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2013-08-05drm/i915: Rename hsw_wm_get_pixel_rate to ilk_pipe_pixel_rateVille Syrjälä
hsw_wm_get_pixel_rate() isn't specific to HSW. In fact it should be made to handle all gens, but for now it depends on the PCH panel fitter state, so give it an ilk_ prefix. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-05drm/i915: Calculate the sprite WM based on the source width instead of the ↵Ville Syrjälä
destination width Using the destination width in the sprite WM calculations isn't correct. We should be using the source width. Note: This doesn't affect hsw since it does not support sprite scaling. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> [danvet: Add review note from Paulo to the commit message.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-05drm/i915: Pass the actual sprite width to watermarks functionsVille Syrjälä
Don't subtract one from the sprite width before watermark calculations. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-05drm/i915: Add scaled paramater to update_sprite_watermarks()Ville Syrjälä
For calculating watermarks we want to know whether sprites are scaled. Pass that information to update_sprite_watermarks() so that eventually we may do some watermark pre-computing. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-05drm/i915: Tidy the macro casting by using an inline functionChris Wilson
Some of our macros we trying to convert from an drm_device to a drm_i915_private and then use the pointer inline. This is not only cumbersome but prone to error. Replacing it with a typesafe function should help catch those errors in future. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> [danvet: Squash in fixup to correctly order static vs. inline qualifiers, static comes first. Also fix up another offender.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915: Remove useless defineStéphane Marchesin
Signed-off-by: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915: Use the same pte_encoding for ppgtt as for gttChris Wilson
The PTE layouts are the same for both ppgtt and gtt, so we can simplify the setup for ppgtt by copying the encoding function pointer from gtt. This prevents bugs where we update one function pointer, but forget the other. For instance, commit 4d15c145a6234d999c0452eec0d275c1fbf0688c Author: Ben Widawsky <ben@bwidawsk.net> Date: Thu Jul 4 11:02:06 2013 -0700 drm/i915: Use eLLC/LLC by default when available only extends the gtt to use eLLC/LLC cacheing and forgets to also update the ppgtt function pointer. v2: Actually mention the bug being fixed (Kenneth) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915: Squelch repeated reasoning for why FBC cannot be activatedChris Wilson
Almost invariably the reason why FBC cannot be turned on is the same every time (disabled via parameter, too many pipes, pipe too large etc) as modesetting and framebuffer configuration changes less frequently than trying to enable FBC. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915: clean up crtc timings computationDaniel Vetter
In the old days of the crtc helpers we've only had the encoder and crtc ->mode_fixup callbacks. So when the lvds connector wanted to adjust the crtc timings it had to set a driver-private mode flag to tell the crtc mode fixup code to not overwrite them with the generic ones. When converting things to the new infrastructure I've kept the entire logic and only moved the flag to pipe_config->timings_set. But this logic is pretty tricky and already caused regressions: commit 21d8a4756af5fdf4a42e79a77cf3b6f52678d443 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri Jul 12 08:07:30 2013 +0200 drm/i915: fix pfit regression for non-autoscaled resolutions So take advantage of the flexibility our own modeset infrastructure affords us and prefill default crtc timings. This allows us to rip out ->timings_set. Note that we overwrite things again when retrying the pipe config computation due to bandwidth constraints to avoid bogus crtc timings if the encoder only does relative adjustments (which is how the pfit code works). Only a theoretical concern though since platforms where we retry (pch-split platforms) do not need adjustements (since only the old gmch pfit needs that). But let's better be safe than sorry. Since we now initialize the crtc timings before calling the encoder->compute_config functions the crtc initialization in the gmch pfit code is now redudant and so can be removed. Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> [danvet: Add a paragraph to the commit message to explain why we can ditch the crtc timings initialization call from the gmch pfit code, to answer a question from Rodrigo's review.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915: rip out legacy encoder->mode_set callbackDaniel Vetter
The encoder->mode_set callback from the crtc helpers is now completely unused in our driver. Good riddance! Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/ddi: use the native encoder ->mode_set callbackDaniel Vetter
Same conversion as for hdmi/dp. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/lvds: use the native encoder ->mode_set callbackDaniel Vetter
Does nothing, so trivial conversion. But update the outdated comment while at it. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/dp: use native encoder ->mode_set callbackDaniel Vetter
