Commit graph

767,505 commits

Author SHA1 Message Date
Dave Airlie
02e546eacc Merge branch 'linux-4.18' of git://github.com/skeggsb/linux into drm-fixes
- fix problem with pascal and large memory systems
- fix a bunch of MST problems
- fix a runtime PM interaction with MST

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv79O8deSts2fxJ_oS6=q8yA+OgwBSEpp5R=BQBmWa+oyg@mail.gmail.com
2018-07-20 10:27:53 +10:00
Dave Airlie
b83ce39b92 Merge branch 'drm-fixes-4.18' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Fixes for 4.18.  The ACP patch is a bit bigger than I would like
at this point, but it should have gone in long ago, it just fell
through the cracks.  The others are pretty small and straight-forward.
- ACP fix for boards with 2 I2S instances
- DP fix for CZ, vega
- Fix for a hybrid graphics laptop
- Fix a resume regression

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180718162603.2747-1-alexander.deucher@amd.com
2018-07-20 10:23:44 +10:00
Ben Skeggs
2f958e8240 drm/nouveau/fb/gp100-: disable address remapper
This was causing problems on a system with a large amount of RAM, where
display push buffers were being fetched incorrectly when placed in high
system memory addresses.

While this commit will resolve the issue on that particular system, the
issue will be avoided completely with another patch to more fully solve
problems with display and large amounts of system memory on Pascal.

It's still probably a good idea to disable this to prevent weird issues
in the future.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-19 14:36:51 +10:00
Vijendar Mukunda
2d95ceb454 drm/amd/amdgpu: creating two I2S instances for stoney/cz (v2)
Creating two I2S instances for Stoney/cz platforms.

v2: squash in:
"drm/amdgpu/acp: Fix slab-out-of-bounds in mfd_add_device in acp_hw_init"
From Daniel Kurtz <djkurtz@chromium.org>.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-07-18 09:03:07 -05:00
Alex Deucher
b3fc2ab37e drm/amdgpu: add another ATPX quirk for TOPAZ
Needs ATPX rather than _PR3.

Bug: https://bugzilla.kernel.org/show_bug.cgi?id=200517
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-07-18 08:48:22 -05:00
Hersen Wu
263318eea7 drm/amd/display: Fix DP HBR2 Eye Diagram Pattern on Carrizo
[why] dp hbr2 eye diagram pattern for raven asic is not stabled.
workaround is to use tp4 pattern. But this should not be
applied to asic before raven.

[how] add new bool varilable in asic caps. for raven asic,
use the workaround. for carrizo, vega, do not use workaround.

Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-07-17 15:13:09 -05:00
Leo Liu
96a5d8d491 drm/amdgpu: Make sure IB tests flushed after IP resume
Fixes: 2c773de2 (drm/amdgpu: defer test IBs on the rings at boot (V3))

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-07-17 15:12:50 -05:00
Lyude Paul
eb493fbc15 drm/nouveau: Set DRIVER_ATOMIC cap earlier to fix debugfs
Currently nouveau doesn't actually expose the state debugfs file that's
usually provided for any modesetting driver that supports atomic, even
if nouveau is loaded with atomic=1. This is due to the fact that the
standard debugfs files that DRM creates for atomic drivers is called
when drm_get_pci_dev() is called from nouveau_drm.c. This happens well
before we've initialized the display core, which is currently
responsible for setting the DRIVER_ATOMIC cap.

So, move the atomic option into nouveau_drm.c and just add the
DRIVER_ATOMIC cap whenever it's enabled on the kernel commandline. This
shouldn't cause any actual issues, as the atomic ioctl will still fail
as expected even if the display core doesn't disable it until later in
the init sequence. This also provides the added benefit of being able to
use the state debugfs file to check the current display state even if
clients aren't allowed to modify it through anything other than the
legacy ioctls.

Additionally, disable the DRIVER_ATOMIC cap in nv04's display core, as
this was already disabled there previously.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-16 17:59:59 +10:00
Lyude Paul
68fe23a626 drm/nouveau: Remove bogus crtc check in pmops_runtime_idle
This both uses the legacy modesetting structures in a racy manner, and
additionally also doesn't even check the right variable (enabled != the
CRTC is actually turned on for atomic).

