlay on gen2 can't address above 1G ...
2010-09-07via-velocity: Turn scatter-gather support back off.David S. Miller
It causes all kinds of DMA API debugging assertions and all straight-forward attempts to fix it have failed. So turn off SG, and we'll tackle making this work properly in net-next-2.6 Reported-by: Dave Jones <davej@redhat.com> Tested-by: Dave Jones <davej@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-07PATCH: b44 Handle RX FIFO overflow better (simplified)Mark Lord
This patch is a simplified version of the original patch from James Courtier-Dutton. >From: James Courtier-Dutton >Subject: [PATCH] Fix b44 RX FIFO overflow recovery. >Date: Wednesday, June 30, 2010 - 1:11 pm > >This patch improves the recovery after a RX FIFO overflow on the b44 >Ethernet NIC. >Before it would do a complete chip reset, resulting is loss of link >for a few seconds. >This patch improves this to do recovery in about 20ms without loss of link. > >Signed off by: James@superbug.co.uk Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-073c59x: Fix deadlock in vortex_error()Ben Hutchings
This fixes a bug introduced in commit de847272149365363a6043a963a6f42fb91566e2 "3c59x: Use fine-grained locks for MII and windowed register access". vortex_interrupt() holds vp->window_lock over multiple register accesses to reduce locking overhead. However it also needs to call vortex_error() sometimes, and that uses the regular functions for access to windowed registers, which will try to acquire window_lock again. Therefore, drop window_lock around the call to vortex_error() and set the window afterward reacquiring the lock. Since vortex_error() may call vortex_rx(), which *does* require its caller to hold window_lock, lift that call up into vortex_interrupt(). This also removes the potential for calling vortex_rx() on a later-generation NIC. Reported-and-tested-by: Jens Schüßler <jgs@trash.net> [in Debian's 2.6.32] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-07bonding: Fix jiffies overflow problems (again)Jiri Bohac
The time_before_eq()/time_after_eq() functions operate on unsigned long and only work if the difference between the two compared values is smaller than half the range of unsigned long (31 bits on i386). Some of the variables (slave->jiffies, dev->trans_start, dev->last_rx) used by bonding store a copy of jiffies and may not be updated for a long time. With HZ=1000, time_before_eq()/time_after_eq() will start giving bad results after ~25 days. jiffies will never be before slave->jiffies, dev->trans_start, dev->last_rx by more than possibly a couple ticks caused by preemption of this code. This allows us to detect/prevent these overflows by replacing time_before_eq()/time_after_eq() with time_in_range(). Signed-off-by: Jiri Bohac <jbohac@suse.cz> Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-07stmmac: fix sleep inside atomicGiuseppe Cavallaro
We cannot use spinlock when kmalloc is invoked with GFP_KERNEL flag because it can sleep. So this patch reviews the usage of spinlock within the stmmac_resume function avoing this bug. Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Reported-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-07intel_agp,i915: Add more sandybridge graphics device idsZhenyu Wang
New pci ids for GT2 and GT2+ on desktop and mobile sandybridge, and graphics device ids for server sandybridge. Also rename original ids string to reflect GT1 version. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07drm/i915: Enable MI_FLUSH on SandybridgeZhenyu Wang
MI_FLUSH is being deprecated, but still available on Sandybridge. Make sure it's enabled as userspace still uses MI_FLUSH. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07agp/intel: Fix cache control for SandybridgeZhenyu Wang
Sandybridge GTT has new cache control bits in PTE, which controls graphics page cache in LLC or LLC/MLC, so we need to extend the mask function to respect the new bits. And set cache control to always LLC only by default on Gen6. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07agp/intel: use #ifdef idiom for intel-agp.hZhenyu Wang
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07agp/intel: fix physical address mask bits for sandybridgeZhenyu Wang
It should shift bit 39-32 into pte's bit 11-4. Reported-by:Takashi Iwai <tiwai@suse.de> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: stable@kernel.org Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07drm/i915: Prevent double dpms onChris Wilson
Arguably this is a bug in drm-core in that we should not be called twice in succession with DPMS_ON, however this is still occuring and we see FDI link training failures on the second call leading to the occassional blank display. For the time being ignore the repeated call. Original patch by Dave Airlie <airlied@redhat.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
2010-09-07drm/i915: Avoid use of uninitialised values when disabling panel-fitterChris Wilson
We were passing garbage values into the panel-fitter control register when disabling it on Ironlake - those values (filter modes and reserved MBZ bits) would have then be re-used the next time panel-fitting was enabled. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07drm/i915: Avoid pageflipping freeze when we miss the flip prepare interruptSimon Farnsworth
When we miss the flip prepare interrupt, we never get into the software state needed to restart userspace, resulting in a freeze of a full-screen OpenGL application (such as a compositor). Work around this by checking DSPxSURF/DSPxBASE to see if the page flip has actually happened. If it has, do the work we would have done when the flip prepare interrupt comes in. Also, add debugfs information to tell us what's going on (based on the patch from Chris Wilson attached to bugs.fdo bug #29798). Signed-off-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07drm/i915: Tightly scope intel_encoder to prevent invalid useChris Wilson
