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2014-06-11i40e/i40evf: Bump i40e to version 0.4.10 and i40evf to 0.9.34Catherine Sullivan
Bump versions. Change-ID: Ic4a84354955061ca18321b1e97c9c30fe1563b5c Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e: use stored base_queue valueShannon Nelson
No need to read the PCI register for the PF's base queue on every single Tx queue enable and disable as we already have the value stored from reading the capability features at startup. Change-ID: Ic02fb622757742f43cb8269369c3d972d4f66555 Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e: Fix a bug in ethtool for FD drop packet filter actionAnjali Singhai Jain
A drop action comes down as a ring_cookie value, so allow it as a special value that can be used to configure destination control. Also fix the output to filter read command accordingly. Change-ID: I9956723cee42f3194885403317dd21ed4a151144 Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e/i40evf: Add Flow director stats to PF statsAnjali Singhai Jain
Add members to stat struct to keep track of Flow director ATR and SideBand filter packet matches. Change-ID: Ibbb31a53c7adcc2bb96991dd80565442a2f2513c Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e/i40evf: remove FTYPEJesse Brandeburg
This change drops the FTYPE field from the Rx descriptor, to match the hardware implementation. Change-ID: I66d31d2b43861da45e8ace4fb03df033abe88bab Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40evf: check admin queue error bitsMitch Williams
FW can indicate any admin queue error states to the driver via some bits in the length registers. Each time we process an admin queue message, check these bits and log any errors we find. Since the VF really can't do much, we just print the message and depend on the PF driver to clear things up on our behalf. Change-ID: I92bc6c53ce3b4400544e0ca19c5de2d27490bd0d Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e/i40evf: User ether_addr_copy instead of memcpyGreg Rose
Linux gives us a function to copy Ethernet MAC addresses, let's use it. Change-ID: I0c861900029ca5ea65a53ca39565852fb633f6fd Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e: Do not accept tagged packets by defaultGreg Rose
Remove the filter created by the firmware with the default MAC address it reads out of the NVM storage and a promiscuous VLAN tag and replace it with a filter that will not accept tagged packets by default. The system must request a VLAN tag packet filter to get packets with that tag. Change-ID: I119e6c3603a039bd68282ba31bf26f33a575490a Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e: Separate out DCB capability and enabled flagsNeerav Parikh
Currently if the firmware reports DCB capability the driver enables I40E_FLAG_DCB_ENABLED flag. When this flag is enabled the driver inserts a tag when transmitting a packet from the port even if there are no DCB traffic classes configured at the port. This patch adds a new flag I40E_FLAG_DCB_CAPABLE that will be set when the DCB capability is present and the existing flag I40E_FLAG_DCB_ENABLED will be set only if there are more than one traffic classes configured at the port. Change-ID: I24ccbf53ef293db2eba80c8a9772acf729795bd5 Signed-off-by: Neerav Parikh <neerav.parikh@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40evf: don't go further downMitch Williams
If the device is down, there's no place to go but up, so don't try to go down even more. This prevents a CPU soft lock in napi_disable(). Change-ID: I8b058b9ee974dfa01c212fae2597f4f54b333314 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e: Change the notion of src and dst for FD_SB in ethtoolAnjali Singhai Jain
In XL710 devices we program FD filter's fields from Tx perspective of the flow. However the user interface exposed in ethtool should be compliant with the previous generation of drivers where a filter src and dst field are from the RX perspective. This patch changes the ethtool interface in this regard to match the other drivers. Change-ID: Iec6ccddd87357c4fb53ccf33aa0fae699faf70cf Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e/i40evf: AdminQ API update for new FWShannon Nelson
Add set_pf_context, replace set_phy_reset with set_phy_debug, add nvm_config_read/write, remove nvm_read/write_reg_se and add some PHY types. With these changes we bump the API version to 1.2. Change-ID: I4dc3aec175c2316f66fc9b726b3f7d594699d84e Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11i40e/i40evf: set headwb Tx context flags and use themAshish Shah
