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2014-06-19Merge tag 'sound-3.16-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "The significant part here is a few security fixes for ALSA core control API by Lars. Besides that, there are a few fixes for ASoC sigmadsp (again by Lars) for building properly, and small fixes for ASoC rsnd, MMP, PXA and FSL, in addition to a fix for bogus WARNING in i915/HD-audio binding" * tag 'sound-3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: control: Make sure that id->index does not overflow ALSA: control: Handle numid overflow ALSA: control: Don't access controls outside of protected regions ALSA: control: Fix replacing user controls ALSA: control: Protect user controls against concurrent access drm/i915, HD-audio: Don't continue probing when nomodeset is given ASoC: fsl: Fix build problem ASoC: rsnd: fixup index of src/dst mod when capture ASoC: fsl_spdif: Fix integer overflow when calculating divisors ASoC: fsl_spdif: Fix incorrect usage of regmap_read() ASoC: dapm: Make sure register value is in sync with DAPM kcontrol state ASoC: sigmadsp: Split regmap and I2C support into separate modules ASoC: MMP audio needs sram support ASoC: pxa: add I2C dependencies as needed
2014-06-19Merge tag 'drm-intel-fixes-2014-06-17' of ↵Dave Airlie
git://anongit.freedesktop.org/drm-intel into drm-next First round of fixes for 3.16-rc, mostly cc: stable, and the vt/vgacon fixes from Daniel [1] to avoid hangs and unclaimed register errors on module load/reload. * tag 'drm-intel-fixes-2014-06-17' of git://anongit.freedesktop.org/drm-intel: drm/i915/bdw: remove erroneous chv specific workarounds from bdw code drm/i915: fix possible refcount leak when resetting forcewake drm/i915: Reorder semaphore deadlock check drm/i95: Initialize active ring->pid to -1 drm/i915: set backlight duty cycle after backlight enable for gen4 drm/i915: Avoid div-by-zero when pixel_multiplier is zero drm/i915: Disable FBC by default also on Haswell and later drm/i915: Kick out vga console drm/i915: Fixup global gtt cleanup vt: Don't ignore unbind errors in vt_unbind vt: Fix up unregistration of vt drivers vt: Fix replacement console check when unbinding
2014-06-19drm: fix uninitialized acquire_ctx fields (v2)Rob Clark
The acquire ctx will typically be declared on the stack, which means we could have garbage values for any uninitialized field. In this case, it was triggering WARN_ON()s because 'contended' had garbage value. Go ahead and use memset() to be more future-proof. v2: now with extra brown paper bag Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Rob Clark <robdclark@gmail.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-06-18drm/radeon: Fix radeon_irq_kms_pflip_irq_get/put() imbalanceMichel Dänzer
Fixes a regression in 3.16-rc1 compared to 3.15. The unbalanced calls would presumably result in the page flip interrupts never getting disabled once they are enabled. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-06-18Revert "drm/radeon: remove drm_vblank_get|put from pflip handling"Michel Dänzer
This reverts commit 75f36d861957cb05b7889af24c8cd4a789398304. drm_vblank_get() is necessary to ensure the DRM vblank counter value is up to date in drm_send_vblank_event(). Seems to fix weston hangs waiting for page flips to complete. Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-06-18drm/radeon: improve dvi_mode_validAlex Deucher
Make sure we have an HDMI monitor before validating modes with clocks >165 Mhz on single link connections. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-06-18drm/radeon: update mode_valid testing for DPAlex Deucher
When we have a passive adapter validate the clocks against the HMDI/DVI limits. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-06-18drm/radeon: Use dce5/6 hdmi deep color clock setup also on dce8+Mario Kleiner
Need to use the adjusted clock on dce8 as well. bug: https://bugs.freedesktop.org/show_bug.cgi?id=80029 Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-06-18Merge branch 'drm-nouveau-next' of ↵Dave Airlie
git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next couple more DP regression fixes. * 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: drm/nouveau/disp: fix oops in destructor with headless cards drm/gf117/i2c: no aux channels on this chipset
2014-06-18drm/nouveau/disp: fix oops in destructor with headless cardsMaarten Lankhorst
If init doesn't run then disp->outp might not be initialized, resulting in an oops. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-18drm/gf117/i2c: no aux channels on this chipsetBen Skeggs
Reported-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17Merge branch 'drm-next-3.16' of git://people.freedesktop.org/~agd5f/linux ↵Dave Airlie
into drm-next two fixes for the deep color support in radeon. * 'drm-next-3.16' of git://people.freedesktop.org/~agd5f/linux: drm/radeon: Bypass hw lut's for > 8 bpc framebuffer scanout. drm/radeon: use pixel formats instead of depth/bpp
2014-06-17Merge branch 'drm-nouveau-next' of ↵Dave Airlie
