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2020-06-24Merge tag 'drm-misc-next-2020-06-19' of ↵Dave Airlie248-2610/+2481
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.9: UAPI Changes: - Add DRM_MODE_TYPE_USERDEF for video modes specified in cmdline. Cross-subsystem Changes: - Assorted devicetree binding updates. - Add might_sleep() to dma_fence_wait(). - Fix fbdev's get_user_pages_fast() handling, and use pin_user_pages. - Small cleanup with IS_BUILTIN in video/fbdev drivers. - Fix video/hdmi coding style for infoframe size. Core Changes: - Silence vblank output during init. - Fix DP-MST corruption during send msg timeout. - Clear leak in drm_gem_objecs_lookup(). - Make newlines work with force connector attribute. - Fix module refcounting error in drm_encoder_slave, and use new i2c api. - Header fix for drm_managed.c - More struct_mutex removal for !legacy drivers: - Remove gem_free_object() - Removal of drm_gem_object_put_unlocked(). - Show current->comm alongside pid in debug printfs. - Add drm_client_modeset_check() + drm_client_framebuffer_flush(). - Replace drm_fb_swab16 with drm_fb_swap that also supports 32-bits. - Remove mode->vrefresh, and compactify drm_display_mode. - Use drm_* macros for logging and warnings. - Add WARN when drm_gem_get_pages is used on a private obj. - Handle importing and imported dmabuf better in shmem helpers. - Small fix for drm/mm hole size comparison, and remove invalid entry optimization. - Add a drm/mm selftest. - Set DSI connector type for DSI panels. - Assorted small fixes and documentation updates. - Fix DDI I2C device registration for MST ports, and flushing on destroy. - Fix master_set return type, used by vmwgfx. - Make the drm_set/drop_master ioctl symmetrical. Driver Changes: Allow iommu in the sun4i driver and use it for sun8i. - Simplify backlight lookup for omap, amba-clcd and tilcdc. - Hold reg_lock for rockchip. - Add support for bridge gpio and lane reordering + polarity to ti-sn65dsi86, and fix clock choice. - Small assorted fixes to tilcdc, vc4, i915, omap, fbdev/sm712fb, fbdev/pxafb, console/newport_con, msm, virtio, udl, malidp, hdlcd, bridge/ti-sn65dsi86, panfrost. - Remove hw cursor support for mgag200, and use simple kms helper + shmem helpers. - Add support for KOE Allow iommu in the sun4i driver and use it for sun8i. - Simplify backlight lookup for omap, amba-clcd and tilcdc. - Hold reg_lock for rockchip. - Add support for bridge gpio and lane reordering + polarity to ti-sn65dsi86, and fix clock choice. - Small assorted fixes to tilcdc, vc4 (multiple), i915. - Remove hw cursor support for mgag200, and use simple kms helper + shmem helpers. - Add support for KOE TX26D202VM0BWA panel. - Use GEM CMA functions in arc, arm, atmel-hlcdc, fsi-dcu, hisilicon, imx, ingenic, komeda, malidp, mcde, meson, msxfb, rcar-du, shmobile, stm, sti, tilcdc, tve200, zte. - Remove gem_print_info. - Improve gem_create_object_helper so udl can use shmem helpers. - Convert vc4 dt bindings to schemas, and add clock properties. - Device initialization cleanups for mgag200. - Add a workaround to fix DP-MST short pulses handling on broken hardware in i915. - Allow build test compiling arm drivers. - Use managed pci functions in mgag200 and ast. - Use dev_groups in malidp. - Add per pixel alpha support for PX30 VOP in rockchip. - Silence deferred probe logs in panfrost. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/001cd9a6-405d-4e29-43d8-354f53ae4e8b@linux.intel.com
2020-06-20Merge branch 'i2c/for-current' of ↵Linus Torvalds1-10/+5
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: - a small collection of remaining API conversion patches (all acked) which allow to finally remove the deprecated API - some documentation fixes and a MAINTAINERS addition * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: MAINTAINERS: Add robert and myself as qcom i2c cci maintainers i2c: smbus: Fix spelling mistake in the comments Documentation/i2c: SMBus start signal is S not A i2c: remove deprecated i2c_new_device API Documentation: media: convert to use i2c_new_client_device() video: backlight: tosa_lcd: convert to use i2c_new_client_device() x86/platform/intel-mid: convert to use i2c_new_client_device() drm: encoder_slave: use new I2C API drm: encoder_slave: fix refcouting error for modules
2020-06-19drm/panfrost: Use kvfree() to free bo->sgtsDenis Efremov2-2/+2
