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2014-04-09Merge remote-tracking branch 'airlied/drm-next' into HEADDaniel Vetter16-196/+343
Backmerge drm-next after the big s/crtc->fb/crtc->primary->fb/ cocinelle patch to avoid endless amounts of conflict hilarity in my -next queue for 3.16. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-04-05Merge tag 'drm-intel-fixes-2014-04-04' of ↵Dave Airlie12-24/+46
git://anongit.freedesktop.org/drm-intel into drm-next Merge window -fixes pull request as usual. Well, I did sneak in Jani's drm_i915_private_t typedef removal, need to have fun with a big sed job too ;-) Otherwise: - hdmi interlaced fixes (Jesse&Ville) - pipe error/underrun/crc tracking fixes, regression in late 3.14-rc (but not cc: stable since only really relevant for igt runs) - large cursor wm fixes (Chris) - fix gpu turbo boost/throttle again, was getting stuck due to vlv rps patches (Chris+Imre) - fix runtime pm fallout (Paulo) - bios framebuffer inherit fix (Chris) - a few smaller things * tag 'drm-intel-fixes-2014-04-04' of git://anongit.freedesktop.org/drm-intel: (196 commits) Skip intel_crt_init for Dell XPS 8700 drm/i915: vlv: fix RPS interrupt mask setting Revert "drm/i915/vlv: fixup DDR freq detection per Punit spec" drm/i915: move power domain init earlier during system resume drm/i915: Fix the computation of required fb size for pipe drm/i915: don't get/put runtime PM at the debugfs forcewake file drm/i915: fix WARNs when reading DDI state while suspended drm/i915: don't read cursor registers on powered down pipes drm/i915: get runtime PM at i915_display_info drm/i915: don't read pp_ctrl_reg if we're suspended drm/i915: get runtime PM at i915_reg_read_ioctl drm/i915: don't schedule force_wake_timer at gen6_read drm/i915: vlv: reserve the GT power context only once during driver init drm/i915: prefer struct drm_i915_private to drm_i915_private_t drm/i915/overlay: prefer struct drm_i915_private to drm_i915_private_t drm/i915/ringbuffer: prefer struct drm_i915_private to drm_i915_private_t drm/i915/display: prefer struct drm_i915_private to drm_i915_private_t drm/i915/irq: prefer struct drm_i915_private to drm_i915_private_t drm/i915/gem: prefer struct drm_i915_private to drm_i915_private_t drm/i915/dma: prefer struct drm_i915_private to drm_i915_private_t ...
2014-04-05Merge tag 'drm/tegra/for-3.15-rc1' of ↵Dave Airlie2-9/+16
git://anongit.freedesktop.org/tegra/linux into drm-next drm/tegra: Changes for v3.15-rc1 Implement eDP support for Tegra124 and support the PRIME vmap()/vunmap() operations. A symbol that is required for upcoming V4L2 support is now exported by the host1x driver. Relicense drivers under the GPL v2 for consistency. One exception is the public header file, which is relicensed under MIT to abide by the common rule. * tag 'drm/tegra/for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux: drm/tegra: Use standard GPL v2 license text drm/tegra: Relicense under GPL v2 drm/tegra: Relicense public header under MIT drm/tegra: Add eDP support gpu: host1x: export host1x_syncpt_incr_max() function drm/tegra: prime: Add vmap support
2014-04-05Merge branch 'exynos-drm-next' of ↵Dave Airlie1-0/+6
git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next Summaries: - Add MIPI-DSI Driver, and dt bindigs - Add S6E8AA0 MIPI-DSI based panel drivers, and dt bindings - Add LD9040 parallel panel driver . this driver is placed in drivers/gpu/drm/panel, and it seems to be used for exynos drm as of now, - Some fixups Changelog v2: - Remove super device support, and relevant dt bindings for more reviews. - Fix module build errors you pointed out. - Re-based it to drm-next again. * 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: drm/bridge: export ptn3460_init function drm/exynos: remove MODULE_DEVICE_TABLE definitions ARM: dts: exynos4412-trats2: enable exynos/fimd node ARM: dts: exynos4210-trats: enable exynos/fimd node ARM: dts: exynos4412-trats2: add panel node ARM: dts: exynos4210-trats: add panel node ARM: dts: exynos4: add MIPI DSI Master node drm/panel: add S6E8AA0 driver ARM: dts: exynos4210-universal_c210: add proper panel node drm/panel: add ld9040 driver panel/ld9040: add DT bindings panel/s6e8aa0: add DT bindings drm/exynos: add DSIM driver exynos/dsim: add DT bindings drm/exynos: disallow fbdev initialization if no device is connected drm/mipi_dsi: create dsi devices only for nodes with reg property drm/mipi_dsi: add flags to DSI messages
