- 27 Jan, 2017 11 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linuxLinus Torvalds authored
Pull thermal management fix from Zhang Rui: "A single revert from a recently introduced problem. Specifics: Commit 7611fb68 ("thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()"), which was introduced in 4.10-rc5, uses new hwmon API. But this breaks some soc thermal driver because the new hwmon API has a strict rule for the hwmon device name. Revert the offending commit as a quick solution for 4.10" * 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: Revert "thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()"
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "This is the main request for rc6, since really the one earlier was the rc5 one :-) The main thing are the nouveau specific race fixes for the connector locking bug we fixed in -next and reverted here as it has quite large prereqs. These two fixes should solve the problem at that level and we can fix it properly in 4.11 Otherwise i915 has a bunch of changes, one ABI change for GVT related stuff, some VC4 leak fixes, one core fence fix and some AMD changes, oh and one ast hang avoidance fix. Hoping it calms down around now" * tag 'drm-fixes-for-v4.10-rc6-part-two' of git://people.freedesktop.org/~airlied/linux: (25 commits) drm/nouveau: Handle fbcon suspend/resume in seperate worker drm/nouveau: Don't enabling polling twice on runtime resume drm/ast: Fixed system hanged if disable P2A Revert "drm/radeon: always apply pci shutdown callbacks" drm/i915: reinstate call to trace_i915_vma_bind drm/i915: Move atomic state free from out of fence release drm/i915: Check for NULL atomic state in intel_crtc_disable_noatomic() drm/i915: Fix calculation of rotated x and y offsets for planar formats drm/i915: Don't init hpd polling for vlv and chv from runtime_suspend() drm/i915: Don't leak edid in intel_crt_detect_ddc() drm/i915: Release temporary load-detect state upon switching drm/i915: prevent crash with .disable_display parameter drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume MAINTAINERS: update new mail list for intel gvt driver drm/i915/gvt: Fix kmem_cache_create() name drm/i915/gvt/kvmgt: mdev ABI is available_instances, not available_instance drm/amdgpu: fix unload driver issue for virtual display drm/amdgpu: check ring being ready before using drm/vc4: Return -EINVAL on the overflow checks failing. drm/vc4: Fix an integer overflow in temporary allocation layout. ...
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Dave Airlie authored
Merge tag 'drm-intel-fixes-2017-01-26' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes More fixes than I'd like at this stage, but I think the holidays and conferences have delayed finding and fixing the stuff a bit. Almost all of them have Fixes: tags, so it's not just random fixes, we can point fingers at the commits that broke stuff. There's an ABI fix to GVT from Alex, before we go on an release a kernel with the wrong attribute name. * tag 'drm-intel-fixes-2017-01-26' of git://anongit.freedesktop.org/git/drm-intel: drm/i915: reinstate call to trace_i915_vma_bind drm/i915: Move atomic state free from out of fence release drm/i915: Check for NULL atomic state in intel_crtc_disable_noatomic() drm/i915: Fix calculation of rotated x and y offsets for planar formats drm/i915: Don't init hpd polling for vlv and chv from runtime_suspend() drm/i915: Don't leak edid in intel_crt_detect_ddc() drm/i915: Release temporary load-detect state upon switching drm/i915: prevent crash with .disable_display parameter drm/i915: Avoid drm_atomic_state_put(NULL) in intel_display_resume MAINTAINERS: update new mail list for intel gvt driver drm/i915/gvt: Fix kmem_cache_create() name drm/i915/gvt/kvmgt: mdev ABI is available_instances, not available_instance drm/i915/gvt: Fix relocation of shadow bb drm/i915/gvt: Enable the shadow batch buffer
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull ACPI fixes from Rafael Wysocki: "These fix two regressions introduced recently, one by reverting the problematic commit and one by fixing up locking in the ACPICA core. Specifics: - Revert a recent change that added an ACPI video blacklist entry for HP Pavilion dv6 as it turned to introduce backlight handling regressions on some systems (Hans de Goede). - Fix locking in the ACPICA core to avoid deadlocks related to table loading that were exposed by a recent change in that area (Lv Zheng)" * tag 'acpi-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPI / video: Add force_native quirk for HP Pavilion dv6" ACPICA: Tables: Fix hidden logic related to acpi_tb_install_standard_table()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael Wysocki: "These fix two regressions introduced recently, one by reverting the problematic commit and one by fixing up the behavior in an overlooked case. Specifics: - Revert the recent change that caused suspend-to-idle to be used as the default suspend method on systems where it is indicated to be efficient by the ACPI tables, as that turned out to be premature and introduced suspend regressions on some systems with missing power management support in device drivers (Rafael Wysocki). - Fix up the intel_pstate driver to take changes of the global limits via sysfs correctly when the performance policy is used which has been broken by a recent change in it (Srinivas Pandruvada)" * tag 'pm-4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: intel_pstate: Fix sysfs limits enforcement for performance policy Revert "PM / sleep / ACPI: Use the ACPI_FADT_LOW_POWER_S0 flag"
