| Commit message (Collapse) | Author | Age |
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List of values like the DRM_MODE_SUBCONNECTOR_xx ones are better
represented with enums.
Turn the DRM_MODE_SUBCONNECTOR_xx macros into an enum.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Eric Anholt <eric@anholt.net>
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PV_CONTROL_CLK_SELECT_VEC is actually 2 and not 0. Fix the definition and
rework the vc4_set_crtc_possible_masks() to cover the full range of the
PV_CONTROL_CLK_SELECT field.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
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There was a small window where a userspace program could submit
a pageflip after receiving a pageflip completion event yet still
receive EBUSY.
Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Stone <daniels@collabora.com>
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http://git.agner.ch/git/linux-drm-fsl-dcu into drm-next
Some fixes and cleanup, mainly around fbdev emulation. It also adds a
new module parameter which allows to specify the color depth/bpp for
the fbdev emulation (like the IMX DRM driver).
* tag 'drm-fsl-dcu-for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu:
drm/fsl-dcu: introduce kernel parameter to specify fbdev depth
drm/fsl-dcu: remove separate compilation unit for fbdev emulation
drm/fsl-dcu: Propagate the real error code
drm/fsl-dcu: Remove unneeded NULL check
drm/fsl-dcu: disable outputs before unloading driver
drm/fsl-dcu: unload driver before disabling clocks
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Add a kernel parameter legancyfb_depth (like the i.MX drm driver)
to control the legancy fbdev depth. Default to the so far hard
coded depth of 24-bit. Currently changing the framebuffer depth
is not possible from user space when using the fbdev emulation
layer... This provides a rudimentary mechanism to change depth
without having to change kernel code.
Signed-off-by: Stefan Agner <stefan@agner.ch>
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The separate file fsl_dcu_drm_fbdev.c only initialized fbdev
emulation which is a one-line operation. There is not much more
code on sight which justifies a separate file, hence call the
initialization helper directly from the drv file.
Signed-off-by: Stefan Agner <stefan@agner.ch>
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In case of platform_get_irq() failure, let's propagate the real
error code, instead of a 'fake' one.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
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devm_ioremap_resource() performs NULL check for the 'res' argument,
so remove the unneeded check.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
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Make sure that all outputs are disabled before unloading the DRM
driver. Otherwise vblank handling is not shut down properly and
warnings such as this appear:
WARNING: CPU: 0 PID: 540 at drivers/gpu/drm/drm_irq.c:339 drm_vblank_cleanup+0x5c/0x94
Signed-off-by: Stefan Agner <stefan@agner.ch>
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Use drm_put_dev to unload the driver before disabling clocks.
Otherwise the driver might read a register during unload which
leads to an external abort.
Signed-off-by: Stefan Agner <stefan@agner.ch>
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git://anongit.freedesktop.org/git/drm-misc into drm-next
Another pile of misc stuff, final one for 4.10. If there's some serious
bugfix still I'll send you a pull for drm-misc-next-fixes (like we do with
intel), otherwise this is it and next pull next year for 4.11.
Most interesting bits are probably Chris' fb helper fixes against mst
hotplug oopses.
* tag 'drm-misc-next-2016-12-08' of git://anongit.freedesktop.org/git/drm-misc: (22 commits)
drm: Take ownership of the dmabuf->obj when exporting
drm: Allow CAP_PRIME on !MODESET
drm/fence: add drm_crtc_create_fence()
drm/bridge: analogix: Don't return -EINVAL when panel doesn't support PSR
drm/atomic: doc: remove old comment about nonblocking commits
drm: Don't block the kworker waiting for mode_config.mutex in output_poll()
drm: Return -ENOTSUPP when called for KMS cap with a non-KMS driver
drm/amdgpu: don't add files at control minor debugfs directory
drm: allow changing DPMS mode
drm/qxl: fix use of uninitialized variable
drm/qxl: Don't register debugfs for control minors
drm/radeon: don't add files at control minor debugfs directory
drm/vmwgfx: Switch to mode_cmd2
drm/vgem: Use ww_mutex_(un)lock even with a NULL context
drm: Make the connector .detect() callback optional
drm/bridge: tc358767: don't warn if display side ASSR enable fails
drm: Initialise drm_mm.head_node.allocated
drm: Fix locking cargo-cult in encoder/plane init/cleanup
drm/doc: Fix indenting in drm_modeset_lock.c comment
drm: Protect fb_helper list manipulation with a mutex
...
