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2019-07-09drm/client: Support unmapping of DRM client buffersThomas Zimmermann
DRM clients, such as the fbdev emulation, have their buffer objects mapped by default. Mapping a buffer implicitly prevents its relocation. Hence, the buffer may permanently consume video memory while it's allocated. This is a problem for drivers of low-memory devices, such as ast, mgag200 or older framebuffer hardware, which will then not have enough memory to display other content (e.g., X11). This patch introduces drm_client_buffer_vmap() and _vunmap(). Internal DRM clients can use these functions to unmap and remap buffer objects as needed. There's no reference counting for vmap operations. Callers are expected to either keep buffers mapped (as it is now), or call vmap and vunmap in pairs around code that accesses the mapped memory. v2: * remove several duplicated NULL-pointer checks v3: * style and typo fixes Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/315831/
2019-07-03Revert "drm/gem: Rename drm_gem_dumb_map_offset() to drm_gem_map_offset()"Rob Herring
This reverts commit 220df83a5394fbf7c1486ba7848794b7b351d598. Turns out drm_gem_dumb_map_offset really only worked for the dumb buffer case, so revert the name change. Signed-off-by: Rob Herring <robh@kernel.org>
2019-07-03drm/vram: Don't export driver callback functions for PRIMEThomas Zimmermann
PRIME functionality is now provided by GEM object functions. The driver callback functions are obsolete. So this patch renames them and turns them into static internal functions of the VRAM helper library. The implementation of gem_prime_mmap is now unused and the patch removes it. v3: * kept each renamed function at its original location within file * kept documentation Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190702115012.4418-6-tzimmermann@suse.de
2019-07-03drm/vram: Set GEM object functions for PRIMEThomas Zimmermann
PRIME functionality is now provided via the callback functions in struct drm_gem_object_funcs. The driver-structure functions are obsolete. As a side effect of this patch, VRAM-based drivers get basic PRIME support automatically without having to set any flags or additional fields. v2: - use existing PRIME functions for object's table v3: - move object table to EOF so it can refer to internal interfaces Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190702115012.4418-2-tzimmermann@suse.de
2019-07-01drm/selftests: reduce stack usageArnd Bergmann
Putting a large drm_connector object on the stack can lead to warnings in some configuration, such as: drivers/gpu/drm/selftests/test-drm_cmdline_parser.c:18:12: error: stack frame size of 1040 bytes in function 'drm_cmdline_test_res' [-Werror,-Wframe-larger-than=] static int drm_cmdline_test_res(void *ignored) Since the object is never modified, just declare it as 'static const' and allow this to be passed down. Fixes: b7ced38916a9 ("drm/selftests: Add command line parser selftests") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628121712.1928142-1-arnd@arndb.de
2019-06-28drm/gem: Rename drm_gem_dumb_map_offset() to drm_gem_map_offset()Steven Price
drm_gem_dumb_map_offset() is a useful helper for non-dumb clients, so rename it to remove the _dumb and add a comment that it can be used by shmem clients. Signed-off-by: Steven Price <steven.price@arm.com> Acked-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190627155318.38053-2-steven.price@arm.com
2019-06-26drm: Add bus flag for Sharp-specific signalsPaul Cercueil
Add the DRM_BUS_FLAG_SHARP_SIGNALS to the drm_bus_flags enum. This flags can be used when the display must be driven with the Sharp-specific signals SPL, CLS, REV, PS. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190603153120.23947-2-paul@crapouillou.net
2019-06-26drm/i915/icl: Add missing device IDMika Kahola
We are missing PCI device ID for SKU ICLLP U GT 1.5F (0x8A54) as per BSPec. BSpec: 19092 Signed-off-by: Mika Kahola <mika.kahola@intel.com> Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190617082413.22549-1-mika.kahola@intel.com
2019-06-25Merge branch 'drm-next' into drm-next-5.3Alex Deucher
Backmerge drm-next and fix up conflicts due to drmP.h removal. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-25drm/edid: parse CEA blocks embedded in DisplayIDAndres Rodriguez