Set appropriate fields in Tx queue configuration virtchnl message to pf to enable headwb and setup headwb addr. Then use that info from the VF to set headwb and headwb_addr instead of always enabling them. Change-ID: I7d393d1b2b07f0f3355b3a4f7c2d3c6ee3b0d622 Signed-off-by: Ashish Shah <ashish.n.shah@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11igb: separate hardware setting from the set_ts_config ioctlJacob Keller
This patch separates the hardware logic from the set function, so that we can re-use it during a ptp_reset. This enables the reset to return functionality to the last known timestamp mode, rather than resetting the value. We initialize the mode to off during the ptp_init cycle. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11igb: unhide invariant returnsTodd Fujinaka
Return a 0 directly rather than a constant. Reported-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-06-11Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block layer fixes from Jens Axboe: "Final small batch of fixes to be included before -rc1. Some general cleanups in here as well, but some of the blk-mq fixes we need for the NVMe conversion and/or scsi-mq. The pull request contains: - Support for not merging across a specified "chunk size", if set by the driver. Some NVMe devices perform poorly for IO that crosses such a chunk, so we need to support it generically as part of request merging avoid having to do complicated split logic. From me. - Bump max tag depth to 10Ki tags. Some scsi devices have a huge shared tag space. Before we failed with EINVAL if a too large tag depth was specified, now we truncate it and pass back the actual value. From me. - Various blk-mq rq init fixes from me and others. - A fix for enter on a dying queue for blk-mq from Keith. This is needed to prevent oopsing on hot device removal. - Fixup for blk-mq timer addition from Ming Lei. - Small round of performance fixes for mtip32xx from Sam Bradshaw. - Minor stack leak fix from Rickard Strandqvist. - Two __init annotations from Fabian Frederick" * 'for-linus' of git://git.kernel.dk/linux-block: block: add __init to blkcg_policy_register block: add __init to elv_register block: ensure that bio_add_page() always accepts a page for an empty bio blk-mq: add timer in blk_mq_start_request blk-mq: always initialize request->start_time block: blk-exec.c: Cleaning up local variable address returnd mtip32xx: minor performance enhancements blk-mq: ->timeout should be cleared in blk_mq_rq_ctx_init() blk-mq: don't allow queue entering for a dying queue blk-mq: bump max tag depth to 10K tags block: add blk_rq_set_block_pc() block: add notion of a chunk size for request merging
2014-06-11Merge tag 'for-linus-20140610' of git://git.infradead.org/linux-mtdLinus Torvalds
Pull MTD updates from Brian Norris: - refactor m25p80.c driver for use as a general SPI NOR framework for other drivers which may speak to SPI NOR flash without providing full SPI support (i.e., not part of drivers/spi/) - new Freescale QuadSPI driver (utilizing new SPI NOR framework) - updates for the STMicro "FSM" SPI NOR driver - fix sync/flush behavior on mtd_blkdevs - fixup subpage write support on a few NAND drivers - correct the MTD OOB test for odd-sized OOB areas - add BCH-16 support for OMAP NAND - fix warnings and trivial refactoring - utilize new ECC DT bindings in pxa3xx NAND driver - new LPDDR NVM driver - address a few assorted bugs caught by Coverity - add new imx6sx support for GPMI NAND - use a bounce buffer for NAND when non-DMA-able buffers are used * tag 'for-linus-20140610' of git://git.infradead.org/linux-mtd: (77 commits) mtd: gpmi: add gpmi support for imx6sx mtd: maps: remove check for CONFIG_MTD_SUPERH_RESERVE mtd: bf5xx_nand: use the managed version of kzalloc mtd: pxa3xx_nand: make the driver work on big-endian systems mtd: nand: omap: fix omap_calculate_ecc_bch() for-loop error mtd: nand: r852: correct write_buf loop bounds mtd: nand_bbt: handle error case for nand_create_badblock_pattern() mtd: nand_bbt: remove unused variable mtd: maps: sc520cdp: fix warnings mtd: slram: fix unused variable warning mtd: pfow: remove unused variable mtd: lpddr: fix Kconfig dependency, for I/O accessors mtd: nand: pxa3xx: Add supported ECC strength and step size to the DT binding mtd: nand: pxa3xx: Use ECC strength and step size devicetree binding mtd: nand: pxa3xx: Clean pxa_ecc_init() error handling mtd: nand: Warn the user if the selected ECC strength is too weak mtd: nand: omap: Documentation: How to select correct ECC scheme for your device ? mtd: nand: omap: add support for BCH16_ECC - NAND driver updates mtd: nand: omap: add support for BCH16_ECC - ELM driver updates mtd: nand: omap: add support for BCH16_ECC - GPMC driver updates ...