Use kvfree() to free bo->sgts, because the memory is allocated with kvmalloc_array() in panfrost_mmu_map_fault_addr(). Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations") Cc: stable@vger.kernel.org Signed-off-by: Denis Efremov <efremov@linux.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200608151728.234026-1-efremov@linux.com
2020-06-19drm/panfrost: Fix runtime PM imbalance on errorDinghao Liu1-1/+0
The caller expects panfrost_job_hw_submit() to increase runtime PM usage counter. The refcount decrement on the error branch of WARN_ON() will break the counter balance and needs to be removed. Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200522134109.27204-1-dinghao.liu@zju.edu.cn
2020-06-19drm/panfrost: Fix inbalance of devfreq record_busy/idle()Steven Price1-2/+3
The calls to panfrost_devfreq_record_busy() and panfrost_devfreq_record_idle() must be balanced to ensure that the devfreq utilisation is correctly reported. But there are two cases where this doesn't work correctly. In panfrost_job_hw_submit() if pm_runtime_get_sync() fails or the WARN_ON() fires then no call to panfrost_devfreq_record_busy() is made, but when the job times out the corresponding _record_idle() call is still made in panfrost_job_timedout(). Move the call up to ensure that it always happens. Secondly panfrost_job_timedout() only makes a single call to panfrost_devfreq_record_idle() even if it is cleaning up multiple jobs. Move the call inside the loop to ensure that the number of _record_idle() calls matches the number of _record_busy() calls. Fixes: 9e62b885f715 ("drm/panfrost: Simplify devfreq utilisation tracking") Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200522153653.40754-1-steven.price@arm.com
2020-06-19drm: encoder_slave: use new I2C APIWolfram Sang1-8/+2
i2c_new_client() is deprecated, use the replacement i2c_new_client_device(). Also, we have a helper to check if a driver is bound. Use it to simplify the code. Note that this changes the errno for a failed device creation from ENOMEM to ENODEV. No callers currently interpret this errno, though, so we use this condensed error check. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-06-19drm: encoder_slave: fix refcouting error for modulesWolfram Sang1-2/+3
module_put() balances try_module_get(), not request_module(). Fix the error path to match that. Fixes: 2066facca4c7 ("drm/kms: slave encoder interface.") Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-06-19Merge tag 'amd-drm-fixes-5.8-2020-06-17' of ↵Dave Airlie9-56/+160
git://people.freedesktop.org/~agd5f/linux into drm-fixes amd-drm-fixes-5.8-2020-06-17: amdgpu: - Fix kvfree/kfree mixup - Fix hawaii device id in powertune configuration - Display FP fixes - Documentation fixes amdkfd: - devcgroup check fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200617220733.3773183-1-alexander.deucher@amd.com
2020-06-18drm/bridge: ti-sn65dsi86: Check the regmap return value when setting a GPIODouglas Anderson1-0/+3
The ti_sn_bridge_gpio_set() got the return value of regmap_update_bits() but didn't check it. The function can't return an error value, but we should at least print a warning if it didn't work. This fixes a compiler warning about setting "ret" but not using it. Fixes: 27ed2b3f22ed ("drm/bridge: ti-sn65dsi86: Export bridge GPIOs to Linux") Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200612123003.v2.4.Ia4376fd88cdc6e8f8b43c65548458305f82f1d61@changeid
2020-06-18drm/bridge: ti-sn65dsi86: Fix kernel-doc typo ln_polr => ln_polrsDouglas Anderson1-1/+1
This fixes a kernel doc warning due to a typo: warning: Function parameter or member 'ln_polrs' not described in 'ti_sn_bridge' Fixes: 5bebaeadb30e ("drm/bridge: ti-sn65dsi86: Implement lane reordering + polarity") Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200612123003.v2.3.Ib616e311c48cc64b2cef11bd54d4a9cedc874bb1@changeid
2020-06-18drm/bridge: ti-sn65dsi86: Don't use kernel-doc comment for local arrayDouglas Anderson1-1/+1
When building we were getting an error: warning: cannot understand function prototype: 'const unsigned int ti_sn_bridge_dp_rate_lut[] = ' Arrays aren't supposed to be marked with "/**" kerneldoc comments. Fix. Fixes: a095f15c00e2 ("drm/bridge: add support for sn65dsi86 bridge driver") Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200612123003.v2.2.If3807e4ebf7f0440f64c3069edcfac9a70171940@changeid
2020-06-18drm/bridge: ti-sn65dsi86: Don't compile GPIO bits if not CONFIG_OF_GPIODouglas Anderson1-0/+13