2014-04-05Merge tag 'ttm-next-2014-04-04' of ↵Dave Airlie1-18/+29
git://people.freedesktop.org/~thomash/linux into drm-next Pull request of 2014-04-04 Currently only a single patch fixing up mixed use of the ttm_bo_reserve and ww_mutex APIs * tag 'ttm-next-2014-04-04' of git://people.freedesktop.org/~thomash/linux: drm/ttm: Hide the implementation details of reservation
2014-04-04drm/mipi_dsi: add flags to DSI messagesAndrzej Hajda1-0/+6
This patch adds flags field to mipi_dsi_msg structure and two flags: - MIPI_DSI_MSG_REQ_ACK - request ACK from peripheral for given message, - MIPI_DSI_MSG_USE_LPM - use Low Power Mode to transmit message. The first flag is usually helpful during DSI diagnostic, the second flag is required by some peripherals during configuration phase. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-04-04drm/tegra: Relicense public header under MITThierry Reding1-9/+15
This file will eventually be exported to libdrm, where all the public header files use the MIT license. Reported-by: Erik Faye-Lund <kusmabite@gmail.com> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Emil Goode <emilgoode@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-04-04gpu: host1x: export host1x_syncpt_incr_max() functionBryan Wu1-0/+1
Tegra V4L2 camera driver needs this function to do frame capture. Signed-off-by: Bryan Wu <pengw@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
2014-04-04drm/ttm: Hide the implementation details of reservationThomas Hellstrom1-18/+29
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2014-04-04drm/cma: include <drm/drmP.h> as neededShawn Guo1-0/+2
The following error and warnings will be seen when compiling a C file which includes <drm/drm_gem_cma_helper.h> but without <drm/drmP.h> being included before. include/drm/drm_gem_cma_helper.h:5:24: error: field ‘base’ has incomplete type include/drm/drm_gem_cma_helper.h: In function ‘to_drm_gem_cma_obj’: include/drm/drm_gem_cma_helper.h:16:9: warning: initialization from incompatible pointer type [enabled by default] include/drm/drm_gem_cma_helper.h: At top level: include/drm/drm_gem_cma_helper.h:24:34: warning: ‘struct drm_mode_create_dumb’ declared inside parameter list [enabled by default] include/drm/drm_gem_cma_helper.h:24:34: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default] include/drm/drm_gem_cma_helper.h:24:34: warning: ‘struct drm_device’ declared inside parameter list [enabled by default] include/drm/drm_gem_cma_helper.h:24:34: warning: ‘struct drm_file’ declared inside parameter list [enabled by default] include/drm/drm_gem_cma_helper.h:28:10: warning: ‘struct drm_device’ declared inside parameter list [enabled by default] include/drm/drm_gem_cma_helper.h:28:10: warning: ‘struct drm_file’ declared inside parameter list [enabled by default] include/drm/drm_gem_cma_helper.h:35:3: warning: ‘struct drm_device’ declared inside parameter list [enabled by default] include/drm/drm_gem_cma_helper.h:46:14: warning: ‘struct drm_device’ declared inside parameter list [enabled by default] Fix them by including <drm/drmP.h> in drm_gem_cma_helper.h. Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-04-04drm: Add support for two-ended allocation, v3Lauri Kasanen2-4/+31
