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This IOCTL provides a mechanism for userspace to trigger a sync object
directly. There are other ways that userspace can trigger a syncobj
such as submitting a dummy batch somewhere or hanging on to a triggered
sync_file and doing an import. This just provides an easy way to
manually trigger the sync object without weird hacks.
The motivation for this IOCTL is Vulkan fences. Vulkan lets you create
a fence already in the signaled state so that you can wait on it
immediatly without stalling. We could also handle this with a new
create flag to ask the driver to create a syncobj that is already
signaled but the IOCTL seemed a bit cleaner and more generic.
v2:
- Take an array of sync objects (Dave Airlie)
v3:
- Throw -EINVAL if pad != 0
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This just resets the dma_fence to NULL so it looks like it's never been
signaled. This will be useful once we add the new wait API for allowing
wait on "submit and signal" behavior.
v2:
- Take an array of sync objects (Dave Airlie)
v3:
- Throw -EINVAL if pad != 0
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Christian König <christian.koenig@amd.com> (v1)
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This interface will allow sync object to be used to back
Vulkan fences. This API is pretty much the vulkan fence waiting
API, and I've ported the code from amdgpu.
v2: accept relative timeout, pass remaining time back
to userspace.
v3: return to absolute timeouts.
v4: absolute zero = poll,
rewrite any/all code to have same operation for arrays
return -EINVAL for 0 fences.
v4.1: fixup fences allocation check, use u64_to_user_ptr
v5: move to sec/nsec, and use timespec64 for calcs.
v6: use -ETIME and drop the out status flag. (-ETIME
is suggested by ickle, I can feel a shed painting)
v7: talked to Daniel/Arnd, use ktime and ns everywhere.
v8: be more careful in the timeout calculations
use uint32_t for counter variables so we don't overflow
graciously handle -ENOINT being returned from dma_fence_wait_timeout
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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I need this to be able to apply the deferred fbdev setup patches, I
need the relevant prep work that landed through the drm-intel tree.
Also squash in conflict fixup from Laurent Pinchart.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Pull drm updates from Dave Airlie:
"This is the main pull request for the drm, I think I've got one later
driver pull for mediatek SoC driver, I'm undecided on if it needs to
go to you yet.
Otherwise summary below:
Core drm:
- Atomic add driver private objects
- Deprecate preclose hook in modern drivers
- MST bandwidth tracking
- Use kvmalloc in more places
- Add mode_valid hook for crtc/encoder/bridge
- Reduce sync_file construction time
- Documentation updates
- New DRM synchronisation object support
New drivers:
- pl111 - pl111 CLCD display controller
Panel:
- Innolux P079ZCA panel driver
- Add NL12880B20-05, NL192108AC18-02D, P320HVN03 panels
- panel-samsung-s6e3ha2: Add s6e3hf2 panel support
i915:
- SKL+ watermark fixes
- G4x/G33 reset improvements
- DP AUX backlight improvements
- Buffer based GuC/host communication
- New getparam for (sub)slice infomation
- Cannonlake and Coffeelake initial patches
- Execbuf optimisations
radeon/amdgpu:
- Lots of Vega10 bug fixes
- Preliminary raven support
- KIQ support for compute rings
- MEC queue management rework
- DCE6 Audio support
- SR-IOV improvements
- Better radeon/amdgpu selection support
nouveau:
- HDMI stereoscopic support
- Display code rework for >= GM20x GPUs
msm:
- GEM rework for fine-grained locking
- Per-process pagetable work
- HDMI fixes for Snapdragon 820.
vc4:
- Remove 256MB CMA limit from vc4
- Add out-fence support
- Add support for cygnus
- Get/set tiling ioctls support
- Add T-format tiling support for scanout
zte:
- add VGA support.
etnaviv:
- Thermal throttle support for newer GPUs
- Restore userspace buffer cache performance
- dma-buf sync fix
stm:
- add stm32f429 display support
exynos:
- Rework vblank handling
- Fixup sw-trigger code
sun4i:
- V3s display engine support
- HDMI support for older SoCs
- Preliminary work on dual-pipeline SoCs.
rcar-du:
- VSP work
imx-drm:
- Remove counter load enable from PRE
- Double read/write reduction flag support
tegra:
- Documentation for the host1x and drm driver.
