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2015-08-05drm/vmwgfx: Refactor vmw_gb_surface_define_ioctl()Sinclair Yeh2-61/+143
Refactored vmw_gb_surface_define_ioctl() and made the surface definition part a separate function. This way other parts of vmwgfx can use it to allocate kernel-visible GB surfaces. Signed-off-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
2015-08-05drm/vmwgfx: SVGA device definition updateSinclair Yeh2-6/+117
Update device definition headers to support screen targets. Signed-off-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
2015-08-05drm/vmwgfx: Add an interface to pin a resource v3Thomas Hellstrom2-1/+94
For screen targets it appears we need to pin surfaces while they are bound as screen targets, so add a small interface to do that. v2: Always increase pin_count on pin. v3: Add missing reservation sem. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2015-08-05drm/vmwgfx: Fix an overlay lockdep errorThomas Hellstrom1-6/+6
Fix a circular locking dependency between struct vmw_overlay::mutex and struct vmw_private::reservation_sem Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2015-08-05drm/vmwgfx: Add command buffer support v3Thomas Hellstrom10-33/+1656
Add command buffer support. Currently we don't implement preemption or fancy error handling. Tested with a couple of mesa-demos, compiz/unity and viewperf maya-03. v2: - Synchronize with pending work at command buffer manager takedown. - Add an interface to flush the current command buffer for latency-critical command batches and apply it to framebuffer dirtying. v3: - Minor fixes of definitions and typos to address reviews. - Removed new or moved branch predictor hints. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2015-08-05vmwgfx: Update device headers for command buffers.Thomas Hellstrom3-2/+190
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2015-08-05drm/vmwgfx: Fix OTABLE takedownThomas Hellstrom1-10/+11
Don't fence and free the BO if command submission fails. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
2015-08-05 vmwgfx: Rework device initializationThomas Hellstrom10-174/+230
This commit reworks device initialization so that we always enable the FIFO at driver load, deferring SVGA enable until either first modeset or fbdev enable. This should always leave the fifo properly enabled for render- and control nodes. In addition, *) We disable the use of VRAM when SVGA is not enabled. *) We simplify PM support so that we only throw out resources on hibernate, not on suspend, since the device keeps its state on suspend. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
2015-08-05drm/vmwgfx: Fix an fb unlocking bugThomas Hellstrom1-2/+2
A regression introduced when the master ttm lock was split into two. Reported-and-tested-by: Brian Paul <brianp@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2015-07-22drm: gc now dead mode_group codeDaniel Vetter6-109/+0
Two nice things here: - drm_dev_register will truly register everything in the right order if the driver doesn't have a ->load callback. Before this we had to init the primary mode_group after the device nodes where already registered. - Less things to keep track of when reworking the connector locking, yay! Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm: Stop filtering according to mode_group in getresourcesDaniel Vetter1-80/+30
It's been dead code since forever since mode groups haven't ever been implemented. On top of that it's also been non-functional since we only ever filtered the getresources ioctl and not any of the others nor the mode object lookup code. Given overwhelming evidence it looks like this isn't a feature we need, hence remove it. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm: Roll out drm_for_each_{plane,crtc,encoder}Daniel Vetter4-18/+19
Remaining manual work in the drm core&helpers. Nothing special here, no surprises. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm/cma-helper: Fix locking in drm_fb_cma_debugfs_showDaniel Vetter2-17/+2
This function takes two locks, both of them the wrong ones. This wasn't an oversight from my fb locking rework since both patches landed in parallel. We really only need fb_lock when walking that list, since everything we can reach from that is refcounted properly already. v2: Drop unused dev spotted by 0day. Cc: Rob Clark <robdclark@gmail.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm: Roll out drm_for_each_connector moreDaniel Vetter6-12/+14
Now that we also grab the connection_mutex and so fixed the race with atomic modeset we can use the iterator there too. The other special case is drm_connector_unplug_all which would have a locking inversion with the sysfs store/show functions if we'd grab the mode_config.mutex around the unplug. We could just grab connection_mutex instead, but that's a bit too much a dirty trick for my taste. Also it's only used by udl, which doesn't do any other kind of connector hotplugging, so should be race-free. Hence just stick with a comment for now. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm: Amend connector list locking rulesDaniel Vetter1-1/+9
Now that dp mst hotplug takes all locks we can amend the locking rules for the iterators. This is needed before we can roll these out in the atomic code to avoid getting burried in WARNINGs. v2: Rebase onto the extracted list locking assert and add a comment to explain the rules. v3: Fixup German->English translation fail in the comment. Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm/radeon: Take all modeset locks for DP MST hotplugDaniel Vetter1-4/+4