git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next This is bigger because it regenerates the internal firmwares after a fix. * 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: drm/nouveau/doc: update the thermal documentation drm/nouveau/pwr: fix typo in fifo wrap handling drm/nv50/disp: fix a potential oops in supervisor handling drm/nouveau/disp/dp: don't touch link config after success drm/nouveau/kms: reference vblank for crtc during pageflip. drm/gk104/fb/ram: fixups from an earlier search+replace drm/nv50/gr: remove an unneeded write while initialising PGRAPH drm/nv50/gr: fix overlap while zeroing zcull regions drm/gf100-/gr: report class data to host on fwmthd failure drm/gk104/ibus: increase various random timeouts drm/gk104/clk: only touch divider for mode we'll be using
2014-06-17drm/nouveau/pwr: fix typo in fifo wrap handlingBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17drm/nv50/disp: fix a potential oops in supervisor handlingBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17drm/nouveau/disp/dp: don't touch link config after successBen Skeggs
I don't know of anything this fixes, but it seems wrong anyway. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17drm/nouveau/kms: reference vblank for crtc during pageflip.Mario Kleiner
Need to drm_vblank_get/put() the crtc involved in a pending pageflip, or we might not get vblank irqs and updates of vblank counts and timestamps for pageflip events and flip completion. Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Cc: stable@vger.kernel.org
2014-06-17drm/gk104/fb/ram: fixups from an earlier search+replaceBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17drm/nv50/gr: remove an unneeded write while initialising PGRAPHPierre Moreau
The blob does not seem to write at that place for my NVAC, though it does for my NV96, agreeing with what is done in the if/else structure below. I guess someone forgot to remove the line when the if/else was put in place. Signed-off-by: Pierre Moreau <pierre.morrow@free.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17drm/nv50/gr: fix overlap while zeroing zcull regionsPierre Moreau
The specified stride was not correct, resulting in erases overlapping and part of the zcull regions being not erased at all. Signed-off-by: Pierre Moreau <pierre.morrow@free.fr> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17drm/gf100-/gr: report class data to host on fwmthd failureBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17drm/gk104/ibus: increase various random timeoutsBen Skeggs
Fixes (at least) PTHERM accesses timing out at higher clock speeds. Values and registers taken from what the binary driver does. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-17drm/gk104/clk: only touch divider for mode we'll be usingBen Skeggs
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2014-06-16drm/i915, HD-audio: Don't continue probing when nomodeset is givenTakashi Iwai
When a machine is booted with nomodeset option, i915 driver skips the whole initialization. Meanwhile, HD-audio tries to bind wth i915 just by request_symbol() without knowing that the initialization was skipped, and eventually it hits WARN_ON() in i915_request_power_well() and i915_release_power_well() wrongly but still continues probing, even though it doesn't work at all. In this patch, both functions are changed to return an error in case of uninitialized state instead of WARN_ON(), so that HD-audio driver can give up HDMI controller initialization at the right time. Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: <stable@vger.kernel.org> [3.15] Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-06-13drm/radeon: Bypass hw lut's for > 8 bpc framebuffer scanout.Mario Kleiner
The hardware lut's only have 256 slots for indexing by a 8 bpc framebuffer. In 10 bpc scanout modes, framebuffer color values would get truncated to their 8 msb's, thereby losing the extra precision afforded by a 10 bpc framebuffer. To retain full precision, bypass the hw lut in 10 bpc scanout mode. Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-06-13drm/radeon: use pixel formats instead of depth/bppFredrik Höglund
This disambiguates depth 16 formats, such as ARGB1555 and ARGB4444, and depth 32 formats such as ARGB2101010 and ARGB8888. This patch also adds support for depth 30 (XRGB2101010) framebuffers. Signed-off-by: Fredrik Höglund <fredrik@kde.org> Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com> Tested-by: Mario Kleiner <mario.kleiner.de@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2014-06-13drm/i915/bdw: remove erroneous chv specific workarounds from bdw codeTom O'Rourke
Correct a merge mishap in commit e4443e459ccf43f2c139358400365fd6a839d40d Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Wed Apr 9 13:28:41 2014 +0300 drm/i915/chv: Add a bunch of pre production workarounds Remove the the chv specific workarounds from bdw code, specifically gen8_enable_rps(). Signed-off-by: Tom O'Rourke <Tom.O'Rourke@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> [Jani: extract hunk #1 for 3.16 from Tom's patch, clarify commit message] Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- All, I intend to push this to drm-intel-fixes, any objections? Jani.