The kernel test robot noted that if "OF" is defined (which is needed to select DRM_TI_SN65DSI86 at all) but not OF_GPIO that we'd get compile failures because some of the members that we access in "struct gpio_chip" are only defined "#if defined(CONFIG_OF_GPIO)". All the GPIO bits in the driver are all nicely separated out. We'll guard them with the same "#if defined" that the header has and add a little stub function if OF_GPIO is not defined. Fixes: 27ed2b3f22ed ("drm/bridge: ti-sn65dsi86: Export bridge GPIOs to Linux") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200612123003.v2.1.Ibe95d8f3daef01e5c57d4c8c398f04d6a839492c@changeid
2020-06-18drm/panfrost: Reduce the amount of logs on deferred probeKrzysztof Kozlowski1-4/+4
There is no point to print deferred probe (and its failures to get resources) as an error. Also there is no need to print regulator errors twice. In case of multiple probe tries this would pollute the dmesg. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200527200544.7849-1-krzk@kernel.org
2020-06-17drm/amdgpu: fix documentation around busy_percentageAlex Deucher1-1/+1
Add rename the gpu busy percentage for consistency and add the mem busy percentage documentation. Reviewed-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Nirmoy Das <nirmoy.das@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-06-17drm/amdgpu/pm: update comment to clarify Overdrive interfacesAlex Deucher1-1/+1
Vega10 and previous asics use one interface, vega20 and newer use another. Reviewed-by: Evan Quan <evan.quan@amd.com> Acked-by: Nirmoy Das <nirmoy.das@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-06-17drm/amdkfd: Use correct major in devcgroup checkLorenz Brun1-1/+2
The existing code used the major version number of the DRM driver instead of the device major number of the DRM subsystem for validating access for a devices cgroup. This meant that accesses allowed by the devices cgroup weren't permitted and certain accesses denied by the devices cgroup were permitted (if they matched the wrong major device number). Signed-off-by: Lorenz Brun <lorenz@brun.one> Fixes: 6b855f7b83d2f ("drm/amdkfd: Check against device cgroup") Reviewed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-06-17drm/rockchip: Add per-pixel alpha support for the PX30 VOPPaul Kocialkowski3-0/+16
Compared to its predecessors, the PX30 VOP has a different register layout for enabling per-pixel alpha. Instead of src_alpha_ctl and dst_alpha_ctl, there is a single alpha control register. This register takes some fields from src_alpha_ctl, but with a different layout. Add support for the required fields to the PX30 VOP window descriptions, which makes per-pixel-alpha formats behave correctly. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20200416140526.262533-1-paul.kocialkowski@bootlin.com
2020-06-16drm/shmem-helper: Only dma-buf imports are private objDaniel Vetter1-2/+2
I broke that in my refactoring: commit 7d2cd72a9aa3df3604cafd169a2d4a525afb68ca Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri May 29 16:05:42 2020 +0200 drm/shmem-helpers: Simplify dma-buf importing I'm not entirely sure of the history here, but I suspect that in one of the rebases or when applying the patch I moved the hunk from drm_gem_shmem_prime_import_sg_table(), where it should be, to drm_gem_shmem_create_with_handle(), which is totally wrong. Remedy this. Thanks for Thomas for the crucial hint in debugging this. Tested-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reported-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 7d2cd72a9aa3 ("drm/shmem-helpers: Simplify dma-buf importing") Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Rob Herring <robh@kernel.org> Cc: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200616114723.2363268-1-daniel.vetter@ffwll.ch
2020-06-16drm/shmem-helper: Fix obj->filp derefenceDaniel Vetter1-9/+11
I broke that in my refactoring: commit 7d2cd72a9aa3df3604cafd169a2d4a525afb68ca Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri May 29 16:05:42 2020 +0200 drm/shmem-helpers: Simplify dma-buf importing Tested-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reported-by: Thomas Zimmermann <tzimmermann@suse.de> Fixes: 7d2cd72a9aa3 ("drm/shmem-helpers: Simplify dma-buf importing") Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Rob Herring <robh@kernel.org> Cc: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200615151026.2339113-1-daniel.vetter@ffwll.ch
2020-06-16drm/kselftest: fix spellint typo in test-drm_mm.cMasanari Iida1-1/+1