Clients like i915 need to segregate cache domains within the GTT which can lead to small amounts of fragmentation. By allocating the uncached buffers from the bottom and the cacheable buffers from the top, we can reduce the amount of wasted space and also optimize allocation of the mappable portion of the GTT to only those buffers that require CPU access through the GTT. For other drivers, allocating small bos from one end and large ones from the other helps improve the quality of fragmentation. Based on drm_mm work by Chris Wilson. v3: Changed to use a TTM placement flag v2: Updated kerneldoc Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ben Widawsky <ben@bwidawsk.net> Cc: Christian König <deathsimple@vodafone.de> Signed-off-by: Lauri Kasanen <cand@gmx.com> Signed-off-by: David Airlie <airlied@redhat.com>
2014-04-04Merge branch 'msm-next' of git://people.freedesktop.org/~robclark/linux into ↵Dave Airlie1-0/+12
drm-next * 'msm-next' of git://people.freedesktop.org/~robclark/linux: drm/omap: Don't dereference list head when the connectors list is empty drm/msm/mdp: add timeout for irq wait drm/msm: validate flags, etc drm/msm: use componentised device support drm/msm: add chip-id param drm/msm: crank down gpu when inactive drm/msm: spin helper drm/msm: add hang_debug module param drm/msm: hdmi audio support
2014-04-03Merge tag 'drm-intel-next-2014-03-21' of ↵Dave Airlie1-0/+4
git://anongit.freedesktop.org/drm-intel into drm-next - Inherit/reuse firmwar framebuffers (for real this time) from Jesse, less flicker for fastbooting. - More flexible cloning for hdmi (Ville). - Some PPGTT fixes from Ben. - Ring init fixes from Naresh Kumar. - set_cache_level regression fixes for the vma conversion from Ville&Chris. - Conversion to the new dp aux helpers (Jani). - Unification of runtime pm with pc8 support from Paulo, prep work for runtime pm on other platforms than HSW. - Larger cursor sizes (Sagar Kamble). - Piles of improvements and fixes all over, as usual. * tag 'drm-intel-next-2014-03-21' of git://anongit.freedesktop.org/drm-intel: (75 commits) drm/i915: Include a note about the dangers of I915_READ64/I915_WRITE64 drm/i915/sdvo: fix questionable return value check drm/i915: Fix unsafe loop iteration over vma whilst unbinding them drm/i915: Enabling 128x128 and 256x256 ARGB Cursor Support drm/i915: Print how many objects are shared in per-process stats drm/i915: Per-process stats work better when evaluated per-process drm/i915: remove rps local variables drm/i915: Remove extraneous MMIO for RPS drm/i915: Rename and comment all the RPS *stuff* drm/i915: Store the HW min frequency as min_freq drm/i915: Fix coding style for RPS drm/i915: Reorganize the overclock code drm/i915: init pm.suspended earlier drm/i915: update the PC8 and runtime PM documentation drm/i915: rename __hsw_do_{en, dis}able_pc8 drm/i915: kill struct i915_package_c8 drm/i915: move pc8.irqs_disabled to pm.irqs_disabled drm/i915: remove dev_priv->pc8.enabled drm/i915: don't get/put PC8 when getting/putting power wells drm/i915: make intel_aux_display_runtime_get get runtime PM, not PC8 ... Conflicts: drivers/gpu/drm/i915/intel_display.c drivers/gpu/drm/i915/intel_dp.c
2014-04-02Merge branch 'primary-plane' of git://people.freedesktop.org/~robclark/linux ↵Dave Airlie4-4/+109
into drm-next Here's the latest iteration of the universal planes work, which I believe is finally ready for merging. Aside from the minor driver patches to use the new drm_for_each_legacy_plane() macro for plane loops, these should all have an r-b from Rob Clark now. Actual userspace-visibility is currently hidden behind a drm.universal_planes module parameter so that we can do some experimental testing of this before flipping it on universally. * 'primary-plane' of git://people.freedesktop.org/~robclark/linux: drm/doc: Update plane documentation and add plane helper library drm: Allow userspace to ask for universal plane list (v2) drm: Remove unused drm_crtc->fb drm: Replace crtc fb with primary plane fb (v3) drm/msm: Switch to universal plane API's drm: Add drm_crtc_init_with_planes() (v2) drm: Add plane type property (v2) drm: Add drm_universal_plane_init() drm: Add primary plane helpers (v3) drm: Make drm_crtc_check_viewport non-static drm/shmobile: Restrict plane loops to only operate on legacy planes drm/i915: Restrict plane loops to only operate on overlay planes (v2) drm/exynos: Restrict plane loops to only operate on overlay planes (v2) drm: Add support for multiple plane types (v2)