Similar with the i915 take all modeset locks for mst hotplug. This is needed to make sure radeon holds both mode_config.mutex and mode_config.connection_mutex when updating the connector_list, which is the new (interim) locking regime we want for that. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm/i915: Take all modeset locks for DP MST hotplugDaniel Vetter1-6/+6
While auditing various users of the connector/encoder lists I realized that the atomic code is a very prolific user of them. And it only ever grabs the mode_config->connection_mutex, but not the mode_config->mutex like all the other code walking encoder/connector lists. The problem is that we can't grab the mode_config.mutex late in atomic code since that would lead to locking inversions. And we don't want to grab it unconditionally like the legacy set_config modeset path since that would render all the fine-grained locking moot. Instead just grab more locks in the dp mst hotplug code. Note that drm_connector_init (which is the one adding the connector to these lists) already uses drm_modeset_lock_all. The other reason for grabbing all locks is that the dpms off in the unplug function amounts to a modeset, so better to take all required locks for that. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm: Check locking in drm_for_each_fbDaniel Vetter1-1/+5
Ever since framebuffers are reference counted we have a special lock for the global fb list. Make sure users of that list do hold that lock when using the new iterators. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm/i915: Use drm_for_each_fb in i915_debugfs.cDaniel Vetter1-1/+3
Just so I have a user for this macro. v2: Use the right macro - somehow I thought gcc should scream at me, but list_for_each isn't really typesafe unfortunately. Spotted by Ville. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm: Check locking in drm_for_each_connectorDaniel Vetter1-1/+11
Because of DP MST connectors can now be hotplugged and we must hold the right lock when walking the connector lists. Enforce this by checking the locking in our shiny new list walking macros. v2: Extract the locking check into a small static inline helper to help readability. This will be more important when we make the read list access rules more complicated in later patches. Inspired by comments from Chris. Unfortunately, due to header loops around the definition of struct drm_device the function interface is a bit funny. v3: Encoders aren't hotadded/removed. For each dp mst encoder we statically create one fake encoder per pipe so that we can support as many mst sinks as the hw can (Dave). Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Dave Airlie <airlied@redhat.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm/fbdev-helper: Grab mode_config.mutex in drm_fb_helper_single_add_all_connectorsDaniel Vetter1-2/+7
This is now truly only duct-tape to keep locking checks happy since calling this function when hpd or polling are already enabled is a bug. The fbdev helper can't cope with hotplug changes yet at this point, only after that. Otoh a bit more robustness in this function can't hurt, and with this fbdev can actually cope with hotplug changes. And it's also more consistent with the connector hotadd/remove dp mst needs to do. Therefore document this as new official behavior. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm/probe-helper: Grab mode_config.mutex in poll_init/enableDaniel Vetter1-16/+25
So on first looks this seems superflous since drivers should ensure correct ordering to not make this a problem. Otoh ordering constraints between hdp, fbdev load and enabling polling are already tricky on some hardware and it helps to be more robust. But the real goal is to just shut up a locking WARN_ON I'd like to add, which means init code gets some additional locks just for uniformity. v2: Also grab the lock for the public poll_enable, not just poll_init which is used for resume, with the same justification. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm: Add modeset object iteratorsDaniel Vetter6-39/+49
And roll them out across drm_* files. The point here isn't code prettification (it helps with that too) but that some of these lists aren't static any more. And having macros will gives us a convenient place to put locking checks into. I didn't add an iterator for props since that's only used by a list_for_each_entry_safe in the driver teardown code. Search&replace was done with the below cocci spatch. Note that there's a bunch more places that didn't match and which would need some manual changes, but I've intentially left these out for this mostly automated patch. iterator name drm_for_each_crtc; struct drm_crtc *crtc; struct drm_device *dev; expression head; @@ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + drm_for_each_crtc (crtc, dev) { ... } @@ iterator name drm_for_each_encoder; struct drm_encoder *encoder; struct drm_device *dev; expression head; @@ - list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + drm_for_each_encoder (encoder, dev) { ... } @@ iterator name drm_for_each_fb; struct drm_framebuffer *fb; struct drm_device *dev; expression head; @@ - list_for_each_entry(fb, &dev->mode_config.fb_list, head) { + drm_for_each_fb (fb, dev) { ... } @@ iterator name drm_for_each_connector; struct drm_connector *connector; struct drm_device *dev; expression head; @@ - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + drm_for_each_connector (connector, dev) { ... } Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22drm: Simplify drm_for_each_legacy_plane argumentsDaniel Vetter3-4/+4