This patch fix a spelling typo in test-drm_mm.c Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200615121151.1557985-1-standby24x7@gmail.com
2020-06-16drm/ast: Use managed pci functionsDaniel Vetter2-10/+3
Allows us to remove a bit of cleanup code. Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Emil Velikov <emil.velikov@collabora.com> Cc: "Noralf Trønnes" <noralf@tronnes.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Y.C. Chen" <yc_chen@aspeedtech.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-58-daniel.vetter@ffwll.ch
2020-06-16drm/i915/display: Fix the encoder type checkVandita Kulkarni1-3/+3
For all ddi, encoder->type holds output type as ddi, assigning it to individual o/p types is no more valid. Fixes: 362bfb995b78 ("drm/i915/tgl: Add DKL PHY vswing table for HDMI") v2: Rebase, no functional change. Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200612082237.11886-1-vandita.kulkarni@intel.com (cherry picked from commit 94641eb6c69682884abbecf22fe5b7c185af6a06) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/icl+: Fix hotplug interrupt disabling after storm detectionImre Deak1-0/+1
Atm, hotplug interrupts on TypeC ports are left enabled after detecting an interrupt storm, fix this. Reported-by: Kunal Joshi <kunal1.joshi@intel.com> References: https://gitlab.freedesktop.org/drm/intel/-/issues/351 Bugzilla: https://gitlab.freedesktop.org/drm/intel/-/issues/1964 Cc: Kunal Joshi <kunal1.joshi@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200612121731.19596-1-imre.deak@intel.com (cherry picked from commit 587a87b9d7e94927edcdea018565bc1939381eb1) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/gt: Move gen4 GT workarounds from init_clock_gating to workaroundsChris Wilson2-20/+22
Rescue the GT workarounds from being buried inside init_clock_gating so that we remember to apply them after a GT reset, and that they are included in our verification that the workarounds are applied. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20200611080140.30228-6-chris@chris-wilson.co.uk (cherry picked from commit 2bcefd0d263ab4a72f0d61921ae6b0dc81606551) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/gt: Move ilk GT workarounds from init_clock_gating to workaroundsChris Wilson2-10/+14
Rescue the GT workarounds from being buried inside init_clock_gating so that we remember to apply them after a GT reset, and that they are included in our verification that the workarounds are applied. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20200611080140.30228-5-chris@chris-wilson.co.uk (cherry picked from commit 806a45c0838d253e306a6384057e851b65d11099) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/gt: Move snb GT workarounds from init_clock_gating to workaroundsChris Wilson2-33/+41
Rescue the GT workarounds from being buried inside init_clock_gating so that we remember to apply them after a GT reset, and that they are included in our verification that the workarounds are applied. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20200611080140.30228-4-chris@chris-wilson.co.uk (cherry picked from commit c3b93a943f2c9ee4a106db100a2fc3b2f126bfc5) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/gt: Move vlv GT workarounds from init_clock_gating to workaroundsChris Wilson2-61/+59
Rescue the GT workarounds from being buried inside init_clock_gating so that we remember to apply them after a GT reset, and that they are included in our verification that the workarounds are applied. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20200611080140.30228-3-chris@chris-wilson.co.uk (cherry picked from commit 7331c356b6d2d8a01422cacab27478a1dba9fa2a) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/gt: Move ivb GT workarounds from init_clock_gating to workaroundsChris Wilson3-49/+63
Rescue the GT workarounds from being buried inside init_clock_gating so that we remember to apply them after a GT reset, and that they are included in our verification that the workarounds are applied. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20200611080140.30228-2-chris@chris-wilson.co.uk (cherry picked from commit 19f1f627b33385a2f0855cbc7d33d86d7f4a1e78) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/gt: Move hsw GT workarounds from init_clock_gating to workaroundsChris Wilson2-37/+50
