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* ktest: Do not opencode reboot in grub settingSteven Rostedt2011-10-201-1/+2
| | | | | | | | | | When setting the next kernel to boot to with grub, do not opencode the reboot operation. The normal reboot operation can be modified by config options (namely POWERCYCLE_AFTER_REBOOT). This needs to affect all reboots. Remove the opencoded reboot to make sure that any changes to the reboot code also affect all reboots. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add processing of complex conditionalsSteven Rostedt2011-10-172-5/+58
| | | | | | | | | | | The IF statements for DEFAULTS and TEST_START sections now handle complex statements (&&,||) Example: TEST_START IF (DEFINED ALL_TESTS || ${MYTEST} == boottest) && ${MACHINE} == gandalf Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Fix parsing of config section linesSteven Rostedt2011-10-171-18/+31
| | | | | | | | | | | The order for some of the keywords on a section line (TEST_START or DEFAULTS) does not really matter. Simply need to remove the keyword from the line as we process it and evaluate the next keyword in the line. By removing the keywords as we find them, we do not need to keep track of where on the line they were found. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Sort make_min_config configs by dependeciesSteven Rostedt2011-10-171-22/+49
| | | | | | | | | | | | | The make_min_config test will turn off one config at a time and check if the config boots or not, and if it does, it will remove that config plus any config that depended on that config. ktest already looks if a config has a dependency and will try the dependency config first. But by sorting the configs and trying the config with the most configs dependent on it, we can shrink the minconfig faster. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add DEFINED keyword for IF statementsSteven Rostedt2011-10-172-1/+33
| | | | | | | | | | | Have IF statements process if a config variable or option has been defined or not. Can use NOT DEFINED in the case for telling if a variable or option has not been defined. DEFAULTS IF NOT DEFINED SSH_USER SSH_USER = root Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add OVERRIDE keyword to DEFAULTS sectionSteven Rostedt2011-10-172-8/+44
| | | | | | | | | | | | | | | The OVERRIDE keyword will allow options defined in the given DEFAULTS section to override options defined in previous DEFAULT sections. Normally, options will error if they were previous defined. The OVERRIDE keyword allows options that have been previously defined to be changed in the given section. Note, the same option can not be defined in the same DEFAULT section even if that section is marked as OVERRIDE. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Consolidate TEST_TYPE and DEFAULT codeSteven Rostedt2011-10-171-40/+21
| | | | | | | | The code that handles parsing the TEST_TYPE and DEFAULT code share a lot of common functionality. Combine the two and add a if statement that does what is different between them. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add INCLUDE keyword to include other config filesSteven Rostedt2011-10-172-9/+78
| | | | | | | | Have the reading of the config file allow reading of other config files using the INCLUDE keyword. This allows multiple config files to share config options. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Let IF keyword take comparisonsSteven Rostedt2011-10-172-6/+62
| | | | | | | | | | | | | | | | Allow ==, !=, <=, >=, <, and > to be used in IF statements to compare if a section should be processed or not. For example: BITS := 32 DEFAULTS IF ${BITS} == 32 MIN_CONFIG = ${CONFIG_DIR}/config-32 ELSE MIN_CONFIG = ${CONFIG_DIR}/config-64 Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add IF and ELSE to config sectionsSteven Rostedt2011-10-172-4/+98
| | | | | | | | | | | | | | | | | | | | | | | Add IF keyword to sections within the config. Also added an ELSE keyword that allows different config options to be set for a given section. For example: TYPE := 1 STATUS := 0 DEFAULTS IF ${TYPE} [...] ELSE IF ${STATUS} [...] ELSE [...] The above will process the first section as $TYPE is true. If it was false, it would process the last section as $STATUS is false. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Do not reboot on config or build issuesSteven Rostedt2011-10-171-2/+20
| | | | | | | | Even if REBOOT_ON_ERROR is set, it becomes annoying that the target machine is rebooted when a config option is incorrect or a build fails. There's no reason to reboot the target for host only issues. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add option REBOOT_SUCCESS_LINE to stop waiting after a rebootSteven Rostedt2011-10-172-6/+37
