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2014-06-11drm/gf119-/disp: fix debug output on update failureBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp/dp: make use of postcursor when its availableBen Skeggs
And at the same time, obey the spec better wrt out-of-range requests. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/g94-/disp/dp: take max pullup value across all lanesBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/bios/dp: parse lane postcursor dataBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/dp: fix support for dpmsBen Skeggs
SOR_PWR has no effect to power-off DP links, unlike other SOR protocols. Instead, on the source side, we cut power to the lanes after having put the sink into D3. Link training takes care of everything required to bring it back again. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau: register a drm_dp_aux channel for each dp connectorBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/g94-/disp: add method to power-off dp lanesBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp/dp: maintain link in response to hpd signalBen Skeggs
This previously worked for the most part due to userspace doing a modeset in response to HPD interrupts. This will allow us to properly handle cases where sync is lost for other reasons, or if userspace isn't caring. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/g94-/disp: bash and wait for something after changing lane power regsBen Skeggs
Some kind of update? Needed to make the power-down take effect at least. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp/dp: split link config/power into two stepsBen Skeggs
We want to be able to power down the lanes for DPMS off. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nv50/disp: train PIOR-attached DP from second supervisorBen Skeggs
Same place as for SOR, between detach and attach phases. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp/dp: make use of existing output data for link trainingBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/gf119/disp: start removing direct vbios parsing from supervisorBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nv50/disp: start removing direct vbios parsing from supervisorBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp/dp: maintain receiver caps in response to hpd signalBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp/dp: create subclass for dp outputsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau: use connector events for HPD instead of GPIO watchingBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp: add internal representaion of output paths and connectorsBen Skeggs
This will, at some point, be used to replace various bits and pieces of code doing direct bios parsing. For now, it'll just be used for some DP improvements. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/bios: extend connector table parsingBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp: nothing to see hereBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/i2c/anx9805: add debugging to aux transactionsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/i2c: introduce locking at a per-port levelBen Skeggs
There's also provisions to allow a pad to be locked with a specific routing, for an indefinite period of time. This will be used in future patches. The G94+ pad driver will now also power-down pads when not required. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/i2c: balance port acquire/releaseBen Skeggs
This was a half-finished hack before, just enough to handle the shared aux/i2c pad thing on G94 and up. We got lucky with locking etc up until now, as this was (generally) all protected by the DRM mode_config lock. It's about to become a lot more likely to hit the races. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/gk104/i2c: add aux channel interrupt driverBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/g94/i2c: add aux channel interrupt driverBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/i2c: add interfaces to support handling aux channel interruptsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/i2c: start hiding subdev-internal interfacesBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/i2c: remove unnecessary i2c_set_adapdata()Ben Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/i2c: properly hand aux reply back to caller, and only retry on deferBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nv50-/mc: also pass PMGR interrupts onto I2C subdevBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/gpio: send separate event types for high/low transitionsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/gpio: use base constructor for all implementationsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/gpio: move on-reset intr disable-and-ack to common codeBen Skeggs
Re-uses the implementation's accessor functions rather than requiring and init/fini implementation for each chipset. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/gpio: split "toggled" interrupt into "went high" / "went low"Ben Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/gpio: split g92 class from nv50Ben Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/gpio: use indirect pointer to base class definitionBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp/dp: support training to highest rate, rather than a targetBen Skeggs
We really want this for, at least, MST devices. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/disp/dp: support postcursor in link trainingBen Skeggs
Not enabled at the backends yet, but will read status and send back max reached at level 0. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/core: allow event source to handle multiple event types per indexBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-10Merge branch 'cxgb4'David S. Miller
Hariprasad Shenai says: ==================== Adds support for CIQ and other misc. fixes for rdma/cxgb4 This patch series adds support to allocate and use IQs specifically for indirect interrupts, adds fixes to align ISS for iWARP connections & fixes related to tcp snd/rvd window for Chelsio T4/T5 adapters on iw_cxgb4. Also changes Interrupt Holdoff Packet Count threshold of response queues for cxgb4 driver. The patches series is created against 'net-next' tree. And includes patches on cxgb4 and iw_cxgb4 driver. Since this patch-series contains cxgb4 and iw_cxgb4 patches, we would like to request this patch series to get merged via David Miller's 'net-next' tree. We have included all the maintainers of respective drivers. Kindly review the change and let us know in case of any review comments. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10cxgb4: Change default Interrupt Holdoff Packet Count ThresholdHariprasad Shenai
Based on original work by Casey Leedom <leedom@chelsio.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10iw_cxgb4: don't truncate the recv window sizeHariprasad Shenai
Fixed a bug that shows up with recv window sizes that exceed the size of the RCV_BUFSIZ field in opt0 (>= 1024K). If the recv window exceeds this, then we specify the max possible in opt0, add add the rest in via a RX_DATA_ACK credits. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10iw_cxgb4: Choose appropriate hw mtu index and ISS for iWARP connectionsHariprasad Shenai
