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2019-04-03drm/fb-helper: generic: Call drm_client_add() after setup is doneNoralf Trønnes1-2/+2
Hotplug can happen while drm_fbdev_generic_setup() is running so move drm_client_add() call after setup is done to avoid drm_fbdev_client_hotplug() running in two threads at the same time. Fixes: 9060d7f49376 ("drm/fb-helper: Finish the generic fbdev emulation") Cc: stable@vger.kernel.org Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20190401141358.25309-1-noralf@tronnes.org
2019-04-03drm/vc4: Call drm_dev_register() after all setup is doneNoralf Trønnes1-2/+4
drm_dev_register() initializes internal clients like bootsplash as the last thing it does, so all setup needs to be done at this point. Fix by calling vc4_kms_load() before registering. Also check the error code returned from that function. Cc: Eric Anholt <eric@anholt.net> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190326175546.18126-17-noralf@tronnes.org
2019-04-03drm/fb-helper: dpms_legacy(): Only set on connectors in useNoralf Trønnes1-6/+5
For each enabled crtc the functions sets dpms on all registered connectors. Limit this to only doing it once and on the connectors actually in use. Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Fixes: 023eb571a1d0 ("drm: correctly update connector DPMS status in drm_fb_helper") Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20190326175546.18126-3-noralf@tronnes.org
2019-04-03drm/fb-helper: Remove unused gamma_size variableNoralf Trønnes1-5/+1
The gamma_size variable has not been used since commit 4abe35204af8 ("drm/kms/fb: use slow work mechanism for normal hotplug also.") While in the area move a comment back to its code block. They got separated by commit d50ba256b5f1 ("drm/kms: start adding command line interface using fb."). Signed-off-by: Noralf Trønnes <noralf@tronnes.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20190326175546.18126-2-noralf@tronnes.org
2019-04-02drm/cirrus: drop mode_info.mode_config_initializedGerd Hoffmann2-8/+2
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20190402090459.12126-3-kraxel@redhat.com
2019-04-02drm/bochs: drop mode_config_initializedGerd Hoffmann2-7/+2
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20190402090459.12126-2-kraxel@redhat.com
2019-04-02drm/cirrus: add missing drm_helper_force_disable_all() call.Gerd Hoffmann1-0/+1
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20190401140306.28063-4-kraxel@redhat.com
2019-04-02drm/bochs: add missing drm_atomic_helper_shutdown() call.Gerd Hoffmann1-0/+1
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20190401140306.28063-3-kraxel@redhat.com
2019-04-02drm/virtio: add missing drm_atomic_helper_shutdown() call.Gerd Hoffmann1-0/+1
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20190401140306.28063-2-kraxel@redhat.com
2019-04-01drm/v3d: fix a missing check of pm_runtime_get_syncKangjie Lu1-0/+2
pm_runtime_get_sync could fail and thus deserves a check. The patch adds such a check and return its error code upstream if it indeed failed. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190324231602.2436-1-kjlu@umn.edu Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
2019-04-01MAINTAINERS: add drm/lima driver infoQiang Yu1-0/+9
Signed-off-by: Qiang Yu <yuq825@gmail.com> Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190329134748.8269-1-yuq825@gmail.com Acked-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2019-04-01drm/lima: driver for ARM Mali4xx GPUsQiang Yu36-0/+4248
- Mali 4xx GPUs have two kinds of processors GP and PP. GP is for OpenGL vertex shader processing and PP is for fragment shader processing. Each processor has its own MMU so prcessors work in virtual address space. - There's only one GP but multiple PP (max 4 for mali 400 and 8 for mali 450) in the same mali 4xx GPU. All PPs are grouped togather to handle a single fragment shader task divided by FB output tiled pixels. Mali 400 user space driver is responsible for assign target tiled pixels to each PP, but mali 450 has a HW module called DLBU to dynamically balance each PP's load. - User space driver allocate buffer object and map into GPU virtual address space, upload command stream and