DisplayID blocks allow embedding of CEA blocks. The payloads are identical to traditional top level CEA extension blocks, but the header is slightly different. This change allows the CEA parser to find a CEA block inside a DisplayID block. Additionally, it adds support for parsing the embedded CTA header. No further changes are necessary due to payload parity. This change fixes audio support for the Valve Index HMD. Signed-off-by: Andres Rodriguez <andresx7@gmail.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: <stable@vger.kernel.org> # v4.15 Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190619180901.17901-1-andresx7@gmail.com
2019-06-22drm/amd/display: Add support for extended DSC DPCD capsNikola Cornij
[why] A few of the new DSC DPCD caps were introduced by a DP 1.4a SCR in order to give DSC branch decoders a chance to expose their maximum throughput and maximum line width limitations. Signed-off-by: Nikola Cornij <nikola.cornij@amd.com> Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-22drm/amd/display: Add 170Mpix/sec DSC throughput supportNikola Cornij
[why] It was missing, although defined in DP spec [how] - Add handling of this value to DSC code - Also remove unused file dsc_helpers.c Signed-off-by: Nikola Cornij <nikola.cornij@amd.com> Reviewed-by: Joshua Aberback <Joshua.Aberback@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-21drm/vram-helper: Drop drm_gem_prime_export/importDaniel Vetter
They're the default. Aside: Would be really nice to switch the others over to drm_gem_object_funcs. Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Sean Paul <sean@poorly.run> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-41-daniel.vetter@ffwll.ch
2019-06-21drm/ioctl: Ditch DRM_UNLOCKED except for the legacy vblank ioctlDaniel Vetter
This completes Emil's series of removing DRM_UNLOCKED from modern drivers. It's entirely cargo-culted since we ignore it on non-DRIVER_LEGACY drivers since: commit ea487835e8876abf7ad909636e308c801a2bcda6 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Mon Sep 28 21:42:40 2015 +0200 drm: Enforce unlocked ioctl operation for kms driver ioctls Now justifying why we can do this for legacy drives too (and hence close the source of all the bogus copypasting) is a bit more involved. DRM_UNLOCKED was introduced in: commit ed8b67040965e4fe695db333d5914e18ea5f146f Author: Arnd Bergmann <arnd@arndb.de> Date: Wed Dec 16 22:17:09 2009 +0000 drm: convert drm_ioctl to unlocked_ioctl As a immediate hack to keep i810 happy, which would have deadlocked without this trickery. The old BKL is automatically dropped in schedule(), and hence the i810 vs. mmap_sem deadlock didn't actually cause a real deadlock. But with a mutex it would. The solution was to annotate these as DRM_UNLOCKED and mark i810 unsafe on SMP machines. This conversion caused a regression, because unlike the BKL a mutex isn't dropped over schedule (that thing again), which caused a vblank wait in one thread to block the entire desktop and all its apps. Back then we did vblank scheduling by blocking in the client, awesome isn't it. This was fixed quickly in (ok not so quickly, took 2 years): commit 8f4ff2b06afcd6f151868474a432c603057eaf56 Author: Ilija Hadzic <ihadzic@research.bell-labs.com> Date: Mon Oct 31 17:46:18 2011 -0400 drm: do not sleep on vblank while holding a mutex All the other DRM_UNLOCKED annotations for all the core ioctls was work to reach finer-grained locking for modern drivers. This took years, and culminated in: commit fdd5b877e9ebc2029e1373b4a3cd057329a9ab7a Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Sat Dec 10 22:52:54 2016 +0100 drm: Enforce BKL-less ioctls for modern drivers DRM_UNLOCKED was never required by any legacy drivers, except for the vblank_wait IOCTL. Therefore we will not regress these old drivers by going back to where we've been in 2011. For all modern drivers nothing will change. To make this perfectly clear, also add a comment to DRM_UNLOCKED. v2: Don't forget about drm_ioc32.c (Michel). Cc: Michel Dänzer <michel@daenzer.net> Cc: Emil Velikov <emil.l.velikov@gmail.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Michel Dänzer <michel@daenzer.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190605120835.2798-1-daniel.vetter@ffwll.ch
2019-06-21drm/prime: Align gem_prime_export with obj_funcs.exportDaniel Vetter
The idea is that gem_prime_export is deprecated in favor of obj_funcs.export. That's much easier to do if both have matching function signatures. Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Sean Paul <sean@poorly.run> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Eric Anholt <eric@anholt.net> Cc: "Michel Dänzer" <michel.daenzer@amd.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Huang Rui <ray.huang@amd.com> Cc: Felix Kuehling <Felix.Kuehling@amd.com> Cc: Hawking Zhang <Hawking.Zhang@amd.com> Cc: Feifei Xu <Feifei.Xu@amd.com> Cc: Jim Qu <Jim.Qu@amd.com> Cc: Evan Quan <evan.quan@amd.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Thomas Zimmermann <tdz@users.sourceforge.net> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Jilayne Lovejoy <opensource@jilayne.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Junwei Zhang <Jerry.Zhang@amd.com> Cc: intel-gvt-dev@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org Cc: amd-gfx@lists.freedesktop.org Cc: linux-tegra@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-10-daniel.vetter@ffwll.ch