| | | | | | | | | When ktest.pl reboots, it will usuall wait SLEEP_TIME seconds of idle console before starting the next test. By setting the REBOOT_SUCCESS_LINE, ktest will not wait SLEEP_TIME when it detects the line while rebooting to a new kernel. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add NO_INSTALL option to not install for a testSteven Rostedt2011-10-172-1/+16
| | | | | | | | | | | There's cases where running the same kernel over and over again is useful, and being able to not install the same kernel can save time between tests. Add a NO_INSTALL option that tells ktest.pl to not install the new kernel. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Fail when grub menu not foundSteven Rostedt2011-10-171-1/+4
| | | | | | | | Currently if the grub menu that is supplied is not found, it will just boot into the last grub menu in menu.lst. Fail instead of confusing the user why their kernel is not booting. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Include monitor in reboot codeAndrew Jones2011-10-171-20/+16
| | | | | | | | | | Several places that call reboot do the same thing with respect to the monitor. By adding this code into the reboot code, redundant code is removed and it paves the way for the the reset time patch. Signed-off-by: Andrew Jones <drjones@redhat.com> Link: http://lkml.kernel.org/r/1313155932-20092-4-git-send-email-drjones@redhat.com Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Only need to save .config when doing mrproperAndrew Jones2011-10-171-7/+7
| | | | | | | | Only save the .config file if we're doing mrproper Signed-off-by: Andrew Jones <drjones@redhat.com> Link: http://lkml.kernel.org/r/1313155932-20092-3-git-send-email-drjones@redhat.com Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Create outputdir if it does not existAndrew Jones2011-10-171-3/+5
| | | | | | Signed-off-by: Andrew Jones <drjones@redhat.com> Link: http://lkml.kernel.org/r/1313155932-20092-2-git-send-email-drjones@redhat.com Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ktest: Add TEST_TYPE install optionSteven Rostedt2011-10-172-3/+11
| | | | | | | | In testing one of my boxes, I found that I only wanted to build and install the kernel. I wanted to manually reboot the box and test it. Adding a TEST_TYPE option "install" allows this to happen. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* Linux 3.1-rc9v3.1-rc9Linus Torvalds2011-10-041-1/+1
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* Merge git://github.com/davem330/netLinus Torvalds2011-10-0415-82/+100
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://github.com/davem330/net: pch_gbe: Fixed the issue on which a network freezes pch_gbe: Fixed the issue on which PC was frozen when link was downed. make PACKET_STATISTICS getsockopt report consistently between ring and non-ring net: xen-netback: correctly restart Tx after a VM restore/migrate bonding: properly stop queuing work when requested can bcm: fix incomplete tx_setup fix RDSRDMA: Fix cleanup of rds_iw_mr_pool net: Documentation: Fix type of variables ibmveth: Fix oops on request_irq failure ipv6: nullify ipv6_ac_list and ipv6_fl_list when creating new socket cxgb4: Fix EEH on IBM P7IOC can bcm: fix tx_setup off-by-one errors MAINTAINERS: tehuti: Alexander Indenbaum's address bounces dp83640: reduce driver noise ptp: fix L2 event message recognition
| * pch_gbe: Fixed the issue on which a network freezesToshiharu Okada2011-10-031-29/+27
| | | | | | | | | | | | | | | | | | | | | | The pch_gbe driver has an issue which a network stops, when receiving traffic is high. In the case, The link down and up are necessary to return a network. This patch fixed this issue. Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * pch_gbe: Fixed the issue on which PC was frozen when link was downed.Toshiharu Okada2011-10-031-1/+1
| | | | | | | | | | | | | | | | | | | | When a link was downed during network use, there is an issue on which PC freezes. This patch fixed this issue. Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * make PACKET_STATISTICS getsockopt report consistently between ring and non-ringWillem de Bruijn2011-10-031-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a minor change. Up until kernel 2.6.32, getsockopt(fd, SOL_PACKET, PACKET_STATISTICS, ...) would return total and dropped packets since its last invocation. The introduction of socket queue overflow reporting [1] changed drop rate calculation in the normal packet socket path, but not when using a packet ring. As a result, the getsockopt now returns different statistics depending on the reception method used. With a ring, it still returns the count since the last call, as counts are incremented in tpacket_rcv and reset in getsockopt. Without a ring, it returns 0 if no drops occurred