2014-04-02drm: Specify a bit more the DRM_CAP_CURSOR_{WIDTH, HEIGHT} capsLespiau, Damien1-0/+9
Earlier this week, there was a bit of confusion about those new capabilities, to the point I think it's better to document the intention and API contract. The comment documents the current situation: - the radeon driver returns the only valid size for the hw - i915 returns the maximun cursor size - other drivers fall back to returning 64x64 The common contract is to return a valid cursor size. Cc: Sagar Kamble <sagar.a.kamble@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Imre Deak <imre.deak@intel.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-04-02drm: Allow userspace to ask for universal plane list (v2)Matt Roper2-0/+14
Userspace clients which wish to receive all DRM planes (primary and cursor planes in addition to the traditional overlay planes) may set the DRM_CLIENT_CAP_UNIVERSAL_PLANES capability. v2: Hide behind drm.universal_planes module option [suggested by Daniel Vetter] Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-02drm: Remove unused drm_crtc->fbMatt Roper1-3/+0
Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-02drm: Add drm_crtc_init_with_planes() (v2)Matt Roper1-0/+11
Add a new drm_crtc_init_with_planes() to allow drivers to provide specific primary and cursor planes at CRTC initialization. The existing drm_crtc_init() interface remains to avoid driver churn in existing drivers; it will initialize the CRTC with a plane helper-created primary plane and no cursor plane. v2: - Move drm_crtc_init() to plane helper file so that nothing in the DRM core depends on helpers. [suggested by Daniel Vetter] - Keep cursor parameter to drm_crtc_init_with_planes() a void* until we actually add cursor support. [suggested by Daniel Vetter] Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-02drm: Add plane type property (v2)Rob Clark1-0/+1
Add a plane type property to allow userspace to distinguish plane types. v2: Driver-specific churn eliminated now that drm_plane_init() and drm_universal_plane_init() were separated out in a previous patch. Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-02drm: Add drm_universal_plane_init()Matt Roper1-1/+8
Add a new plane initialization interface for universal plane support that allows a specific plane type (primary, cursor, or overlay) to be specified. drm_plane_init() remains as a compatibility API to reduce churn in existing drivers. The 'bool priv' parameter has been changed to 'bool is_primary' under the assumption that all existing uses of private planes were representing primary planes. Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-02drm: Add primary plane helpers (v3)Matt Roper1-0/+49
When we expose non-overlay planes to userspace, they will become accessible via standard userspace plane API's. We should be able to handle the standard plane operations against primary planes in a generic way via the modeset handler. Drivers that can program primary planes more efficiently, that want to use their own primary plane structure to track additional information, or that don't have the limitations assumed by the helpers are free to provide their own implementation of some or all of these handlers. v3: Tweak kerneldoc formatting slightly to avoid ugliness v2: - Move plane helpers to a new file (drm_plane_helper.c) - Tighten checks on update handler (check for scaling, CRTC coverage, subpixel positioning) - Pass proper panning parameters to modeset interface - Disallow disabling primary plane (and thus CRTC) if other planes are still active on the CRTC. - Use a minimal format list that should work on all hardware/drivers. Drivers may call this function with a more accurate plane list to enable additional formats they can support. Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-02drm: Make drm_crtc_check_viewport non-staticMatt Roper1-0/+4