Usual drill applies. Again I've not switched the upcast helpers to use intel_encoder instead of drm_encoder since that's much more invasive and will change also the hdmi and ddi encoders. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/hdmi: use native encoder mode_set callbackDaniel Vetter
Again drop the intel_ prefix from the intel_crtc local variable to save a bit of space. But here I didn't switch the upcast macros to intel_encoder since all our infoframe interfaces still use drm_encoder. That needs to be changed first. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/crt: use native encoder->mode_set callbackDaniel Vetter
Also drop the intel_ prefix from the local intel_crtc variable and reorder the upcast macros a bit for more reuse. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/tv: Use native encoder->mode_set callbackDaniel Vetter
Also switch to intel_encoder for the upcast helper while at it. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/sdvo: use intel_encoder for upcast helperDaniel Vetter
It's what all callers (except for the destroy callback which is called from drm core) actually want. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/dvo: use native encoder ->mode_set callbackDaniel Vetter
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915: rip out legacy encoder->mode_fixup logicDaniel Vetter
Everyone is now using our own ->compute_config callback, which means we can now also make that callback mandatory. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/dvo: switch ->mode_fixup to ->compute_configDaniel Vetter
This is the last encoder ->mode_fixup callback we have left, so convert it. Note that we want to only rip out the encoder->mode_fixup callback. But we still have the dvo_slave->mode_fixup callback. dvo is gen2 only, so we won't ever touch this again. Hence why I didn't go through all 6-7 dvo slave drivers and give them the same treatment. I'll add a note to the commit message about this when merging, presuming there's nothing else in the patch that needs to be fixed up. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> [danvet: Add note about why we keep the dvo->mode_fixup callback to answer a question from Rodrigo's review.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915/dvo: use intel_encoder to the upcast macroDaniel Vetter
More natural and will soon be even better! Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-08-04drm/i915: Do not dereference NULL crtc or fb until after checkingChris Wilson
Fixes regression from commit 4906557eb37b7fef84fad4304acef6dedf919880 Author: Rodrigo Vivi <rodrigo.vivi@gmail.com> Date: Thu Jul 11 18:45:05 2013 -0300 drm/i915: Hook PSR functionality Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67526 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Rodrigo Vivi <rodrigo.vivi@gmail.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-26drm/i915: fix pnv display core clock readout outDaniel Vetter
We need the correct clock to accurately assess whether we need to enable the double wide pipe mode or not. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Stéphane Marchesin <marcheu@chromium.org> Cc: Stuart Abercrombie <sabercrombie@google.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-26drm/i915: Replace open-coded offset_in_page()Chris Wilson
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-26drm/i915: Retry DP aux_ch communications with a different clock after failureChris Wilson
The w/a db makes the recommendation to both use a non-default value for the initial clock and then to retry with an alternative clock for Haswell with the Lakeport PCH. "On LPT:H, use a divider value of 63 decimal (03Fh). If there is a failure, retry at least three times with 63, then retry at least three times with 72 decimal (048h)." Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-26drm/i915: Add messages useful for HPD storm detection debugging (v2)Egbert Eich
For HPD storm detection we now mask out individual interrupt source bits. We have already seen a case where HPD interrupt enable bits were assigned to the wrong pins. To track these conditions more easily add some debugging messages. v2: Spelling fixes as suggested by Jani Nikula <jani.nikula@linux.intel.com> Signed-off-by: Egbert Eich <eich@suse.de> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-25drm/i915: dvo_ch7xxx: fix vsync polarity settingImre Deak
This fixes a typo which set the wrong vsync and possibly also hsync polarity for any modes with positive vsync polarity. Signed-off-by: Imre Deak <imre.deak@intel.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-25drm/i915: fix the racy object accountingDaniel Vetter
Just use a spinlock to protect them. v2: Rebase onto the new object create refcount fix patch. v3: Don't kill dev_priv->mm.object_memory as requested by Chris and hence just use a spinlock instead of atomic_t. Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67287 Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-25drm/i915: Convert the register access tracepoint to be conditionalChris Wilson
The TRACE_EVENT_CONDITION is supposed to generate more efficient code than if (cond) trace(), which is what we are currently using inside the register access functions. v2: Rebase onto uncore Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-25drm/i915: Squash gen lookup through multiple indirections inside GT accessChris Wilson
