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Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v2: squash in typo fix (Tom)
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The dead circular lock senario captured is as followed.
The idea of the fix is moving read_user_wptr outside of
acquire_queue...release_queue critical section
[ 63.477482] WARNING: possible circular locking dependency detected
[ 63.484091] 4.12.0-kfd-ozeng #3 Not tainted
[ 63.488531] ------------------------------------------------------
[ 63.495146] HelloWorldLoop/2526 is trying to acquire lock:
[ 63.501011] (&mm->mmap_sem){++++++}, at: [<ffffffff911898ce>] __might_fault+0x3e/0x90
[ 63.509472]
but task is already holding lock:
[ 63.515716] (&adev->srbm_mutex){+.+...}, at: [<ffffffffc0484feb>] lock_srbm+0x2b/0x50 [amdgpu]
[ 63.525099]
which lock already depends on the new lock.
[ 63.533841]
the existing dependency chain (in reverse order) is:
[ 63.541839]
-> #2 (&adev->srbm_mutex){+.+...}:
[ 63.548178] lock_acquire+0x6d/0x90
[ 63.552461] __mutex_lock+0x70/0x8c0
[ 63.556826] mutex_lock_nested+0x16/0x20
[ 63.561603] gfx_v8_0_kiq_resume+0x1039/0x14a0 [amdgpu]
[ 63.567817] gfx_v8_0_hw_init+0x204d/0x2210 [amdgpu]
[ 63.573675] amdgpu_device_init+0xdea/0x1790 [amdgpu]
[ 63.579640] amdgpu_driver_load_kms+0x63/0x220 [amdgpu]
[ 63.585743] drm_dev_register+0x145/0x1e0
[ 63.590605] amdgpu_pci_probe+0x11e/0x160 [amdgpu]
[ 63.596266] local_pci_probe+0x40/0xa0
[ 63.600803] pci_device_probe+0x134/0x150
[ 63.605650] driver_probe_device+0x2a1/0x460
[ 63.610785] __driver_attach+0xdc/0xe0
[ 63.615321] bus_for_each_dev+0x5f/0x90
[ 63.619984] driver_attach+0x19/0x20
[ 63.624337] bus_add_driver+0x40/0x270
[ 63.628908] driver_register+0x5b/0xe0
[ 63.633446] __pci_register_driver+0x5b/0x60
[ 63.638586] rtsx_pci_switch_output_voltage+0x1d/0x20 [rtsx_pci]
[ 63.645564] do_one_initcall+0x4c/0x1b0
[ 63.650205] do_init_module+0x56/0x1ea
[ 63.654767] load_module+0x208c/0x27d0
[ 63.659335] SYSC_finit_module+0x96/0xd0
[ 63.664058] SyS_finit_module+0x9/0x10
[ 63.668629] entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 63.674088]
-> #1 (reservation_ww_class_mutex){+.+.+.}:
[ 63.681257] lock_acquire+0x6d/0x90
[ 63.685551] __ww_mutex_lock.constprop.11+0x8c/0xed0
[ 63.691426] ww_mutex_lock+0x67/0x70
[ 63.695802] amdgpu_verify_access+0x6d/0x100 [amdgpu]
[ 63.701743] ttm_bo_mmap+0x8e/0x100 [ttm]
[ 63.706615] amdgpu_bo_mmap+0xd/0x60 [amdgpu]
[ 63.711814] amdgpu_mmap+0x35/0x40 [amdgpu]
[ 63.716904] mmap_region+0x3b5/0x5a0
[ 63.721255] do_mmap+0x400/0x4d0
[ 63.725260] vm_mmap_pgoff+0xb0/0xf0
[ 63.729625] SyS_mmap_pgoff+0x19e/0x260
[ 63.734292] SyS_mmap+0x1d/0x20
[ 63.738199] entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 63.743681]
-> #0 (&mm->mmap_sem){++++++}:
[ 63.749641] __lock_acquire+0x1401/0x1420
[ 63.754491] lock_acquire+0x6d/0x90
[ 63.758750] __might_fault+0x6b/0x90
[ 63.763176] kgd_hqd_load+0x24f/0x270 [amdgpu]
[ 63.768432] load_mqd+0x4b/0x50 [amdkfd]
[ 63.773192] create_queue_nocpsch+0x535/0x620 [amdkfd]
[ 63.779237] pqm_create_queue+0x34d/0x4f0 [amdkfd]
[ 63.784835] kfd_ioctl_create_queue+0x282/0x670 [amdkfd]
[ 63.790973] kfd_ioctl+0x310/0x4d0 [amdkfd]
[ 63.795944] do_vfs_ioctl+0x90/0x6e0