Select the appropriate hw mtu index and initial sequence number to optimize hw memory performance. Add new cxgb4_best_aligned_mtu() which allows callers to provide enough information to be used to [possibly] select an MTU which will result in the TCP Data Segment Size (AKA Maximum Segment Size) to be an aligned value. If an RTR message exhange is required, then align the ISS to 8B - 1 + 4, so that after the SYN the send seqno will align on a 4B boundary. The RTR message exchange will leave the send seqno aligned on an 8B boundary. If an RTR is not required, then align the ISS to 8B - 1. The goal is to have the send seqno be 8B aligned when we send the first FPDU. Based on original work by Casey Leedom <leeedom@chelsio.com> and Steve Wise <swise@opengridcomputing.com> Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10iw_cxgb4: Allocate and use IQs specifically for indirect interruptsHariprasad Shenai
Currently indirect interrupts for RDMA CQs funnel through the LLD's RDMA RXQs, which also handle direct interrupts for offload CPLs during RDMA connection setup/teardown. The intended T4 usage model, however, is to have indirect interrupts flow through dedicated IQs. IE not to mix indirect interrupts with CPL messages in an IQ. This patch adds the concept of RDMA concentrator IQs, or CIQs, setup and maintained by the LLD and exported to iw_cxgb4 for use when creating CQs. RDMA CPLs will flow through the LLD's RDMA RXQs, and CQ interrupts flow through the CIQs. Design: cxgb4 creates and exports an array of CIQs for the RDMA ULD. These IQs are sized according to the max available CQs available at adapter init. In addition, these IQs don't need FL buffers since they only service indirect interrupts. One CIQ is setup per RX channel similar to the RDMA RXQs. iw_cxgb4 will utilize these CIQs based on the vector value passed into create_cq(). The num_comp_vectors advertised by iw_cxgb4 will be the number of CIQs configured, and thus the vector value will be the index into the array of CIQs. Based on original work by Steve Wise <swise@opengridcomputing.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10gre: allow changing mac address when device is upstephen hemminger
There is no need to require forcing device down on a Ethernet GRE (gretap) tunnel to change the MAC address. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10tcp: add gfp parameter to tcp_fragmentOctavian Purdila
tcp_fragment can be called from process context (from tso_fragment). Add a new gfp parameter to allow it to preserve atomic memory if possible. Signed-off-by: Octavian Purdila <octavian.purdila@intel.com> Reviewed-by: Christoph Paasch <christoph.paasch@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2014-06-09 This series contains more updates to i40e and i40evf. Shannon adds checks for error status bits on the admin event queue and provides notification if seen. Cleans up unused variable and memory allocation which was used earlier in driver development and is no longer needed. Also fixes the driver to not complain about removing non-existent MAC addresses. Bumps the driver versions for both i40e and i40evf. Catherine fixes a function header comment to make sure the comment correctly reflects the function name. Mitch adds code to allow for additional VSIs since the number of VSIs that the firmware reports to us is a guaranteed minimum, not an absolute maximum. The hardware actually supports for more than the reported value, which we often need. Implements anti-spoofing for VFs for both MAC addresses and VLANs, as well as enable this feature by default for all VFs. Anjali changes the interrupt distribution policy to change the way resources for special features are handled. Fixes the driver to not fall back to one queue if the only feature enabled is ATR, since FD_SB and FD_ATR need to be checked independently in order to decide if we will support multiple queue or not. Allows the RSS table entry range and GPS to be any number, not necessarily a power of 2 because hardware does not restrict us to use a power of 2 GPS in the case of RSS as long as we are not sharing the RSS table with another VSI (VMDq). Frank modifies the driver to keep SR-IOV enabled in the case that RSS, VMFq, FD_SB and DCB are disabled so that SR-IOV does not get turned off unnecessarily. Jesse fixes a bug in receive checksum where the driver was not marking packets with bad checksums correctly, especially IPv6 packets with a bad checksum. To do this correctly, we need a define that may be set by hardware in rare cases. Greg fixes the driver to delete all the old and stale MAC filters for the VF VSI when the host administrator changes the VF MAC address from under its feet. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-10PCI: Merge multi-line quoted stringsRyan Desfosses
Merge quoted strings that are broken across lines into a single entity. The compiler merges them anyway, but checkpatch complains about it, and merging them makes it easier to grep for strings. No functional change. [bhelgaas: changelog, do the same for everything under drivers/pci] Signed-off-by: Ryan Desfosses <ryan@desfo.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-06-10PCI: Whitespace cleanupRyan Desfosses
Fix various whitespace errors. No functional change. [bhelgaas: fix other similar problems] Signed-off-by: Ryan Desfosses <ryan@desfo.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-06-10Merge git://www.linux-watchdog.org/linux-watchdogLinus Torvalds
Pull watchdog updates from Wim Van Sebroeck: "This contains: - addition of the Intel MID watchdog - removal of W83697HF and W83697UG drivers (code was merged into w83627hf_wdt driver) - addition of Armada 375/380 SoC support - conversion of imx2_wdt to regmap API and to watchdog core API - lots of other small improvements and fixes" [ Wim was also tagged by gmail as a spammer, but not delayed by days unlike Ben ] * git://www.linux-watchdog.org/linux-watchdog: (25 commits) x86: intel-mid: add watchdog platform code for Merrifield watchdog: add Intel MID watchdog driver support watchdog: sp805: Set watchdog_device->timeout from ->set_timeout() booke/watchdog: refine and clean up the codes watchdog: iop_wdt only builds for mach-iop13xx watchdog: Remove drivers for W83697HF and W83697UG watchdog: w83627hf_wdt: Add early_disable module parameter ARM: mvebu: Add A375/A380 watchdog binding documentation watchdog: orion: Add Armada 375/380 SoC support watchdog: orion: Introduce per-SoC enabled() function watchdog: orion: Introduce per-SoC stop() function watchdog: orion: Remove unneeded atomic access watchdog: orion: Introduce a SoC-specific RSTOUT mapping watchdog: orion: Move the register ioremap'ing to its own function watchdog: xilinx: Make of_device_id array const watchdog: imx2_wdt: convert to watchdog core api watchdog: imx2_wdt: convert to use regmap API. watchdog: imx2_wdt: Sort the header files alphabetically watchdog: ath79_wdt: switch to clk_prepare/clk_disable watchdog: ath79_wdt: avoid spurious restarts on AR934x ...