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2014-06-11drm/nv50-: prepare for attaching a SOR to multiple headsBen Skeggs3-42/+46
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/gf119-/disp: fix debug output on update failureBen Skeggs1-3/+3
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp/dp: make use of postcursor when its availableBen Skeggs1-8/+18
And at the same time, obey the spec better wrt out-of-range requests. Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/g94-/disp/dp: take max pullup value across all lanesBen Skeggs2-2/+6
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/bios/dp: parse lane postcursor dataBen Skeggs4-24/+27
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/dp: fix support for dpmsBen Skeggs2-4/+50
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 <[email protected]>
2014-06-11drm/nouveau: register a drm_dp_aux channel for each dp connectorBen Skeggs2-3/+55
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/g94-/disp: add method to power-off dp lanesBen Skeggs5-0/+35
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp/dp: maintain link in response to hpd signalBen Skeggs6-12/+125
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 <[email protected]>
2014-06-11drm/g94-/disp: bash and wait for something after changing lane power regsBen Skeggs1-0/+3
Some kind of update? Needed to make the power-down take effect at least. Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp/dp: split link config/power into two stepsBen Skeggs6-12/+29
We want to be able to power down the lanes for DPMS off. Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nv50/disp: train PIOR-attached DP from second supervisorBen Skeggs1-21/+11
Same place as for SOR, between detach and attach phases. Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp/dp: make use of existing output data for link trainingBen Skeggs16-248/+133
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/gf119/disp: start removing direct vbios parsing from supervisorBen Skeggs1-75/+83
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nv50/disp: start removing direct vbios parsing from supervisorBen Skeggs1-107/+116
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp/dp: maintain receiver caps in response to hpd signalBen Skeggs2-8/+68
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp/dp: create subclass for dp outputsBen Skeggs16-9/+265
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau: use connector events for HPD instead of GPIO watchingBen Skeggs3-44/+34
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp: add internal representaion of output paths and connectorsBen Skeggs10-2/+619
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 <[email protected]>
2014-06-11drm/nouveau/bios: extend connector table parsingBen Skeggs4-16/+79
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp: nothing to see hereBen Skeggs3-21/+42
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/i2c/anx9805: add debugging to aux transactionsBen Skeggs2-5/+34
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/i2c: introduce locking at a per-port levelBen Skeggs14-34/+380
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 <[email protected]>
2014-06-11drm/nouveau/i2c: balance port acquire/releaseBen Skeggs4-14/+56
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 <[email protected]>
2014-06-11drm/gk104/i2c: add aux channel interrupt driverBen Skeggs6-6/+79
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/g94/i2c: add aux channel interrupt driverBen Skeggs3-0/+39
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/i2c: add interfaces to support handling aux channel interruptsBen Skeggs4-0/+94
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/i2c: start hiding subdev-internal interfacesBen Skeggs21-236/+194
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/i2c: remove unnecessary i2c_set_adapdata()Ben Skeggs1-2/+0
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/i2c: properly hand aux reply back to caller, and only retry on deferBen Skeggs4-14/+20
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nv50-/mc: also pass PMGR interrupts onto I2C subdevBen Skeggs3-3/+6
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/gpio: send separate event types for high/low transitionsBen Skeggs4-14/+17
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/gpio: use base constructor for all implementationsBen Skeggs8-119/+47
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/gpio: move on-reset intr disable-and-ack to common codeBen Skeggs7-138/+80
Re-uses the implementation's accessor functions rather than requiring and init/fini implementation for each chipset. Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/gpio: split "toggled" interrupt into "went high" / "went low"Ben Skeggs7-114/+156
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/gpio: split g92 class from nv50Ben Skeggs11-58/+110
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/gpio: use indirect pointer to base class definitionBen Skeggs13-75/+75
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp/dp: support training to highest rate, rather than a targetBen Skeggs1-23/+34
We really want this for, at least, MST devices. Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/disp/dp: support postcursor in link trainingBen Skeggs2-11/+53
Not enabled at the backends yet, but will read status and send back max reached at level 0. Signed-off-by: Ben Skeggs <[email protected]>
2014-06-11drm/nouveau/core: allow event source to handle multiple event types per indexBen Skeggs21-77/+112
Signed-off-by: Ben Skeggs <[email protected]>
2014-06-10Merge branch 'cxgb4'David S. Miller12-57/+356
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 <[email protected]>
2014-06-10cxgb4: Change default Interrupt Holdoff Packet Count ThresholdHariprasad Shenai2-30/+40
Based on original work by Casey Leedom <[email protected]> Signed-off-by: Casey Leedom <[email protected]> Signed-off-by: Hariprasad Shenai <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-06-10iw_cxgb4: don't truncate the recv window sizeHariprasad Shenai3-4/+53
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 <[email protected]> Signed-off-by: Hariprasad Shenai <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-06-10iw_cxgb4: Choose appropriate hw mtu index and ISS for iWARP connectionsHariprasad Shenai5-15/+180
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 <[email protected]> and Steve Wise <[email protected]> Signed-off-by: Casey Leedom <[email protected]> Signed-off-by: Steve Wise <[email protected]> Signed-off-by: Hariprasad Shenai <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-06-10iw_cxgb4: Allocate and use IQs specifically for indirect interruptsHariprasad Shenai8-9/+84
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 <[email protected]> Signed-off-by: Steve Wise <[email protected]> Signed-off-by: Hariprasad Shenai <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-06-10gre: allow changing mac address when device is upstephen hemminger1-0/+1
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 <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-06-10tcp: add gfp parameter to tcp_fragmentOctavian Purdila3-10/+12
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 <[email protected]> Reviewed-by: Christoph Paasch <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2014-06-10Merge branch 'master' of ↵David S. Miller12-113/+303
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 <[email protected]>
2014-06-10PCI: Merge multi-line quoted stringsRyan Desfosses28-249/+169
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 <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]>
2014-06-10PCI: Whitespace cleanupRyan Desfosses45-588/+517
Fix various whitespace errors. No functional change. [bhelgaas: fix other similar problems] Signed-off-by: Ryan Desfosses <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]>
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