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Lyude Paul authored
Resuming from RPM can happen while already holding dev->mode_config.mutex. This means we can't actually handle fbcon in any RPM resume workers, since restoring fbcon requires grabbing dev->mode_config.mutex again. So move the fbcon suspend/resume code into it's own worker, and rely on that instead to avoid deadlocking. This fixes more deadlocks for runtime suspending the GPU on the ThinkPad W541. Reproduction recipe: - Get a machine with both optimus and a nvidia card with connectors attached to it - Wait for the nvidia GPU to suspend - Attempt to manually reprobe any of the connectors on the nvidia GPU using sysfs - *deadlock* [airlied: use READ_ONCE to address Hans's comment] Signed-off-by: Lyude <lyude@redhat.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Kilian Singer <kilian.singer@quantumtechnology.info> Cc: Lukas Wunner <lukas@wunner.de> Cc: David Airlie <airlied@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Lyude Paul authored
As it turns out, on cards that actually have CRTCs on them we're already calling drm_kms_helper_poll_enable(drm_dev) from nouveau_display_resume() before we call it in nouveau_pmops_runtime_resume(). This leads us to accidentally trying to enable polling twice, which results in a potential deadlock between the RPM locks and drm_dev->mode_config.mutex if we end up trying to enable polling the second time while output_poll_execute is running and holding the mode_config lock. As such, make sure we only enable polling in nouveau_pmops_runtime_resume() if we need to. This fixes hangs observed on the ThinkPad W541 Signed-off-by: Lyude <lyude@redhat.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Kilian Singer <kilian.singer@quantumtechnology.info> Cc: Lukas Wunner <lukas@wunner.de> Cc: David Airlie <airlied@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Y.C. Chen authored
The original ast driver will access some BMC configuration through P2A bridge that can be disabled since AST2300 and after. It will cause system hanged if P2A bridge is disabled. Here is the update to fix it. Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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https://github.com/anholt/linuxDave Airlie authored
This pull request brings in a few little error checking fixes and one slow memory leak fix. * tag 'drm-vc4-fixes-2017-01-23' of https://github.com/anholt/linux: drm/vc4: Return -EINVAL on the overflow checks failing. drm/vc4: Fix an integer overflow in temporary allocation layout. drm/vc4: fix a bounds check drm/vc4: Fix memory leak of the CRTC state.
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git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
Just a few small fixes. * 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux: Revert "drm/radeon: always apply pci shutdown callbacks" drm/amdgpu: fix unload driver issue for virtual display drm/amdgpu: check ring being ready before using
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git://anongit.freedesktop.org/git/drm-miscDave Airlie authored
Single fence fix. * tag 'drm-misc-fixes-2017-01-23' of git://anongit.freedesktop.org/git/drm-misc: drm/fence: fix memory overwrite when setting out_fence fd
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- 26 Jan, 2017 5 commits
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Rafael J. Wysocki authored
* acpica: ACPICA: Tables: Fix hidden logic related to acpi_tb_install_standard_table() * acpi-video: Revert "ACPI / video: Add force_native quirk for HP Pavilion dv6"
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Rafael J. Wysocki authored
* pm-sleep: Revert "PM / sleep / ACPI: Use the ACPI_FADT_LOW_POWER_S0 flag" * pm-cpufreq: cpufreq: intel_pstate: Fix sysfs limits enforcement for performance policy
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Eric Dumazet authored
We perform the conversion between kernel jiffies and ms only when exporting kernel value to user space. We need to do the opposite operation when value is written by user. Only matters when HZ != 1000 Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlLinus Torvalds authored