2019-06-21drm/prime: Actually remove DRIVER_PRIME everywhereDaniel Vetter
Split out to make the functional changes stick out more. All places where DRIVER_PRIME was used have been removed in previous patches already. v2: amdgpu gained DRIVER_SYNCOBJ_TIMELINE. v3: amdgpu lost DRIVER_SYNCOBJ_TIMELINE. v4: Don't add a space in i915_drv.c (Sam) v5: Add note that previous patches removed all the DRIVER_PRIME users already (Emil). v6: Fixupe ingenic (new driver) while applying. Cc: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: amd-gfx@lists.freedesktop.org Cc: etnaviv@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org Cc: lima@lists.freedesktop.org Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-arm-msm@vger.kernel.org Cc: linux-aspeed@lists.ozlabs.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-tegra@vger.kernel.org Cc: nouveau@lists.freedesktop.org Cc: NXP Linux Team <linux-imx@nxp.com> Cc: spice-devel@lists.freedesktop.org Cc: virtualization@lists.linux-foundation.org Cc: VMware Graphics <linux-graphics-maintainer@vmware.com> Cc: xen-devel@lists.xenproject.org Link: https://patchwork.freedesktop.org/patch/msgid/20190617153924.414-1-daniel.vetter@ffwll.ch
2019-06-21drm/prime: Update docsDaniel Vetter
Yes this is a bit a big patch, but since it's essentially a complete rewrite of all the prime docs I didn't see how to better split it up. Changes: - Consistently point to drm_gem_object_funcs as the preferred hooks, where applicable. - Document all the hooks in &drm_driver that lacked kerneldoc. - Completely new overview section, which now also includes the cleaned up lifetime/reference counting subchapter. I also mentioned the weak references in there due to the lookup caches. - Completely rewritten helper intro section, highlight the import/export related functionality. - Polish for all the functions and more cross references. I also sprinkled a bunch of todos all over. Most important: 0 code changes in here. The cleanup motivated by reading and improving all this will follow later on. v2: Actually update the prime helper docs. Plus add a few FIXMEs that I won't address right away in subsequent cleanup patches. v3: - Split out the function moving. This patch is now exclusively documentation changes. - Typos and nits (Sam). v4: Polish suggestions from Noralf. Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Noralf Trønnes <noralf@tronnes.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Noralf Trønnes <noralf@tronnes.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Eric Anholt <eric@anholt.net> Cc: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190620124615.24434-1-daniel.vetter@ffwll.ch
2019-06-21drm/prime: Shuffle functions.Daniel Vetter
Reorder all the functions in drm_prime.[hc] into three groups: core, export helpers, import helpers. Not other changes beyond moving the functions and their unchanged kerneldoc around in here. Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Eric Anholt <eric@anholt.net> Cc: Emil Velikov <emil.l.velikov@gmail.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Emil Velikov <emil.velikov@collabora.com> Acked-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190618092038.17929-1-daniel.vetter@ffwll.ch
2019-06-21Merge tag 'drm-misc-next-2019-06-20' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.3: UAPI Changes: - Give each dma-buf their own inode, add DMA_BUF_SET_NAME ioctl and a show_fdinfo handler. Cross-subsystem Changes: - Pull in the topic/remove-fbcon-notifiers branch: * remove fbdev notifier usage for fbcon, as prep work to clean up the fbcon locking * assorted locking checks in vt/console code * assorted notifier and cleanups in fbdev and backlight code Core Changes: - Make drm_debugfs_create_files() never fail. - add debug print to update_vblank_count. - Add DP_DPCD_QUIRK_NO_SINK_COUNT quirk. - Add todo item for drm_gem_objects. - Unexport drm_gem_(un)pin/v(un)map. - Document struct drm_cmdline_mode. - Rewrite the command handler for mode names, and add support to specify rotation, reflection and overscan. With a new selftest! :) - Fixes to drm/client for improving rotation support, and fixing variable scope. - Small fixes to self refresh helper. Driver Changes: - Add rockchip RK3328 support. - Assorted driver fixes to rockchip, vc4, rcar-du, vkms. - Expose panfrost performance counters through unstable ioctl's, hidden behind a module parameter. - Enumerate CRC sources list in vkms. - Add a basic kms driver for the Ingenic JZ47xx SoC, which will be expanded soon with more advanced features. - Suspend/resume fix for stm. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/18e22ec1-adf3-3a75-34a3-9fe09a91eef5@linux.intel.com