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Currently the reference for the dmabuf->obj is incremented for the
dmabuf in drm_gem_prime_handle_to_fd() (at the high level userspace
interface), but is released in drm_gem_dmabuf_release() (the lowlevel
handler). Improve the symmetry of the dmabuf->obj ownership by acquiring
the reference in drm_gem_dmabuf_export(). This makes it easier to use
the prime functions directly.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: Update kerneldoc.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161207214527.22533-1-chris@chris-wilson.co.uk
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vgem (and our igt tests using vgem) need this. I suspect etnaviv will
fare similarly.
v2. Make it build. Oops.
Fixes: d5264ed3823a ("drm: Return -ENOTSUPP when called for KMS cap with a non-KMS driver")
Cc: Michel Dänzer <michel.daenzer@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161207144939.22756-1-daniel.vetter@ffwll.ch
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Instead of dealing with crtc details inside drm_atomic.c we should
just export a function that creates a new crtc fence for us and
use that.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1481046437-18778-1-git-send-email-gustavo@padovan.org
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We will ignored PSR setting if panel not support it. So, in this case,
we should return from analogix_dp_enable/disable_psr() without any
error code. Let's retrun 0 instead of -EINVAL when panel not support PSR
in analogix_dp_enable/disable_psr().
Signed-off-by: zain wang <wzz@rock-chips.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1481072253-8917-1-git-send-email-wzz@rock-chips.com
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We now support nonblocking commits on drm_atomic_helper_commit()
so the comment is not valid anymore.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1480946626-30917-1-git-send-email-gustavo@padovan.org
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If we cannot acquire the mode_config.mutex immediately, just back off and
queue a new attempt after the poll interval. This is mostly to stop the
hung task spam when the system is deadlocked, but it will also lessen
the load (in such extreme cases).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
[danvet:s/lock/mutex/ per Eric's comment.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161206113715.30382-1-chris@chris-wilson.co.uk
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This is an attempt to make the previous fix a bit more robust going
forward.
v2:
* Only allow DRM_CAP_TIMESTAMP_MONOTONIC with UMS drivers (Daniel
Vetter, Alex Deucher)
* Different logic to keep DRM_CAP_TIMESTAMP_MONOTONIC separate from
the other caps (Daniel Vetter)
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161201073731.5716-1-michel@daenzer.net
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Backmerge v4.9-rc8 to get at
commit e94bd1736f1f60e916a85a80c0b0ebeaae36cce5
Author: Michel Dänzer <michel.daenzer@amd.com>
Date: Wed Nov 30 17:30:01 2016 +0900
drm: Don't call drm_for_each_crtc with a non-KMS driver
so I can apply Michel's follow-up patch.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Since commit 8a357d10043c ("drm: Nerf DRM_CONTROL nodes"), a
struct drm_device's ->control member is always NULL.
In the case of CONFIG_DEBUG_FS=y, amdgpu_debugfs_add_files() accesses
->control->debugfs_root though. This results in a NULL pointer
dereference.
Fix this by omitting the drm_debugfs_create_files() call for the
control minor debugfs directory which is now non-existent anyway.
Fixes: 8a357d10043c ("drm: Nerf DRM_CONTROL nodes")
Signed-off-by: Nicolai Stange <nicstange@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98915
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161205203022.11671-1-nicstange@gmail.com
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The drm_atomic_helper_connector_dpms
will set the connector back the old DPMS state
before returning. This makes it impossible to change
DPMS state of the connector.
Fixes: 0853695c3ba46f97dfc0b5885f7b7e640ca212dd
v2: edit of commit message
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Eric Engestrom <eric.engestrom@imgtec.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: dri-devel@lists.freedesktop.org
Cc: <drm-intel-fixes@lists.freedesktop.org>
Signed-off-by: Marta Lofstedt <marta.lofstedt@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161205120408.13056-1-marta.lofstedt@intel.com
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In function qxl_release_alloc(), when kmalloc() returns a NULL pointer,
it returns value 0 and parameter *ret is uninitialized. 0 means no error
to the callers of qxl_release_alloc(). The callers keep going and will
try to reference the uninitialized variable. This patch fixes the bug,
returning "-ENOMEM" when kmalloc() fails.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188911
Signed-off-by: Pan Bian <bianpan2016@163.com>
[seanpaul fixed up subject prefix]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1480777902-7648-1-git-send-email-bianpan2016@163.com
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They're gone since 8a357d10043c ("drm: Nerf DRM_CONTROL nodes").