draw data with CPU mmap of the buffer object, then submit task to GP/PP with a register frame indicating where is the command stream and misc settings. - There's no command stream validation/relocation due to each user process has its own GPU virtual address space. GP/PP's MMU switch virtual address space before running two tasks from different user process. Error or evil user space code just get MMU fault or GP/PP error IRQ, then the HW/SW will be recovered. - Use GEM+shmem for MM. Currently just alloc and pin memory when gem object creation. GPU vm map of the buffer is also done in the alloc stage in kernel space. We may delay the memory allocation and real GPU vm map to command submission stage in the furture as improvement. - Use drm_sched for GPU task schedule. Each OpenGL context should have a lima context object in the kernel to distinguish tasks from different user. drm_sched gets task from each lima context in a fair way. mesa driver can be found here before upstreamed: https://gitlab.freedesktop.org/lima/mesa v8: - add comments for in_sync - fix ctx free miss mutex unlock v7: - remove lima_fence_ops with default value - move fence slab create to device probe - check pad ioctl args to be zero - add comments for user/kernel interface v6: - fix comments by checkpatch.pl v5: - export gp/pp version to userspace - rebase on drm-misc-next v4: - use get param interface to get info - separate context create/free ioctl - remove unused max sched task param - update copyright time - use xarray instead of idr - stop using drmP.h v3: - fix comments from kbuild robot - restrict supported arch to tested ones v2: - fix syscall argument check - fix job finish fence leak since kernel 5.0 - use drm syncobj to replace native fence - move buffer object GPU va map into kernel - reserve syscall argument space for future info - remove kernel gem modifier - switch TTM back to GEM+shmem MM - use time based io poll - use whole register name - adopt gem reservation obj integration - use drm_timeout_abs_to_jiffies Cc: Eric Anholt <eric@anholt.net> Cc: Rob Herring <robh@kernel.org> Cc: Christian König <ckoenig.leichtzumerken@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Alex Deucher <alexdeucher@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Rob Clark <robdclark@gmail.com> Cc: Dave Airlie <airlied@gmail.com> Signed-off-by: Andreas Baierl <ichgeh@imkreisrum.de> Signed-off-by: Erico Nunes <nunes.erico@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Simon Shields <simon@lineageos.org> Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Qiang Yu <yuq825@gmail.com> Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Rob Herring <robh@kerrnel.org> Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/291200/
2019-04-01drm/vc4: Make sure that the v3d ident debugfs has vc4's power on.Eric Anholt1-12/+17
Otherwise, you sometimes decode the ident fields based on 0xdeadbeef register reads. Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190220210343.28157-7-eric@anholt.net Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
2019-04-01drm/vc4: Add helpers for pm get/put.Eric Anholt4-28/+49
This makes sure the vc4_reset doesn't hit an obscure race with the GET_PARAM ioctl, fixes a decrement outside of the lock, and prevents future code from making mistakes with the weird return value of pm_runtime_get_sync(). Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190220210343.28157-6-eric@anholt.net Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
2019-04-01drm/vc4: Use drm_printer for the debugfs and runtime bo stats output.Eric Anholt1-34/+14
Now I can extend the stats without more copy and pasting between the two. Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190220210343.28157-4-eric@anholt.net Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
2019-04-01drm: shmem: Off by one in drm_gem_shmem_fault()Dan Carpenter1-1/+1
The shmem->pages[] array has "num_pages" elements so the > should be >= to prevent reading beyond the end of the array. The shmem->pages[] array is allocated in drm_gem_shmem_prime_import_sg_table(). Fixes: 2194a63a818d ("drm: Add library for shmem backed GEM objects") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190322064125.GA12551@kadam
