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Signed-off-by: Kristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>
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Softpin allows userspace to take greater control of GPU virtual address
space and eliminates the need of relocations. It can also be used to
mirror addresses between GPU and CPU (shared virtual memory).
Calls to drm_intel_bo_emit_reloc are still required to build the list of
drm_i915_gem_exec_objects at exec time, but no entries in relocs are
created. Self-relocs don't make any sense for softpinned objects and can
indicate a programming errors, thus are forbidden. Softpinned objects
are marked by asterisk in debug dumps.
Cc: Thomas Daniel <thomas.daniel@intel.com>
Cc: Kristian Høgsberg <krh@bitplanet.net>
Cc: Zou Nanhai <nanhai.zou@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Kristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>
Signed-off-by: Kristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>
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Gen8+ supports 48-bit virtual addresses, but some objects must always be
allocated inside the 32-bit address range.
In specific, any resource used with flat/heapless (0x00000000-0xfffff000)
General State Heap (GSH) or Instruction State Heap (ISH) must be in a
32-bit range, because the General State Offset and Instruction State Offset
are limited to 32-bits.
The i915 driver has been modified to provide a flag to set when the 4GB
limit is not necessary in a given bo (EXEC_OBJECT_SUPPORTS_48B_ADDRESS).
48-bit range will only be used when explicitly requested.
Callers to the existing drm_intel_bo_emit_reloc function should set the
use_48b_address_range flag beforehand, in order to use full ppgtt range.
v2: Make set/clear functions nops on pre-gen8 platforms, and use them
internally in emit_reloc functions (Ben)
s/48BADDRESS/48B_ADDRESS/ (Dave)
v3: Keep set/clear functions internal, no-one needs to use them directly.
v4: Don't set 48bit-support flag in emit reloc, check for ppgtt type
before enabling set/clear function, print full offsets in debug
statements, using port of lower_32_bits and upper_32_bits from linux
kernel (Michał)
References: http://lists.freedesktop.org/archives/intel-gfx/2015-July/072612.html
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Kristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>
Signed-off-by: Kristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>
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It defines the prototype of ffs that fixes the building error
on Android 6.0 64-bit image.
Signed-off-by: Chih-Wei Huang <cwhuang@linux.org.tw>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
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This removes ones which aren't used, and adds some new ones. I kept the original
names where possible.
Cc: Kristian Høgsberg <krh@bitplanet.net>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
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Cc: Kristian Høgsberg <krh@bitplanet.net>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
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We're about to remove the -Wno flag from configure.ac which will lead
to a lot of unnecessary spam.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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...to minimise misuse of bo_gem.
If the variable is declared at the top of the function and then used
for two (or more) different contexts this can cause confusion and errors.
Just introduce a wrapper, which can be used in a once off situations.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by Chris Wilson <chris@chris-wilson.co.uk>
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Just like we do for the original exec()
v2: move bo_gem declaration to the top of the function.
Cc: intel-gfx@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by Chris Wilson <chris@chris-wilson.co.uk>
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v2: keep the bo_gem declaration in exec2() within the loop (Chris)
Cc: intel-gfx@lists.freedesktop.org
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by Chris Wilson <chris@chris-wilson.co.uk>
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It is possible to hit a race condition in create_from_prime, when trying
to import a BO that's currently being freed. In case of prime sharing
we'll succesfully get a handle, but fail on get_tiling call, potentially
confusing the caller (and requiring different locking scheme than with
sharing using flink). Wrap fd_to_handle with struct_mutex to force
a more consistent behaviour between prime/flink, convert fprintf to DBG
when handling errors.
(From Chris:
The race is that the kernel returns us the same file-private handle as
the first thread, but that first thread is about to call gem_close
(thereby removing the handle from the file completely) and does so
between us acquiring the handle and taking the mutex. If we take
the mutex, then we acquire the refcnt on the bo prior to the first
thread completing its unref (and so preventing the early close). Or we
acquire the handle after the earlier close, in which case we are the new
owner.
)
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Testcase: igt/drm_import_export/import-close-race-prime
Signed-off-by: Rafał Sapała <rafal.a.sapala@intel.com>
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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We need this include in porting changes for the OpenGL ES
conformance suite.
v2: remove c_plusplus usage
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
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We now have a separate tool for this in intel-gpu-tools and we don't
need to clutter up libdrm with this feature. We leave the entry points
in there to avoid breaking API/ABI.
Install intel-gpu-tools, then run (for example)
$ intel_aubdump --output=trace.aub glxgears -geometry 500x500
See the intel_aubdump man page for more details.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Kristian Høgsberg Kristensen <kristian.h.kristensen@intel.com>
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Follow the approach used through the rest of the project.
Suggested-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
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Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
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drm_intel_gem_bo_alloc_internal()
In case of YF/YS tiled buffers libdrm need not know about the tiling
format because these buffers don't have hardware support to be tiled
or detiled through a fenced region. But, libdrm still need to know
about buffer alignment restrictions because kernel uses it when
resolving the relocation.
Mesa uses drm_intel_gem_bo_alloc_for_render() to allocate Yf/Ys buffers.
So, use the passed alignment value in this function to initialize the
align variable in drm_intel_bo. Note that we continue ignoring the
alignment value passed to drm_intel_gem_bo_alloc() to follow the
previous behavior.
V2: Add a condition to avoid allocation from cache. (Ben)
V3: Make no changes in cache allocation strategy. Just update the alignment.
