Commit Graph

196 Commits

Author SHA1 Message Date
Kent Russell
8eabaf54cf drm/amdkfd: Clean up KFD style errors and warnings v2
Using checkpatch.pl -f <file> showed a number of style issues. This
patch addresses as many of them as possible. Some long lines have been
left for readability, but attempts to minimize them have been made.

v2: Broke long lines in gfx_v7 get_fw_version

Signed-off-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-08-15 23:00:04 -04:00
Felix Kuehling
86194cf8cf drm/amdkfd: Fix allocated_queues bitmap initialization
Use shared_resources.queue_bitmap to determine the queues available
for KFD in each pipe.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-08-15 23:00:02 -04:00
Felix Kuehling
c76cf86966 drm/amdkfd: Remove bogus divide-by-sizeof(uint32_t)
kfd2kgd->address_watch_get_offset returns dword register offsets.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-08-15 23:00:01 -04:00
Felix Kuehling
3f4f46f624 drm/amdkfd: Fix typo in dbgdev_wave_reset_wavefronts
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-08-15 22:59:59 -04:00
Dave Airlie
dd24df6570 Merge branch 'drm-next-4.14' of git://people.freedesktop.org/~agd5f/linux into drm-next
- Stop reprogramming the MC, the vbios already does this in asic_init
- Reduce internal gart to 256M (this does not affect the ttm GTT pool size)
- Initial support for huge pages
- Rework bo migration logic
- Lots of improvements for vega10
- Powerplay fixes
- Additional Raven enablement
- SR-IOV improvements
- Bug fixes
- Code cleanup

* 'drm-next-4.14' of git://people.freedesktop.org/~agd5f/linux: (138 commits)
  drm/amdgpu: fix header on gfx9 clear state
  drm/amdgpu: reduce the time of reading VBIOS
  drm/amdgpu/virtual_dce: Remove the rmmod error message
  drm/amdgpu/gmc9: disable legacy vga features in gmc init
  drm/amdgpu/gmc8: disable legacy vga features in gmc init
  drm/amdgpu/gmc7: disable legacy vga features in gmc init
  drm/amdgpu/gmc6: disable legacy vga features in gmc init (v2)
  drm/radeon: Set depth on low mem to 16 bpp instead of 8 bpp
  drm/amdgpu: fix the incorrect scratch reg number on gfx v6
  drm/amdgpu: fix the incorrect scratch reg number on gfx v7
  drm/amdgpu: fix the incorrect scratch reg number on gfx v8
  drm/amdgpu: fix the incorrect scratch reg number on gfx v9
  drm/amd/powerplay: add support for 3DP 4K@120Hz on vega10.
  drm/amdgpu: enable huge page handling in the VM v5
  drm/amdgpu: increase fragmentation size for Vega10 v2
  drm/amdgpu: ttm_bind only when user needs gpu_addr in bo pin
  drm/amdgpu: correct clock info for SRIOV
  drm/amdgpu/gmc8: SRIOV need to program fb location
  drm/amdgpu: disable firmware loading for psp v10
  drm/amdgpu:fix gfx fence allocate size
  ...
2017-08-02 12:43:12 +10:00
Dan Carpenter
1d11ee8986 drm/amdgpu: Off by one sanity checks
This is just future proofing code, not something that can be triggered
in real life.  We're testing to make sure we don't shift wrap when we
do "1ull << i" so "i" has to be in the 0-63 range.  If it's 64 then we
have gone too far.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-07-14 11:06:40 -04:00
Jay Cornwall
13c4a2c78e drm/amdkfd: Remove unused references to shared_resources.num_mec
Dead code.

Change-Id: Ic0bb1bcca87e96bc5e8fa9894727b0de152e8818
Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-07-13 20:21:54 -05:00
Geert Uytterhoeven
7a10d63f02 drm/amdkfd: Spelling s/apreture/aperture/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-06-01 12:28:38 +02:00
Dan Carpenter
b312b2b25b drm/amdkfd: NULL dereference involving create_process()
We accidentally return ERR_PTR(0) which is NULL.  The caller is not
expecting that and it leads to an Oops.