We reset intel_encoder for every matching encoder whilst iterating over the encoders attached to this crtc when changing mode. As such in a cloned configuration intel_encoder may not correspond to the correct is_edp encoder. By scoping intel_encoder to the loop, not only is the compiler able to spot this mistake, we also improve readiability for ourselves. [It might not be a mistake, within this function it is unclear as to whether it is permissable for eDP to be cloned...] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07drm/i915: Allocate the PCI resource for the MCHBARChris Wilson
We were failing when trying to allocate the resource for MMIO of the MCHBAR because we forgot to specify what type of resource we wanted. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: stable@kernel.org Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-09-07drm/i915/dp: Really try 5 times before giving up.Chris Wilson
Only stop trying if the aux channel sucessfully reports that the transmission was completed, otherwise try again. On the 5th failure, bail and report that something is amiss. This fixes a sporadic failure in reading the EDID for my external panel over DP. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
2010-09-07drm/i915/sdvo: Restore guess of the DDC bus in absence of VBIOSChris Wilson
If the VBIOS tells us the mapping of the SDVO device onto the DDC bus, use it. However, if there is no VBIOS available that mapping is uninitialised and we should fallback to our earlier guess. Fix regression introduced in b1083333 (which in turn is a fix for the regression caused by the introduction of this guess, 14571b4). References: Bug 29499 - [945GM] Screen disconnected because of missing VBIOS https://bugs.freedesktop.org/show_bug.cgi?id=29499 Bug 15109 - i945GM fails to detect EDID on DVI port https://bugzilla.kernel.org/show_bug.cgi?id=15109 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reported-and-tested-by: Paul Neumann <paul104x@yahoo.de> Cc: Adam Jackson <ajax@redhat.com> Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: stable@kernel.org
2010-09-07drm/i915/dp: Boost timeout for enabling transcoder to 100msChris Wilson
Adam Hill reported that his Arrandale system required a much longer, up to 200x500us, wait for the panel to initialise or else modesetting would fail. References: https://bugs.freedesktop.org/show_bug.cgi?id=29141 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reported-and-tested-by: Adam Hill <sidepipeuk@yahoo.co.uk>
2010-09-07drm/i915: Re-use set_base_atomic to share setting of the display registersChris Wilson
Lets try to avoid repeating old bugs. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-09-07drm/i915: Fix offset page-flips on i965+Chris Wilson
i965 uses the Display Registers to compute the offset from the display base so the new base does not need adjusting when flipping. The older chipsets use a fence to access the display and so do perceive the surface as linear and have a single base register which is reprogrammed using the flip. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Reported-by: Marty Jack <martyj19@comcast.net> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-09-07drm/i915: Include a generation number in the device infoChris Wilson
To simplify the IS_GEN[234] macros and to enable switching. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-06i915: return -EFAULT if copy_to_user failsDan Carpenter
copy_to_user() returns the number of bytes remaining to be copied and I'm pretty sure we want to return a negative error code here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
2010-09-06i915: return -EFAULT if copy_to_user failsDan Carpenter
copy_to_user returns the number of bytes remaining to be copied, but we want to return a negative error code here. These are returned to userspace. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
2010-09-06agp/intel: Promote warning about failure to setup flush to error.Chris Wilson
Make sure we always detect when we fail to correctly allocate the Isoch Flush Page and print an error to warn the user about the likely memory corruption that will result in invalid rendering or worse. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
2010-09-06drm/i915: overlay on gen2 can't address above 1GDaniel Vetter
So set the coherent dma mask accordingly. This dma mask is only used for physical objects, so it won't really matter allocation-wise. Now this never really surfaced because sane 32bit kernels only have 1G of lowmem. But some eager testers (distros?) still carry around the patch to adjust lowmem via a kconfig option. And the kernel seems to favour high allocations on boot-up, hence the overlay blowing up reliably. Because the patch is tiny and nicely shows how broken gen2 is it's imho worth to merge despite the fact that mucking around with the lowmem/ highmem division is (no longer) supported. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=28318 Cc: stable@kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-06drm/i915: Clear the vblank status bit before polling for the next vblankChris Wilson
The vblank status bit is a sticky bit that must be cleared with a write of '1' prior to polling for the next vblank. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com> jbarnes: I'd still rather see a lock, but I think you're right that we don't generally wait in code that needs not to miss an interrupt. Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-09-06i915: Fix spurious TV detection after 9d0498a2bf + 9559fcdbffPekka Enberg