2019-06-21Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux ↵Dave Airlie
into drm-next - The coherent memory changes including mm changes. - Some vmwgfx debug fixes. - Removal of vmwgfx legacy security checks. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Hellstrom <VMware> <thomas@shipmail.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190619072531.4026-1-thomas@shipmail.org
2019-06-20drm/amdgpu: add navi10 asic typeHuang Rui
Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19Merge remote-tracking branch 'drm/drm-next' into drm-misc-nextMaarten Lankhorst
remove-fbcon-notifiers topic branch is based on rc4, so we need a fresh backmerge of drm-next to pull it in. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2019-06-19drm/atomic: Add a function to reset connector TV propertiesMaxime Ripard
During the connector reset, if that connector has a TV property, it needs to be reset to the value provided on the command line. Provide a helper to do that. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/84a7b657f09303a2850e1cc79e68f623547f3fdd.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19drm/modes: Parse overscan propertiesMaxime Ripard
Properly configuring the overscan properties might be needed for the initial setup of the framebuffer for display that still have overscan. Let's allow for more properties on the kernel command line to setup each margin. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/e481f1628e3768ca49226ec2115cfa4dfcbd5e4c.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19drm/connector: Introduce a TV margins structureMaxime Ripard
The TV margins has been defined as a structure inside the drm_connector_state structure so far. However, we will need it in other structures as well, so let's move that structure definition so that it can be reused. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/38b773b03f15ec7a135cdf8f7db669e5ada20cf2.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19drm/modes: Allow to specify rotation and reflection on the commandlineMaxime Ripard
Rotations and reflections setup are needed in some scenarios to initialise properly the initial framebuffer. Some drivers already had a bunch of quirks to deal with this, such as either a private kernel command line parameter (omapdss) or on the device tree (various panels). In order to accomodate this, let's create a video mode parameter to deal with the rotation and reflexion. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/777da16e42db757c1f5b414b5ca34507097fed5c.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19drm/modes: Support modes names on the command lineMaxime Ripard
The drm subsystem also uses the video= kernel parameter, and in the documentation refers to the fbdev documentation for that parameter. However, that documentation also says that instead of giving the mode using its resolution we can also give a name. However, DRM doesn't handle that case at the moment. Even though in most case it shouldn't make any difference, it might be useful for analog modes, where different standards might have the same resolution, but still have a few different parameters that are not encoded in the modes (NTSC vs NTSC-J vs PAL-M for example). Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/18443e0c3bdbbd16cea4ec63bc7f2079b820b43b.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19drm/client: Change drm_client_panel_rotation nameMaxime Ripard
The drm_client_panel_rotation function has been used so far to set the default rotation based on the panel orientation. However, we can have more sources of information to make that decision, starting with the command line that we will introduce later in this series. Change the name to remove the panel mention. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/8cb0f0d9569d41685bbf30a1538da6578cd2769b.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19drm/connector: Add documentation for drm_cmdline_modeMaxime Ripard