2014-06-11Merge tag 'md/3.16' of git://neil.brown.name/mdLinus Torvalds
Pull md updates from Neil Brown: "Assorted md fixes for 3.16 Mostly performance improvements with a few corner-case bug fixes" * tag 'md/3.16' of git://neil.brown.name/md: raid5: speedup sync_request processing md/raid5: deadlock between retry_aligned_read with barrier io raid5: add an option to avoid copy data from bio to stripe cache md/bitmap: remove confusing code from filemap_get_page. raid5: avoid release list until last reference of the stripe md: md_clear_badblocks should return an error code on failure. md/raid56: Don't perform reads to support writes until stripe is ready. md: refuse to change shape of array if it is active but read-only
2014-06-11clk: sunxi: add PRCM (Power/Reset/Clock Management) clks supportBoris BREZILLON
The PRCM (Power/Reset/Clock Management) unit provides several clock devices: - AR100 clk: used to clock the Power Management co-processor - AHB0 clk: used to clock the AHB0 bus - APB0 clk and gates: used to clk peripherals connected to the APB0 bus Add support for these clks in a separate driver so that they can be probed as platform devices instead of registered during early init. This is needed to be able to probe PRCM MFD subdevices. Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11clk: sun6i: Protect SDRAM gating bitMaxime Ripard
Prevent the SDRAM controller from being gated by force-enabling it in the machine code. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11clk: sun6i: Protect CPU clockMaxime Ripard
Right now, AHB is an indirect child clock of the CPU clock. If that happens to change, since the CPU clock has no other consumers declared in Linux, it would be shut down, which is not really a good idea. Prevent this by forcing it enabled. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11clk: sunxi: Rework clock protection codeMaxime Ripard
Since we start to have a lot of clocks to protect, some of them in a few SoCs only, it becomes difficult to handle the clock protection without having to add per machine exceptions. Add per-SoC data to tell which clock to leave enabled. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11clk: sunxi: Move the GMAC clock to a file of its ownMaxime Ripard
Since we have a folder of our own, we can actually make use of it by splitting the huge clock file into several sub drivers. The gmac clock is pretty easy to deal with, since it's pretty much isolated and doesn't have any dependency on the other clocks. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11clk: sunxi: Move the 24M oscillator to a file of its ownMaxime Ripard
Since we have a folder of our own, we can actually make use of it by splitting the huge clock file into several sub drivers. The main oscillator is pretty easy to deal with, since it's pretty much isolated. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11clk: sunxi: Remove calls to clk_putMaxime Ripard
Callers of clk_put must disable the clock first. This also means that as long as the clock is enabled the driver should hold a reference to that clock. Hence, the call to clk_put here are bogus and should be removed. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11clk: sunxi: Implement A31 USB clockMaxime Ripard
The A31 USB clock slightly differ from its older counterparts, mostly because it has a different gate for each PHY, while the older one had a single gate for all the phy. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Emilio López <emilio@elopez.com.ar>
2014-06-11amd-xgbe: Rename MAX_DMA_CHANNELS to avoid powerpc conflictLendacky, Thomas
MAX_DMA_CHANNELS is defined in asm/scatterlist.h of the powerpc architecture. Rename this #define in xgbe.h to avoid the redefined warning issued during compilation. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11farsync: Fix confusion about DMA address and buffer offset typesBen Hutchings
Use dma_addr_t for DMA address parameters and u32 for shared memory offset parameters. Do not assume that dma_addr_t is the same as unsigned long; it will not be in PAE configurations. Truncate DMA addresses to 32 bits when printing them. This is OK because the DMA mask for this device is 32-bit (per default). Also rename the DMA address parameters from 'skb' to 'dma'. Compile-tested only. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11net/mlx4_core: Keep only one driver entry release mlx4_privWei Yang
Following commit befdf89 "net/mlx4_core: Preserve pci_dev_data after __mlx4_remove_one()", there are two mlx4 pci callbacks which will attempt to release the mlx4_priv object -- .shutdown and .remove. This leads to a use-after-free access to the already freed mlx4_priv instance and trigger a "Kernel access of bad area" crash when both .shutdown and .remove are called. During reboot or kexec, .shutdown is called, with the VFs probed to the host going through shutdown first and then the PF. Later, the PF will trigger VFs' .remove since VFs still have driver attached. Fix that by keeping only one driver entry which releases mlx4_priv. Fixes: befdf89 ('net/mlx4_core: Preserve pci_dev_data after __mlx4_remove_one()') CC: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11net/mlx4_core: Fix SRIOV free-pool management when enforcing resource quotasJack Morgenstein