since the last getsockopt and the total drops over the lifespan of the socket otherwise. The culprit is this line in packet_rcv, executed on a drop: drop_n_acct: po->stats.tp_drops = atomic_inc_return(&sk->sk_drops); As it shows, the new drop number it taken from the socket drop counter, which is not reset at getsockopt. I put together a small example that demonstrates the issue [2]. It runs for 10 seconds and overflows the queue/ring on every odd second. The reported drop rates are: ring: 16, 0, 16, 0, 16, ... non-ring: 0, 15, 0, 30, 0, 46, 0, 60, 0 , 74. Note how the even ring counts monotonically increase. Because the getsockopt adds tp_drops to tp_packets, total counts are similarly reported cumulatively. Long story short, reinstating the original code, as the below patch does, fixes the issue at the cost of additional per-packet cycles. Another solution that does not introduce per-packet overhead is be to keep the current data path, record the value of sk_drops at getsockopt() at call N in a new field in struct packetsock and subtract that when reporting at call N+1. I'll be happy to code that, instead, it's just more messy. [1] http://patchwork.ozlabs.org/patch/35665/ [2] http://kernel.googlecode.com/files/test-packetsock-getstatistics.c Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: xen-netback: correctly restart Tx after a VM restore/migrateDavid Vrabel2011-10-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a VM is saved and restored (or migrated) the netback driver will no longer process any Tx packets from the frontend. xenvif_up() does not schedule the processing of any pending Tx requests from the front end because the carrier is off. Without this initial kick the frontend just adds Tx requests to the ring without raising an event (until the ring is full). This was caused by 47103041e91794acdbc6165da0ae288d844c820b (net: xen-netback: convert to hw_features) which reordered the calls to xenvif_up() and netif_carrier_on() in xenvif_connect(). Signed-off-by: David Vrabel <david.vrabel@citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * bonding: properly stop queuing work when requestedAndy Gospodarek2011-10-033-7/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During a test where a pair of bonding interfaces using ARP monitoring were both brought up and torn down (with an rmmod) repeatedly, a panic in the timer code was noticed. I tracked this down and determined that any of the bonding functions that ran as workqueue handlers and requeued more work might not properly exit when the module was removed. There was a flag protected by the bond lock called kill_timers that is set when the interface goes down or the module is removed, but many of the functions that monitor link status now unlock the bond lock to take rtnl first. There is a chance that another CPU running the rmmod could get the lock and set kill_timers after the first check has passed. This patch does not allow any function to queue work that will make itself run unless kill_timers is not set. I also noticed while doing this work that bond_resend_igmp_join_requests did not have a check for kill_timers, so I added the needed call there as well. Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Reported-by: Liang Zheng <lzheng@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * can bcm: fix incomplete tx_setup fixOliver Hartkopp2011-09-291-27/+21
| | | | | | | | | | | | | | | | | | | | The commit aabdcb0b553b9c9547b1a506b34d55a764745870 ("can bcm: fix tx_setup off-by-one errors") fixed only a part of the original problem reported by Andre Naujoks. It turned out that the original code needed to be re-ordered to reduce complexity and to finally fix the reported frame counting issues. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * RDSRDMA: Fix cleanup of rds_iw_mr_poolJonathan Lallinger2011-09-291-4/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In the rds_iw_mr_pool struct the free_pinned field keeps track of memory pinned by free MRs. While this field is incremented properly upon allocation, it is never decremented upon unmapping. This would cause the rds_rdma module to crash the kernel upon unloading, by triggering the BUG_ON in the rds_iw_destroy_mr_pool function. This change keeps track of the MRs that become unpinned, so that free_pinned can be decremented appropriately. Signed-off-by: Jonathan Lallinger <jonathan@ogc.us> Signed-off-by: Steve Wise <swise@ogc.us> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: Documentation: Fix type of variablesRoy.Li2011-09-291-2/+2
| | | | | | | | | | Signed-off-by: Roy.Li <rongqing.li@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ibmveth: Fix oops on request_irq failureBrian King2011-09-291-2/+2