2019-04-01drm/vc4: Use drm_print_regset32() for our debug register dumping.Eric Anholt9-414/+350
This removes a bunch of duplicated boilerplate for the debugfs vs runtime printk debug dumping. Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190220210343.28157-2-eric@anholt.net Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
2019-04-01drm: Add a helper function for printing a debugfs_regset32.Eric Anholt2-0/+30
The debugfs_regset32 is nice to use for reducing boilerplate in dumping a bunch of regs in debugfs, but we also want to be able to print to dmesg them at runtime for driver debugging. drm_printer lets us format debugfs and the printk the same way. v2: Add some kerneldoc for the function (requested by danvet) Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190220210343.28157-1-eric@anholt.net Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> (v1) Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2019-04-01drm/v3d: Rename the fence signaled from IRQs to "irq_fence".Eric Anholt4-14/+14
We have another thing called the "done fence" that tracks when the scheduler considers the job done, and having the shared name was confusing. Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190313235211.28995-2-eric@anholt.net Reviewed-by: Dave Emett <david.emett@broadcom.com>
2019-04-01drm/v3d: Add a note about OOM vs FLDONE, which may be racing on v3.3.Eric Anholt1-1/+2
We deref v3d->bin_job in the work handler, but v3d->bin_job doesn't actually hold a ref on the job. v2: typo fix FRDONE -> FLDONE Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190313235211.28995-1-eric@anholt.net Reviewed-by: Dave Emett <david.emett@broadcom.com>
2019-04-01drm/v3d: fix a NULL vs error pointer mixupDan Carpenter1-2/+2
The drm_gem_shmem_create() returns error pointers and v3d_bo_create() is also supposed to return error pointers. Fixes: 40609d4820b2 ("drm/v3d: Use the new shmem helpers to reduce driver boilerplate.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20190321062731.GC21489@kadam
2019-04-01drm/vc4: Make sure to emit a tile coordinates between two MSAA loads.Eric Anholt1-12/+11
The HW only executes a load once the tile coordinates packet happens, and only tracks one at a time, so by emitting our two MSAA loads back to back we would end up with an undefined color or Z buffer. Fixes dEQP-EGL.functional.render.multi_context.gles2.rgb888_window Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190206232550.12012-1-eric@anholt.net
2019-04-01drm/syncobj: add timeline signal ioctl for syncobj v5Chunming Zhou4-0/+78
v2: individually allocate chain array, since chain node is free independently. v3: all existing points must be already signaled before cpu perform signal operation, so add check condition for that. v4: remove v3 change and add checking to prevent out-of-order v5: unify binary and timeline Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Cc: Tobias Hector <Tobias.Hector@amd.com> Cc: Jason Ekstrand <jason@jlekstrand.net> Cc: Dave Airlie <airlied@redhat.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/295792/?series=58813&rev=1
2019-04-01drm/syncobj: add transition iotcls between binary and timeline v2Chunming Zhou4-0/+88
we need to import/export timeline point. v2: unify to one transfer ioctl Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/295790/?series=58813&rev=1
2019-04-01drm/syncobj: use the timeline point in drm_syncobj_find_fence v4Christian König1-3/+47
Implement finding the right timeline point in drm_syncobj_find_fence. v2: return -EINVAL when the point is not submitted yet. v3: fix reference counting bug, add flags handling as well v4: add timeout for find fence Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/295786/?series=58813&rev=1
2019-04-01drm/syncobj: add timeline payload query ioctl v6Chunming Zhou4-0/+76
user mode can query timeline payload. v2: check return value of copy_to_user v3: handle querying entry by entry v4: rebase on new chain container, simplify interface v5: query last signaled timeline point, not last point. v6: add unorder point check Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Cc: Tobias Hector <Tobias.Hector@amd.com> Cc: Jason Ekstrand <jason@jlekstrand.net> Cc: Dave Airlie <airlied@redhat.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/295784/?series=58813&rev=1