This fixes issues on my P50 regarding the dedicated GPU not entering
runtime suspend.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-16 17:59:59 +10:00
Lyude Paul
e5d54f1935 drm/nouveau/drm/nouveau: Fix runtime PM leak in nv50_disp_atomic_commit()
A CRTC being enabled doesn't mean it's on! It doesn't even necessarily
mean it's being used. This fixes runtime PM leaks on the P50 I've got
next to me.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-16 17:59:59 +10:00
Lyude Paul
37afe55b4a drm/nouveau: Avoid looping through fake MST connectors
When MST and atomic were introduced to nouveau, another structure that
could contain a drm_connector embedded within it was introduced; struct
nv50_mstc. This meant that we no longer would be able to simply loop
through our connector list and assume that nouveau_connector() would
return a proper pointer for each connector, since the assertion that
all connectors coming from nouveau have a full nouveau_connector struct
became invalid.

Unfortunately, none of the actual code that looped through connectors
ever got updated, which means that we've been causing invalid memory
accesses for quite a while now.

An example that was caught by KASAN:

[  201.038698] ==================================================================
[  201.038792] BUG: KASAN: slab-out-of-bounds in nvif_notify_get+0x190/0x1a0 [nouveau]
[  201.038797] Read of size 4 at addr ffff88076738c650 by task kworker/0:3/718
[  201.038800]
[  201.038822] CPU: 0 PID: 718 Comm: kworker/0:3 Tainted: G           O      4.18.0-rc4Lyude-Test+ #1
[  201.038825] Hardware name: LENOVO 20EQS64N0B/20EQS64N0B, BIOS N1EET78W (1.51 ) 05/18/2018
[  201.038882] Workqueue: events nouveau_display_hpd_work [nouveau]
[  201.038887] Call Trace:
[  201.038894]  dump_stack+0xa4/0xfd
[  201.038900]  print_address_description+0x71/0x239
[  201.038929]  ? nvif_notify_get+0x190/0x1a0 [nouveau]
[  201.038935]  kasan_report.cold.6+0x242/0x2fe
[  201.038942]  __asan_report_load4_noabort+0x19/0x20
[  201.038970]  nvif_notify_get+0x190/0x1a0 [nouveau]
[  201.038998]  ? nvif_notify_put+0x1f0/0x1f0 [nouveau]
[  201.039003]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  201.039049]  nouveau_display_init.cold.12+0x34/0x39 [nouveau]
[  201.039089]  ? nouveau_user_framebuffer_create+0x120/0x120 [nouveau]
[  201.039133]  nouveau_display_resume+0x5c0/0x810 [nouveau]
[  201.039173]  ? nvkm_client_ioctl+0x20/0x20 [nouveau]
[  201.039215]  nouveau_do_resume+0x19f/0x570 [nouveau]
[  201.039256]  nouveau_pmops_runtime_resume+0xd8/0x2a0 [nouveau]
[  201.039264]  pci_pm_runtime_resume+0x130/0x250
[  201.039269]  ? pci_restore_standard_config+0x70/0x70
[  201.039275]  __rpm_callback+0x1f2/0x5d0
[  201.039279]  ? rpm_resume+0x560/0x18a0
[  201.039283]  ? pci_restore_standard_config+0x70/0x70
[  201.039287]  ? pci_restore_standard_config+0x70/0x70
[  201.039291]  ? pci_restore_standard_config+0x70/0x70
[  201.039296]  rpm_callback+0x175/0x210
[  201.039300]  ? pci_restore_standard_config+0x70/0x70
[  201.039305]  rpm_resume+0xcc3/0x18a0
[  201.039312]  ? rpm_callback+0x210/0x210
[  201.039317]  ? __pm_runtime_resume+0x9e/0x100
[  201.039322]  ? kasan_check_write+0x14/0x20
[  201.039326]  ? do_raw_spin_lock+0xc2/0x1c0
[  201.039333]  __pm_runtime_resume+0xac/0x100
[  201.039374]  nouveau_display_hpd_work+0x67/0x1f0 [nouveau]
[  201.039380]  process_one_work+0x7a0/0x14d0
[  201.039388]  ? cancel_delayed_work_sync+0x20/0x20
[  201.039392]  ? lock_acquire+0x113/0x310
[  201.039398]  ? kasan_check_write+0x14/0x20
[  201.039402]  ? do_raw_spin_lock+0xc2/0x1c0
[  201.039409]  worker_thread+0x86/0xb50
[  201.039418]  kthread+0x2e9/0x3a0
[  201.039422]  ? process_one_work+0x14d0/0x14d0
[  201.039426]  ? kthread_create_worker_on_cpu+0xc0/0xc0
[  201.039431]  ret_from_fork+0x3a/0x50
[  201.039441]
[  201.039444] Allocated by task 79:
[  201.039449]  save_stack+0x43/0xd0
[  201.039452]  kasan_kmalloc+0xc4/0xe0
[  201.039456]  kmem_cache_alloc_trace+0x10a/0x260
[  201.039494]  nv50_mstm_add_connector+0x9a/0x340 [nouveau]
[  201.039504]  drm_dp_add_port+0xff5/0x1fc0 [drm_kms_helper]
[  201.039511]  drm_dp_send_link_address+0x4a7/0x740 [drm_kms_helper]
[  201.039518]  drm_dp_check_and_send_link_address+0x1a7/0x210 [drm_kms_helper]
[  201.039525]  drm_dp_mst_link_probe_work+0x71/0xb0 [drm_kms_helper]
[  201.039529]  process_one_work+0x7a0/0x14d0
[  201.039533]  worker_thread+0x86/0xb50
[  201.039537]  kthread+0x2e9/0x3a0
[  201.039541]  ret_from_fork+0x3a/0x50
[  201.039543]
[  201.039546] Freed by task 0:
[  201.039549] (stack is not available)
[  201.039551]
[  201.039555] The buggy address belongs to the object at ffff88076738c1a8
                                 which belongs to the cache kmalloc-2048 of size 2048
[  201.039559] The buggy address is located 1192 bytes inside of
                                 2048-byte region [ffff88076738c1a8, ffff88076738c9a8)
[  201.039563] The buggy address belongs to the page:
[  201.039567] page:ffffea001d9ce200 count:1 mapcount:0 mapping:ffff88084000d0c0 index:0x0 compound_mapcount: 0
[  201.039573] flags: 0x8000000000008100(slab|head)
[  201.039578] raw: 8000000000008100 ffffea001da3be08 ffffea001da25a08 ffff88084000d0c0
[  201.039582] raw: 0000000000000000 00000000000d000d 00000001ffffffff 0000000000000000
[  201.039585] page dumped because: kasan: bad access detected
[  201.039588]
[  201.039591] Memory state around the buggy address:
[  201.039594]  ffff88076738c500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  201.039598]  ffff88076738c580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  201.039601] >ffff88076738c600: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
[  201.039604]                                                  ^
[  201.039607]  ffff88076738c680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  201.039611]  ffff88076738c700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  201.039613] ==================================================================