Fixes: dd59239a98 ("amdkfd: init aperture once per process")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-06-14 13:58:53 +03:00
Dave Airlie
04d4fb5fa6 Merge branch 'drm-next-4.13' of git://people.freedesktop.org/~agd5f/linux into drm-next
New radeon and amdgpu features for 4.13:
- Lots of Vega10 bug fixes
- Preliminary Raven support
- KIQ support for compute rings
- MEC queue management rework from Andres
- Audio support for DCE6
- SR-IOV improvements
- Improved module parameters for controlling radeon vs amdgpu support
  for SI and CIK
- Bug fixes
- General code cleanups

[airlied: dropped drmP.h header from one file was needed and build broke]

* 'drm-next-4.13' of git://people.freedesktop.org/~agd5f/linux: (362 commits)
  drm/amdgpu: Fix compiler warnings
  drm/amdgpu: vm_update_ptes remove code duplication
  drm/amd/amdgpu: Port VCN over to new SOC15 macros
  drm/amd/amdgpu: Port PSP v10.0 over to new SOC15 macros
  drm/amd/amdgpu: Port PSP v3.1 over to new SOC15 macros
  drm/amd/amdgpu: Port NBIO v7.0 driver over to new SOC15 macros
  drm/amd/amdgpu: Port NBIO v6.1 driver over to new SOC15 macros
  drm/amd/amdgpu: Port UVD 7.0 over to new SOC15 macros
  drm/amd/amdgpu: Port MMHUB over to new SOC15 macros
  drm/amd/amdgpu: Cleanup gfxhub read-modify-write patterns
  drm/amd/amdgpu: Port GFXHUB over to new SOC15 macros
  drm/amd/amdgpu: Add offset variant to SOC15 macros
  drm/amd/powerplay: add avfs control for Vega10
  drm/amdgpu: add virtual display support for raven
  drm/amdgpu/gfx9: fix compute ring doorbell index
  drm/amd/amdgpu: Rename KIQ ring to avoid spaces
  drm/amd/amdgpu: gfx9 tidy ups (v2)
  drm/amdgpu: add contiguous flag in ucode bo create
  drm/amdgpu: fix missed gpu info firmware when cache firmware during S3
  drm/amdgpu: export test ib debugfs interface
  ...
2017-06-16 09:56:53 +10:00
Andres Rodriguez
d0b63bb338 drm/amdkfd: allow split HQD on per-queue granularity v5
Update the KGD to KFD interface to allow sharing pipes with queue
granularity instead of pipe granularity.

This allows for more interesting pipe/queue splits.

v2: fix overflow check for res.queue_mask
v3: fix shift overflow when setting res.queue_mask
v4: fix comment in is_pipeline_enabled()
v5: clamp res.queue_mask to the first MEC only

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-31 16:48:54 -04:00
Andres Rodriguez
42794b27cc drm/amdgpu: take ownership of per-pipe configuration v3
Make amdgpu the owner of all per-pipe state of the HQDs.

This change will allow us to split the queues between kfd and amdgpu
with a queue granularity instead of pipe granularity.

This patch fixes kfd allocating an HDP_EOP region for its 3 pipes which
goes unused.

v2: support for gfx9
v3: fix gfx7 HPD intitialization

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-31 16:48:52 -04:00
Masahiro Yamada
248a1d6f1a drm/amd: fix include notation and remove -Iinclude/drm flag
Include <drm/*.h> instead of relative path from include/drm, then
remove the -Iinclude/drm compiler flag.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1493009447-31524-4-git-send-email-yamada.masahiro@socionext.com
2017-05-16 17:17:41 +02:00
Ingo Molnar
589ee62844 sched/headers: Prepare to remove the <linux/mm_types.h> dependency from <linux/sched.h>
Update code that relied on sched.h including various MM types for them.

This will allow us to remove the <linux/mm_types.h> include from <linux/sched.h>.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:37 +01:00
Ingo Molnar
3f07c01441 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>
We are going to split <linux/sched/signal.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/signal.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:29 +01:00
Ingo Molnar
6e84f31522 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/mm.h>
We are going to split <linux/sched/mm.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/mm.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

The APIs that are going to be moved first are:

   mm_alloc()
   __mmdrop()
   mmdrop()
   mmdrop_async_fn()
   mmdrop_async()
   mmget_not_zero()
   mmput()
   mmput_async()
   get_task_mm()
   mm_access()
   mm_release()

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:28 +01:00
Vegard Nossum
f1f1007644 mm: add new mmgrab() helper
Apart from adding the helper function itself, the rest of the kernel is
converted mechanically using:

  git grep -l 'atomic_inc.*mm_count' | xargs sed -i 's/atomic_inc(&\(.*\)->mm_count);/mmgrab\(\1\);/'
  git grep -l 'atomic_inc.*mm_count' | xargs sed -i 's/atomic_inc(&\(.*\)\.mm_count);/mmgrab\(\&\1\);/'

This is needed for a later patch that hooks into the helper, but might
be a worthwhile cleanup on its own.