- Lots of staging ioctl fixes due to grate project work.
omapdrm:
- dma-buf fence support
- TILER rotation fixes"
* tag 'drm-for-v4.13' of git://people.freedesktop.org/~airlied/linux: (1270 commits)
drm: Remove unused drm_file parameter to drm_syncobj_replace_fence()
drm/amd/powerplay: fix bug fail to remove sysfs when rmmod amdgpu.
amdgpu: Set cik/si_support to 1 by default if radeon isn't built
drm/amdgpu/gfx9: fix driver reload with KIQ
drm/amdgpu/gfx8: fix driver reload with KIQ
drm/amdgpu: Don't call amd_powerplay_destroy() if we don't have powerplay
drm/ttm: Fix use-after-free in ttm_bo_clean_mm
drm/amd/amdgpu: move get memory type function from early init to sw init
drm/amdgpu/cgs: always set reference clock in mode_info
drm/amdgpu: fix vblank_time when displays are off
drm/amd/powerplay: power value format change for Vega10
drm/amdgpu/gfx9: support the amdgpu.disable_cu option
drm/amd/powerplay: change PPSMC_MSG_GetCurrPkgPwr for Vega10
drm/amdgpu: Make amdgpu_cs_parser_init static (v2)
drm/amdgpu/cs: fix a typo in a comment
drm/amdgpu: Fix the exported always on CU bitmap
drm/amdgpu/gfx9: gfx_v9_0_enable_gfx_static_mg_power_gating() can be static
drm/amdgpu/psp: upper_32_bits/lower_32_bits for address setup
drm/amd/powerplay/cz: print message if smc message fails
drm/amdgpu: fix typo in amdgpu_debugfs_test_ib_init
...
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There's no reason for drivers to call this, and all the ones I've
removed looked very fishy:
- Proper quiescenting of the vblank machinery should be done by
calling drm_crtc_vblank_off(), which is best done by shutting down
the entire display engine with drm_atomic_helper_shutdown.
- Releasing of allocated memory is done by the core already, it calls
drm_vblank_cleanup as a fallback.
- drm_vblank_cleanup also has checks for drivers which forget to clean
up vblank interrupts.
This essentially reverts
commit e77cef9c2d87db835ad9d70cde4a9b00b0ca2262
Author: Jerome Glisse <jglisse@redhat.com>
Date: Thu Jan 7 15:39:13 2010 +0100
drm: Avoid calling vblank function is vblank wasn't initialized
which was done to fix a bug in radeon code with msi interrupts:
commit 003e69f9862bcda89a75c27750efdbc17ac02945
Author: Jerome Glisse <jglisse@redhat.com>
Date: Thu Jan 7 15:39:14 2010 +0100
drm/radeon/kms: Don't try to enable IRQ if we have no handler installed
Afaict from digging around in old code, this was needed to avoid
blowing up in the ums fallback, and has stopped serving it's purpose
long ago - if irq init fails, the driver fails to load, and there's
really no way to blow up anymore.
Long story short, this was most likely a small ums compat/fallback
hack that became a thing of it's own and got cargo-cult duplicated all
over the drm codebase for essentially no gain at all.
v2: Mention that for drivers with a ->release callback cleanup is
handled by drm_dev_fini() (Thierry).