This function will be used by the universal plane helpers and may also be useful for individual drivers. Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-02drm: Add support for multiple plane types (v2)Matt Roper1-1/+23
The DRM core currently only tracks "overlay"-style planes. Start refactoring the plane handling to allow other plane types (primary and cursor) to also be placed on the DRM plane list. v2: Add drm_for_each_legacy_plane() iterator to smooth transition of drivers with plane loops. Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
2014-04-02drm: Make drm_clflush_virt_range() void*Ville Syrjälä1-1/+1
Currently drm_cflush_virt_rage() takes a char* so the caller probably has to do pointless casting to avoid compiler warnings. Make the argument void* instead to avoid such issues. v2: Use void* arithmetic (Chris) Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-04-02drm/i915: Add a CMD_PARSER_VERSION getparamBrad Volkin1-0/+1
So userspace can query the kernel for command parser support. v2: Add i915_cmd_parser_get_version(), history log, and kerneldoc OTC-Tracker: AXIA-4631 Change-Id: I58af650db9f6753c2dcac9c54ab432fd31db302f Signed-off-by: Brad Volkin <bradley.d.volkin@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-03-31drm/msm: validate flags, etcRob Clark1-0/+11
After reading a nice article on LWN[1], I went back and double checked my handling of invalid-input checking. Turns out there were a couple places I had missed. Since the driver is fairly young, and the devices it supports are really only just barely usable for basic stuff (serial console) with an upstream kernel, I think we should fix this now and revert specific parts of this patch later in the unlikely event that a regression is reported. [1] https://lwn.net/Articles/588444/ Signed-off-by: Rob Clark <robdclark@gmail.com>
2014-03-31drm/msm: add chip-id paramRob Clark1-0/+1
Some of the w/a or different behavior of userspace blob driver seem to be keyed to gpu patch revision, rather than gpu-id. So expose the full chip-id to userspace so it can DTRT. Signed-off-by: Rob Clark <robdclark@gmail.com>
2014-03-31Merge tag 'v3.14' into drm-intel-next-queuedDaniel Vetter12-24/+46
Linux 3.14 The vt-d w/a merged late in 3.14-rc needs a bit of fine-tuning, hence backmerge. Conflicts: drivers/gpu/drm/i915/i915_gem_gtt.c drivers/gpu/drm/i915/intel_ddi.c drivers/gpu/drm/i915/intel_dp.c All trivial adjacent lines changed type conflicts, so trivial git doesn't even show them in the merg commit. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-03-31ext4: atomically set inode->i_flags in ext4_set_inode_flags()Theodore Ts'o1-0/+15
Use cmpxchg() to atomically set i_flags instead of clearing out the S_IMMUTABLE, S_APPEND, etc. flags and then setting them from the EXT4_IMMUTABLE_FL, EXT4_APPEND_FL flags, since this opens up a race where an immutable file has the immutable flag cleared for a brief window of time. Reported-by: John Sullivan <jsrhbz@kanargh.force9.co.uk> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-03-29vlan: Warn the user if lowerdev has bad vlan features.Vlad Yasevich1-0/+7
Some drivers incorrectly assign vlan acceleration features to vlan_features thus causing issues for Q-in-Q vlan configurations. Warn the user of such cases. Signed-off-by: Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-29net: Account for all vlan headers in skb_mac_gso_segmentVlad Yasevich1-1/+1
skb_network_protocol() already accounts for multiple vlan headers that may be present in the skb. However, skb_mac_gso_segment() doesn't know anything about it and assumes that skb->mac_len is set correctly to skip all mac headers. That may not always be the case. If we are simply forwarding the packet (via bridge or macvtap), all vlan headers may not be accounted for. A simple solution is to allow skb_network_protocol to return the vlan depth it has calculated. This way skb_mac_gso_segment will correctly skip all mac headers. Signed-off-by: Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-29ipv6: move DAD and addrconf_verify processing to workqueueHannes Frederic Sowa1-1/+3