(Michal Hocko provided most of the kerneldoc comment.)

Link: http://lkml.kernel.org/r/20161218123229.22952-1-vegard.nossum@oracle.com
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-27 18:43:48 -08:00
Pan Bian
8bf793883d drm/amdkfd: fix improper return value on error
In function kfd_wait_on_events(), when the call to copy_from_user()
fails, the value of return variable ret is 0. 0 indicates success, which
is inconsistent with the execution status. This patch fixes the bug by
assigning "-EFAULT" to ret when copy_from_user() returns an unexpected
value.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-01-16 17:34:47 +02:00
Colin Ian King
a7522cd938 amdkfd: fix spelling mistake in kfd_ioctl_dbg_unrgesiter
Trivial fix to spelling mistake, rename kfd_ioctl_dbg_unrgesiter
to kfd_ioctl_dbg_unregister

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2017-01-12 09:53:03 +02:00
Dave Airlie
ca09fb9f60 Linux 4.8-rc8
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Merge tag 'v4.8-rc8' into drm-next

Linux 4.8-rc8

There was a lot of fallout in the imx/amdgpu/i915 drivers, so backmerge
it now to avoid troubles.

* tag 'v4.8-rc8': (1442 commits)
  Linux 4.8-rc8
  fault_in_multipages_readable() throws set-but-unused error
  mm: check VMA flags to avoid invalid PROT_NONE NUMA balancing
  radix tree: fix sibling entry handling in radix_tree_descend()
  radix tree test suite: Test radix_tree_replace_slot() for multiorder entries
  fix memory leaks in tracing_buffers_splice_read()
  tracing: Move mutex to protect against resetting of seq data
  MIPS: Fix delay slot emulation count in debugfs
  MIPS: SMP: Fix possibility of deadlock when bringing CPUs online
  mm: delete unnecessary and unsafe init_tlb_ubc()
  huge tmpfs: fix Committed_AS leak
  shmem: fix tmpfs to handle the huge= option properly
  blk-mq: skip unmapped queues in blk_mq_alloc_request_hctx
  MIPS: Fix pre-r6 emulation FPU initialisation
  arm64: kgdb: handle read-only text / modules
  arm64: Call numa_store_cpu_info() earlier.
  locking/hung_task: Fix typo in CONFIG_DETECT_HUNG_TASK help text
  nvme-rdma: only clear queue flags after successful connect
  i2c: qup: skip qup_i2c_suspend if the device is already runtime suspended
  perf/core: Limit matching exclusive events to one PMU
  ...
2016-09-28 12:08:49 +10:00
Edward O'Callaghan
e88a614c40 drm/amdkfd: Pass 'struct queue_propertices' by reference
Allow init_queue() to take 'struct queue_properties' by reference.

Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-09-19 20:58:35 +03:00
Edward O'Callaghan
6f4d92a127 drm/amdkfd: Unify multiple calls to pr_debug() into one
Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-09-19 20:58:35 +03:00
Edward O'Callaghan
ad16a469ff drm/amdkfd: Reuse function to find a process through pasid
The kfd_lookup_process_by_pasid() is just for that purpose,
so use it instead of repeating the code.

v2: return on the condition (p == NULL) instead of BUG_ON(!p).

Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-09-19 20:58:35 +03:00
Edward O'Callaghan
78b13f7964 drm/amdkfd: Add some missing memset zero'ing in queue init func
Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-09-19 20:58:35 +03:00
Edward O'Callaghan
585f0e6c53 drm/amdkfd: Tidy up kfd_generate_gpu_id() uint64_t bitshift unpack
Dereference the one time and unpack the lower and upper 32bit
portions with the proper kernel helper macros.

Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-09-19 20:58:35 +03:00
Colin Ian King
6dae61627d drm/amdkfd: print doorbell offset as a hex value
The doorbell offset is formatted with a 0x prefix to suggest it is
a hexadecimal value, when in fact %d is being used and this is confusing.
Use %X instead to match the proceeding 0x prefix.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-08-09 10:02:02 +03:00
Oded Gabbay
7fd5e03ca6 drm/amdkfd: destroy mutex if process creation fails
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-07-03 08:05:45 +03:00
Bhaktipriya Shridhar
fd320bf692 drm/amdkfd: Remove create_workqueue()
alloc_workqueue replaces deprecated create_workqueue().

create_workqueue has been replaced with alloc_workqueue with max_active
as 0 since there is no need for throttling the number of active work items.