Cc: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170626161949.25629-2-daniel.vetter@ffwll.ch
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Required for Daniel's drm_vblank_cleanup cleanup
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The only special-case is pci devices, and we can easily handle this in
the core. Do so and drop a pile of boilerplate from drivers.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-5-daniel.vetter@ffwll.ch
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I alwasy get confused about drm_wait_vblank for a split second until I
realize it's the ioctl handler. Unconfuse me, and do it for the legacy
modeset vblank control ioctl too.
While at it also noticed that I misplaced the irq ioctl handler in the
internal header file.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170524145212.27837-12-daniel.vetter@ffwll.ch
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Sync objects are new toplevel drm object, that contain a
pointer to a fence. This fence can be updated via command
submission ioctls via drivers.
There is also a generic wait obj API modelled on the vulkan
wait API (with code modelled on some amdgpu code).
These objects can be converted to an opaque fd that can be
passes between processes.
v2: rename reference/unreference to put/get (Chris)
fix leaked reference (David Zhou)
drop mutex in favour of cmpxchg (Chris)
v3: cleanups from danvet, rebase on drm_fops rename
check fd_flags is 0 in ioctls.
v4: export find/free, change replace fence to take a
syncobj. In order to support lookup first, replace
later semantics which seem in the end to be cleaner.
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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drm_irq.c contains both the irq helper library (optional) and the
vblank support (optional, but part of the modeset uapi, and doesn't
require the use of the irq helpers at all.
Split this up for more clarity of the scope of the individual bits.
v2: Move misplaced hunks to this patch (Stefan).
Cc: Stefan Agner <stefan@agner.ch>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170531092146.12528-1-daniel.vetter@ffwll.ch
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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I've decided to not document drm_debugfs_remove_files, it's on the way
out.
The biggest part is a huge todo.rst entry with what all should be
improved.
v2: Nits from Gabriel.
Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170322205401.24897-1-daniel.vetter@ffwll.ch
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It's not just file ops, but drm_file stuff in general. This is prep
work to extracting a drm_file.h header in the next patch.
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170308141257.12119-8-daniel.vetter@ffwll.ch
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With that the drm_pci_device_is_agp function becomes trivial, so
inline that too. And while at it, move the drm_pci_agp_destroy
declaration into drm-internal.h, since it's not used by drivers.
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-11-daniel.vetter@ffwll.ch
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Spotted while auditing our ioctl table. Also nuke the
not-really-kerneldoc comments, we don't document internals and
definitely don't want to mislead people with the old dragons.
I think with this all the legacy ioctls now have proper drm_legacy_
prefixes.
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161213230814.19598-2-daniel.vetter@ffwll.ch
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- Drop extern for functions, it's noise.
- Move&consolidate drm.ko internal parts into drm-internal.h.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114090255.31595-6-daniel.vetter@ffwll.ch
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I want to move dumb buffer documentation into the right vfuncs, and
for that I first need to be able to pull that into kerneldoc without
having to clean up all of drmP.h. Also, header-splitting is nice.
While at it shuffle all the function declarations for drm_drv.c into
the right spots, and drop the kerneldoc for drm_minor_acquire/release
since it's only used internally.
v2: Keep all existing copyright notices (Chris).
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Adds files and directories to debugfs for controlling and reading frame
CRCs, per CRTC:
dri/0/crtc-0/crc
dri/0/crtc-0/crc/control
dri/0/crtc-0/crc/data
Drivers can implement the set_crc_source callback() in drm_crtc_funcs to
start and stop generating frame CRCs and can add entries to the output
by calling drm_crtc_add_crc_entry.
v2:
- Lots of good fixes suggested by Thierry.
- Added documentation.
- Changed the debugfs layout.
- Moved to allocate the entries circular queue once when frame
generation gets enabled for the first time.
v3:
- Use the control file just to select the source, and start and stop
capture when the data file is opened and closed, respectively.
- Make variable the number of CRC values per entry, per source.
- Allocate entries queue each time we start capturing as now there
isn't a fixed number of CRC values per entry.
- Store the frame counter in the data file as a 8-digit hex number.