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Cc: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-16 17:59:59 +10:00
Lyude Paul
22b76bbe08 drm/nouveau: Use drm_connector_list_iter_* for iterating connectors
Every codepath in nouveau that loops through the connector list
currently does so using the old method, which is prone to race
conditions from MST connectors being created and destroyed. This has
been causing a multitude of problems, including memory corruption from
trying to access connectors that have already been freed!

Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Cc: Karol Herbst <karolherbst@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-16 17:59:59 +10:00
Dan Carpenter
7f073d011f drm/nouveau/gem: off by one bugs in nouveau_gem_pushbuf_reloc_apply()
The bo array has req->nr_buffers elements so the > should be >= so we
don't read beyond the end of the array.

Fixes: a1606a9596 ("drm/nouveau: new gem pushbuf interface, bump to 0.0.16")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2018-07-16 17:59:58 +10:00
Ben Skeggs
df0c97e2c7 drm/nouveau/kms/nv50-: ensure window updates are submitted when flushing mst disables
It was possible for this to be skipped when shutting down MST streams, and
leaving the core channel interlocked with a wndw channel update that never
happens - leading to a hung display.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-By: Lyude Paul <lyude@redhat.com>
2018-07-16 17:59:58 +10:00
Dave Airlie
bf642e3a19 - GVT fix for KBL vGPU hang to update virtual register from LRI.
- Fix hotplug irq ack on i965/g4x (Ville)
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Merge tag 'drm-intel-fixes-2018-07-12' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

I already pulled the first fix, pull the GVT fixes.