Rescue the GT workarounds from being buried inside init_clock_gating so that we remember to apply them after a GT reset, and that they are included in our verification that the workarounds are applied. v2: Leave HSW_SCRATCH to set an explicit value, not or in our disable bit. Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2011 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20200611093015.11370-1-chris@chris-wilson.co.uk (cherry picked from commit f93ec5fb563779bda4501890b1854526de58e0f1) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/icl: Disable DIP on MST ports with the transcoder clock still onImre Deak2-1/+11
According to BSpec the Data Island Packet should be disabled after disabling the transcoder, but before the transcoder clock select is set to none. On an ICL RVP, daisy-chained MST config not following this leads to a hang with the following MCE when disabling the output: [ 870.948739] mce: [Hardware Error]: CPU 0: Machine Check Exception: 5 Bank 6: ba00000011000402 [ 871.019212] mce: [Hardware Error]: RIP !INEXACT! 10:<ffffffff81aca652> {poll_idle+0x92/0xb0} [ 871.019212] mce: [Hardware Error]: TSC 135a261fe61 [ 871.019212] mce: [Hardware Error]: PROCESSOR 0:706e5 TIME 1591739604 SOCKET 0 APIC 0 microcode 20 [ 871.019212] mce: [Hardware Error]: Run the above through 'mcelog --ascii' [ 871.019212] mce: [Hardware Error]: Machine check: Processor context corrupt [ 871.019212] Kernel panic - not syncing: Fatal machine check [ 871.019212] Kernel Offset: disabled Bspec: 4287 Fixes: fa37a213275c ("drm/i915: Stop sending DP SDPs on ddi disable") Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> Cc: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200609220616.6015-1-imre.deak@intel.com (cherry picked from commit c980216dd224c52b5c70172753c209b653d84958) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/gt: Incrementally check for rewindingChris Wilson6-4/+154
In commit 5ba32c7be81e ("drm/i915/execlists: Always force a context reload when rewinding RING_TAIL"), we placed the check for rewinding a context on actually submitting the next request in that context. This was so that we only had to check once, and could do so with precision avoiding as many forced restores as possible. For example, to ensure that we can resubmit the same request a couple of times, we include a small wa_tail such that on the next submission, the ring->tail will appear to move forwards when resubmitting the same request. This is very common as it will happen for every lite-restore to fill the second port after a context switch. However, intel_ring_direction() is limited in precision to movements of upto half the ring size. The consequence being that if we tried to unwind many requests, we could exceed half the ring and flip the sense of the direction, so missing a force restore. As no request can be greater than half the ring (i.e. 2048 bytes in the smallest case), we can check for rollback incrementally. As we check against the tail that would be submitted, we do not lose any sensitivity and allow lite restores for the simple case. We still need to double check upon submitting the context, to allow for multiple preemptions and resubmissions. Fixes: 5ba32c7be81e ("drm/i915/execlists: Always force a context reload when rewinding RING_TAIL") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: <stable@vger.kernel.org> # v5.4+ Reviewed-by: Bruce Chang <yu.bruce.chang@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200609151723.12971-1-chris@chris-wilson.co.uk (cherry picked from commit e36ba817fa966f81fb1c8d16f3721b5a644b2fa9) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/tc: fix the reset of ln0Khaled Almahallawy1-1/+1
Setting ln0 similar to ln1 Fixes: 3b51be4e4061b ("drm/i915/tc: Update DP_MODE programming") Cc: <stable@vger.kernel.org> # v5.5+ Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200608204537.28468-1-khaled.almahallawy@intel.com (cherry picked from commit 4f72a8ee819d57d7329d88f487a2fc9b45153177) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/gt: Prevent timeslicing into unpreemptable requestsChris Wilson3-2/+119
We have a I915_REQUEST_NOPREEMPT flag that we set when we must prevent the HW from preempting during the course of this request. We need to honour this flag and protect the HW even if we have a heartbeat request, or other maximum priority barrier, pending. As such, restrict the timeslicing check to avoid preempting into the topmost priority band, leaving the unpreemptable requests in blissful peace running uninterrupted on the HW. v2: Set the I915_PRIORITY_BARRIER to be less than I915_PRIORITY_UNPREEMPTABLE so that we never submit a request (heartbeat or barrier) that can legitimately preempt the current non-premptable request. Fixes: 2a98f4e65bba ("drm/i915: add infrastructure to hold off preemption on a request") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200527162418.24755-1-chris@chris-wilson.co.uk (cherry picked from commit b72f02d78e4f257761ed003444ae52083f962076) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-16drm/i915/selftests: Restore to default heartbeatChris Wilson4-109/+67