The struct drm_cmdline_mode holds the result of the command line parsers. However, it wasn't documented so far, so let's do that. Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/963c893c16c6a25fc469b53c726f493d99bdc578.1560783090.git-series.maxime.ripard@bootlin.com
2019-06-19Merge v5.2-rc5 into drm-nextDaniel Vetter
Maarten needs -rc4 backmerged so he can pull in the fbcon notifier removal topic branch into drm-misc-next. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2019-06-18drm/ttm: TTM fault handler helpersThomas Hellstrom
With the vmwgfx dirty tracking, the default TTM fault handler is not completely sufficient (vmwgfx need to modify the vma->vm_flags member, and also needs to restrict the number of prefaults). We also want to replicate the new ttm_bo_vm_reserve() functionality So start turning the TTM vm code into helpers: ttm_bo_vm_fault_reserved() and ttm_bo_vm_reserve(), and provide a default TTM fault handler for other drivers to use. Cc: "Christian König" <christian.koenig@amd.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: "Christian König" <christian.koenig@amd.com> #v1
2019-06-18drm/ttm: Allow the driver to provide the ttm struct vm_operations_structThomas Hellstrom
Add a pointer to the struct vm_operations_struct in the bo_device, and assign that pointer to the default value currently used. The driver can then optionally modify that pointer and the new value can be used for each new vma created. Cc: "Christian König" <christian.koenig@amd.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Christian König <christian.koenig@amd.com>
2019-06-17drm/gem: Unexport drm_gem_(un)pin/v(un)mapDaniel Vetter
They're purely for internal use, not for drivers. Cc: Noralf Trønnes <noralf@tronnes.org> Cc: Christian König <christian.koenig@amd.com> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190614203615.12639-3-daniel.vetter@ffwll.ch
2019-06-17Merge remote-tracking branch 'drm/drm-next' into drm-misc-nextMaarten Lankhorst
Pick up rc3 and rc4 and the merges from the other branches, we're a bit out of date. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2019-06-14drm/dp: Add DP_DPCD_QUIRK_NO_SINK_COUNTVille Syrjälä
CH7511 eDP->LVDS bridge doesn't seem to set SINK_COUNT properly causing i915 to detect it as disconnected. Add a quirk to ignore SINK_COUNT on these devices. Cc: David S. <david@majinbuu.com> Cc: Peteris Rudzusiks <peteris.rudzusiks@gmail.com> Tested-by: Peteris Rudzusiks <peteris.rudzusiks@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105406 Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190528140650.19230-1-ville.syrjala@linux.intel.com Acked-by: Jani Nikula <jani.nikula@intel.com> #irc
2019-06-14Merge tag 'drm-misc-next-2019-06-14' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v5.3: UAPI Changes: Cross-subsystem Changes: - Add code to signal all dma-fences when freed with pending signals. - Annotate reservation object access in CONFIG_DEBUG_MUTEXES Core Changes: - Assorted documentation fixes. - Use irqsave/restore spinlock to add crc entry. - Move code around to drm_client, for internal modeset clients. - Make drm_crtc.h and drm_debugfs.h self-contained. - Remove drm_fb_helper_connector. - Add bootsplash to todo. - Fix lock ordering in pan_display_legacy. - Support pinning buffers to current location in gem-vram. - Remove the now unused locking functions from gem-vram. - Remove the now unused kmap-object argument from vram helpers. - Stop checking return value of debugfs_create. - Add atomic encoder enable/disable helpers. - pass drm_atomic_state to atomic connector check. - Add atomic support for bridge enable/disable. - Add self refresh helpers to core. Driver Changes: - Add extra delay to make MTP SDM845 work. - Small fixes to virtio, vkms, sii902x, sii9234, ast, mcde, analogix, rockchip. - Add zpos and ?BGR8888 support to meson. - More removals of drm_os_linux and drmP headers for amd, radeon, sti, r128, r128, savage, sis. - Allow synopsis to unwedge the i2c hdmi bus. - Add orientation quirks for GPD panels. - Edid cleanups and fixing handling for edid < 1.2. - Add runtime pm to stm. - Handle s/r in dw-hdmi. - Add hooks for power on/off to dsi for stm. - Remove virtio dirty tracking code, done in drm core. - Rework BO handling in ast and mgag200. Tiny conflict in drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c, needed #include <linux/slab.h> to make it compile. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/0e01de30-9797-853c-732f-4a5bd6e61445@linux.intel.com
2019-06-14Merge tag 'drm-misc-fixes-2019-06-13' of ↵Daniel Vetter