WQ_MEM_RECLAIM has not been set to because kfd_process_wq will not be
used in memory reclaim path.

kfd_process_wq is used for delay destruction. A work item embedded in
kfd_process gets queued to kfd_process_wq and when it executes it
destroys and frees the containing kfd_process and thus itself.

This requires a dedicated workqueue because a work item once queued, may
get freed at any point of time and any external entity cannot
flush the work item. So, in order to wait for such a work item,
it needs to be put on a dedicated workqueue.

kfd_module_exit() calls kfd_process_destroy_wq which ensures that all
pending work items are finished before the module is removed.

flush_workqueue is unnecessary since destroy_workqueue() itself calls
drain_workqueue() which flushes repeatedly till the workqueue
becomes empty.

Hence flush_workqueue has been removed.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-07-03 08:05:45 +03:00
Dave Airlie
542d972221 Linux 4.7-rc5
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Back-merge tag 'v4.7-rc5' into drm-next

Linux 4.7-rc5

The fsl-dcu pull needs -rc3 so go to -rc5 for now.
2016-07-02 15:56:01 +10:00
Daniel Vetter
a104299b94 drm/amdkfd: Clean up inline handling
- inline functions need to be static inline, otherwise gcc can opt to
  not inline and the linker gets unhappy.
- no forward decls for inline functions, just include the right headers.

Cc: Oded Gabbay <oded.gabbay@gmail.com>
Cc: Ben Goz <ben.goz@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1466500235-21282-2-git-send-email-daniel.vetter@ffwll.ch
2016-06-21 21:32:52 +02:00
Oded Gabbay
0fbbbf8b59 drm/amdkfd: print once about mem_banks truncation
This print can really spam the kernel log in case we are truncating
mem_banks, so just print this info once. It should also not be classified
as warning.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-06-03 08:50:40 +03:00
Oded Gabbay
bc4755a4bd drm/amdkfd: destroy dbgmgr in notifier release
amdkfd need to destroy the debug manager in case amdkfd's notifier
function is called before the unbind function, because in that case,
the unbind function will exit without destroying debug manager.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
CC: Stable <stable@vger.kernel.org>
2016-06-03 08:50:40 +03:00
Oded Gabbay
121b78e679 drm/amdkfd: unbind only existing processes
When unbinding a process from a device (initiated by amd_iommu_v2), the
driver needs to make sure that process still exists in the process table.
There is a possibility that amdkfd's own notifier handler -
kfd_process_notifier_release() - was called before the unbind function
and it already removed the process from the process table.

v2:
Because there can be only one process with the specified pasid, and
because *p can't be NULL inside the hash_for_each_rcu macro, it is more
reasonable to just put the whole code inside the if statement that
compares the pasid value. That way, when we exit hash_for_each_rcu, we
simply exit the function as well.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
CC: Stable <stable@vger.kernel.org>
2016-06-03 08:50:40 +03:00
Edward O'Callaghan
eb026024c2 amdkfd: Trim unnescessary intermediate err var in kfd_chardev.c
Found-By: Coccinelle
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-05-01 00:06:29 +10:00
Edward O'Callaghan
371d5b653f amdkfd: Trim off unnescessary semicolon from kfd_packet_manager.c
Found-By: Coccinelle
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-05-01 00:06:28 +10:00
Edward O'Callaghan
991ca8eee2 amdkfd: Use the canonical form in branch predicates
Found-By: Coccinelle
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-05-01 00:06:27 +10:00
Andy Lutomirski
10f1685fd5 drivers/gpu/drm/amd/amdkfd: use in_compat_syscall to check open() caller type
amdkfd wants to know syscall type, not task type.  Check directly.

Unfortunately, amdkfd is making nasty assumptions that a process'
bitness is a well-defined constant thing.  This isn't the case on x86.
I don't know how much this matters, but this patch has no effect on
generated code on x86, so amdkfd is equally broken with and without this
patch.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Oded Gabbay <oded.gabbay@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-22 15:36:02 -07:00
Dan Carpenter
93fce95442 drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()
At the end of the function we expect "status" to be zero, but it's
either -EINVAL or uninitialized.