The Hypervisor driver tracks free slots and reserved slots at the global level and tracks allocated slots and guaranteed slots per VF. Guaranteed slots are treated as reserved by the driver, so the total reserved slots is the sum of all guaranteed slots over all the VFs. As VFs allocate resources, free (global) is decremented and allocated (per VF) is incremented for those resources. However, reserved (global) is never changed. This means that effectively, when a VF allocates a resource from its guaranteed pool, it is actually reducing that resource's free pool (since the global reserved count was not also reduced). The fix for this problem is the following: For each resource, as long as a VF's allocated count is <= its guaranteed number, when allocating for that VF, the reserved count (global) should be reduced by the allocation as well. When the global reserved count reaches zero, the remaining global free count is still accessible as the free pool for that resource. When the VF frees resources, the reverse happens: the global reserved count for a resource is incremented only once the VFs allocated number falls below its guaranteed number. This fix was developed by Rick Kready <kready@us.ibm.com> Reported-by: Rick Kready <kready@us.ibm.com> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11net: wimax: i2400m: control.c: Cleaning up conjunction always evaluates to falseRickard Strandqvist
Logical conjunction always evaluates to false: minor < 2 && minor > 1 I guess what you wanted is rather: minor > 2 || minor < 1 This was partly found using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11net: ethernet: toshiba: ps3_gelic_net.c: Cleaning up a check on a memory ↵Rickard Strandqvist
allocation A check on a memory allocation is checked incorrectly. This was partly found using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Acked-by: Geoff Levand <geoff@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11amd-xgbe: fix unused variable compilation warning in phylib driverfrançois romieu
Fix following compilation warning: [...] CC drivers/net/phy/amd-xgbe-phy.o drivers/net/phy/amd-xgbe-phy.c:1353:30: warning: ‘amd_xgbe_phy_ids’ defined but not used [-Wunused-variable] static struct mdio_device_id amd_xgbe_phy_ids[] = { ^ Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-11powerpc/cpuidle: Only clear LPCR decrementer wakeup bit on fast sleep entryMichael Neuling
Currently when entering fastsleep we clear all LPCR PECE bits. This patch changes it to only clear the decrementer bit (ie. PECE1), which is the only bit we really need to clear here. This is needed if we want to set other wakeup causes like the PECEDH bit so we can use hypervisor doorbells on powernv. Also we no longer clear the MER bit as it should never be set in the host anyway. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-06-11crypto/nx: disable NX on little endian buildsAnton Blanchard
The NX driver has endian issues so disable it for now. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-06-11Merge branch 'drm-nouveau-next' of ↵Dave Airlie
git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next display rework fixes lots of displayport issues. * 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (43 commits) drm/nouveau/disp/dp: fix tmds passthrough on dp connector drm/nouveau/dp: probe dpcd to determine connectedness drm/nv50-: trigger update after all connectors disabled drm/nv50-: prepare for attaching a SOR to multiple heads drm/gf119-/disp: fix debug output on update failure drm/nouveau/disp/dp: make use of postcursor when its available drm/g94-/disp/dp: take max pullup value across all lanes drm/nouveau/bios/dp: parse lane postcursor data drm/nouveau/dp: fix support for dpms drm/nouveau: register a drm_dp_aux channel for each dp connector drm/g94-/disp: add method to power-off dp lanes drm/nouveau/disp/dp: maintain link in response to hpd signal drm/g94-/disp: bash and wait for something after changing lane power regs drm/nouveau/disp/dp: split link config/power into two steps drm/nv50/disp: train PIOR-attached DP from second supervisor drm/nouveau/disp/dp: make use of existing output data for link training drm/gf119/disp: start removing direct vbios parsing from supervisor drm/nv50/disp: start removing direct vbios parsing from supervisor drm/nouveau/disp/dp: maintain receiver caps in response to hpd signal drm/nouveau/disp/dp: create subclass for dp outputs ...
2014-06-11drm/nouveau/disp/dp: fix tmds passthrough on dp connectorBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nouveau/dp: probe dpcd to determine connectednessBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nv50-: trigger update after all connectors disabledBen Skeggs
We were sending the necessary state changes to unset the mode, but never actually hit the big GO button unless another modeset happens afterwards. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-11drm/nv50-: prepare for attaching a SOR to multiple headsBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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>
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