- GVT fix for KBL vGPU hang to update virtual register from LRI.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713070922.GA19840@intel.com
2018-07-16 10:32:28 +10:00
Dave Airlie
a929b32537 Merge branch 'drm-armada-fixes' of git://git.armlinux.org.uk/~rmk/linux-arm into drm-fixes
Two armada fixes.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713075427.GA16160@rmk-PC.armlinux.org.uk
2018-07-16 09:57:35 +10:00
Dave Airlie
990187537b Fixes for v4.18-rc5:
- Single fix for a build error when the driver is builtin,
   but the backend is a loadable module.
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Merge tag 'drm-misc-fixes-2018-07-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

Fixes for v4.18-rc5:
- Single fix for a build error when the driver is builtin,
  but the backend is a loadable module.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9c596cf5-3f24-070e-74f2-c59bfbaf68fa@linux.intel.com
2018-07-16 09:51:01 +10:00
Dave Airlie
2757de4c09 drm/tegra: Fixes for v4.18-rc5
This contains a couple of one- or two-line fixes for various minor
 issues in the Tegra driver.
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Merge tag 'drm/tegra/for-4.18-rc5' of git://anongit.freedesktop.org/tegra/linux into drm-fixes

drm/tegra: Fixes for v4.18-rc5

This contains a couple of one- or two-line fixes for various minor
issues in the Tegra driver.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180712070142.15571-1-thierry.reding@gmail.com
2018-07-16 09:49:22 +10:00
Dave Airlie
e280057762 Merge branch 'drm-fixes-4.18' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
A few display and GPUVM fixes for 4.18.

A few more fixes for 4.18. Two display fixes and a fix to avoid a segfault if
the GPU does not power up properly on resume.  These are on top of my pull
from earlier this week.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180712043820.2877-1-alexander.deucher@amd.com
2018-07-16 09:46:21 +10:00
Dave Airlie
f88147e4e1 - Fix hotplug irq ack on i965/g4x (Ville)
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Merge tag 'drm-intel-fixes-2018-07-10' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

- Fix hotplug irq ack on i965/g4x (Ville)

Signed-off-by: Dave Airlie <airlied@redhat.com>

Link: https://patchwork.freedesktop.org/patch/msgid/20180710213249.GA16479@intel.com
2018-07-16 09:43:51 +10:00
Alex Deucher
02ce6ce2e1 drm/amdgpu/pp/smu7: use a local variable for toc indexing
Rather than using the index variable stored in vram.  If
the device fails to come back online after a resume cycle,
reads from vram will return all 1s which will cause a
segfault. Based on a patch from Thomas Martitz <kugel@rockbox.org>.
This avoids the segfault, but we still need to sort out
why the GPU does not come back online after a resume.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=105760
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-07-13 11:42:45 -05:00
David Francis
8d4235f715 amd/dc/dce100: On dce100, set clocks to 0 on suspend
[Why]
When a dce100 asic was suspended, the clocks were not set to 0.
Upon resume, the new clock was compared to the existing clock,
they were found to be the same, and so the clock was not set.
This resulted in a pernicious blackscreen.

[How]
In atomic commit, check to see if there are any active pipes.
If no, set clocks to 0

Signed-off-by: David Francis <David.Francis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-07-12 09:50:05 -05:00
Harry Wentland
d89d01f223 drm/amd/display: Convert 10kHz clks from PPLib into kHz for Vega
The driver is expecting clock frequency in kHz, while SMU returns
the values in 10kHz, which causes the bandwidth validation to fail

4.18 has the faulty clock assignment in pp_to_dc_clock_levels_with_latency
only, which is only used by Vega. Make sure we multiply these values
by 10 here, as we do for other ASICs as powerplay assigned them
wrong. 4.19 has the proper fix in powerplay.

v2: Add Fixes tag
v3: Fixes -> Bugzilla, with simplified link

Bugzilla: https://bugs.freedesktop.org/107082

Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-07-12 09:48:57 -05:00
Rodrigo Vivi
09d2da310d Merge tag 'gvt-fixes-2018-07-11' of https://github.com/intel/gvt-linux into drm-intel-fixes
gvt-fixes-2018-07-11

- Fix KBL virtual register update from LRI for GPU hang (Henry)

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180711024056.GV1267@zhen-hp.sh.intel.com
2018-07-12 00:15:53 -07:00
Andrey Grodzovsky
9d4a0d4cdc drm/amdgpu: Verify root PD is mapped into kernel address space (v4)
Problem: When PD/PT update made by CPU root PD was not yet mapped causing
page fault.