Since we temporarily disable the heartbeat and restore back to the default value, we can use the stored defaults on the engine and avoid using a local. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200519063123.20673-3-chris@chris-wilson.co.uk (cherry picked from commit 3a230a554dbbc6cd5016cf1b56ee77cfcd48c7d8) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-15drm/malidp: convert platform driver to use dev_groupsEmil Velikov1-21/+6
Platform drivers now have the option to have the platform core create and remove any needed sysfs attribute files. So take advantage of that and do not register "by hand" a sysfs file. Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Tested-by: Liviu Dudau <liviu.dudau@arm.com> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200517193655.3895087-2-emil.l.velikov@gmail.com
2020-06-15drm/arm: Kconfig annotate drivers as COMPILE_TESTEmil Velikov1-2/+2
Add the COMPILE_TEST conditional, so that people can at least build test the drivers. Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Tested-by: Liviu Dudau <liviu.dudau@arm.com> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200517193655.3895087-1-emil.l.velikov@gmail.com
2020-06-15drm/auth: make drm_{set,drop}master_ioctl symmetricalEmil Velikov1-5/+7
Currently the ret handling is all over the place - with two redundant assignments and another one addressed earlier. Use the exact same flow in both functions. v2: straighten the code flow, instead of just removing the assignments Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Colin Ian King <colin.king@canonical.com> Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200530124640.4176323-2-emil.l.velikov@gmail.com
2020-06-15drm: vmwgfx: remove drm_driver::master_set() return typeEmil Velikov2-30/+10
The function always returns zero (success). Ideally we'll remove it all together - although that's requires a little more work. For now, we can drop the return type and simplify the drm core code surrounding it. v2: remove redundant assignment (Sam) Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: VMware Graphics <linux-graphics-maintainer@vmware.com> Cc: Roland Scheidegger <sroland@vmware.com> Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Roland Scheidegger <sroland@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200530124640.4176323-1-emil.l.velikov@gmail.com
2020-06-15drm/i915: work around false-positive maybe-uninitialized warningArnd Bergmann1-0/+2
gcc-9 gets confused by the code flow in check_dirty_whitelist: drivers/gpu/drm/i915/gt/selftest_workarounds.c: In function 'check_dirty_whitelist': drivers/gpu/drm/i915/gt/selftest_workarounds.c:492:17: error: 'rsvd' may be used uninitialized in this function [-Werror=maybe-uninitialized] I could not figure out a good way to do this in a way that gcc understands better, so initialize the variable to zero, as last resort. Fixes: aee20aaed887 ("drm/i915: Implement read-only support in whitelist selftest") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200527140526.1458215-2-arnd@arndb.de (cherry picked from commit cc649a9eafc1ef5c40db023084cb94422d08aa84) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-15drm/i915/pmu: avoid an maybe-uninitialized warningArnd Bergmann1-42/+42
Conditional spinlocks make it hard for gcc and for lockdep to follow the code flow. This one causes a warning with at least gcc-9 and higher: In file included from include/linux/irq.h:14, from drivers/gpu/drm/i915/i915_pmu.c:7: drivers/gpu/drm/i915/i915_pmu.c: In function 'i915_sample': include/linux/spinlock.h:289:3: error: 'flags' may be used uninitialized in this function [-Werror=maybe-uninitialized] 289 | _raw_spin_unlock_irqrestore(lock, flags); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_pmu.c:288:17: note: 'flags' was declared here 288 | unsigned long flags; | ^~~~~ Split out the part between the locks into a separate function for readability and to let the compiler figure out what the logic actually is. Fixes: d79e1bd676f0 ("drm/i915/pmu: Only use exclusive mmio access for gen7") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200527140526.1458215-1-arnd@arndb.de (cherry picked from commit 6ec81b82732e2b4a5ac0853fd33919ff1ca94238) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-15drm/i915/gt: Incorporate the virtual engine into timeslicingChris Wilson1-6/+24
