- 23 Oct, 2009 2 commits
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Jesse Barnes authored
When coming back from DPMS or turning on a display, make sure we have the watermarks set up before turning on the display plane, otherwise we may get underruns. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Tested-by: Dirk Hohndel <hohndel@infradead.org> Signed-off-by: Eric Anholt <eric@anholt.net>
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Jesse Barnes authored
Turns out G4x needs to have sensible watermarks set, especially for self-refresh enabled modes. Add support for it. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Tested-by: Dirk Hohndel <hohndel@infradead.org> Signed-off-by: Eric Anholt <eric@anholt.net>
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- 19 Oct, 2009 3 commits
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Zhenyu Wang authored
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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Zhenyu Wang authored
Must set filter selection as hardcoded coefficients for medium 3x3 filtering, which matches vbios setting for Ironlake. This fixes display corrupt issue on HP arrandale with new vbios. Cc: Stable Team <stable@kernel.org> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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Zhenyu Wang authored
For new stepping of PCH, the display reference clock is fully under driver's control. This one trys to setup all needed reference clock for different outputs. Older stepping of PCH chipset should be ignoring this. This fixes output failure issue on newer PCH which requires driver to take control of reference clock enabling. Cc: Stable Team <stable@kernel.org> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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- 15 Oct, 2009 2 commits
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Chris Wilson authored
To enable framebuffer compression on a g4x, we not only need the buffer to tiled (X only), we also need to hold a fence register for the buffer. Currently we only install a fence register for pre-i965s when setting up the scanout buffer. Rather than adding some convoluted logic to g4x_enable_fbc() to acquire a fence register, and perhaps to g4x_disable_fbc() to release it again, we can extend the acquisition during setup to all chipsets. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
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Jesse Barnes authored
Turns out some machines, like the ThinkPad X40 don't come back if you don't save/restore this register. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
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- 13 Oct, 2009 6 commits
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Zhenyu Wang authored
FDI M/N calculation hasn't taken the current pipe color depth into account, but always set as 24bpp. This one checks current pipe color depth setting, and change FDI M/N calculation a little to use bits_per_pixel first, then convert to bytes_per_pixel later. This fixes display corrupt issue on Arrandle LVDS with 1600x900 panel in 18bpp dual-channel mode. Cc: Stable Team <stable@kernel.org> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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Zhenyu Wang authored
Until we figure out the right setting for powersave features on Ironlake, disable it for now. Also disable watermark update, which has new registers for it on Ironlake too. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> [anholt: Resolved against the Pineview FBC changes] Signed-off-by: Eric Anholt <eric@anholt.net>
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Andy Lutomirski authored
If the device didn't support EDP, we would bail out too soon. Signed-off-by: Andy Lutomirski <luto@mit.edu> [anholt: Pulled this patch out of the patch for adding quirks to enable reclocking.] Signed-off-by: Eric Anholt <eric@anholt.net>
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Jesse Barnes authored
This hasn't fixed the regressions we were testing against, but clearly should be required. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>
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Zhao Yakui authored
According to the spec the LVDS_BORDER_ENABLE bit decides whether the border data should be included in the active display and data sent to the panel. Border should be used when in VGA centered (un-scaled) mode or when scaling a 4:3 source image to a wide screen panel (typical 16:9). So when the LVDS scaling is used, decide whether the LVDS_BORDER should be enabled or not according to the current scaling mode. At the same time fix the typo error in LVDS center scaling mode. https://bugs.freedesktop.org/show_bug.cgi?id=23789Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> tested-by: Zhao Jian <jian.zhao@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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Shaohua Li authored
Pineview doesn't have this FBC mechanism, so this code doesn't apply. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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- 11 Oct, 2009 10 commits
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Linus Torvalds authored
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Yinghai Lu authored
As reported in http://bugzilla.kernel.org/show_bug.cgi?id=13940 on some system when acpi are enabled, acpi clears some BAR for some devices without reason, and kernel will need to allocate devices for them. It then apparently hits some undocumented resource conflict, resulting in non-working devices. Try to increase alignment to get more safe range for unassigned devices. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git390.marist.edu/pub/scm/linux-2.6Linus Torvalds authored
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (21 commits) [S390] dasd: fix race condition in resume code [S390] Add EX_TABLE for addressing exception in usercopy functions. [S390] 64-bit register support for 31-bit processes [S390] hibernate: Use correct place for CPU address in lowcore [S390] pm: ignore time spend in suspended state [S390] zcrypt: Improve some comments [S390] zcrypt: Fix sparse warning. [S390] perf_counter: fix vdso detection [S390] ftrace: drop nmi protection [S390] compat: fix truncate system call wrapper [S390] Provide arch specific mdelay implementation. [S390] Fix enabled udelay for short delays. [S390] cio: allow setting boxed devices offline [S390] cio: make not operational handling consistent [S390] cio: make disconnected handling consistent [S390] Fix memory leak in /proc/cio_ignore [S390] cio: channel path memory leak [S390] module: fix memory leak in s390 module loader [S390] Enable kmemleak on s390. [S390] 3270 console build fix ...