The INTEL_INFO() macro extracts the dev_private pointer from the device, so passing in the dev_private->dev is a long winded circumlocution. v2: rebase onto uncore Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-25drm/i915: Use the common register access functions for NOTRACE variantsChris Wilson
Detangle the confusion that NOTRACE variants of the register read/write routines were directly using the raw register access. We need for those routines to reuse the common code for serializing register access and ensuring the correct register power states. This is only possible now that the only routines that required raw access use their own API. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-25drm/i915: Use a private interface for register access within GTChris Wilson
The GT functions for enabling register access also need to occasionally write to and read from registers. To avoid the potential recursion as we modify the public interface to be stricter, introduce a private register access API for the GT functions. v2: Rebase v3: Rebase onto uncore v4: Use raw interfaces consistently so that we only use the low-level readN functions from a single location. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-25drm/i915: Colocate all GT access routines in the same fileChris Wilson
Currently, the register access code is split between i915_drv.c and intel_pm.c. It only bares a superficial resemblance to the reset of the powermanagement code, so move it all into its own file. This is to ease further patches to enforce serialised register access. v2: Scan for random abuse of I915_WRITE_NOTRACE v3: Take the opportunity to rename the GT functions as uncore. Uncore is the term used by the hardware design (and bspec) for all functions outside of the GPU (and CPU) cores in what is also known as the System Agent. v4: Rebase onto SNB rc6 fixes Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> [danvet: Wrestle patch into applying and inline intel_uncore_early_sanitize (plus move the old comment to the new function). Also keep the _santize postfix for intel_uncore_sanitize.] [danvet: Squash in fixup spotted by Chris on irc: We need to call intel_pm_init before intel_uncore_sanitize since the later will call cancel_work on the delayed rps setup work the former initializes.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-25Merge commit 'Merge branch 'drm-fixes' of ↵Daniel Vetter
git://people.freedesktop.org/~airlied/linux' This backmerges Linus' merge commit of the latest drm-fixes pull: commit 549f3a1218ba18fcde11ef0e22b07e6365645788 Merge: 42577ca 058ca4a Author: Linus Torvalds <torvalds@linux-foundation.org> Date: Tue Jul 23 15:47:08 2013 -0700 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux We've accrued a few too many conflicts, but the real reason is that I want to merge the 100% solution for Haswell concurrent registers writes into drm-intel-next. But that depends upon the 90% bandaid merged into -fixes: commit a7cd1b8fea2f341b626b255d9898a5ca5fabbf0a Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Fri Jul 19 20:36:51 2013 +0100 drm/i915: Serialize almost all register access Also, we can roll up on accrued conflicts. Usually I'd backmerge a tagged -rc, but I want to get this done before heading off to vacations next week ;-) Conflicts: drivers/gpu/drm/i915/i915_dma.c drivers/gpu/drm/i915/i915_gem.c v2: For added hilarity we have a init sequence conflict around the gt_lock, so need to move that one, too. Spotted by Jani Nikula. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-24drm/i915: fix reference counting in i915_gem_createDaniel Vetter
This function is called without the dev->struct_mutex held, hence we need to use the _unlocked unreference variants. As soon as the object is registered userspace can sneak in here with a gem_close ioctl call, so the object can (and with my new evil tests actually does) get the final unreference in this place. The lack of locking then results in hilarity and some good leakage. To fix this we simply need to revert Chris Wilson <chris@chris-wilson.co.uk> v2: We need to make the trace call _before_ we drop our ref - the object might very well be gone by then already. v3: Just revert the original patch as suggested by Chris Wilson. Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> [danvet: Remove the added white line again to tighten the return block, requested by Chris.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-24drm/i915: Use Graphics Base of Stolen Memory on all gen3+Chris Wilson
So I made the mistake of missing that the desktop and mobile chipsets have different layouts in their PCI configurations, and we were incorrectly setting the wrong physical address for stolen memory on mobile chipsets. Since all gen3+ are actually consistent in the location of the GBSM register in the PCI configuration space on device 2 (the GPU), use it. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> [danvet: Drop cc: stable and fudge conflicts.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-24drm/i915: disable stolen mem for OVERLAY_NEEDS_PHYSICALDaniel Vetter