It was quite the oversight to only factor in the normal queue to decide the timeslicing switch priority. By leaving out the next virtual request from the priority decision, we would not timeslice the current engine if there was an available virtual request. Testcase: igt/gem_exec_balancer/sliced Fixes: 3df2deed411e ("drm/i915/execlists: Enable timeslice on partial virtual engine dequeue") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200519132046.22443-3-chris@chris-wilson.co.uk (cherry picked from commit 6ad249ba59badc7ff157d4db1f835748f0e2c9b6) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
2020-06-15drm/mm: remove invalid entry based optimizationChristian König1-4/+2
When the current entry is rejected as candidate for the search it does not mean that we can abort the subtree search. It is perfectly possible that only the alignment, but not the size is the reason for the rejection. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Nirmoy Das <nirmoy.das@amd.com> Link: https://patchwork.freedesktop.org/patch/369394/
2020-06-13Merge tag 'kbuild-v5.8-2' of ↵Linus Torvalds2-9/+9
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull more Kbuild updates from Masahiro Yamada: - fix build rules in binderfs sample - fix build errors when Kbuild recurses to the top Makefile - covert '---help---' in Kconfig to 'help' * tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: treewide: replace '---help---' in Kconfig files with 'help' kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables samples: binderfs: really compile this sample and fix build issues
2020-06-14treewide: replace '---help---' in Kconfig files with 'help'Masahiro Yamada2-9/+9
Since commit 84af7a6194e4 ("checkpatch: kconfig: prefer 'help' over '---help---'"), the number of '---help---' has been gradually decreasing, but there are still more than 2400 instances. This commit finishes the conversion. While I touched the lines, I also fixed the indentation. There are a variety of indentation styles found. a) 4 spaces + '---help---' b) 7 spaces + '---help---' c) 8 spaces + '---help---' d) 1 space + 1 tab + '---help---' e) 1 tab + '---help---' (correct indentation) f) 1 tab + 1 space + '---help---' g) 1 tab + 2 spaces + '---help---' In order to convert all of them to 1 tab + 'help', I ran the following commend: $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/' Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-06-11amdgpu: a NULL ->mm does not mean a thread is a kthreadChristoph Hellwig1-1/+1
Use the proper API instead. Fixes: 70539bd795002 ("drm/amd: Update MEC HQD loading code for KFD") Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Tested-by: Jens Axboe <axboe@kernel.dk> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Jens Axboe <axboe@kernel.dk> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Cc: Felipe Balbi <balbi@kernel.org> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: http://lkml.kernel.org/r/20200404094101.672954-1-hch@lst.de Link: http://lkml.kernel.org/r/20200404094101.672954-2-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-11Merge branch 'akpm' (patches from Andrew)Linus Torvalds7-11/+4
Merge some more updates from Andrew Morton: - various hotfixes and minor things - hch's use_mm/unuse_mm clearnups Subsystems affected by this patch series: mm/hugetlb, scripts, kcov, lib, nilfs, checkpatch, lib, mm/debug, ocfs2, lib, misc. * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kernel: set USER_DS in kthread_use_mm kernel: better document the use_mm/unuse_mm API contract kernel: move use_mm/unuse_mm to kthread.c kernel: move use_mm/unuse_mm to kthread.c stacktrace: cleanup inconsistent variable type lib: test get_count_order/long in test_bitops.c mm: add comments on pglist_data zones ocfs2: fix spelling mistake and grammar mm/debug_vm_pgtable: fix kernel crash by checking for THP support lib: fix bitmap_parse() on 64-bit big endian archs checkpatch: correct check for kernel parameters doc nilfs2: fix null pointer dereference at nilfs_segctor_do_construct() lib/lz4/lz4_decompress.c: document deliberate use of `&' kcov: check kcov_softirq in kcov_remote_stop() scripts/spelling: add a few more typos khugepaged: selftests: fix timeout condition in wait_for_scan()