addrconf_join_solict and addrconf_join_anycast may cause actions which need rtnl locked, especially on first address creation. A new DAD state is introduced which defers processing of the initial DAD processing into a workqueue. To get rtnl lock we need to push the code paths which depend on those calls up to workqueues, specifically addrconf_verify and the DAD processing. (v2) addrconf_dad_failure needs to be queued up to the workqueue, too. This patch introduces a new DAD state and stop the DAD processing in the workqueue (this is because of the possible ipv6_del_addr processing which removes the solicited multicast address from the device). addrconf_verify_lock is removed, too. After the transition it is not needed any more. As we are not processing in bottom half anymore we need to be a bit more careful about disabling bottom half out when we lock spin_locks which are also used in bh. Relevant backtrace: [ 541.030090] RTNL: assertion failed at net/core/dev.c (4496) [ 541.031143] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G O 3.10.33-1-amd64-vyatta #1 [ 541.031145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [ 541.031146] ffffffff8148a9f0 000000000000002f ffffffff813c98c1 ffff88007c4451f8 [ 541.031148] 0000000000000000 0000000000000000 ffffffff813d3540 ffff88007fc03d18 [ 541.031150] 0000880000000006 ffff88007c445000 ffffffffa0194160 0000000000000000 [ 541.031152] Call Trace: [ 541.031153] <IRQ> [<ffffffff8148a9f0>] ? dump_stack+0xd/0x17 [ 541.031180] [<ffffffff813c98c1>] ? __dev_set_promiscuity+0x101/0x180 [ 541.031183] [<ffffffff813d3540>] ? __hw_addr_create_ex+0x60/0xc0 [ 541.031185] [<ffffffff813cfe1a>] ? __dev_set_rx_mode+0xaa/0xc0 [ 541.031189] [<ffffffff813d3a81>] ? __dev_mc_add+0x61/0x90 [ 541.031198] [<ffffffffa01dcf9c>] ? igmp6_group_added+0xfc/0x1a0 [ipv6] [ 541.031208] [<ffffffff8111237b>] ? kmem_cache_alloc+0xcb/0xd0 [ 541.031212] [<ffffffffa01ddcd7>] ? ipv6_dev_mc_inc+0x267/0x300 [ipv6] [ 541.031216] [<ffffffffa01c2fae>] ? addrconf_join_solict+0x2e/0x40 [ipv6] [ 541.031219] [<ffffffffa01ba2e9>] ? ipv6_dev_ac_inc+0x159/0x1f0 [ipv6] [ 541.031223] [<ffffffffa01c0772>] ? addrconf_join_anycast+0x92/0xa0 [ipv6] [ 541.031226] [<ffffffffa01c311e>] ? __ipv6_ifa_notify+0x11e/0x1e0 [ipv6] [ 541.031229] [<ffffffffa01c3213>] ? ipv6_ifa_notify+0x33/0x50 [ipv6] [ 541.031233] [<ffffffffa01c36c8>] ? addrconf_dad_completed+0x28/0x100 [ipv6] [ 541.031241] [<ffffffff81075c1d>] ? task_cputime+0x2d/0x50 [ 541.031244] [<ffffffffa01c38d6>] ? addrconf_dad_timer+0x136/0x150 [ipv6] [ 541.031247] [<ffffffffa01c37a0>] ? addrconf_dad_completed+0x100/0x100 [ipv6] [ 541.031255] [<ffffffff8105313a>] ? call_timer_fn.isra.22+0x2a/0x90 [ 541.031258] [<ffffffffa01c37a0>] ? addrconf_dad_completed+0x100/0x100 [ipv6] Hunks and backtrace stolen from a patch by Stephen Hemminger. Reported-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28drm/ttm: Add a ttm_ref_object_exists functionThomas Hellstrom1-0/+4
A function to be used to check whether a caller has put a ref object (opened) a struct ttm_base_object Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-28drm/vmwgfx: Allow prime fds in the surface reference ioctlsThomas Hellstrom1-1/+11
Allow prime fds and at the same time block legacy handles for render-nodes in the surface reference ioctls. This means these ioctls can be used directly from prime-aware clients, and that they can be called from render-nodes. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-28drm: Add a function to get the ioctl flagsThomas Hellstrom1-0/+1
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-28drm: Protect the master management with a drm_device::master_mutex v3Thomas Hellstrom1-21/+25
The master management was previously protected by the drm_device::struct_mutex. In order to avoid locking order violations in a reworked dropped master security check in the vmwgfx driver, break it out into a separate master_mutex. Locking order is master_mutex -> struct_mutex. Also remove drm_master::blocked since it's not used. v2: Add an inline comment about what drm_device::master_mutex is protecting. v3: Remove unneeded struct_mutex locks. Fix error returns in drm_setmaster_ioctl(). Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Acked-by: Daniel Vetter <daniel@ffwll.ch>