Fix: Verify root PD is mapped into CPU address space.

v2:
Make sure that we add the root PD to the relocated list
since then it's get mapped into CPU address space bt default
in amdgpu_vm_update_directories.

v3:
Drop change to not move kernel type BOs to evicted list.

v4:
Remove redundant bo move to relocated list.

Link: https://bugs.freedesktop.org/show_bug.cgi?id=107065
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-07-10 15:36:22 -05:00
Christian König
0b9021972d drm/amd/display: fix invalid function table override
Otherwise we try to program hardware with the wrong watermark functions
when multiple DCE generations are installed in one system.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-07-10 15:36:21 -05:00
Michel Dänzer
ed6b4b5559 drm/amdgpu: Reserve VM root shared fence slot for command submission (v3)
Without this, there could not be enough slots, which could trigger the
BUG_ON in reservation_object_add_shared_fence.

v2:
* Jump to the error label instead of returning directly (Jerry Zhang)
v3:
* Reserve slots for command submission after VM updates (Christian König)

Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/106418
Reported-by: mikhail.v.gavrilov@gmail.com
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-07-10 15:36:21 -05:00
Alex Deucher
5292221d6d Revert "drm/amd/display: Don't return ddc result and read_bytes in same return value"
This reverts commit 018d82e5f0.

This breaks DDC in certain cases.  Revert for 4.18 and previous kernels.
For 4.19, this is fixed with the following more extensive patches:
drm/amd/display: Serialize is_dp_sink_present
drm/amd/display: Break out function to simply read aux reply
drm/amd/display: Return aux replies directly to DRM
drm/amd/display: Right shift AUX reply value sooner than later
drm/amd/display: Read AUX channel even if only status byte is returned

Link: https://lists.freedesktop.org/archives/amd-gfx/2018-July/023788.html
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2018-07-10 14:35:46 -05:00
Gustavo A. R. Silva
572d8fda26 char: amd64-agp: Use 64-bit arithmetic instead of 32-bit
Cast *tmp* and *nb_base* to u64 in order to give the compiler
complete information about the proper arithmetic to use.

Notice that such variables are used in contexts that expect
expressions of type u64 (64 bits, unsigned) and the following
expressions are currently being evaluated using 32-bit arithmetic:

tmp << 25
nb_base << 25

Addresses-Coverity-ID: 200586 ("Unintentional integer overflow")
Addresses-Coverity-ID: 200587 ("Unintentional integer overflow")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2018-07-10 13:50:31 +10:00
Souptick Joarder
8fb8876b2d char: agp: Change return type to vm_fault_t
Use new return type vm_fault_t for fault handler. For now,
this is just documenting that the function returns a
VM_FAULT value rather than an errno. Once all instances are
converted, vm_fault_t will become a distinct type.

Ref-> commit 1c8f422059 ("mm: change return type to
vm_fault_t") was added in 4.17-rc1 to introduce the new
typedef vm_fault_t. Currently we are making change to all
drivers to return vm_fault_t for page fault handlers. As
part of that char/agp driver is also getting changed to
return vm_fault_t type from fault handler.

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2018-07-10 13:48:11 +10:00
Daniel Vetter
dc81aab1be MAINTAINERS: update drm tree
Mail to dri-devel went out, linux-next was updated, but we forgot this
one here.

Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180706072842.9009-1-daniel.vetter@ffwll.ch
2018-07-10 10:59:58 +10:00
Dave Airlie
fcaca5d8d1 Merge branch 'etnaviv/fixes' of https://git.pengutronix.de/git/lst/linux into drm-fixes
Lucas wrote:
"a couple of small fixes:
- 2 patches from Fabio to fix module reloading
- one patch to fix a userspace visible regression, where the job
timeout is a bit too eager and kills legitimate jobs"

Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1530868450.15725.8.camel@pengutronix.de
2018-07-10 10:45:14 +10:00
Ville Syrjälä
96a85cc517 drm/i915: Fix hotplug irq ack on i965/g4x
Just like with PIPESTAT, the edge triggered IIR on i965/g4x
also causes problems for hotplug interrupts. To make sure
we don't get the IIR port interrupt bit stuck low with the
ISR bit high we must force an edge in ISR. Unfortunately
we can't borrow the PIPESTAT trick and toggle the enable
bits in PORT_HOTPLUG_EN as that act itself generates hotplug
interrupts. Instead we just have to loop until we've cleared
PORT_HOTPLUG_STAT, or we just give up and WARN.

v2: Don't frob with PORT_HOTPLUG_EN

Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180614175625.1615-1-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
(cherry picked from commit 0ba7c51a6f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-07-09 14:36:47 -07:00
Russell King
92298c1cd8 drm/armada: fix irq handling
Add the missing locks to the IRQ enable/disable paths, and fix a comment
in the interrupt handler: reading the ISR clears down the status bits,
but does not reset the interrupt so it can signal again.  That seems to
require a write.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-09 11:32:58 +01:00
Russell King
d378859a66 drm/armada: fix colorkey mode property
The colorkey mode property was not correctly disabling the colorkeying
when "disabled" mode was selected.  Arrange for this to work as one
would expect.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-07-09 11:32:56 +01:00
Mikko Perttunen
5265f0338b drm/tegra: Fix comparison operator for buffer size
Here we are checking for the buffer length, not an offset for writing
to, so using > is correct. The current code incorrectly rejects a
command buffer ending at the memory buffer's end.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-07-09 10:33:45 +02:00
Dmitry Osipenko
ec58923215 gpu: host1x: Check whether size of unpin isn't 0
Only gather pins are mapped by the Host1x driver, regular BO relocations
are not. Check whether size of unpin isn't 0, otherwise IOVA allocation at
0x0 could be erroneously released.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-07-09 10:31:30 +02:00
Dmitry Osipenko
4466b1f0e0 gpu: host1x: Skip IOMMU initialization if firewall is enabled
Host1x's CDMA can't access the command buffers if IOMMU and Host1x
firewall are enabled in the kernels config because firewall doesn't map
the copied buffer into IOVA space. Fix this by skipping IOMMU
initialization if firewall is enabled as firewall merges sparse cmdbufs
into a single contiguous buffer and hence IOMMU isn't needed in this case.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2018-07-09 10:31:10 +02:00
Arnd Bergmann
3156b53c2e
drm/sun4i: link in front-end code if needed
When the base sun4i DRM driver is built-in but the back-end is
a loadable module, we run into a link error:

drivers/gpu/drm/sun4i/sun4i_drv.o: In function `sun4i_drv_probe':
sun4i_drv.c:(.text+0x60c): undefined reference to `sun4i_frontend_of_table'

The dependency is a bit tricky, the best workaround I have come up
with is to use a Makefile hack to to interpret both
CONFIG_DRM_SUN4I_BACKEND=m and CONFIG_DRM_SUN4I_BACKEND=y
as a directive to build the front-end the same way as the main module.

Fixes: dd0421f475 ("drm/sun4i: Add a driver for the display frontend")
Link: https://lore.kernel.org/lkml/20180301091908.zcptz3ezqr2c6ly5@flea/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180706142847.2032381-1-arnd@arndb.de
2018-07-09 09:54:33 +02:00
Linus Torvalds
1e4b044d22 Linux 4.18-rc4 2018-07-08 16:34:02 -07:00
Linus Torvalds
ca04b3cca1 ARM: SoC fixes for 4.18-rc
A small collection of fixes, sort of the usual at this point, all for
 i.MX or OMAP:
  - Enable ULPI drivers on i.MX to avoid a hang
  - Pinctrl fix for touchscreen on i.MX51 ZII RDU1
  - Fixes for ethernet clock references on am3517
  - mmc0 write protect detection fix for am335x
  - kzalloc->kcalloc conversion in an OMAP driver
  - USB metastability fix for USB on dra7
  - Fix touchscreen wakeup on am437x
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A small collection of fixes, sort of the usual at this point, all for
  i.MX or OMAP:

   - Enable ULPI drivers on i.MX to avoid a hang

   - Pinctrl fix for touchscreen on i.MX51 ZII RDU1

   - Fixes for ethernet clock references on am3517

   - mmc0 write protect detection fix for am335x

   - kzalloc->kcalloc conversion in an OMAP driver

   - USB metastability fix for USB on dra7

   - Fix touchscreen wakeup on am437x"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx_v4_v5_defconfig: Select ULPI support
  ARM: imx_v6_v7_defconfig: Select ULPI support
  ARM: dts: omap3: Fix am3517 mdio and emac clock references
  ARM: dts: am335x-bone-common: Fix mmc0 Write Protect
  bus: ti-sysc: Use 2-factor allocator arguments
  ARM: dts: dra7: Disable metastability workaround for USB2
  ARM: dts: imx51-zii-rdu1: fix touchscreen pinctrl
  ARM: dts: am437x: make edt-ft5x06 a wakeup source
2018-07-08 14:12:46 -07:00
Linus Torvalds
23adbe6fb5 Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/pti updates from Thomas Gleixner:
 "Two small fixes correcting the handling of SSB mitigations on AMD
  processors"

* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/bugs: Fix the AMD SSBD usage of the SPEC_CTRL MSR
  x86/bugs: Update when to check for the LS_CFG SSBD mitigation
2018-07-08 13:56:25 -07:00
Linus Torvalds
6f27a64092 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:

 - Prevent an out-of-bounds access in mtrr_write()

 - Break a circular dependency in the new hyperv IPI acceleration code

 - Address the build breakage related to inline functions by enforcing
   gnu_inline and explicitly bringing native_save_fl() out of line,
   which also adds a set of _ARM_ARG macros which provide 32/64bit
   safety.

 - Initialize the shadow CR4 per cpu variable before using it.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mtrr: Don't copy out-of-bounds data in mtrr_write
  x86/hyper-v: Fix the circular dependency in IPI enlightenment
  x86/paravirt: Make native_save_fl() extern inline
  x86/asm: Add _ASM_ARG* constants for argument registers to <asm/asm.h>
  compiler-gcc.h: Add __attribute__((gnu_inline)) to all inline declarations
  x86/mm/32: Initialize the CR4 shadow before __flush_tlb_all()
2018-07-08 13:26:55 -07:00
Linus Torvalds
6fb2489d7f Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:

 - The hopefully final fix for the reported race problems in
   kthread_parkme(). The previous attempt still left a hole and was
   partially wrong.

 - Plug a race in the remote tick mechanism which triggers a warning
   about updates not being done correctly. That's a false positive if
   the race condition is hit as the remote CPU is idle. Plug it by
   checking the condition again when holding run queue lock.

 - Fix a bug in the utilization estimation of a run queue which causes
   the estimation to be 0 when a run queue is throttled.

 - Advance the global expiration of the period timer when the timer is
   restarted after a idle period. Otherwise the expiry time is stale and
   the timer fires prematurely.

 - Cure the drift between the bandwidth timer and the runqueue
   accounting, which leads to bogus throttling of runqueues

 - Place the call to cpufreq_update_util() correctly so the function
   will observe the correct number of running RT tasks and not a stale
   one.

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  kthread, sched/core: Fix kthread_parkme() (again...)
  sched/util_est: Fix util_est_dequeue() for throttled cfs_rq
  sched/fair: Advance global expiration when period timer is restarted
  sched/fair: Fix bandwidth timer clock drift condition
  sched/rt: Fix call to cpufreq_update_util()
  sched/nohz: Skip remote tick on idle task entirely
2018-07-08 12:41:23 -07:00
Linus Torvalds
f5c926b99e Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fix from Thomas Gleixner:
 "A single fix for objtool to address a bug in handling the cold
  subfunction detection for aliased functions which was added recently.
  The bug causes objtool to enter an infinite loop"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Support GCC 8 '-fnoreorder-functions'
2018-07-08 11:57:40 -07:00
Linus Torvalds
124b99fb80 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:

 - add missing RETs in x86 aegis/morus

 - fix build error in arm speck

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: x86 - Add missing RETs
  crypto: arm/speck - fix building in Thumb2 mode
2018-07-08 11:29:14 -07:00
Linus Torvalds
70a2dc6abc Bug fixes for ext4; most of which relate to vulnerabilities where a
maliciously crafted file system image can result in a kernel OOPS or
 hang.  At least one fix addresses an inline data bug could be
 triggered by userspace without the need of a crafted file system
 (although it does require that the inline data feature be enabled).
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 bugfixes from Ted Ts'o:
 "Bug fixes for ext4; most of which relate to vulnerabilities where a
  maliciously crafted file system image can result in a kernel OOPS or
  hang.