| | | | | | | | | | | | | | | | | | | | If request_irq fails, the ibmveth driver will overwrite the rc and end up returning a successful rc on its open function, resulting in an oops later when a packet gets sent and buffers are not allocated due to the failed open. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ipv6: nullify ipv6_ac_list and ipv6_fl_list when creating new socketYan, Zheng2011-09-291-0/+3
| | | | | | | | | | | | | | | | ipv6_ac_list and ipv6_fl_list from listening socket are inadvertently shared with new socket created for connection. Signed-off-by: Zheng Yan <zheng.z.yan@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * cxgb4: Fix EEH on IBM P7IOCDivy Le Ray2011-09-291-0/+3
| | | | | | | | | | | | | | | | Fix EEH recovery on new P Series platform by requesting fundamental reset. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * can bcm: fix tx_setup off-by-one errorsOliver Hartkopp2011-09-291-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes two off-by-one errors that canceled each other out. Checking for the same condition two times in bcm_tx_timeout_tsklet() reduced the count of frames to be sent by one. This did not show up the first time tx_setup is invoked as an additional frame is sent due to TX_ANNONCE. Invoking a second tx_setup on the same item led to a reduced (by 1) number of sent frames. Reported-by: Andre Naujoks <nautsch@gmail.com> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * MAINTAINERS: tehuti: Alexander Indenbaum's address bouncesIan Campbell2011-09-291-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I got: Generating server: Tehuti.onmicrosoft.com baum@tehutinetworks.net #< #5.1.1 smtp;550 5.1.1 RESOLVER.ADR.RecipNotFound; not found> #SMTP# Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Alexander Indenbaum <baum@tehutinetworks.net> Cc: Andy Gospodarek <andy@greyhouse.net> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
| * dp83640: reduce driver noiseRichard Cochran2011-09-291-2/+2
| | | | | | | | | | | | | | | | | | | | | | The driver has two warning messages that might be triggered by normal use cases. When they appear, the messages give the impression of a never ending series of errors. This commit changes them to debug messages instead. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Signed-off-by: David S. Miller <davem@davemloft.net>
| * ptp: fix L2 event message recognitionRichard Cochran2011-09-291-3/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The IEEE 1588 standard defines two kinds of messages, event and general messages. Event messages require time stamping, and general do not. When using UDP transport, two separate ports are used for the two message types. The BPF designed to recognize event messages incorrectly classifies L2 general messages as event messages. This commit fixes the issue by extending the filter to check the message type field for L2 PTP packets. Event messages are be distinguished from general messages by testing the "general" bit. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Cc: <stable@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'fix/asoc' of git://github.com/tiwai/soundLinus Torvalds2011-10-044-8/+8
|\ \ | | | | | | | | | | | | | | | | | | * 'fix/asoc' of git://github.com/tiwai/sound: ASoC: omap_mcpdm_remove cannot be __devexit ASoC: Fix setting update bits for WM8753_LADC and WM8753_RADC ASoC: use a valid device for dev_err() in Zylonite
| * | ASoC: omap_mcpdm_remove cannot be __devexitArnd Bergmann2011-10-022-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | omap_mcpdm_remove is used from asoc_mcpdm_probe, which is an initcall, and must not be discarded when HOTPLUG is disabled. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| * | ASoC: Fix setting update bits for WM8753_LADC and WM8753_RADCAxel Lin2011-10-021-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Current code set update bits for WM8753_LDAC and WM8753_RDAC twice, but missed setting update bits for WM8753_LADC and WM8753_RADC. I think it is a copy-paste bug in commit 776065 "ASoC: codecs: wm8753: Fix register cache incoherency". Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
| * | ASoC: use a valid device for dev_err() in ZyloniteArnd Bergmann2011-10-021-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A recent conversion has introduced references to &pdev->dev, which does not actually exist in all the contexts it's used in. Replace this with card->dev where necessary, in order to let the driver build again. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
* | | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds2011-10-046-158/+33