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Bernd Schmidt authored
An interestingly corrupted romfs file system exposed a problem with the romfs_dev_strnlen function: it's passing the wrong value to its helpers. Rather than limit the string to the length passed in by the callers, it uses the size of the device as the limit. Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (32 commits) USB: serial: no unnecessary GFP_ATOMIC in oti6858 USB: serial: fix race between unthrottle and completion handler in visor USB: serial: fix assumption that throttle/unthrottle cannot sleep USB: serial: fix race between unthrottle and completion handler in symbolserial USB: serial: fix race between unthrottle and completion handler in opticon USB: ehci: Fix isoc scheduling boundary checking. USB: storage: When a device returns no sense data, call it a Hardware Error USB: small fix in error case of suspend in generic usbserial code USB: visor: fix trivial accounting bug in visor driver USB: Fix throttling in generic usbserial driver USB: cp210x: Add support for the DW700 UART USB: ipaq: fix oops when device is plugged in USB: isp1362: fix build warnings on 64-bit systems USB: gadget: imx_udc: Use resource size USB: storage: iRiver P7 UNUSUAL_DEV patch USB: musb: make HAVE_CLK support optional USB: xhci: Fix dropping endpoints from the xHC schedule. USB: xhci: Don't wait for a disable slot cmd when HC dies. USB: xhci: Handle canceled URBs when HC dies. USB: xhci: Stop debugging polling loop when HC dies. ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: Staging: comedi: fix build on arches that don't want comedi drivers Staging: comedi: pcmcia irq fixes Staging: comedi: ni_pcimio: Added device id for pxi-6225. Staging: comedi: ni_65xx.c: fix output inversion problem. Staging: comedi: ni_65xx.c: fix insn_bits shift calculation. Staging: comedi: s526: fixes for pulse generator Staging: comedi: s526: Take account of arch's byte order. Staging: comedi: s526: Get rid of global variable 'cmReg'. Staging: comedi: s526: Fix number of channels on DIO subdevice Staging: comedi: cb_pcidio: fix "section mismatch" error Staging: comedi: jr3_pci: Initialize transf variable fully in jr3_pci_poll_subdevice(). Staging: comedi: Corrected type of a printk argument in resize_async_buffer(). Staging: p9auth: a few fixes Staging: rtl8192e: Add #include <linux/vmalloc.h> Staging: iio: Don't build on s390 Staging: winbond: implement prepare_multicast and fix API usage Staging: w35und: Fix ->beacon_int breakage Staging: remove cowloop driver Staging: remove agnx driver Staging: comedi: serial2002: fix include build issue
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/stagingLinus Torvalds authored
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (s3c-hwmon) Disable build for S3C64xx MAINTAINERS: Fix Riku Voipio's address hwmon: (asus_atk0110) Enable the EC hwmon: (asus_atk0110) Refactor the code hwmon: (sht15) Fix spurious section mismatch warning
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix file clone ioctl for bookend extents Btrfs: fix uninit compiler warning in cow_file_range_nocow Btrfs: constify dentry_operations Btrfs: optimize back reference update during btrfs_drop_snapshot Btrfs: remove negative dentry when deleting subvolumne Btrfs: optimize fsync for the single writer case Btrfs: async delalloc flushing under space pressure Btrfs: release delalloc reservations on extent item insertion Btrfs: delay clearing EXTENT_DELALLOC for compressed extents Btrfs: cleanup extent_clear_unlock_delalloc flags Btrfs: fix possible softlockup in the allocator Btrfs: fix deadlock on async thread startup
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Alexey Dobriyan authored
After m68k's task_thread_info() doesn't refer to current, it's possible to remove sched.h from interrupt.h and not break m68k! Many thanks to Heiko Carstens for allowing this. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (34 commits) [SCSI] qla2xxx: Fix NULL ptr deref bug in fail path during queue create [SCSI] st: fix possible memory use after free after MTSETBLK ioctl [SCSI] be2iscsi: Moving to pci_pools v3 [SCSI] libiscsi: iscsi_session_setup to allow for private space [SCSI] be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver [SCSI] zfcp: Fix hang when offlining device with offline chpid [SCSI] zfcp: Fix lockdep warning when offlining device with offline chpid [SCSI] zfcp: Fix oops during shutdown of offline device [SCSI] zfcp: Fix initial device and cfdc for delayed adapter allocation [SCSI] zfcp: correctly initialize unchained requests [SCSI] mpt2sas: Bump version 02.100.03.00 [SCSI] mpt2sas: Support dev remove when phy status is MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT [SCSI] mpt2sas: Timeout occurred within the HANDSHAKE logic while waiting on firmware to ACK. [SCSI] mpt2sas: Call init_completion on a per request basis. [SCSI] mpt2sas: Target Reset will be issued from Interrupt context. [SCSI] mpt2sas: Added SCSIIO, Internal and high priority memory pools to support multiple TM [SCSI] mpt2sas: Copyright change to 2009. [SCSI] mpt2sas: Added mpi2_history.txt for MPI2 headers. [SCSI] mpt2sas: Update driver to MPI2 REV K headers. [SCSI] bfa: Brocade BFA FC SCSI driver ...