2019-04-01drm/syncobj: add support for timeline point wait v8Chunming Zhou4-29/+143
points array is one-to-one match with syncobjs array. v2: add seperate ioctl for timeline point wait, otherwise break uapi. v3: userspace can specify two kinds waits:: a. Wait for time point to be completed. b. and wait for time point to become available v4: rebase v5: add comment for xxx_WAIT_AVAILABLE v6: rebase and rework on new container v7: drop _WAIT_COMPLETED, it is the default anyway v8: correctly handle garbage collected fences Signed-off-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Cc: Tobias Hector <Tobias.Hector@amd.com> Cc: Jason Ekstrand <jason@jlekstrand.net> Cc: Dave Airlie <airlied@redhat.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/295782/?series=58813&rev=1
2019-04-01drm/syncobj: add new drm_syncobj_add_point interface v4Christian König2-0/+45
Use the dma_fence_chain object to create a timeline of fence objects instead of just replacing the existing fence. v2: rebase and cleanup v3: fix garbage collection parameters v4: add unorder point check, print a warn calltrace Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/295780/?series=58813&rev=1
2019-04-01dma-buf: add new dma_fence_chain container v7Christian König3-1/+324
Lockless container implementation similar to a dma_fence_array, but with only two elements per node and automatic garbage collection. v2: properly document dma_fence_chain_for_each, add dma_fence_chain_find_seqno, drop prev reference during garbage collection if it's not a chain fence. v3: use head and iterator for dma_fence_chain_for_each v4: fix reference count in dma_fence_chain_enable_signaling v5: fix iteration when walking each chain node v6: add __rcu for member 'prev' of struct chain node v7: fix rcu warnings from kernel robot Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Link: https://patchwork.freedesktop.org/patch/295778/?series=58813&rev=1
2019-04-01drm: fallback to dma_alloc_coherent when memory encryption is activeChristian König1-0/+7
We can't just map any randome page we get when memory encryption is active. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.kernel.org/patch/10850833/
2019-04-01drm/sun4i: hdmi: add support for ddc-i2c-bus propertyMans Rullgard2-3/+38
Sometimes it is desirabled to use a separate i2c controller for ddc access. This adds support for the ddc-i2c-bus property of the hdmi-connector node, using the specified controller if provided. Signed-off-by: Mans Rullgard <mans@mansr.com> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190328130249.19356-1-mans@mansr.com
2019-04-01drm/stm: add sleep power managementYannick Fertré3-0/+62
Implements system sleep power management ops. Signed-off-by: Yannick Fertré <yannick.fertre@st.com> Acked-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1553156120-13851-1-git-send-email-yannick.fertre@st.com
2019-04-01drm/stm: dw_mipi_dsi-stm: add sleep power managementYannick Fertré1-0/+28
Implements system sleep power management ops. Signed-off-by: Yannick Fertré <yannick.fertre@st.com> Acked-by: Philippe Cornu <philippe.cornu@st.com> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/1553156033-13792-1-git-send-email-yannick.fertre@st.com
2019-03-31drm: rockchip: introduce rk3066 hdmiZheng Yang6-0/+1117
The RK3066 HDMI TX serves as interface between a LCD Controller and a HDMI bus. A HDMI TX consists of one HDMI transmitter controller and one HDMI transmitter PHY. The interface has three (3) 8-bit data channels which can be configured for a number of bus widths (8/10/12/16/20/24-bit) and different video formats (RGB, YCbCr). Features: HDMI version 1.4a, HDCP revision 1.4 and DVI version 1.0 compliant transmitter. Supports DTV resolutions from 480i to 1080i/p HD. Master I2C interface for a DDC connection. HDMI TX supports multiple power save modes. The HDMI TX input can switch between LCDC0 and LCDC1. (Sound support is not included in this patch) Signed-off-by: Zheng Yang <zhengyang@rock-chips.com> Signed-off-by: Johan Jonker <jbx6244@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20190330095639.14626-2-jbx6244@gmail.com