No need to pass the planelist when everyone just uses dev->mode_config.plane_list anyway. I want to add a pile more of iterators with unified (obj, dev) arguments. This is just prep. Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2015-07-22mfd: Add GPIOLIB dependency if INTEL_SOC_PMIC is to be enabledShobhit Kumar1-0/+1
This is needed as the CRC PMIC has support for Panel enable/diable as gpio which needs 'gpiod_add_lookup_table' and 'gpiod_remove_lookup_table' from gpiolib. This patch can be squashed with below commit in topic/crc-pmic branch commit 61dd2ca2d44e493b050adbbb75bc50db11c367dd Author: Shobhit Kumar <shobhit.kumar@intel.com> Date: Fri Jun 26 14:32:05 2015 +0530 mfd: intel_soc_pmic_core: Add lookup table for Panel Control as GPIO signal On some Intel SoC platforms, the panel enable/disable signals are controlled by CRC PMIC. Add those control as a new GPIO in a lookup table for gpio-crystalcove chip during CRC driver load Cc: Lee Jones <lee.jones@linaro.org> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-21drm/i915: Backlight control using CRC PMIC based PWM driverShobhit Kumar3-5/+98
Use the CRC PWM device in intel_panel.c and add new MIPI backlight specififc callbacks v2: Modify to use pwm_config callback v3: Addressed Jani's comments - Renamed all function as pwm_* instead of vlv_* - Call intel_panel_actually_set_backlight in enable function - Return -ENODEV in case pwm_get fails - in case pwm_config error return error cdoe from pwm_config - Cleanup pwm in intel_panel_destroy_backlight v4: Removed unused #defines and initialized backlight with INVALID_PIPE (Ville) CC: Samuel Ortiz <sameo@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-21drm/i915: Use the CRC gpio for panel enable/disableShobhit Kumar3-2/+40
The CRC (Crystal Cove) PMIC, controls the panel enable and disable signals for BYT for dsi panels. This is indicated in the VBT fields. Use that to initialize and use GPIO based control for these signals. v2: Use the newer gpiod interface(Alexandre) v3: Remove the redundant checks and unused code (Ville) v4: Moved PWM vs SoC backlight #defines to intel_bios.h (Jani) CC: Samuel Ortiz <sameo@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-21pwm: crc: Add Crystalcove (CRC) PWM driverShobhit Kumar3-0/+151
The Crystalcove PMIC provides three PWM signals and this driver exports one of them on the BYT platform which is used to control backlight for DSI panel. This is platform device implementation of the drivers/mfd cell device for CRC PMIC. CC: Samuel Ortiz <sameo@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Paul Bolle <pebolle@tiscali.nl> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Reviewed-by: Varka Bhadram <varkabhadram@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-21mfd: intel_soc_pmic_core: ADD PWM lookup table for CRC PMIC based PWMShobhit Kumar1-0/+12
On some BYT PLatform the PWM is controlled using CRC PMIC. Add a lookup entry for the same to be used by the consumer (Intel GFX) CC: Samuel Ortiz <sameo@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Acked-by: Lee Jones <lee.jones@linaro.org> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-21mfd: intel_soc_pmic_crc: Add PWM cell device for Crystalcove PMICShobhit Kumar1-0/+3
Needed for PWM control suuported by the PMIC CC: Samuel Ortiz <sameo@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Acked-by: Lee Jones <lee.jones@linaro.org> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-21mfd: intel_soc_pmic_core: Add lookup table for Panel Control as GPIO signalShobhit Kumar1-0/+17
On some Intel SoC platforms, the panel enable/disable signals are controlled by CRC PMIC. Add those control as a new GPIO in a lookup table for gpio-crystalcove chip during CRC driver load CC: Samuel Ortiz <sameo@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-21gpiolib: Add support for removing registered consumer lookup tableShobhit Kumar2-0/+14
In case we unload and load a driver module again that is registering a lookup table, without this it will result in multiple entries. Provide an option to remove the lookup table on driver unload Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-20drm/amdkfd: Set correct doorbell packet type for CarrizoBen Goz2-0/+6
Signed-off-by: Ben Goz <ben.goz@amd.com> Reviewed-by: Yair Shachar <yair.shachar@amd.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20drm/amdkfd: Use generic defines in new amd headersOded Gabbay3-22/+21
This patch makes use of the new amd headers (that are part of the new amdgpu driver), instead of private defines. Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20drm/amdkfd: Implement create_map_queues() for CarrizoBen Goz1-4/+87
Signed-off-by: Ben Goz <ben.goz@amd.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20drm/amdkfd: fix runlist length calculationBen Goz1-1/+7
The MAP_QUEUES packet length for Carrizo is different than for Kaveri. Therefore, we now need to calculate the runlist length with regard to the underlying H/W. Signed-off-by: Ben Goz <ben.goz@amd.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20drm/amdkfd: Add support for VI in DQMBen Goz1-4/+99
This patch adds support for the VI APU in the DQM module. Most of the functionality of DQM is shared between CI and VI. Therefore, only a handful of functions are required to be in the H/W-specific part of DQM. Signed-off-by: Ben Goz <ben.goz@amd.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20drm/amdkfd: add support for VI in MQD managerBen Goz2-4/+248
This patch implements all the VI MQD manager functions. This is done in a different file as the MQD format is different between CI and VI Signed-off-by: Ben Goz <ben.goz@amd.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>