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes Sean writes: meson: A few G12A fixes across the driver (Neil) quirks: A couple quirks for GPD devices (Hans) gem_shmem: Use writecombine when vmapping non-dmabuf BOs (Boris) panfrost: A couple tweaks to requiring devfreq (Neil & Ezequiel) edid: Ensure we return the override mode when ddc probe fails (Jani) Cc: Hans de Goede <hdegoede@redhat.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Boris Brezillon <boris.brezillon@collabora.com> Cc: Ezequiel Garcia <ezequiel@collabora.com> Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> From: Sean Paul <sean@poorly.run> Link: https://patchwork.freedesktop.org/patch/msgid/20190613143946.GA24233@art_vandelay
2019-06-13drm: Add helpers to kick off self refresh mode in driversSean Paul
This patch adds a new drm helper library to help drivers implement self refresh. Drivers choosing to use it will register crtcs and will receive callbacks when it's time to enter or exit self refresh mode. In its current form, it has a timer which will trigger after a driver-specified amount of inactivity. When the timer triggers, the helpers will submit a new atomic commit to shut the refreshing pipe off. On the next atomic commit, the drm core will revert the self refresh state and bring everything back up to be actively driven. From the driver's perspective, this works like a regular disable/enable cycle. The driver need only check the 'self_refresh_active' state in crtc_state. It should initiate self refresh mode on the panel and enter an off or low-power state. Changes in v2: - s/psr/self_refresh/ (Daniel) - integrated the psr exit into the commit that wakes it up (Jose/Daniel) - made the psr state per-crtc (Jose/Daniel) Changes in v3: - Remove the self_refresh_(active|changed) from connector state (Daniel) - Simplify loop in drm_self_refresh_helper_alter_state (Daniel) - Improve self_refresh_aware comment (Daniel) - s/self_refresh_state/self_refresh_data/ (Daniel) Changes in v4: - Move docbook location below panel (Daniel) - Improve docbook with references and more detailed explanation (Daniel) - Instead of register/unregister, use init/cleanup (Daniel) Changes in v5: - Resolved conflict in drm_atomic_helper.c #include block - Resolved conflict in rst with HDCP helper docs Changes in v6: - Fix include ordering, clean up forward declarations (Sam) Link to v1: https://patchwork.freedesktop.org/patch/msgid/20190228210939.83386-2-sean@poorly.run Link to v2: https://patchwork.freedesktop.org/patch/msgid/20190326204509.96515-1-sean@poorly.run Link to v3: https://patchwork.freedesktop.org/patch/msgid/20190502194956.218441-6-sean@poorly.run Link to v4: https://patchwork.freedesktop.org/patch/msgid/20190508160920.144739-6-sean@poorly.run Link to v5: https://patchwork.freedesktop.org/patch/msgid/20190611160844.257498-6-sean@poorly.run Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Jose Souza <jose.souza@intel.com> Cc: Zain Wang <wzz@rock-chips.com> Cc: Tomasz Figa <tfiga@chromium.org> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Sam Ravnborg <sam@ravnborg.org> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190612145026.191846-1-sean@poorly.run
2019-06-13drm: Convert connector_helper_funcs->atomic_check to accept drm_atomic_stateSean Paul
Everyone who implements connector_helper_funcs->atomic_check reaches into the connector state to get the atomic state. Instead of continuing this pattern, change the callback signature to just give atomic state and let the driver determine what it does and does not need from it. Eventually all atomic functions should do this, but that's just too much busy work for me. Changes in v3: - Added to the set Changes in v4: - None Changes in v5: - intel_digital_connector_atomic_check declaration moved to i915_atomic.h Link to v3: https://patchwork.freedesktop.org/patch/msgid/20190502194956.218441-5-sean@poorly.run Link to v4: https://patchwork.freedesktop.org/patch/msgid/20190508160920.144739-5-sean@poorly.run Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Cc: Eric Anholt <eric@anholt.net> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> [for rcar lvds] Acked-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190611160844.257498-5-sean@poorly.run
2019-06-13drm: Add atomic variants for bridge enable/disableSean Paul
This patch adds atomic variants for all of pre_enable/enable/disable/post_disable bridge functions. These will be called from the appropriate atomic helper functions. If the bridge driver doesn't implement the atomic version of the function, we will fall back to the vanilla implementation. Note that some drivers call drm_bridge_disable directly, and these cases are not covered. It's up to the driver to decide whether to implement both atomic_disable and disable, or if it's not necessary. Changes in v3: - Added to the patchset Changes in v4: - Fix up docbook references (Daniel) Changes in v5: - None Link to v3: https://patchwork.freedesktop.org/patch/msgid/20190502194956.218441-4-sean@poorly.run Link to v4: https://patchwork.freedesktop.org/patch/msgid/20190508160920.144739-4-sean@poorly.run Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190611160844.257498-4-sean@poorly.run