- For sources that cannot provide useful frame numbers, place
XXXXXXXX in the frame field.
v4:
- Build only if CONFIG_DEBUG_FS is enabled.
- Use memdup_user_nul.
- Consolidate calculation of the size of an entry in a helper.
- Add 0x prefix to hex numbers in the data file.
- Remove unnecessary snprintf and strlen usage in read callback.
v5:
- Made the crcs array in drm_crtc_crc_entry fixed-size
- Lots of other smaller improvements suggested by Emil Velikov
v7:
- Move definition of drm_debugfs_crtc_crc_add to drm_internal.h
v8:
- Call debugfs_remove_recursive when we fail to create the minor
device
v9:
- Register the debugfs directory for a crtc from
drm_crtc_register_all()
v10:
- Don't let debugfs failures interrupt CRTC registration (Emil
Velikov)
v11:
- Remove extra brace that broke compilation. Sorry!
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1475767268-14379-3-git-send-email-tomeu.vizoso@collabora.com
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The drm_core.h header contains a set of constants meant to be used
throughout DRM. However, as it turns out, they're each used just once and
don't bring any benefit. They're also grossly mis-named and lack
name-spacing. This patch inlines them, or moves them into drm_internal.h
as appropriate:
- CORE_AUTHOR and CORE_DESC are inlined into corresponding MODULE_*()
macros. It's just confusing having to follow 2 pointers when trying to
find the definition of these fields. Grep'ping for MODULE_AUTHOR()
should reveal the full information, if there's no strong reason not to.
- CORE_NAME, CORE_DATE, CORE_MAJOR, CORE_MINOR, and CORE_PATCHLEVEL are
inlined into the sysfs 'version' attribute. They're stripped
everywhere else (which is just some printk() statements). CORE_NAME
just doesn't make *any* sense, as we hard-code it in many places,
anyway. The other constants are outdated and just serve
binary-compatibility purposes. Hence, inline them in 'version' sysfs
attribute (we might even try dropping it..).
- DRM_IF_MAJOR and DRM_IF_MINOR are moved into drm_internal.h as they're
only used by the global ioctl handlers. Furthermore, versioning
interfaces breaks backports and as such is deprecated, anyway. We just
keep them for historic reasons. I doubt anyone will ever modify them
again.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160901124837.680-6-dh.herrmann@gmail.com
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Ever since
commit 2e1868b560315a8b20d688e646c489a5ad93eeae
Author: Eric Anholt <anholt@freebsd.org>
Date: Wed Jun 16 09:25:21 2004 +0000
DRI trunk-20040613 import
the X server supports drm 1.1, thus doesn't call call libdrm's
drmSetBusid - the sole user of this ioctl. When reviewing this note
that for hilarity both the kernel-internal functions (set_busid) and
the libdrm wrapper (drmSetBusid) have names not matching this ioctl
(SET_UNIQUE).
v2: Polish commit message (Emil).
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1466499262-18717-6-git-send-email-daniel.vetter@ffwll.ch
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Like with drm_master_open protect it with a check for primary_client
to make it clear that this can't happen on render/control nodes.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465930269-7883-7-git-send-email-daniel.vetter@ffwll.ch
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And pull out the primary_client check to make it really obvious that
this can't happen on control/render nodes. Bonus that we can avoid the
master lock in this case.
v2: Don't leak locks on error path (and simplify control flow while
at it), reported by Julia.
Cc: Julia Lawall <julia.lawall@lip6.fr>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465930269-7883-6-git-send-email-daniel.vetter@ffwll.ch
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For modern drivers pretty much the only thing drm_master does is
handling authentication for the primary/legacy drm_minor node. Instead
of having it all over drm files, move it all together into drm_auth.c.
This patch just does code-motion, follow up patches will also extract
the master logic from file open&release paths.