Our phys_object code can't deal with stolen memory and so blows up. Fixing this is quite a bit of work and not worth it much for a single page object, so just opt-out. This is necessary prep work to enable stolen on gen2/3 platforms where the overlay register file isn't stored in the gtt. Cc: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-24drm/i915: add functions to disable and restore LCPLLPaulo Zanoni
For now there are no callers, but these functions are going to be needed for the code that allows Package C8+. Other future features may also require this code. Also merge the commit which introduced assert_can_disable_lcpll and had the following commit message: Most of the hardware needs to be disabled before LCPLL is disabled, so let's add a function to assert some of items listed in the "Display Sequences for LCPLL disabling" documentation. The idea is that hsw_disable_lcpll should not disable the hardware, the callers need to take care of calling hsw_disable_lcpll only once everything is already disabled. v2: - Rebase. - Fix D_COMP wait timeout. v3: - Use wait_for_atomic_use (Ben) - Remove/add a useless/needed POSTING_READ (Ben) - Early return in case LCPLL is already restored (Ben) - Add ndelay(100) (Ben) v4: - Merge the commit that added assert_can_disable_lcpll (Ben) - Add interrupt assertions (Ben) Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> [danvet: Fix compile fail since there's no HAS_LP_PCH yet.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-24drm/i915: disable CLKOUT_DP when it's not neededPaulo Zanoni
We currently don't support HDMI clock bending nor use SSC for DP or HDMI on Haswell, so the only case where we need CLKOUT_DP is for VGA. v2: - Replace the IS_ULT check for LPT-LP - Simplify GEN0/DBUFF0 check due to change on the previous patch - Also check for SBI_SSCCTL_DISABLE (Ben). Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-24drm/i915: extend lpt_enable_clkout_dpPaulo Zanoni
Now it implements 3 different sequences from BSpec and also has support for ULT. v2: - Change IS_ULT checks for LPT-LP checks - Add check for LPT-LP + with_fdi (Ben) - Merge DBUFF0/GEN0 bit definitions since they're the same register (Ben) - DBUFF0 (1<<0) is Disable, not Enable Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-24drm/i915: fix up error cleanup in i915_gem_object_bind_to_gttDaniel Vetter
This has been broken in commit 2f63315692b1d3c055972ad33fc7168ae908b97b Author: Ben Widawsky <ben@bwidawsk.net> Date: Wed Jul 17 12:19:03 2013 -0700 drm/i915: Create VMAs which resulted in an OOPS the first time around we've hit -ENOSPC. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67156 Cc: Imre Deak <imre.deak@intel.com> Cc: Ben Widawsky <ben@bwidawsk.net> Tested-by: meng <mengmeng.meng@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-24drm/i915: Add some debug breadcrumbs to connector detectionChris Wilson
Try to decypher detection failures is a little tricker at the moment as the only indicator of progress is when output_poll_execute() tells us the result after the connector->detect() has run. This patch adds a telltale to the start of each detect function so that we can track progress and associate activity more clearly with each connector. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2013-07-23Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm fixes from Dave Airlie: "This is just a regular fixes pull, mostly nouveau and i915, the i915 ones fix RC6 on Sandybridge after suspend/resume, which I think people have be wanting for quite a while! Now you shouldn't wish for more patches, as the new mutex/reservation code found a number of problems with the qxl driver, and it currently makes lockdep angry, I'm working on a set of fixes for it, but its a bit large, I'll submit them separately later today or tomorrow once I've banged on them a bit more, just warning you in advance :-)" Yeah, I'm definitely over the whole "wish for more patches" thing. * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/crtc-helper: explicit DPMS on after modeset drm/i915: fix up gt init sequence fallout drm/i915: Serialize almost all register access drm/i915: quirk no PCH_PWM_ENABLE for Dell XPS13 backlight drm/i915: correctly restore fences with objects attached drm/i915: Fix dereferencing invalid connectors in is_crtc_connector_off() drm/i915: Sanitize shared dpll state drm/i915: fix long-standing SNB regression in power consumption after resume v2 drm/i915: Preserve the DDI_A_4_LANES bit from the bios drm/i915: fix pfit regression for non-autoscaled resolutions drm/i915: fix up readout of the lvds dither bit on gen2/3 drm/nouveau: do not allow negative sizes for now drm/nouveau: add falcon interrupt handler drm/nouveau: use dedicated channel for async moves on GT/GF chipsets. drm/nouveau: bump fence timeout to 15 seconds drm/nouveau: do not unpin in nouveau_gem_object_del drm/nv50/kms: fix pin refcnt leaks drm/nouveau: fix some error-path leaks in fbcon handling code drm/nouveau: fix locking issues in page flipping paths
2013-07-23Fix __wait_on_atomic_t() to call the action func if the counter != 0David Howells