2020-06-11drm/amd/display: Rework dsc to isolate FPU operationsRodrigo Siqueira5-50/+153
When we want to use float point operation on Linux we need to use within special kernel protection (`kernel_fpu_{begin,end}()`.), otherwise the kernel can clobber userspace FPU register state. For detecting these issues we use a tool named objtool (with -Ffa flags) to highlight the FPU problems, all warnings can be summed up as follows: ./tools/objtool/objtool check -Ffa drivers/gpu/drm/amd/display/dc/dml/dml_common_defs.o [..] dc/dsc/rc_calc.o: warning: objtool: get_qp_set()+0x2f8: FPU instruction outside of kernel_fpu_{begin,end}() [..] dc/dsc/rc_calc.o: warning: objtool: dsc_roundf()+0x5: FPU instruction outside of kernel_fpu_{begin,end}() [..] dc/dsc/rc_calc.o: warning: objtool: dsc_ceil()+0x5: FPU instruction outside of kernel_fpu_{begin,end}() [..] dc/dsc/rc_calc.o: warning: objtool: get_ofs_set()+0x3eb: FPU instruction outside of kernel_fpu_{begin,end}() [..] dc/dsc/rc_calc.o: warning: objtool: calc_rc_params()+0x3c: FPU instruction outside of kernel_fpu_{begin,end}() [..] dc/dsc/dc_dsc.o: warning: objtool: get_dsc_bandwidth_range.isra.0()+0x8d: FPU instruction outside of kernel_fpu_{begin,end}() [..] dc/dsc/dc_dsc.o: warning: objtool: setup_dsc_config()+0x2ef: FPU instruction outside of kernel_fpu_{begin,end}() [..] dc/dsc/rc_calc_dpi.o: warning: objtool:copy_pps_fields()+0xbb: FPU instruction outside of kernel_fpu_{begin,end}() [..] dc/dsc/rc_calc_dpi.o: warning: objtool: dscc_compute_dsc_parameters()+0x7b: FPU instruction outside of kernel_fpu_{begin,end}() This commit fixes the above issues by rework DSC as described: 1. Isolate all FPU operations in a single file; 2. Use FPU flags only in the file that handles FPU operations; 3. Isolate all functions that require float point operation in static functions; 4. Add a mid-layer function that does not use any float point operation, and that could be safely invoked in other parts of the code. 5. Keep float point operation under DC_FP_{START/END} macro. CC: Christian König <christian.koenig@amd.com> CC: Alexander Deucher <Alexander.Deucher@amd.com> CC: Peter Zijlstra <peterz@infradead.org> CC: Tony Cheng <tony.cheng@amd.com> CC: Harry Wentland <hwentlan@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Reviewed-by: Mikita Lipski <Mikita.Lipski@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-06-11drm/amdgpu: Replace invalid device ID with a valid device IDSandeep Raghuraman1-1/+1
Initializes Powertune data for a specific Hawaii card by fixing what looks like a typo in the code. The device ID 66B1 is not a supported device ID for this driver, and is not mentioned elsewhere. 67B1 is a valid device ID, and is a Hawaii Pro GPU. I have tested on my R9 390 which has device ID 67B1, and it works fine without problems. Signed-off-by: Sandeep Raghuraman <sandy.8925@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
2020-06-11Merge tag 'drm-next-2020-06-11-1' of git://anongit.freedesktop.org/drm/drmLinus Torvalds8-14/+60
Pull drm fixes from Dave Airlie: "One sun4i fix and a connector hotplug race The ast fix is for a regression in 5.6, and one of the i915 ones fixes an oops reported by dhowells. core: - fix race in connectors sending hotplug i915: - Avoid use after free in cmdparser - Avoid NULL dereference when probing all display encoders - Fixup to module parameter type sun4i: - clock divider fix ast: - 24/32 bpp mode setting fix" * tag 'drm-next-2020-06-11-1' of git://anongit.freedesktop.org/drm/drm: drm/ast: fix missing break in switch statement for format->cpp[0] case 4 drm/sun4i: hdmi ddc clk: Fix size of m divider drm/i915/display: Only query DP state of a DDI encoder drm/i915/params: fix i915.reset module param type drm/i915/gem: Mark the buffer pool as active for the cmdparser drm/connector: notify userspace on hotplug after register complete
2020-06-11drm/dp_mst: Fix flushing the delayed port/mstb destroy workImre Deak1-3/+16
Atm, a pending delayed destroy work during module removal will be canceled, leaving behind MST ports, mstbs. Fix this by using a dedicated workqueue which will be drained of requeued items as well when destroying it. v2: - Check if wq is NULL before calling destroy_workqueue(). Cc: Lyude Paul <lyude@redhat.com> Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200610134704.25270-1-imre.deak@intel.com
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