[ 63.800268] SyS_ioctl+0x74/0x80
[ 63.804207] entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 63.809607]
other info that might help us debug this:
[ 63.818026] Chain exists of:
&mm->mmap_sem --> reservation_ww_class_mutex --> &adev->srbm_mutex
[ 63.830382] Possible unsafe locking scenario:
[ 63.836605] CPU0 CPU1
[ 63.841364] ---- ----
[ 63.846123] lock(&adev->srbm_mutex);
[ 63.850061] lock(reservation_ww_class_mutex);
[ 63.857475] lock(&adev->srbm_mutex);
[ 63.864084] lock(&mm->mmap_sem);
[ 63.867657]
*** DEADLOCK ***
[ 63.873884] 3 locks held by HelloWorldLoop/2526:
[ 63.878739] #0: (&process->mutex){+.+.+.}, at: [<ffffffffc06e1a9a>] kfd_ioctl_create_queue+0x24a/0x670 [amdkfd]
[ 63.889543] #1: (&dqm->lock){+.+...}, at: [<ffffffffc06eedeb>] create_queue_nocpsch+0x3b/0x620 [amdkfd]
[ 63.899684] #2: (&adev->srbm_mutex){+.+...}, at: [<ffffffffc0484feb>] lock_srbm+0x2b/0x50 [amdgpu]
[ 63.909500]
stack backtrace:
[ 63.914187] CPU: 3 PID: 2526 Comm: HelloWorldLoop Not tainted 4.12.0-kfd-ozeng #3
[ 63.922184] Hardware name: AMD Carrizo/Gardenia, BIOS WGA5819N_Weekly_15_08_1 08/19/2015
[ 63.930865] Call Trace:
[ 63.933464] dump_stack+0x85/0xc9
[ 63.936999] print_circular_bug+0x1f9/0x207
[ 63.941442] __lock_acquire+0x1401/0x1420
[ 63.945745] ? lock_srbm+0x2b/0x50 [amdgpu]
[ 63.950185] lock_acquire+0x6d/0x90
[ 63.953885] ? __might_fault+0x3e/0x90
[ 63.957899] __might_fault+0x6b/0x90
[ 63.961699] ? __might_fault+0x3e/0x90
[ 63.965755] kgd_hqd_load+0x24f/0x270 [amdgpu]
[ 63.970577] load_mqd+0x4b/0x50 [amdkfd]
[ 63.974745] create_queue_nocpsch+0x535/0x620 [amdkfd]
[ 63.980242] pqm_create_queue+0x34d/0x4f0 [amdkfd]
[ 63.985320] kfd_ioctl_create_queue+0x282/0x670 [amdkfd]
[ 63.991021] kfd_ioctl+0x310/0x4d0 [amdkfd]
[ 63.995499] ? kfd_ioctl_destroy_queue+0x70/0x70 [amdkfd]
[ 64.001234] do_vfs_ioctl+0x90/0x6e0
[ 64.005065] ? up_read+0x1a/0x40
[ 64.008496] SyS_ioctl+0x74/0x80
[ 64.011955] entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 64.016863] RIP: 0033:0x7f4b3bd35f07
[ 64.020696] RSP: 002b:00007ffe7689ec38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 64.028786] RAX: ffffffffffffffda RBX: 00000000002a2000 RCX: 00007f4b3bd35f07
[ 64.036414] RDX: 00007ffe7689ecb0 RSI: 00000000c0584b02 RDI: 0000000000000005
[ 64.044045] RBP: 00007f4a3212d000 R08: 00007f4b3c919000 R09: 0000000000080000
[ 64.051674] R10: 00007f4b376b64b8 R11: 0000000000000246 R12: 00007f4a3212d000
[ 64.059324] R13: 0000000000000015 R14: 0000000000000064 R15: 00007ffe7689ef50
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The functions alloc_pasid and free_pasid are local to the
source and do not need to be in global scope, so make them static.
Cleans up sparse warnings:
warning: symbol 'alloc_pasid' was not declared. Should it be static?
warning: symbol 'free_pasid' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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for being able to convert an amdgpu fence into one of the handles.
Mesa will use this.
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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For amdgpu.
drm_syncobj_create is renamed to drm_syncobj_create_as_handle, and new
helpers drm_syncobj_create and drm_syncobj_get_handle are added.