Pull pin control fixes from Linus Walleij: "A bunch of pin control fixes for v4.10 that didn't get sent off until now, sorry for the delay. It's only driver fixes: - A bunch of fixes to the Intel drivers: broxton, baytrail. Bugs related to register offsets, IRQ, debounce functionality. - Fix a conflict amongst UART settings on the meson. - Fix the ethernet setting on the Uniphier. - A compilation warning squelched" * tag 'pinctrl-v4.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: uniphier: fix Ethernet (RMII) pin-mux setting for LD20 pinctrl: meson: fix uart_ao_b for GXBB and GXL/GXM pinctrl: amd: avoid maybe-uninitalized warning pinctrl: baytrail: Do not add all GPIOs to IRQ domain pinctrl: baytrail: Rectify debounce support pinctrl: intel: Set pin direction properly pinctrl: broxton: Use correct PADCFGLOCK offset
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm revert from Dave Airlie: "Revert one patch missing some prereqs. One of the connector fixes was missing some prereqs, we have an alternate driver fix that should work that I'll send tomorrow. Today is a holiday here so quickly smashing this out" Daniel Vetter explains: "I pushed a locking change to fix a nouveau rpm issue to -fixes that needed the connector_list rework. And that's only in -next, but I missed that. Dave has the revert in a pull, and he'll follow-up with the hack nouveau patch for 4.10, and then we'll reapply the proper fix again for -next and revert the hacks. A bit a mess, but should be sorted soon" * tag 'drm-fixes-for-v4.10-rc6-revert-one' of git://people.freedesktop.org/~airlied/linux: Revert "drm/probe-helpers: Drop locking from poll_enable"
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- 25 Jan, 2017 24 commits
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Alex Deucher authored
This seems to break reboot on some evergreen systems. bugs: https://bugs.freedesktop.org/show_bug.cgi?id=99524 https://bugzilla.kernel.org/show_bug.cgi?id=192271 This reverts commit a481daa8. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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Dave Airlie authored
This reverts commit 3846fd9b. There were some precursor commits missing for this around connector locking, we should probably merge Lyude's nouveau avoid the problem patch.
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git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds authored
Pull virtio/vhost fixes from Michael Tsirkin: - ARM DMA fixes - vhost vsock bugfix * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vring: Force use of DMA API for ARM-based systems with legacy devices virtio_mmio: Set DMA masks appropriately vhost/vsock: handle vhost_vq_init_access() error
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Hans de Goede authored
Revert commit 6276e53f (ACPI / video: Add force_native quirk for HP Pavilion dv6). In the commit message for the quirk this revert removes I wrote: "Note that there are quite a few HP Pavilion dv6 variants, some woth ATI and some with NVIDIA hybrid gfx, both seem to need this quirk to have working backlight control. There are also some versions with only Intel integrated gfx, these may not need this quirk, but it should not hurt there." Unfortunately that seems wrong, I've already received 2 reports of this commit causing regressions on some dv6 variants (at least one of which actually has a nvidia GPU). So it seems that HP has made a mess here by using the same model-name both in marketing and in the DMI data for many different variants. Some of which need acpi_backlight=native for functional backlight control (as the quirk this commit reverts was doing), where as others are broken by it. So lets get back to the old sitation so as to avoid regressing on models which used to work without any kernel cmdline arguments before. Fixes: 6276e53f (ACPI / video: Add force_native quirk for HP Pavilion dv6) Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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https://github.com/01org/gvt-linuxJani Nikula authored
gvt-fixes-2017-01-25 - re-enable shadow batch buffer for security that was falsely turned off. - kvmgt/mdev typo fix for correct ABI - gvt mail list change Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Daniele Ceraolo Spurio authored
The call went away in: commit 3b16525c Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Thu Aug 4 16:32:25 2016 +0100 drm/i915: Split insertion/binding of an object into the VM It is useful to have this trace as it pairs nicely with the vma_unbind one to track vma activity. Added inside the i915_vma_bind function (was outside before) to keep a similar placement as trace_i915_vma_unbind. v2: print bind_flags instead of flags (Chris) Fixes: 3b16525c ("drm/i915: Split insertion/binding of an object into the VM") Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1484949083-11430-1-git-send-email-daniele.ceraolospurio@intel.comReviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> (cherry picked from commit 6146e6da) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Chris Wilson authored