2019-06-13drm: Add drm_atomic_get_(old|new)_connector_for_encoder() helpersLaurent Pinchart
Add functions to the atomic core to retrieve the old and new connectors associated with an encoder in a drm_atomic_state. This is useful for encoders and bridges that need to access the connector, for instance for the drm_display_info. The CRTC associated with the encoder can also be retrieved through the connector state, and from it, the old and new CRTC states. Changed in v4: - Added to the set Changed in v5: - Fix up docbook (Daniel & Laurent) Changed in v6: - Updated commit subject (Sam) Link to v4: https://patchwork.freedesktop.org/patch/msgid/20190508160920.144739-3-sean@poorly.run Link to v5: https://patchwork.freedesktop.org/patch/msgid/20190611160844.257498-3-sean@poorly.run Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> [seanpaul removed WARNs from helpers and added docs to explain why returning NULL might be valid] Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190611205147.181298-1-sean@poorly.run
2019-06-13drm: Add atomic variants of enable/disable to encoder helper funcsSean Paul
This patch adds atomic_enable and atomic_disable callbacks to the encoder helpers. This will allow encoders to make informed decisions in their start-up/shutdown based on the committed state. Aside from the new hooks, this patch also introduces the new signature for .atomic_* functions going forward. Instead of passing object state (well, encoders don't have atomic state, but let's ignore that), we pass the entire atomic state so the driver can inspect more than what's happening locally. This is particularly important for the upcoming self refresh helpers. Changes in v3: - Added patch to the set Changes in v4: - Move atomic_disable above prepare (Daniel) - Add breadcrumb to .enable() docbook (Daniel) Changes in v5: - None Changes in v6: - Tweak kerneldoc some more (Sam) Link to v3: https://patchwork.freedesktop.org/patch/msgid/20190502194956.218441-2-sean@poorly.run Link to v4: https://patchwork.freedesktop.org/patch/msgid/20190508160920.144739-2-sean@poorly.run Link to v5: https://patchwork.freedesktop.org/patch/msgid/20190611160844.257498-2-sean@poorly.run Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Sam Ravnborg <sam@ravnborg.org> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190611204959.180855-1-sean@poorly.run
2019-06-13drm: Remove functions with kmap-object argument from GEM VRAM helpersThomas Zimmermann
The GEM VRAM functions with kmap-object argument are not required any longer. Remove them. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190613073041.29350-10-tzimmermann@suse.de
2019-06-13drm: Remove lock interfaces from GEM VRAM helpersThomas Zimmermann
The lock functions and the locked-pin/unpin functions of GEM VRAM are not required any longer. Remove them. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190613073041.29350-9-tzimmermann@suse.de
2019-06-12drm: Tweak drm_encoder_helper_funcs.enable kerneldocSean Paul
I copied the kerneldoc for encoder_funcs.atomic_enable from encoder_funcs.enable in a recent patch [1]. Sam rightly pointed out in the review that "for symmetry with" text is awkward [2]. So here's a patch to fix up the source of the awkward language. [1] https://patchwork.freedesktop.org/patch/msgid/20190611160844.257498-2-sean@poorly.run [2] https://patchwork.freedesktop.org/patch/msgid/20190611185352.GA16305@ravnborg.org Suggested-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190612150038.194843-1-sean@poorly.run
2019-06-12drm: add fallback override/firmware EDID modes workaroundJani Nikula