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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don't need to check pp_valid, all pp
export functions are moved to ip_funcs
and pp_funcs. so just need to check the
function point.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v2: squash in regression fix (Rex)
v3: Squash in regression fix (Rex)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This driver communicates with the Atmel microcontroller for sequencing
the poweron of the TC358762 DSI-DPI bridge and controlling the
backlight PWM.
v2: Set the same default orientation as the closed source firmware
used, which is the best for viewing angle.
v3: Rewrite as an i2c client driver after bridge driver rejection.
v4: Finish probe without the DSI host, using the new delayed
registration, and attach to the host during mipi_dsi_driver probe.
v5: Rework to drop the "probe without DSI host" mode again, now that
vc4 will create the host early on.
v6: Drop unused brightness #define (noticed by Thierry)
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20170927193654.12609-4-eric@anholt.net
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Acked-by: Thierry Reding <treding@nvidia.com>
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This doesn't yet cover input, but the driver does get the display
working when the firmware is disabled from talking to our I2C lines.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170927193654.12609-3-eric@anholt.net
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I'm not a huge fan of those copying around refcounts bits, might
want to consider alternates, but this should work for now.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Refcounts use krefs.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Rolling your own reference counting is frowned upon.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Rolling your own atomic ref counts is frowned upon.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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None of this code is used currently.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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All of these are unused outside the file they are in.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Moves one function to an inline, but kills a bunch of deadcode.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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These were misaligned.
found by the cocci ifcol script.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This dereference acrtc after freeing it.
Found by the kfree cocci script.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Don't bother checking for it.
Found with the cocci ifnullfree.cocci script.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This just aligns a few things with kernel style.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This isn't used or required.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Doesn't appear to be used.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This should produce the same result.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We allocate this struct zeroed, so don't need to memset in the
constructor.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This is worth 400 bytes.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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SiI9234 transmitter converts eTMDS/HDMI signal to MHL 1.0.
It is controlled via I2C bus. Its interaction with other
devices in video pipeline is performed mainly on HW level.
The only interaction it does on device driver level is
filtering-out unsupported video modes, it exposes drm_bridge
interface to perform this operation.
This patch is based on the code refactored by Tomasz Stanislawski
<t.stanislaws@samsung.com>, which was initially developed by:
Adam Hampson <ahampson@sta.samsung.com>
Erik Gilling <konkers@android.com>
Shankar Bandal <shankar.b@samsung.com>
Dharam Kumar <dharam.kr@samsung.com>
Signed-off-by: Maciej Purski <m.purski@samsung.com>
Acked-by: Rob Herring <robh@kernel.org> [for dt bindings]
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1507212431-5801-2-git-send-email-m.purski@samsung.com
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Commit 669c9215afea ("drm/atomic: Make async plane update checks work as
intended, v2.") assumed incorrectly that if only 1 plane is matched in
the loop, the variables will be set to that plane. In reality we reset
them to NULL every time a new plane was iterated. This behavior is
surprising, so fix this by making the for loops only assign the
variables on a match.
When we have not added all the planes/crtc/connector to the state, and
there's a few NULL ones after the last one we iterated, te assumption
is broken that the pointers will hold the values from the last loop
iteration, which holds true for all other for_each macros we're using.
Except of course the iterator pointer itself, but that one really is
entirely internal.
Cc: Dmitry Osipenko <digetx@gmail.com>
Fixes: 669c9215afea ("drm/atomic: Make async plane update checks work as intended, v2.")
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170927083532.5756-2-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
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It can be seen in drm_atomic_get_private_obj_state() that
ptr will never be NULL, so skip the check for that case.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170927083532.5756-1-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://anongit.freedesktop.org/git/drm-misc into drm-next
More drm-misc for 4.15:
Cross-subsystem Changes:
- bunch more simple outreachy patches (Meghana Madhyastha, Aishwarya
Pant, Haneen Mohammed)
- Quite a pile of static checker/cocci/spelling fixups all over.
- Final driver patches+core cleanup of Noralf's new drm_gem_fb_create
helper.