Fences are required to support being released from under an atomic context. The drm_atomic_state struct may take a mutex when being released and so we cannot drop a reference to the drm_atomic_state from the fence release path directly, and so we need to defer that unreference to a worker. [ 326.576697] WARNING: CPU: 2 PID: 366 at kernel/sched/core.c:7737 __might_sleep+0x5d/0x80 [ 326.576816] do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffffc0359549>] intel_breadcrumbs_signaler+0x59/0x270 [i915] [ 326.576818] Modules linked in: rfcomm fuse snd_hda_codec_hdmi bnep snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer input_leds led_class snd punit_atom_debug btusb btrtl btbcm btintel intel_rapl bluetooth i915 drm_kms_helper syscopyarea sysfillrect iwlwifi sysimgblt soundcore fb_sys_fops mei_txe cfg80211 drm pwm_lpss_platform pwm_lpss pinctrl_cherryview fjes acpi_pad parport_pc ppdev parport autofs4 [ 326.576899] CPU: 2 PID: 366 Comm: i915/signal:0 Tainted: G U 4.10.0-rc3-patser+ #5030 [ 326.576902] Hardware name: /NUC5PPYB, BIOS PYBSWCEL.86A.0031.2015.0601.1712 06/01/2015 [ 326.576905] Call Trace: [ 326.576920] dump_stack+0x4d/0x6d [ 326.576926] __warn+0xc0/0xe0 [ 326.576931] warn_slowpath_fmt+0x5a/0x80 [ 326.577004] ? intel_breadcrumbs_signaler+0x59/0x270 [i915] [ 326.577075] ? intel_breadcrumbs_signaler+0x59/0x270 [i915] [ 326.577079] __might_sleep+0x5d/0x80 [ 326.577087] mutex_lock+0x1b/0x40 [ 326.577133] drm_property_free_blob+0x1e/0x80 [drm] [ 326.577167] ? drm_property_destroy+0xe0/0xe0 [drm] [ 326.577200] drm_mode_object_unreference+0x5c/0x70 [drm] [ 326.577233] drm_property_unreference_blob+0xe/0x10 [drm] [ 326.577260] __drm_atomic_helper_crtc_destroy_state+0x14/0x40 [drm_kms_helper] [ 326.577278] drm_atomic_helper_crtc_destroy_state+0x10/0x20 [drm_kms_helper] [ 326.577352] intel_crtc_destroy_state+0x9/0x10 [i915] [ 326.577388] drm_atomic_state_default_clear+0xea/0x1d0 [drm] [ 326.577462] intel_atomic_state_clear+0xd/0x20 [i915] [ 326.577497] drm_atomic_state_clear+0x1a/0x30 [drm] [ 326.577532] __drm_atomic_state_free+0x13/0x60 [drm] [ 326.577607] intel_atomic_commit_ready+0x6f/0x78 [i915] [ 326.577670] i915_sw_fence_release+0x3a/0x50 [i915] [ 326.577733] dma_i915_sw_fence_wake+0x39/0x80 [i915] [ 326.577741] dma_fence_signal+0xda/0x120 [ 326.577812] ? intel_breadcrumbs_signaler+0x59/0x270 [i915] [ 326.577884] intel_breadcrumbs_signaler+0xb1/0x270 [i915] [ 326.577889] kthread+0x127/0x130 [ 326.577961] ? intel_engine_remove_wait+0x1a0/0x1a0 [i915] [ 326.577964] ? kthread_stop+0x120/0x120 [ 326.577970] ret_from_fork+0x22/0x30 Fixes: c004a90b ("drm/i915: Restore nonblocking awaits for modesetting") Reported-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170123212939.30345-1-chris@chris-wilson.co.uk Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+ Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> (cherry picked from commit eb955eee) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Ander Conselvan de Oliveira authored
In intel_crtc_disable_noatomic(), bail on a failure to allocate an atomic state to avoid a NULL pointer dereference. Fixes: 4a806558 ("drm/i915: Pass atomic state to crtc enable/disable functions") Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: intel-gfx@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v4.9+ Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1484922525-6131-4-git-send-email-ander.conselvan.de.oliveira@intel.com (cherry picked from commit 31bb2ef9) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Ander Conselvan de Oliveira authored
Parameters tile_size, tile_width and tile_height were passed in the wrong order to _intel_adjust_tile_offset() when calculating the rotated offsets. This doesn't fix any user visible bug, since for packed formats new and old offset are the same and the rotated offsets are within a tile before they are fed to _intel_adjust_tile_offset(). In that case, the offsets are unchanged. That is not true for planar formats, but those are currently not supported. Fixes: 66a2d927 ("drm/i915: Make intel_adjust_tile_offset() work for linear buffers") Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: intel-gfx@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v4.9+ Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1484922525-6131-3-git-send-email-ander.conselvan.de.oliveira@intel.com (cherry picked from commit 46a1bd28) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Ander Conselvan de Oliveira authored
An error in the condition for avoiding the call to intel_hpd_poll_init() for valleyview and cherryview from intel_runtime_suspend() caused it to be called unconditionally. Fix it. Fixes: 19625e85 ("drm/i915: Enable polling when we don't have hpd") Cc: stable@vger.kernel.org Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Lyude <cpaul@redhat.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: intel-gfx@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v4.9+ Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1484922525-6131-2-git-send-email-ander.conselvan.de.oliveira@intel.com (cherry picked from commit 04313b00) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Ander Conselvan de Oliveira authored