2014-03-28drm: Remove the minor master listThomas Hellstrom1-2/+0
It doesn't appear to be used anywhere. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
2014-03-28drm: Improve on minor type helpers v3Thomas Hellstrom1-1/+6
Add a drm_is_legacy() helper, constify argument to drm_is_render_client(), and use / change helpers where appropriate. v2: s/drm_is_legacy/drm_is_legacy_client/ and adapt to new code context. v3: s/legacy_client/primary_client/ Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-28drm: Make control nodes master-less v3Thomas Hellstrom1-0/+5
Like for render-nodes, there is no point in maintaining the master concept for control nodes, so set the struct drm_file::master pointer to NULL. At the same time, make sure DRM_MASTER | DRM_CONTROL_ALLOW ioctls are always allowed when called through the control node. Previously the caller also needed to be master. v2: Adapt to refactoring of ioctl permission check. v3: Formatting of logical expression. Use drm_is_control_client() instead of drm_is_control(). Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
2014-03-28drm: Remove the prefix argument of drm_ut_debug_printk()Lespiau, Damien1-11/+6
This is always DRM_NAME, so we can just make it part of the format string instead of asking prink to do it for us. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-28drm: Pull the test on drm_debug in the logging macrosLespiau, Damien1-12/+15
In the logging code, we are currently checking is we need to output in drm_ut_debug_printk(). This is too late. The problem is that when we write something like: DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", connector->base.id, drm_get_connector_name(connector), connector->encoder->base.id, drm_get_encoder_name(connector->encoder)); We start by evaluating the arguments (so call drm_get_connector_name() and drm_get_connector_name()) before ending up in drm_ut_debug_printk() which will then does nothing. This means we execute a lot of instructions (drm_get_connector_name(), in turn, calls snprintf() for example) to happily discard them in the normal case, drm.debug=0. So, let's put the test on drm_debug earlier, in the macros themselves. Sprinkle an unlikely() as well for good measure. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-28drm: Remove the now unused DRM_LOG* macrosLespiau, Damien1-19/+0
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-28drm: Remove the unused (and unusable) DRM_LOG_MODE()Lespiau, Damien1-6/+0
This macro was trying to use the non existing DRM_UT_MODE debug category and looks like it should be covered by DRM_LOG_KMS(). Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-28drm: Refresh the explanation of debug categoriesLespiau, Damien1-30/+27
That comment wasn't super-readable, so I tried to improve it: - Put the comment before the values it's documenting - Add a mention to PRIME - Reword things a bit to be a lighter read - Add a note about the option to set the debug value at run-time Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-27core, nfqueue, openvswitch: Orphan frags in skb_zerocopy and handle errorsZoltan Kiss1-2/+2
skb_zerocopy can copy elements of the frags array between skbs, but it doesn't orphan them. Also, it doesn't handle errors, so this patch takes care of that as well, and modify the callers accordingly. skb_tx_error() is also added to the callers so they will signal the failed delivery towards the creator of the skb. Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27usbnet: include wait queue head in device structureOliver Neukum1-1/+1