Core Changes:
- legacy DPMS docs improved
- add dri-devel m-l to fbdev to catch people who try to fix
fbcon-on-kms bugs in the wrong place
Driver Changes:
- vc4: prep for dsi panels (Eric)
* tag 'drm-misc-next-2017-10-05' of git://anongit.freedesktop.org/git/drm-misc: (34 commits)
drm: fix typo in drm_gem_get_pages() comment
MAINTAINERS: Add dri-devel as a mailing list for anything fbdev
drm/virtio: Replace instances of reference/unreference with get/put
drm/fb-cma-helper: Remove unused functions
drm/tve200: Use drm_gem_fb_create() and drm_gem_fb_prepare_fb()
drm/sun4i: Use drm_gem_fb_create()
drm/shmobile: Use drm_gem_fb_create()
drm/rcar-du: Use drm_gem_fb_create()
drm/mxsfb: Use drm_gem_fb_create() and drm_gem_fb_prepare_fb()
drm/meson: Use drm_gem_fb_create()
drm/hisilicon/kirin: Use drm_gem_fb_create()
drm/fsl-dcu: Use drm_gem_fb_create()
drm/tinydrm: Use drm_gem_framebuffer_helper
drm: of: always initialize panel in drm_of_find_panel_or_bridge()
drm/tve200: Check for IS_ERR instead of NULL in probe
drm/tve200: make two functions static
drm/armada: Remove unused #include <drmP.h>
drm/rockchip: Rely on the default best_encoder() behavior
drm/vc4: Set up the DSI host at pdev probe time, not component bind.
drm/vc4: Avoid using vrefresh==0 mode in DSI htotal math.
...
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I spent an embarrassingly long time looking for drm_gem_init_object()
before I realized I was actually looking for drm_gem_object_init().
Fix the typo to keep other poor developers from suffering the same
fate.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1507045091-6550-1-git-send-email-jcrouse@codeaurora.org
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This patch adds a macro regmap_field_read_poll_timeout that works
similar to the readx_poll_timeout defined in linux/iopoll.h, except
that this can also return the error value returned by a failed
regmap_field_read.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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fbdev is in maintenance only, except that it's still used by drm
through the drm fbdev emulation, to be able to use fbcon. And people
might want to sometimes extend fbcon to enable new features for drm
drivers, e.g. Hans' panel orientation work.
The problem is that when those patches only touch fbdev code they'll
never show up on drm developer's radar, which means we end up with
designs that don't really fit whell into the full stack. That happened
a bit with the panel orientation work, where an fbcon patch made it
into 4.14, implementing a design that won't really work on the drm
side. Which means we now have to redo things, and on top coordinate 2
subsystem trees.
Since fbdev is super low-volume we can prevent this in the future by
simply adding the dri-devel mailing list to the fbdev subsystem.
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Acked-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170908153528.17528-1-daniel.vetter@ffwll.ch
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Just catching up with upstream.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Linux 4.14-rc3
Requested by Daniel for the tracing build fix in fixes.
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Replace reference/unreference with get/put as it is consistent
with the kernel coding style. Done using the following semantic
patch by coccinelle.
@r@
expression e;
@@
-drm_gem_object_unreference_unlocked(e);
+drm_gem_object_put_unlocked(e);
Signed-off-by: Srishti Sharma <srishtishar@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1506679419-7130-1-git-send-email-srishtishar@gmail.com
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1. use flag PP_DPM_DISABLED within powerplay
notify amdgpu dpm state by cgs interface.
2. delete redundant virtualization check in
powerplay
v2: squash in fix for hwmgr_init (Rex)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"This contains the following fixes and improvements:
- Avoid dereferencing an unprotected VMA pointer in the fault signal
generation code
- Fix inline asm call constraints for GCC 4.4
- Use existing register variable to retrieve the stack pointer
instead of forcing the compiler to create another indirect access
which results in excessive extra 'mov %rsp, %<dst>' instructions
- Disable branch profiling for the memory encryption code to prevent
an early boot crash
- Fix a sparse warning caused by casting the __user annotation in
__get_user_asm_u64() away
- Fix an off by one error in the loop termination of the error patch
in the x86 sysfs init code
- Add missing CPU IDs to various Intel specific drivers to enable the
functionality on recent hardware
- More (init) constification in the numachip code"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/asm: Use register variable to get stack pointer value
x86/mm: Disable branch profiling in mem_encrypt.c
x86/asm: Fix inline asm call constraints for GCC 4.4
perf/x86/intel/uncore: Correct num_boxes for IIO and IRP
perf/x86/intel/rapl: Add missing CPU IDs
perf/x86/msr: Add missing CPU IDs
perf/x86/intel/cstate: Add missing CPU IDs
x86: Don't cast away the __user in __get_user_asm_u64()
x86/sysfs: Fix off-by-one error in loop termination
x86/mm: Fix fault error path using unsafe vma pointer
x86/numachip: Add const and __initconst to numachip2_clockevent
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"This adds a new timer wheel function which is required for the
conversion of the timer callback function from the 'unsigned long
data' argument to 'struct timer_list *timer'. This conversion has two
benefits:
1) It makes struct timer_list smaller
2) Many callers hand in a pointer to the timer or to the structure
containing the timer, which happens via type casting both at setup
and in the callback. This change gets rid of the typecasts.