Fix __wait_on_atomic_t() so that it calls the action func if the counter != 0 rather than if the counter is 0 so as to be analogous to __wait_on_bit(). Thanks to Yacine who found this by visual inspection. This will affect FS-Cache in that it will could fail to sleep correctly when trying to clean up after a netfs cookie is withdrawn. Reported-by: Yacine Belkadi <yacine.belkadi.1@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> cc: Milosz Tanski <milosz@adfin.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha Pull alpha architecture fixes from Matt Turner: "This contains mostly clean ups and fixes but also an implementation of atomic64_dec_if_positive() and a pair of new syscalls" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha: alpha: Use handle_percpu_irq for the timer interrupt alpha: Force the user-visible HZ to a constant 1024. alpha: Don't if-out dp264_device_interrupt. alpha: Use __builtin_alpha_rpcc alpha: Fix type compatibility warning for marvel_map_irq alpha: Generate dwarf2 unwind info for various kernel entry points. alpha: Implement atomic64_dec_if_positive alpha: Improve atomic_add_unless alpha: Modernize lib/mpi/longlong.h alpha: Add kcmp and finit_module syscalls alpha: locks: remove unused arch_*_relax operations alpha: kernel: typo issue, using '1' instead of '11' alpha: kernel: using memcpy() instead of strcpy() alpha: Convert print_symbol to %pSR
2013-07-23Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds
Pull vhost fixes from Michael Tsirkin: "vhost: more fixes for 3.11 This includes some fixes for vhost net and scsi drivers. The test module has already been reworked to avoid rcu usage, but the necessary core changes are missing, we fixed this. Unlikely to affect any real-world users, but it's early in the cycle so, let's merge them" (It was earlier when Michael originally sent the email, but it somehot got missed in the flood, so here it is after -rc2) * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost: Remove custom vhost rcu usage vhost-scsi: Always access vq->private_data under vq mutex vhost-net: Always access vq->private_data under vq mutex
2013-07-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse bugfixes from Miklos Szeredi: "These are bugfixes and a cleanup to the "readdirplus" feature" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: readdirplus: cleanup fuse: readdirplus: change attributes once fuse: readdirplus: fix instantiate fuse: readdirplus: sanity checks fuse: readdirplus: fix dentry leak
2013-07-23NFSv4: Fix brainfart in attribute length calculationTrond Myklebust
The calculation of the attribute length was 4 bytes off. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Tested-by: Andre Heider <a.heider@gmail.com> Reported-and-tested-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-22Merge tag 'trace-3.11-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes and cleanups from Steven Rostedt: "This contains fixes, optimizations and some clean ups Some of the fixes need to go back to 3.10. They are minor, and deal mostly with incorrect ref counting in accessing event files. There was a couple of optimizations that should have perf perform a bit better when accessing trace events. And some various clean ups. Some of the clean ups are necessary to help in a fix to a theoretical race between opening a event file and deleting that event" * tag 'trace-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Kill the unbalanced tr->ref++ in tracing_buffers_open() tracing: Kill trace_array->waiter tracing: Do not (ab)use trace_seq in event_id_read() tracing: Simplify the iteration logic in f_start/f_next tracing: Add ref_data to function and fgraph tracer structs tracing: Miscellaneous fixes for trace_array ref counting tracing: Fix error handling to ensure instances can always be removed tracing/kprobe: Wait for disabling all running kprobe handlers tracing/perf: Move the PERF_MAX_TRACE_SIZE check into perf_trace_buf_prepare() tracing/syscall: Avoid perf_trace_buf_*() if sys_data->perf_events is empty tracing/function: Avoid perf_trace_buf_*() if event_function.perf_events is empty tracing: Typo fix on ring buffer comments tracing: Use trace_seq_puts()/trace_seq_putc() where possible tracing: Use correct config guard CONFIG_STACK_TRACER
2013-07-22Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal management fixes from Zhang Rui: "These are fixes collected over the last week, they fixes several problems caused by the x86_pkg_temp_thermal introduced in 3.11-rc1. Specifics: - the x86_pkg_temp_thermal driver causes crash on systems with no package MSR support as there is a bug in the logic to check presence of DTHERM and PTS feature together. Added a change so that when there is no PTS support, module doesn't get loaded. - fix krealloc() misuse in pkg_temp_thermal_device_add(). If krealloc() returns NULL, it doesn't free the original. Thus if we want to exit because of the krealloc() failure, we must make sure the original one is freed. - The error code path of the x86 package temperature thermal driver's initialization routine makes an unbalanced call to get_online_cpus(), which causes subsequent CPU offline operations, and consequently system suspend, to permanently block in cpu_hotplug_begin() on systems where get_core_online() returns an error code. Remove the extra get_online_cpus() to fix the problem" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: Thermal: Fix lockup of cpu_down() Thermal: x86_pkg_temp: Limit number of pkg temp zones Thermal: x86_pkg_temp: fix krealloc() misuse in in pkg_temp_thermal_device_add() Thermal: x86 package temp thermal crash
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