We've moved the override and firmware EDID (simply "override EDID" from now on) handling to the low level drm_do_get_edid() function in order to transparently use the override throughout the stack. The idea is that you get the override EDID via the ->get_modes() hook. Unfortunately, there are scenarios where the DDC probe in drm_get_edid() called via ->get_modes() fails, although the preceding ->detect() succeeds. In the case reported by Paul Wise, the ->detect() hook, intel_crt_detect(), relies on hotplug detect, bypassing the DDC. In the case reported by Ilpo Järvinen, there is no ->detect() hook, which is interpreted as connected. The subsequent DDC probe reached via ->get_modes() fails, and we don't even look at the override EDID, resulting in no modes being added. Because drm_get_edid() is used via ->detect() all over the place, we can't trivially remove the DDC probe, as it leads to override EDID effectively meaning connector forcing. The goal is that connector forcing and override EDID remain orthogonal. Generally, the underlying problem here is the conflation of ->detect() and ->get_modes() via drm_get_edid(). The former should just detect, and the latter should just get the modes, typically via reading the EDID. As long as drm_get_edid() is used in ->detect(), it needs to retain the DDC probe. Or such users need to have a separate DDC probe step first. The EDID caching between ->detect() and ->get_modes() done by some drivers is a further complication that prevents us from making drm_do_get_edid() adapt to the two cases. Work around the regression by falling back to a separate attempt at getting the override EDID at drm_helper_probe_single_connector_modes() level. With a working DDC and override EDID, it'll never be called; the override EDID will come via ->get_modes(). There will still be a failing DDC probe attempt in the cases that require the fallback. v2: - Call drm_connector_update_edid_property (Paul) - Update commit message about EDID caching (Daniel) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107583 Reported-by: Paul Wise <pabs3@bonedaddy.net> Cc: Paul Wise <pabs3@bonedaddy.net> References: http://mid.mail-archive.com/alpine.DEB.2.20.1905262211270.24390@whs-18.cs.helsinki.fi Reported-by: Ilpo Järvinen <ilpo.jarvinen@cs.helsinki.fi> Cc: Ilpo Järvinen <ilpo.jarvinen@cs.helsinki.fi> Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch> References: 15f080f08d48 ("drm/edid: respect connector force for drm_get_edid ddc probe") Fixes: 53fd40a90f3c ("drm: handle override and firmware EDID at drm_do_get_edid() level") Cc: <stable@vger.kernel.org> # v4.15+ 56a2b7f2a39a drm/edid: abstract override/firmware EDID retrieval Cc: <stable@vger.kernel.org> # v4.15+ Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Harish Chegondi <harish.chegondi@intel.com> Tested-by: Paul Wise <pabs3@bonedaddy.net> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190610093054.28445-1-jani.nikula@intel.com
2019-06-12drm/bridge/synopsys: dsi: add power on/off optional phy opsYannick Fertré
Add power on & off optional physical operation functions, helpful to program specific registers of the DSI physical part. Signed-off-by: Yannick Fertré <yannick.fertre@st.com> Reviewed-by: Philippe Cornu <philippe.cornu@st.com> Tested-by: Philippe Cornu <philippe.cornu@st.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1558952499-15418-2-git-send-email-yannick.fertre@st.com
2019-06-11drm: bridge: dw-hdmi: Add hook for resumeDouglas Anderson
On Rockchip rk3288-based Chromebooks when you do a suspend/resume cycle: 1. You lose the ability to detect an HDMI device being plugged in. 2. If you're using the i2c bus built in to dw_hdmi then it stops working. Let's add a hook to the core dw-hdmi driver so that we can call it in dw_hdmi-rockchip in the next commit. NOTE: the exact set of steps I've done here in resume come from looking at the normal dw_hdmi init sequence in upstream Linux plus the sequence that we did in downstream Chrome OS 3.14. Testing show that it seems to work, but if an extra step is needed or something here is not needed we could improve it. As part of this change we'll refactor the hardware init bits of dw-hdmi to happen all in one function and all at the same time. Since we need to init the interrupt mutes before we request the IRQ, this means moving the hardware init earlier in the function, but there should be no problems with that. Also as part of this we now unconditionally init the "i2c" parts of dw-hdmi, but again that ought to be fine. Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190604204207.168085-1-dianders@chromium.org
2019-06-11drm/fb: document dirty helper betterDaniel Vetter
Apparently little known fact that there's no need to hand-roll your own anymore. Cc'ing a bunch of driver people who might want to know this too. v2: s/none/known/ (Chris Wilson) Cc: Rob Clark <robdclark@gmail.com> Cc: Sebastian Reichel <sebastian.reichel@collabora.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Sean Paul <sean@poorly.run> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: David Lechner <david@lechnology.com> Cc: Noralf Trønnes <noralf@tronnes.org> Cc: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190611112859.16375-1-daniel.vetter@ffwll.ch
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