Partial revert of 9d0498a2bf. Signed-off-by: Pekka Enberg <penberg@kernel.org> Tested-by: Hugh Dickins <hughd@google.com> Tested-by: Sven Joachim <svenjoac@gmx.de> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-06i915: revert some checks added by commit 32aad86fPavel Roskin
This fixes blur-like screen corruption on the following card: VGA compatible controller [0300]: Intel Corporation 82G33/G31 Express Integrated Graphics Controller [8086:29c2] (rev 10) intel_sdvo_mode_set() should not return prematurely just because some features are not supported. https://bugzilla.kernel.org/show_bug.cgi?id=17151 Signed-off-by: Pavel Roskin <proski@gnu.org> Reported-by: Jonathan Corbet <corbet@lwn.net> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> [ickle: Relax a couple more checks for failing LVDS modesetting] Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-06Revert "drm/i915: Unreference object not handle on creation"Chris Wilson
This reverts commit 86f100b136626e91f4f66f3776303475e2e58998. The kref API requires the handlecount to be initialised to one on object creation (so that kref_get() doesn't complain upon first use) so the dalliance in the drivers is required in order to sink the initial floating reference. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org
2010-09-06drivers/gpu/drm/i915/intel_overlay.c needs seq_file.hAndrew Morton
drivers/gpu/drm/i915/intel_overlay.c: In function 'intel_overlay_print_error_state': drivers/gpu/drm/i915/intel_overlay.c:1467: error: implicit declaration of function 'seq_printf' Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16811 Reported-by: Martin Ziegler <ziegler@uni-freiburg.de> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Eric Anholt <eric@anholt.net> Cc: Dave Airlie <airlied@linux.ie> Cc: Andre Muller <andremuellerster@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-09-07drm: Do not force 1024x768 modes on unknown connectorsChris Wilson
Only fallback to a set of default modes on a connector iff that connector is known to be connected. The issue occurs that with limited hardware which cannot probe a connector and so reports the connector status as unknown will then attempt to retrieve the modes for it during drm_helper_probe_single_connector_modes(). Should that fail, the helper then generates a default set which fools the fb_helper and causes havoc with the console and beyond. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-09-07drm/kms: Add a module parameter to disable pollingChris Wilson
Polling for a VGA device on an old system can be quite expensive, causing latencies on the order of 600ms. As we hold the mode mutex for this time and also need the same mutex to move the cursor, we trigger a user-visible stall. The real solution would involve improving the granulatity of the locking and so perhaps performing some of the probing not under the lock or some other updates can be done under different locks. Also reducing the cost of probing for a non-existent monitor would be worthwhile. However, exposing a parameter to disable polling is a simple workaround in the meantime. In order to accommodate users turning polling on and off at runtime, the polling is potentially re-enabled on every probe. This is coupled to the user calling xrandr, which seems to be a vaild time to reset the polling timeout since the information on the connection has just been updated. (The presumption being that all connections are probed in a single xrandr pass, which is currently valid.) References: Bug 29536 - 2.6.35 causes ~600ms latency every 10s https://bugs.freedesktop.org/show_bug.cgi?id=29536 Bug 16265 - Why is kslowd accumulating so much CPU time? https://bugzilla.kernel.org/show_bug.cgi?id=16265 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reported-and-tested-by: Bruno Prémont <bonbons@linux-vserver.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-09-07drm/radeon/kms: fix tv-out on avivo asicsAlex Deucher
digital underscan support regressed tv-out. fixes: https://bugs.freedesktop.org/show_bug.cgi?id=29985 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-09-07drm/radeon/kms/evergreen: fix gpu hangs in userspace accel codeAlex Deucher
These VGT regs need to be programmed via the ring rather than MMIO as on previous asics (r6xx/r7xx). Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-09-03Staging: wlan-ng: Explicitly set some fields in cfg80211 interfaceKarl Relton
The cfg80211 api has introduced a few new fields. Rather than assume what cfg80211 api does by default, set these explicitly. Signed-off-by: Karl Relton <karllinuxtest.relton@ntlworld.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-09-03Staging: octeon: depends on NETDEVICESRandy Dunlap
OCTEON_ETHERNET should depend on NETDEVICES. Fixes this kconfig warning: warning: (NET_DSA && NET && EXPERIMENTAL && NETDEVICES && !S390 || ... || OCTEON_ETHERNET && STAGING && !STAGING_EXCLUDE_BUILD && CPU_CAVIUM_OCTEON) selects PHYLIB which has unmet direct dependencies (!S390 && NETDEVICES) Reported-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: support@caviumnetworks.com Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-09-03Staging: spectra: depend on X86_MRSTJeff Mahoney
lld_nand fails to build on arches without virt_to_bus. Since this driver is specifically for hardware enablment on Moorestown, this patch adds Moorestown MID support as a dependency. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-09-03Staging: zram: free device memory when init failsShahar Havivi
Signed-off-by: Shahar Havivi <shaharh@redhat.com> Cc: Nitin Gupta <ngupta@vflare.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>