Reviewed-by: Chris Wilson Mchris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465930269-7883-5-git-send-email-daniel.vetter@ffwll.ch
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Master-based auth only exists for the legacy/primary drm_minor, hence
there can only be one per device. The goal here is to untangle the
epic dereference games of minor->master and master->minor which is
just massively confusing.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465930269-7883-4-git-send-email-daniel.vetter@ffwll.ch
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GEM stopped using those a while ago, and no one should ever
need to use them again to debug legacy horror show drivers.
Nuke it all. Aside: It would kinda be nice if we'd have some
generic debugfs dumps for at least kms ...
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465930269-7883-2-git-send-email-daniel.vetter@ffwll.ch
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It's only used for legacy mmaping support now.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-8-git-send-email-daniel.vetter@ffwll.ch
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Except for the ->lasclose driver callback evrything in drm_lastclose()
is all legacy cruft and can be hidden. Which means another
dev->struct_mutex site disappears entirely for modern drivers!
Also while at it change the return value of drm_lastclose to void
since it will always succeed. No one checks the return value of
close() anyway, ever.
v2: Move misplaced hunk, spotted by 0day.
Cc: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1461691808-12414-3-git-send-email-daniel.vetter@ffwll.ch
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Right now, drm_sysfs_create() returns the newly allocated "struct class"
to the caller (which is drm_core_init()), which then has to set the
global variable 'drm_class'. During cleanup, though, we call
drm_sysfs_destroy() which implicitly uses the global 'drm_class'. This is
confusing, as ownership of the global 'drm_class' is non-obvious.
This patch changes drm_sysfs_create() to drm_sysfs_init() and makes it
initialize the 'drm_class' object directly, rather than returning it.
This way, both drm_sysfs_init() and drm_sysfs_destroy() work in a similar
fashion and manage the global drm class.
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The magic auth tokens we have are a simple map from cyclic IDs to drm_file
objects. Remove all the old bulk of code and replace it with a simple,
direct IDR.
The previous behavior is kept. Especially calling authmagic multiple times
on the same magic results in EINVAL except on the first call. The only
difference in behavior is that we never allocate IDs multiple times as
long as a client has its FD open.
v2:
- Fix return code of GetMagic()
- Use non-cyclic IDR allocator
- fix off-by-one in "magic > INT_MAX" sanity check
v3:
- drop redundant "magic > INT_MAX" check
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Commit 28a62277e06f ("drm: Convert proc files to seq_file and introduce
debugfs") converted /proc files to debugfs and in the process dropped
the entry for the vblank statistics. Since that file has been gone for
almost five years, there is no use to keep the code that provides the
file's content around.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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In my header cleanup I've missed the debugfs functions completely.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Somehow I've missed these three, fix this up asap. Plus move
drm_master_create since while at it.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Leftover from my previous header cleanup.
This depends upon the patch to rework exynos mmap support, otherwise
it'll break exynos.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Now that we've removed the copypasted users in gem/ttm we can
relegate the legacy buffer mapping support to where it belongs.
Also give it the proper drm_legacy_ prefix.
While at it statify drm_mmap_locked, somehow I've missed that in my
previous header rework.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Drivers really, really have no business even looking at this lock. And
thankfully they don't.
So unexport it and move the declaration to drm_internal.h.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This way drivers can't grow crazy ideas any more, and it also
helps a bit in reviewing EXPORT_SYMBOLS.
v2: Even more stuff. Unfortunately we can't move drm_vm_open_locked
because exynos does some horrible stuff with it.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This allows us to drop 2 header declarations from drmP.h. The 3rd one
is also used in drm_ioctl.c, so for that create a new drm_internal.h
header for non-legacy non-kms (since we have internal headers for
those parts already) declarations private to drm.ko.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Jason Ekstrand
Dave Airlie
Daniel Vetter
Linus Torvalds
Sean Paul
Al Viro
Tomeu Vizoso
David Herrmann
Thierry Reding