Once the conversion is complete, which is planned for 4.15, the old
setup function and the intermediate typecast in the new setup function
go away along with the data field in struct timer_list.
Merging this now into mainline allows a smooth queueing of the actual
conversion in the affected maintainer trees without creating
dependencies"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
um/time: Fixup namespace collision
timer: Prepare to change timer callback argument type
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp/hotplug fixes from Thomas Gleixner:
"This addresses the fallout of the new lockdep mechanism which covers
completions in the CPU hotplug code.
The lockdep splats are false positives, but there is no way to
annotate that reliably. The solution is to split the completions for
CPU up and down, which requires some reshuffling of the failure
rollback handling as well"
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
smp/hotplug: Hotplug state fail injection
smp/hotplug: Differentiate the AP completion between up and down
smp/hotplug: Differentiate the AP-work lockdep class between up and down
smp/hotplug: Callback vs state-machine consistency
smp/hotplug: Rewrite AP state machine core
smp/hotplug: Allow external multi-instance rollback
smp/hotplug: Add state diagram
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
"The scheduler pull request comes with the following updates:
- Prevent a divide by zero issue by validating the input value of
sysctl_sched_time_avg
- Make task state printing consistent all over the place and have
explicit state characters for IDLE and PARKED so they wont be
displayed as 'D' state which confuses tools"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/sysctl: Check user input value of sysctl_sched_time_avg
sched/debug: Add explicit TASK_PARKED printing
sched/debug: Ignore TASK_IDLE for SysRq-W
sched/debug: Add explicit TASK_IDLE printing
sched/tracing: Use common task-state helpers
sched/tracing: Fix trace_sched_switch task-state printing
sched/debug: Remove unused variable
sched/debug: Convert TASK_state to hex
sched/debug: Implement consistent task-state printing
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
- Prevent a division by zero in the perf aux buffer handling
- Sync kernel headers with perf tool headers
- Fix a build failure in the syscalltbl code
- Make the debug messages of perf report --call-graph work correctly
- Make sure that all required perf files are in the MANIFEST for
container builds
- Fix the atrr.exclude kernel handling so it respects the
perf_event_paranoid and the user permissions
- Make perf test on s390x work correctly
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/aux: Only update ->aux_wakeup in non-overwrite mode
perf test: Fix vmlinux failure on s390x part 2
perf test: Fix vmlinux failure on s390x
perf tools: Fix syscalltbl build failure
perf report: Fix debug messages with --call-graph option
perf evsel: Fix attr.exclude_kernel setting for default cycles:p
tools include: Sync kernel ABI headers with tooling headers
perf tools: Get all of tools/{arch,include}/ in the MANIFEST
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"Two fixes for locking:
- Plug a hole the pi_stat->owner serialization which was changed
recently and failed to fixup two usage sites.
- Prevent reordering of the rwsem_has_spinner() check vs the
decrement of rwsem count in up_write() which causes a missed
wakeup"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rwsem-xadd: Fix missed wakeup due to reordering of load
futex: Fix pi_state->owner serialization
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
- Add a missing NULL pointer check in free_irq()
- Fix a memory leak/memory corruption in the generic irq chip
- Add missing rcu annotations for radix tree access
- Use ffs instead of fls when extracting data from a chip register in
the MIPS GIC irq driver
- Fix the unmasking of IPI interrupts in the MIPS GIC driver so they
end up at the target CPU and not at CPU0
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irq/generic-chip: Don't replace domain's name
irqdomain: Add __rcu annotations to radix tree accessors
irqchip/mips-gic: Use effective affinity to unmask
irqchip/mips-gic: Fix shifts to extract register fields
genirq: Check __free_irq() return value for NULL
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Thomas Gleixner:
"Two small fixes for objtool:
- Support frame pointer setup via 'lea (%rsp), %rbp' which was not
yet supported and caused build warnings
- Disable unreacahble warnings for GCC4.4 and older to avoid false
positives caused by the compiler itself"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Support unoptimized frame pointer setup
objtool: Skip unreachable warnings for GCC 4.4 and older
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