Update the aperture size estimate including the alignment. (Ben, Chris)
V4: Move aperture size adjustments inside drm_intel_bo_gem_set_in_aperture_size()
Don't split sentences across the one-line header and the changelog. (Chris)
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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In order to use userptr, the kernel tracks the owner's mm with a
mmu_notifier. Setting that is very expensive - it involves taking all
mm_locks and a stop_machine(). This tracking lives only for as long as
the client is using userptr objects - so if the client allocates then
frees a userptr in a loop, we will be executing that heavyweight setup
everytime. To ammoritize this cost, just leak the test bo and the single
backing page we use for detecting userptr.
v2: Free the object and memory when bufmgr is destroyed.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Required by intel and drmstat at least. Considering that every compiler
used to build libdrm is C99 compatible, just enable it for the whole
build.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Some compilers (like the Oracle Studio), require that the function
declaration must be annotated with the same visibility attribute as the
definition. As annotating functions with drm_public is no longer
required just remove the macro.
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Michel Dänzer <michel.daenzer@amd.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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With earlier commits we've annotated the private symbols, thus
we no longer require the -fvisibility=hidden CFLAGS.
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Michel Dänzer <michel.daenzer@amd.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Provide a more meaningful name, considering what it does.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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They are less and easier to track than the public ones. The macro
drm_public will be going away by the end of the series.
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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The function was never part of the public API and a release or so back
was hidden from the global name-space (list of exported symbols).
According to git log this function was never used internally.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Added with commit 57b4c4c32d3(Move the renaming of mm.c symbols to
symbol duplication/collision with ones that are available elsewhere.
As the public/private symbols of libdrm are properly annotated neither
one of the symbols will end up in the global name-space, thus should no
longer be required.
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Running __mmu_notifier_register() is surprisingly expensive, so let's
not do that unless we have to.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
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Both android-x86 and android-ia versions of libpciacccess correctly
"export" the include. If anyone else is wrapping up their own version
they should do so as well.
Remove this fixed location hack from the build.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Chih-Wei Huang <cwhuang@linux.org.tw>
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Already handled by the build system.
v2: s/compiler/build system/
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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With earlier changes we've implicitly add the relevant directories
to the includes list, via LOCAL_EXPORT_C_INCLUDES_DIRS.
v2: Update the top Android.mk as well.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Already handled by the build system.
v2: s/compiler/build system/. Spotted by Chih-Wei.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Each of the libdrm_${hw} modules pull libdrm for linking as such:
libdrm's LOCAL_EXPORT_C_INCLUDE_DIRS are added to the includes list.
The former of which is already set to ${top} and ${top}/include/drm.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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- Don't add ${hw}/${hw}, but ${hw} to the includes path. The former
does not exist.
- Set the variable for libkms.
Inspired by the work of from Chih-Wei from the Android-x86 project.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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Update kernel interface with new I915_GETPARAM ioctl entries for
subslice total and EU total. Add a wrapping function for each
parameter. Userspace drivers need these values when constructing
GPGPU commands. This kernel query method is intended to replace
the PCI ID-based tables that userspace drivers currently maintain.
The kernel driver can employ fuse register reads as needed to
ensure the most accurate determination of GT config attributes.
This first became important with Cherryview in which the config
could differ between devices with the same PCI ID.
The kernel detection of these values is device-specific. Userspace
drivers should continue to maintain ID-based tables for older
devices which return ENODEV when using this query.
v2: remove unnecessary include of <stdbool.h> and increment the
I915_GETPARAM indices to match updated kernel patch.
For: VIZ-4636
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Jeff McGee <jeff.mcgee@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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This reverts commit 080b4929b7452dc1fea32ac1d32e7e571e7fb38b.
Chris noticed that "negative values wait forever" is indeed intended
behaviour and the issue is just that we didn't have a testcase (fixed
now) and that a regression slipped through (fixed and on track for all
stable kernels).
So lets undo the documentation change for consistency, since working
around kernel regressions isn't good. Practical impact is nil anyway.
v2: Add a note to docs that some kernels have been broken.
v3: Remove the random garbage included by accident.
Cc: Kristian Høgsberg <krh@bitplanet.net>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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The kernel doesn't actually wait indefinately when passed a negative,
timeout, it returns immediately. Document this and suggest using INT64_MAX
for indefinite waits.
Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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v2: Fold libpciaccess and libdrm into a single local_shared_libraries
Acked-by: Jan Vesely <jan.vesely@rutgers.edu>
Signed-off-by: Chih-Wei Huang <cwhuang@linux.org.tw>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
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We really have to do this to avoid surprises when extending the ABI
later on. Especially when growing the structures.
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Signed-off-by: Thomas Klausner <wiz@NetBSD.org>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@ubuntu.com>
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On recent emulator GTT entry setup for aub dump needs mem type as
GTT_ENTRY instead of NONLOCAL. NONLOCAL would write data in main
memory space which is wrong with new memory layout. GTT_ENTRY write
would setup GTT memory pool and other required internal buffers. With
this I can run aub dump on latest release without crash.
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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drm_intel_gem_bo_free() crashes because the list bo_gem->vma_list is not
yet initialised, but the error path tries to free it.
See also https://bugs.freedesktop.org/show_bug.cgi?id=75844
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
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v2: Add more PCI IDs (Michael H. Nguyen)
v3: Synchronize one more with the kernel PCI IDs (Damien)
Reviewed-by: Thomas Wood <thomas.wood@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Ben Widawsky <benjamin.widawsky@intel.com>
Signed-off-by: Michael H. Nguyen <michael.h.nguyen@intel.com>
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Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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Autotools is already smart enough to pick the *.pc.in files but it
needs some help with the Android.mk ones.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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When handling the error on GEM_CLOSE, we weren't freeing the allocated
page. Plug that.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
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