This fixes a race which happens by freeing an object on the stack. Quoting Julius: > The issue is > that it calls usbnet_terminate_urbs() before that, which temporarily > installs a waitqueue in dev->wait in order to be able to wait on the > tasklet to run and finish up some queues. The waiting itself looks > okay, but the access to 'dev->wait' is totally unprotected and can > race arbitrarily. I think in this case usbnet_bh() managed to succeed > it's dev->wait check just before usbnet_terminate_urbs() sets it back > to NULL. The latter then finishes and the waitqueue_t structure on its > stack gets overwritten by other functions halfway through the > wake_up() call in usbnet_bh(). The fix is to just not allocate the data structure on the stack. As dev->wait is abused as a flag it also takes a runtime PM change to fix this bug. Signed-off-by: Oliver Neukum <oneukum@suse.de> Reported-by: Grant Grundler <grundler@google.com> Tested-by: Grant Grundler <grundler@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds3-8/+14
Pull networking fixes from David Miller: 1) OpenVswitch's lookup_datapath() returns error pointers, so don't check against NULL. From Jiri Pirko. 2) pfkey_compile_policy() code path tries to do a GFP_KERNEL allocation under RCU locks, fix by using GFP_ATOMIC when necessary. From Nikolay Aleksandrov. 3) phy_suspend() indirectly passes uninitialized data into the ethtool get wake-on-land implementations. Fix from Sebastian Hesselbarth. 4) CPSW driver unregisters CPTS twice, fix from Benedikt Spranger. 5) If SKB allocation of reply packet fails, vxlan's arp_reduce() defers a NULL pointer. Fix from David Stevens. 6) IPV6 neigh handling in vxlan doesn't validate the destination address properly, and it builds a packet with the src and dst reversed. Fix also from David Stevens. 7) Fix spinlock recursion during subscription failures in TIPC stack, from Erik Hugne. 8) Revert buggy conversion of davinci_emac to devm_request_irq, from Chrstian Riesch. 9) Wrong flags passed into forwarding database netlink notifications, from Nicolas Dichtel. 10) The netpoll neighbour soliciation handler checks wrong ethertype, needs to be ETH_P_IPV6 rather than ETH_P_ARP. Fix from Li RongQing. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits) tipc: fix spinlock recursion bug for failed subscriptions vxlan: fix nonfunctional neigh_reduce() net: davinci_emac: Fix rollback of emac_dev_open() net: davinci_emac: Replace devm_request_irq with request_irq netpoll: fix the skb check in pkt_is_ns net: micrel : ks8851-ml: add vdd-supply support ip6mr: fix mfc notification flags ipmr: fix mfc notification flags rtnetlink: fix fdb notification flags tcp: syncookies: do not use getnstimeofday() netlink: fix setsockopt in mmap examples in documentation openvswitch: Correctly report flow used times for first 5 minutes after boot. via-rhine: Disable device in error path ATHEROS-ATL1E: Convert iounmap to pci_iounmap vxlan: fix potential NULL dereference in arp_reduce() cnic: Update version to 2.5.20 and copyright year. cnic,bnx2i,bnx2fc: Fix inconsistent use of page size cnic: Use proper ulp_ops for per device operations. net: cdc_ncm: fix control message ordering ipv6: ip6_append_data_mtu do not handle the mtu of the second fragment properly ...
2014-03-24drm/bridge/ptn3460: fix modular buildDave Airlie1-1/+1
This failed to build =m, quick fix. Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-23drm/bridge: Add PTN3460 bridge driverSean Paul1-0/+37
This patch adds a drm_bridge driver for the PTN3460 DisplayPort to LVDS bridge chip. Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Inki Dae <inki.dae@samsung.com>
2014-03-21Merge tag 'trace-fixes-v3.14-rc7' of ↵Linus Torvalds2-9/+2
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull trace fix from Steven Rostedt: "Vaibhav Nagarnaik discovered that since 3.10 a clean-up patch made the array index in the trace event format bogus. He supplied an elegant solution that uses __stringify() and also removes the need for the event_storage and event_storage_mutex and also cuts off a few K of overhead from the trace events" * tag 'trace-fixes-v3.14-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Fix array size mismatch in format string
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