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- 09 Oct, 2009 17 commits
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Oliver Neukum authored
GFP_ATOMIC without good cause is evil. Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Oliver Neukum authored
usb:usbserial:visor: fix race between unthrottle and completion handler visor_unthrottle() mustn't resubmit the URB unconditionally as the URB may still be running. the same bug as opticon. Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Oliver Neukum authored
many serial subdrivers are clearly written as if throttle/unthrottle cannot sleep. This leads to unneeded atomic submissions. This patch converts affected drivers in a way to makes very clear that throttle/unthrottle can sleep. Thus future misdesigns can be avoided and efficiency and reliability improved. This removes any such assumption using GFP_KERNEL and spin_lock_irq() Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Oliver Neukum authored
usb:usbserial:symbolserial: fix race between unthrottle and completion handler symbol_unthrottle() mustn't resubmit the URB unconditionally as the URB may still be running. the same bug as opticon. Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Oliver Neukum authored
usb:usbserial:opticon: fix race between unthrottle and completion handler opticon_unthrottle() mustn't resubmit the URB unconditionally as the URB may still be running. Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Sarah Sharp authored
The EHCI driver does some bounds checking when it's scheduling an iTD for an active endpoint. It sets the local variable start to stream->next_uframe and moves that variable further in the schedule if necessary. However, the driver fails to do anything with start before jumping to the ready label and setting the URB's starting frame to stream->next_uframe. Alan Stern confirms the EHCI driver should set stream->next_uframe to start before jumping. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Stern authored
This patch (as1294) fixes a problem that has plagued users for several kernel releases. Some USB mass-storage devices don't return any sense data when they encounter certain kinds of errors. The SCSI layer interprets this to mean that the operation should be retried, and the same thing happens -- over and over again with no limit. In some circumstances (such as when a bus reset occurs) that is the right thing to do, but not here. The patch checks for this condition (a transport failure with no sense data) and changes the result code to DID_ERROR and the sense code to Hardware Error. This does get only a limited number of retries, and so the command will fail relatively quickly instead of getting stuck in an infinite loop. This fixes a large part of Bugzilla #14118. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Tested-by: Mantas Mikulenas <grawity@gmail.com> CC: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Oliver Neukum authored
usb:usbserial: fix flags in error case of suspension suspended flag must be reset in error case Signed-off-by: Oliver Neukum <oliver@neukum.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Oliver Neukum authored
usb:usbserial:visor: fix accounting in error case data not pushed to the tty layer due to an error mustn't be counted Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Joris van Rantwijk authored
The generic usbserial driver in Linux 2.6.31 halts its receiving channel in response to throttle requests from the line discipline. Unfortunately it drops the contents of the first URB received after throttling takes effect. This patch corrects that problem. Signed-off-by: Joris van Rantwijk <jorispubl@xs4all.nl> Acked-by: Johan Hovold <jhovold@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Éric Piel authored
In the Dell inspiron mini 10, the GPS is connected via a cp2102. This patch adds detection of this USB device. (I haven't managed to use the GPS under Linux yet, though) Signed-off-by: Éric Piel <eric.piel@tremplin-utc.net> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Alan Stern authored
This patch (as1293) fixes a problem with the ipaq serial driver. It tries to bind to all the interfaces, even those that don't have enough endpoints. The symptom is an invalid memory reference and oops when the device is plugged in. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: stable <stable@kernel.org> Tested-by: Matthias Geissert <geissert@mathematik.tu-darmstadt.de> Tested-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Mike Frysinger authored
A bunch of places assumed pointers were 32-bits in size (bit checking and debug output), but none of these affected runtime functionality. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Tobias Klauser authored
Use the resource_size function instead of manually calculating the resource size. This reduces the chance of introducing off-by-one errors. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Sergey Pinaev authored
Signed-off-by: Phil Dibowitz <phil@ipom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Mike Frysinger authored
The Blackfin port doesn't support HAVE_CLK and the musb driver works fine with support stubbed out, so take the existing Blackfin clk stubs and move them to common musb code so we can drop the Kconfig dependency. Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Sarah Sharp authored
When an endpoint is to be dropped from the hardware bandwidth schedule, we want to clear its add flag. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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