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Reported by jcristau.
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Thanks to airlied for catching this.
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This avoids duplicating the effort in 3 places. Also, added emit/wait fence
callbacks back in bufmgr_fake since we need it for non-drm 2d. Sigh.
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In the process, work around the glaring bugs of the kernel irq wait function.
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dri_bufmgr.h is replaced by intel_bufmgr.h, and several functions are renamed,
though the structures and many functions remain dri_bufmgr_* and dri_bo_*
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This patch allows you to --enable-udev, and will avoid having libdrm
make device nodes. If you are using udev, you should really --enable-udev
your libdrm.
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This resolves and issue on amd64 FreeBSD and it looks like the
linux ioctl syscall should be unsigned long as well.
Signed-off-by: Robert Noland <rnoland@2hip.net>
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Store the global name in global_name, don't overwrite the gem_handle.
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While the bufmgr isn't thread-safe at the moment, we need it to be for shared
objects between contexts.
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another name
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I915_GEM_DOMAIN_CPU is very expensive to wait for -- it generally requires
clflushing the frame buffer.
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When a software fallback has completed, usermode must notify the kernel so
that any scanout buffers can be synchronized. This ioctl should be called
whenever a fallback completes to flush CPU and chipset caches.
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Receiving a signal should be ignored by the library, so just restart any
ioctl which returns EINTR or EAGAIN.
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Thanks to Thomas Hellstrom for catching the issue, no thanks to the kernel
developer who authoritatively told me that they would get restarted on their
own.
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This reduces the diff from Mesa and reduces the illegibility of what I did.
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This is the create (may want location flags), pread/pwrite/mmap
(performance tuning hints), and set_domain (will 32 bits be enough for
everyone?) ioctls. Left in the generic set are just flink/open/close.
The 2D driver must be updated for this change, and API but not ABI is broken
for 3D. The driver version is bumped to mark this.
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Place the buffer reuse links right into the dri_bo_gem object.
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The code was discarding the dri_bo_gem structure and saving only the kernel
handle. This lost the mmap address, causing pain when the next buffer user
wanted to map the buffer.
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This will be used by the X Server for VT switch.
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DragonFly behaves just like FreeBSD in this regard.
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taken from modesetting branch but could be useful outside it.
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This broke the results when you're trying to check if a buffer you dispatched
some time ago is done being rendered from.
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Flags pending validation were stored in a misleadingly named field, 'mask'.
As 'mask' is already used to indicate pieces of a flags field which are
changing, it seems better to use a name reflecting the actual purpose of
this field. I chose 'proposed_flags' as they may not actually end up in
'flags', and in an case will be modified when they are moved over.
This affects the API, but not ABI of the user-mode interface.
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Time out properly in the presence of signals.
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Set bo init minor to 0.
Add the version function to header.
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Implement a version check IOCTL for drivers that don't use
drmMMInit from user-space.
Remove the minor check from the kernel code. That's really up
to the driver.
Bump major.
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Add interface entry cleaning a memory type without touching NO_EVICT buffers.
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Fix i915 since last commit.
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associated with a particular command submission.
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Remove need for lock for now.
May create races when we clean memory areas or on takedown.
Needs to be fixed.
Really do a validate on buffer creation in order to avoid problems with
fixed memory buffers.
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set pinning."
This reverts cf2d569daca6954d11a796f4d110148ae2e0c827 commit.
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We now always create a drm_ref_object for user objects and this is then the only
things that holds a reference to the user object. This way unreference on will
destroy the user object when the last drm_ref_object goes way.
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The buffer object type is still tracked internally, but it is no longer
part of the user space visible ioctl interface. If the bo create ioctl
specifies a non-NULL buffer address we assume drm_bo_type_user,
otherwise drm_bo_type_dc. Kernel side allocations call
drm_buffer_object_create() directly and can still specify drm_bo_type_kernel.
Not 100% this makes sense either, but with this patch, the buffer type
is no longer exported and we can clean up the internals later on.
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