  At least one fix addresses an inline data bug could be triggered by
  userspace without the need of a crafted file system (although it does
  require that the inline data feature be enabled)"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: check superblock mapped prior to committing
  ext4: add more mount time checks of the superblock
  ext4: add more inode number paranoia checks
  ext4: avoid running out of journal credits when appending to an inline file
  jbd2: don't mark block as modified if the handle is out of credits
  ext4: never move the system.data xattr out of the inode body
  ext4: clear i_data in ext4_inode_info when removing inline data
  ext4: include the illegal physical block in the bad map ext4_error msg
  ext4: verify the depth of extent tree in ext4_find_extent()
  ext4: only look at the bg_flags field if it is valid
  ext4: make sure bitmaps and the inode table don't overlap with bg descriptors
  ext4: always check block group bounds in ext4_init_block_bitmap()
  ext4: always verify the magic number in xattr blocks
  ext4: add corruption check in ext4_xattr_set_entry()
  ext4: add warn_on_error mount option
2018-07-08 11:10:30 -07:00
Linus Torvalds
8979319f2d pci-v4.18-fixes-2
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Merge tag 'pci-v4.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - Fix a use-after-free in the endpoint code (Dan Carpenter)

 - Stop defaulting CONFIG_PCIE_DW_PLAT_HOST to yes (Geert Uytterhoeven)

 - Fix an nfp regression caused by a change in how we limit the number
   of VFs we can enable (Jakub Kicinski)

 - Fix failure path cleanup issues in the new R-Car gen3 PHY support
   (Marek Vasut)

 - Fix leaks of OF nodes in faraday, xilinx-nwl, xilinx (Nicholas Mc
   Guire)

* tag 'pci-v4.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  nfp: stop limiting VFs to 0
  PCI/IOV: Reset total_VFs limit after detaching PF driver
  PCI: faraday: Add missing of_node_put()
  PCI: xilinx-nwl: Add missing of_node_put()
  PCI: xilinx: Add missing of_node_put()
  PCI: endpoint: Use after free in pci_epf_unregister_driver()
  PCI: controller: dwc: Do not let PCIE_DW_PLAT_HOST default to yes
  PCI: rcar: Clean up PHY init on failure
  PCI: rcar: Shut the PHY down in failpath
2018-07-08 10:55:21 -07:00
Linus Torvalds
b2d44d145d five smb3/cifs fixes for stable (including for some leaks and memory overwrites) and also a few fixes for recent regressions in packet signing
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Merge tag '4.18-rc3-smb3fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Five smb3/cifs fixes for stable (including for some leaks and memory
  overwrites) and also a few fixes for recent regressions in packet
  signing.

  Additional testing at the recent SMB3 test event, and some good work
  by Paulo and others spotted the issues fixed here. In addition to my
  xfstest runs on these, Aurelien and Stefano did additional test runs
  to verify this set"

* tag '4.18-rc3-smb3fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Fix stack out-of-bounds in smb{2,3}_create_lease_buf()
  cifs: Fix infinite loop when using hard mount option
  cifs: Fix slab-out-of-bounds in send_set_info() on SMB2 ACE setting
  cifs: Fix memory leak in smb2_set_ea()
  cifs: fix SMB1 breakage
  cifs: Fix validation of signed data in smb2
  cifs: Fix validation of signed data in smb3+
  cifs: Fix use after free of a mid_q_entry
2018-07-07 18:31:34 -07:00
Linus Torvalds
4f572efde4 Revert an incorrect dma-mapping commit for 4.18-rc
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Merge tag 'dma-mapping-4.18-3' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:
 "Revert an incorrect dma-mapping commit for 4.18-rc"

* tag 'dma-mapping-4.18-3' of git://git.infradead.org/users/hch/dma-mapping:
  Revert "iommu/intel-iommu: Enable CONFIG_DMA_DIRECT_OPS=y and clean up intel_{alloc,free}_coherent()"
2018-07-07 17:55:16 -07:00