In the path where intel_crt_detect_ddc() detects a CRT, if would return true without freeing the edid. Fixes: a2bd1f54 ("drm/i915: check whether we actually received an edid in detect_ddc") Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: intel-gfx@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v3.6+ Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1484922525-6131-1-git-send-email-ander.conselvan.de.oliveira@intel.com (cherry picked from commit c96b63a6) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Chris Wilson authored
After we call drm_atomic_commit() on the load-detect state, we can free our local reference. Upon restore, we only apply and free the previous state. Fixes: 0853695c ("drm: Add reference counting to drm_atomic_state") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+ Link: http://patchwork.freedesktop.org/patch/msgid/20170119113749.2517-1-chris@chris-wilson.co.ukReviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> (cherry picked from commit 7abbd11f) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Clint Taylor authored
The .disable_display parameter was causing a fatal crash when fbdev was dereferenced during driver init. V1: protection in i915_drv.c V2: Moved protection to intel_fbdev.c Fixes: 43cee314 ("drm/i915/fbdev: Limit the global async-domain synchronization") Testcase: igt/drv_module_reload/basic-no-display Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1484775523-29428-1-git-send-email-clinton.a.taylor@intel.comReviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Lukas Wunner <lukas@wunner.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: <stable@vger.kernel.org> # v4.8+ Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> (cherry picked from commit 5b8cd075) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Chris Wilson authored
intel_display_resume() may be called without an atomic state to restore, i.e. dev_priv->modeset_reset_restore state is NULL. One such case is following a lid open/close event and the forced modeset in intel_lid_notify(). Reported-by: Stefan Seyfried <stefan.seyfried@googlemail.com> Tested-by: Stefan Seyfried <stefan.seyfried@googlemail.com> Fixes: 0853695c ("drm: Add reference counting to drm_atomic_state") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.10-rc1+ Link: http://patchwork.freedesktop.org/patch/msgid/20170115125825.18597-1-chris@chris-wilson.co.ukReviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com> (cherry picked from commit 3c5e37f1) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Zhenyu Wang authored
We've moved to lists.freedesktop.org from lists.01.org. Update info in MAINTAINERS. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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Alex Williamson authored
According to kmem_cache_sanity_check(), spaces are not allowed in the name of a cache and results in a kernel oops with CONFIG_DEBUG_VM. Convert to underscores. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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Alex Williamson authored
Per the ABI specification[1], each mdev_supported_types entry should have an available_instances, with an "s", not available_instance. [1] Documentation/ABI/testing/sysfs-bus-vfio-mdev Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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Fabio Estevam authored
This reverts commit 7611fb68 ("thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()"). Pavel Machek reported breakage in the Nokia N900 due to this commit. We can revisit a proper fix for the warning later. Reported-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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Linus Torvalds authored
Merge fixes from Andrew Morton: "26 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (26 commits) MAINTAINERS: add Dan Streetman to zbud maintainers MAINTAINERS: add Dan Streetman to zswap maintainers mm: do not export ioremap_page_range symbol for external module mn10300: fix build error of missing fpu_save() romfs: use different way to generate fsid for BLOCK or MTD frv: add missing atomic64 operations mm, page_alloc: fix premature OOM when racing with cpuset mems update mm, page_alloc: move cpuset seqcount checking to slowpath mm, page_alloc: fix fast-path race with cpuset update or removal mm, page_alloc: fix check for NULL preferred_zone kernel/panic.c: add missing \n fbdev: color map copying bounds checking frv: add atomic64_add_unless() mm/mempolicy.c: do not put mempolicy before using its nodemask radix-tree: fix private list warnings Documentation/filesystems/proc.txt: add VmPin mm, memcg: do not retry precharge charges proc: add a schedule point in proc_pid_readdir() mm: alloc_contig: re-allow CMA to compact FS pages mm/slub.c: trace free objects at KERN_INFO ...