2014-06-12Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm updates from Dave Airlie: "This is the main drm merge window pull request, changes all over the place, mostly normal levels of churn. Highlights: Core drm: More cleanups, fix race on connector/encoder naming, docs updates, object locking rework in prep for atomic modeset i915: mipi DSI support, valleyview power fixes, cursor size fixes, execlist refactoring, vblank improvements, userptr support, OOM handling improvements radeon: GPUVM tuning and large page size support, gart fixes, deep color HDMI support, HDMI audio cleanups nouveau: - displayport rework should fix lots of issues - initial gk20a support - gk110b support - gk208 fixes exynos: probe order fixes, HDMI changes, IPP consolidation msm: debugfs updates, misc fixes ast: ast2400 support, sync with UMS driver tegra: cleanups, hdmi + hw cursor for Tegra 124. panel: fixes existing panels add some new ones. ipuv3: moved from staging to drivers/gpu" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (761 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 ...
2014-06-11Merge remote-tracking branch 'drm-intel/topic/kicking-dogs-and-vgacon' into ↵Jani Nikula
drm-intel-fixes vt/vgacon fixes to avoid hangs, unclaimed register errors on module load, reload: vt: Fix replacement console check when unbinding vt: Fix up unregistration of vt drivers vt: Don't ignore unbind errors in vt_unbind drm/i915: Fixup global gtt cleanup drm/i915: Kick out vga console Link: http://lkml.kernel.org/r/1401980308-5116-1-git-send-email-daniel.vetter@ffwll.ch Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-06-11drm/i915: fix possible refcount leak when resetting forcewakeImre Deak
If the timer putting the last forcewake refcount was pending and we canceled it, we'll leak the corresponding forcewake and RPM references. v2: - do the ptr casting at the caller instead of adding a separate helper for this (Chris) Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-06-11drm/i915: Reorder semaphore deadlock checkChris Wilson
If a semaphore is waiting on another ring, which in turn happens to be waiting on the first ring, but that second semaphore has been signalled, we will be able to kick the second ring and so can treat the first ring as a valid WAIT and not as HUNG. v2: Be paranoid and cap the potential recursion depth whilst visiting the semaphore signallers. (Mika) References: https://bugs.freedesktop.org/show_bug.cgi?id=54226 References: https://bugs.freedesktop.org/show_bug.cgi?id=75502 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: stable@vger.kernel.org Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-06-11drm/i95: Initialize active ring->pid to -1Chris Wilson
Otherwise we print out spurious processes on unused rings in the error state. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@vger.kernel.org Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-06-11drm/i915: set backlight duty cycle after backlight enable for gen4Jani Nikula
For reasons I can't claim to fully understand gen4 seems to require backlight duty cycle setting after the backlight has been enabled, or else black screen follows. I don't have documentation for the correct sequence on gen4 either. Confirmed on Dell Latitude D630 and MacBook4,1. This fixes a regression introduced by commit b35684b8fa94e04f55fd38bf672b737741d2f9e2 Author: Jani Nikula <jani.nikula@intel.com> Date: Thu Nov 14 12:13:41 2013 +0200 drm/i915: do full backlight setup at enable time Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=75791 Reported-and-tested-by: mcy@lm7.fr Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79423 Reported-and-tested-by: Marc Milgram <mmilgram@redhat.com> Cc: Stable <stable@vger.kernel.org> # 3.14+ Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-06-11drm/i915: Avoid div-by-zero when pixel_multiplier is zeroVille Syrjälä
On certain platforms pixel_multiplier is read out in .get_pipe_config(), but it also gets used to calculate the pixel clock in intel_sdvo_get_config(). If the pipe is disable but some SDVO outputs are active, we may end up dividing by zero in intel_sdvo_get_config(). To avoid the problem simply check for zero pixel_multiplier and skip the division. Another attempt at fixing this involved populating pixel_multiplier to 1 even for disabled pipes, but that triggered a WARN because SDVO_CMD_GET_CLOCK_RATE_MULT command failed and thus encoder_pixel_multiplier was left at zero and didn't match pipe_config->pixel_multiplier. The "divide by pixel_multiplier" operation got introduced here: commit 18442d08786472c63a0a80c27f92b033dffc26de Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Fri Sep 13 16:00:08 2013 +0300 drm/i915: Fix port_clock and adjusted_mode.clock readout all over and it has caused a regression on certain machines since they would hit the div-by-zero during resume. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76520 Cc: <stable@vger.kernel.org> # 3.13+ Tested-by: Tim Richardson <tim@tim-richardson.net> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2014-06-11drm/i915: Disable FBC by default also on Haswell and laterChris Wilson
It causes black screen on bootup and is approximately 100x slower than running with FBC disabled, so the GPU runs at a high frequency for much longer - completely contrary to the power saving claims. It also still has mutex deadlocks in multi-head scenarios, which can lead to a system/X lockup. These bugs were known before FBC was enabled by default on Haswell and still have not been fixed. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79716 Reported-and-tested-by: Jon Kristensen <info@jonkri.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org [Jani: update subject to reflect the actual change] Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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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