Fixes: 788bf83db3 ('drm/amdkfd: Add wave control operation to debugger')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-03-15 14:09:37 +02:00
Oded Gabbay
c68f4528a2 drm/amdkfd: Track when module's init is complete
Current dependencies between amdkfd and radeon/amdgpu force the loading
of amdkfd _before_ radeon and/or amdgpu are loaded. When all these kernel
drivers are built as modules, this ordering is enforced by the kernel
built-in mechanism of loading dependent modules.

However, there is no such mechanism in case where all these drivers are
compiled inside the kernel image (not as modules). The current way to
enforce loading of amdkfd before radeon/amdgpu, is to put amdkfd before
radeon/amdgpu in the drm Makefile, but that method is way too fragile.

In addition, there is no kernel mechanism to check whether a kernel
driver that is built inside the kernel image, has already been loaded.

To solve this, this patch adds to kfd_module.c a new static variable,
amdkfd_init_completed, that is set to 1 only when amdkfd's
module initialization function has been completed (successfully).

kgd2kfd_init(), which is the initialization function of the
kgd-->kfd interface, and which is the first function in amdkfd called by
radeon/amdgpu, will return successfully only if amdkfd_init_completed is
equal 1.

If amdkfd_init_completed is not equal to 1, kgd2kfd_init() will
return -EPROBE_DEFER to signal radeon/amdgpu they need to defer
their loading until amdkfd is loaded.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2016-02-27 22:52:40 +02:00
Amitoj Kaur Chawla
642f0f2a15 drm/amdkfd: Remove unnecessary cast in kfree
Remove an unnecassary cast in the argument to kfree.

Found using Coccinelle. The semantic patch used to find this is as follows:

//<smpl>
@@
type T;
expression *f;
@@

- kfree((T *)(f));
+ kfree(f);
//</smpl>

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2016-01-28 14:40:11 +02:00
Borislav Petkov
39c01bf933 amdkfd: Copy from the proper user command pointer
8f1d57c172 ("amdkfd: don't open-code memdup_user()") mistakenly uses
an uninitialized local pointer, gcc complains:

  drivers/gpu/drm/amd/amdkfd/kfd_chardev.c: In function ‘kfd_ioctl_dbg_address_watch’:
  drivers/gpu/drm/amd/amdkfd/kfd_chardev.c:562:12: warning: ‘args_buff’ may be used uninitialized in this function [-Wmaybe-uninitialized]
    args_buff = memdup_user(args_buff,
                ^

Fix it.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-15 15:14:17 -05:00
Al Viro
8f1d57c172 amdkfd: don't open-code memdup_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-06 08:25:25 -05:00
Christoph Hellwig
2497ee7215 amdkfd: use <linux/mman.h> instead of <uapi/asm-generic/mman-common.h>
The latter is a default version of <asm/mman.h> and not for driver use.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-08-30 12:36:58 +03:00
Oded Gabbay
a63c580a52 drm/amdkfd: fix bug when initializing sdma vm
A logical AND operation was used during mask and shift, instead of a
bitwise AND operation. This patch fixes this bug by changing the
operation to bitwise AND.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-07-30 09:26:15 +03:00
Ben Goz
7639a8c420 drm/amdkfd: Set correct doorbell packet type for Carrizo
Signed-off-by: Ben Goz <ben.goz@amd.com>
Reviewed-by: Yair Shachar <yair.shachar@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20 09:16:49 +03:00
Oded Gabbay
3d30b28be8 drm/amdkfd: Use generic defines in new amd headers
This patch makes use of the new amd headers (that are part of the new
amdgpu driver), instead of private defines.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20 09:16:49 +03:00
Ben Goz
d7b8f73ea0 drm/amdkfd: Implement create_map_queues() for Carrizo
Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20 09:16:49 +03:00
Ben Goz
e1940fa4bf drm/amdkfd: fix runlist length calculation
The MAP_QUEUES packet length for Carrizo is different than for Kaveri.
Therefore, we now need to calculate the runlist length with regard to the
underlying H/W.

Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20 09:16:49 +03:00
Ben Goz
914bea6329 drm/amdkfd: Add support for VI in DQM
This patch adds support for the VI APU in the DQM module.

Most of the functionality of DQM is shared between CI and VI. Therefore,
only a handful of functions are required to be in the
H/W-specific part of DQM.

Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20 09:16:48 +03:00
Ben Goz
d696d536f0 drm/amdkfd: add support for VI in MQD manager
This patch implements all the VI MQD manager functions.
This is done in a different file as the MQD format is different
between CI and VI

Signed-off-by: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
2015-07-20 09:16:48 +03:00