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Dan Streetman authored
Add myself as zbud maintainer. Link: http://lkml.kernel.org/r/20170124221705.26523-1-ddstreet@ieee.orgSigned-off-by: Dan Streetman <ddstreet@ieee.org> Cc: Seth Jennings <sjenning@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Dan Streetman authored
Add myself as zswap maintainer. Link: http://lkml.kernel.org/r/20170124212200.19052-1-ddstreet@ieee.orgSigned-off-by: Dan Streetman <ddstreet@ieee.org> Acked-by: Seth Jennings <sjenning@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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zhong jiang authored
Recently, I've found cases in which ioremap_page_range was used incorrectly, in external modules, leading to crashes. This can be partly attributed to the fact that ioremap_page_range is lower-level, with fewer protections, as compared to the other functions that an external module would typically call. Those include: ioremap_cache ioremap_nocache ioremap_prot ioremap_uc ioremap_wc ioremap_wt ...each of which wraps __ioremap_caller, which in turn provides a safer way to achieve the mapping. Therefore, stop EXPORT-ing ioremap_page_range. Link: http://lkml.kernel.org/r/1485173220-29010-1-git-send-email-zhongjiang@huawei.comSigned-off-by: zhong jiang <zhongjiang@huawei.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Suggested-by: John Hubbard <jhubbard@nvidia.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Randy Dunlap authored
When CONFIG_FPU is not enabled on arch/mn10300, <asm/switch_to.h> causes a build error with a call to fpu_save(): kernel/built-in.o: In function `.L410': core.c:(.sched.text+0x28a): undefined reference to `fpu_save' Fix this by including <asm/fpu.h> in <asm/switch_to.h> so that an empty static inline fpu_save() is defined. Link: http://lkml.kernel.org/r/dc421c4f-4842-4429-1b99-92865c2f24b6@infradead.orgSigned-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kbuild test robot <fengguang.wu@intel.com> Reviewed-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Coly Li authored
Commit 8a59f5d2 ("fs/romfs: return f_fsid for statfs(2)") generates a 64bit id from sb->s_bdev->bd_dev. This is only correct when romfs is defined with CONFIG_ROMFS_ON_BLOCK. If romfs is only defined with CONFIG_ROMFS_ON_MTD, sb->s_bdev is NULL, referencing sb->s_bdev->bd_dev will triger an oops. Richard Weinberger points out that when CONFIG_ROMFS_BACKED_BY_BOTH=y, both CONFIG_ROMFS_ON_BLOCK and CONFIG_ROMFS_ON_MTD are defined. Therefore when calling huge_encode_dev() to generate a 64bit id, I use the follow order to choose parameter, - CONFIG_ROMFS_ON_BLOCK defined use sb->s_bdev->bd_dev - CONFIG_ROMFS_ON_BLOCK undefined and CONFIG_ROMFS_ON_MTD defined use sb->s_dev when, - both CONFIG_ROMFS_ON_BLOCK and CONFIG_ROMFS_ON_MTD undefined leave id as 0 When CONFIG_ROMFS_ON_MTD is defined and sb->s_mtd is not NULL, sb->s_dev is set to a device ID generated by MTD_BLOCK_MAJOR and mtd index, otherwise sb->s_dev is 0. This is a try-best effort to generate a uniq file system ID, if all the above conditions are not meet, f_fsid of this romfs instance will be 0. Generally only one romfs can be built on single MTD block device, this method is enough to identify multiple romfs instances in a computer. Link: http://lkml.kernel.org/r/1482928596-115155-1-git-send-email-colyli@suse.deSigned-off-by: Coly Li <colyli@suse.de> Reported-by: Nong Li <nongli1031@gmail.com> Tested-by: Nong Li <nongli1031@gmail.com> Cc: Richard Weinberger <richard.weinberger@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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