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon/kms: fix channel_remap setup (v2) drm/radeon: Set cursor x/y to 0 when x/yorigin > 0. drm/radeon: Update AVIVO cursor coordinate origin before x/yorigin calculation. drm/radeon: Simplify cursor x/yorigin calculation. drm/radeon/kms: fix cursor image off-by-one error drm/radeon/kms: Fix logic error in DP HPD handler drm/radeon/kms: add retry limits for native DP aux defer drm/radeon/kms: fix regression in DP aux defer handling
| * | | drm/radeon/kms: fix channel_remap setup (v2)Alex Deucher2011-10-043-127/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most asics just use the hw default value which requires no explicit programming. For those that need a different value, the vbios will program it properly. As such, there's no need to program these registers explicitly in the driver. Changing MC_SHARED_CHREMAP requires a reload of all data in vram otherwise its contents will be scambled. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=40103 v2: drop now unused channel_remap functions. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | drm/radeon: Set cursor x/y to 0 when x/yorigin > 0.Michel Dänzer2011-10-031-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Apart from the obvious cleanup, this should make the line cursor_end = x - xorigin + w; correct now. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | drm/radeon: Update AVIVO cursor coordinate origin before x/yorigin calculation.Michel Dänzer2011-10-031-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes cursor disappearing prematurely when moving off a top/left edge which is not located at the desktop top/left edge. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Cc: stable@kernel.org Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | drm/radeon: Simplify cursor x/yorigin calculation.Michel Dänzer2011-10-031-6/+2
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | drm/radeon/kms: fix cursor image off-by-one errorNicholas Miell2011-10-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The mouse cursor hotspot calculation when the cursor is partially off the top or left side of the screen was off by one. Fixes https://bugs.freedesktop.org/show_bug.cgi?id=41158 Signed-off-by: Nicholas Miell <nmiell@gmail.com> Reviewed-by: Michel Dänzer <michel@daenzer.net> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | drm/radeon/kms: Fix logic error in DP HPD handlerAlex Deucher2011-10-031-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Only disable the pipe if the monitor is physically disconnected. The previous logic also disabled the pipe if the link was trained. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=41248 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | drm/radeon/kms: add retry limits for native DP aux deferAlex Deucher2011-10-031-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous code could potentially loop forever. Limit the number of DP aux defer retries to 4 for native aux transactions, same as i2c over aux transactions. Noticed by: Brad Campbell <lists2009@fnarfbargle.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Brad Campbell <lists2009@fnarfbargle.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
| * | | drm/radeon/kms: fix regression in DP aux defer handlingAlex Deucher2011-10-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | An incorrect ordering in the error checking code lead to DP aux defer being skipped in the aux native write path. Move the bytes transferred check (ret == 0) below the defer check. Tracked down by: Brad Campbell <brad@fnarfbargle.com> Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=41121 Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Brad Campbell <brad@fnarfbargle.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
* | | | Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds2011-10-041-27/+66
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'spi/merge' of git://git.secretlab.ca/git/linux-2.6: spi-topcliff-pch: Fix overrun issue spi-topcliff-pch: Add recovery processing in case FIFO overrun error occurs spi-topcliff-pch: Fix CPU read complete condition issue spi-topcliff-pch: Fix SSN Control issue spi-topcliff-pch: add tx-memory clear after complete transmitting
| * | | | spi-topcliff-pch: Fix overrun issueTomoya MORINAGA2011-10-041-5/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We found that adding load, Rx data sometimes drops.(with DMA transfer mode) The cause is that before starting Rx-DMA processing, Tx-DMA processing starts. This causes FIFO overrun occurs. This patch fixes the issue by modifying FIFO tx-threshold and DMA descriptor size like below. Current this patch Rx-descriptor 4Byte+12Byte*341 --> 12Byte*340-4Byte-12Byte Rx-threshold (Not modified) Tx-descriptor 4Byte+12Byte*341 --> 16Byte-12Byte*340 Rx-threshold 12Byte --> 2Byte Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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