Spotted while doing a full audit when revieng a similar patch from
Nicolai for radeon.
v2: Drink coffee first aka don't forget the unregister side.
Cc: Dave Airlie <airlied@redhat.com>
Fixes: 8a357d10043c ("drm: Nerf DRM_CONTROL nodes")
Cc: Nicolai Stange <nicstange@gmail.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161205072926.12546-1-daniel.vetter@ffwll.ch
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Since commit 8a357d10043c ("drm: Nerf DRM_CONTROL nodes"), a
struct drm_device's ->control member is always NULL.
In the case of CONFIG_DEBUG_FS=y, radeon_debugfs_add_files() accesses
->control->debugfs_root though. This results in the following Oops:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: radeon_debugfs_add_files+0x90/0x100 [radeon]
PGD 0
Oops: 0000 [#1] SMP
[...]
Call Trace:
? work_on_cpu+0xb0/0xb0
radeon_fence_driver_init+0x120/0x150 [radeon]
si_init+0x122/0xd50 [radeon]
? _raw_spin_unlock_irq+0x2c/0x40
? device_pm_check_callbacks+0xb3/0xc0
radeon_device_init+0x958/0xda0 [radeon]
radeon_driver_load_kms+0x9a/0x210 [radeon]
drm_dev_register+0xa9/0xd0 [drm]
drm_get_pci_dev+0x9c/0x1e0 [drm]
radeon_pci_probe+0xb8/0xe0 [radeon]
[...]
Fix this by omitting the drm_debugfs_create_files() call for the
control minor debugfs directory which is now non-existent anyway.
Fixes: 8a357d10043c ("drm: Nerf DRM_CONTROL nodes")
Signed-off-by: Nicolai Stange <nicstange@gmail.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161203144700.2307-1-nicstange@gmail.com
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Surprisingly few changes needed to make it happen. Compile-tested
only. The idea is that this replaces the 2 patches from Ville's big
fb->format patch series as a prep patch. Only impact to later patches
should be the one instace added in this patch where we look at
fb->pixel_format (instead of fb->bpp and fb->depth), so minor
adjustements in the cocci-generated patches needed.
v2: Restore pitch computation in vmw_fb_kms_framebuffer (Sinclair).
Cc: ville.syrjala@linux.intel.com
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-graphics-maintainer@vmware.com
Cc: Sinclair Yeh <syeh@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161202070740.31689-1-daniel.vetter@ffwll.ch
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v2: use resv->lock instead of resv->lock.base (Christian König)
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Maarten Lankhorst <dev@mblankhorst.nl>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1480601214-26583-2-git-send-email-nhaehnle@gmail.com
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Many drivers (21 to be exact) create connectors that are always
connected (for instance to an LVDS or DSI panel). Instead of forcing
them to implement a dummy .detect() handler, make the callback optional
and consider the connector as always connected in that case.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[seanpaul fixed small conflict in rcar-du/rcar_du_lvdscon.c]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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ASSR is an optional feature, so it's a valid operating condition for
the display to reject ASSR enable. Demote the warning to the debug
level.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by:Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161130114810.3245-1-l.stach@pengutronix.de
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commit 202b52b7fbf7 ("drm: Track drm_mm nodes with an interval tree")
introduced a requirement that the special drm_mm.head_node was
initialised and marked as not being allocated. It is a very special node
that has no side but has a hole that represents the drm_mm address
space, and holds the list of nodes. Since it is not a real node, it is
not part of the node rbtree and we detect this as it being unallocated.
This presumed that drm_mm_init() was initialising it to zero. It happens
that i915 kzallocs its objects and so it was accidentally setting it,
but for generic use we cannot make that assumption.
[ 22.981519] general protection fault: 0000 [#1] SMP
[ 22.981521] Modules linked in: test_drm_mm(+) ctr ccm arc4 rt2800usb rt2x00usb rt2800lib rt2x00lib crc_ccitt mac80211 cmac rfcomm bnep snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel dcdbas snd_hda_codec x86_pkg_temp_thermal intel_powerclamp btusb snd_hda_core coretemp crct10dif_pclmul cfg80211 btrtl btbcm btintel bluetooth crc32_pclmul ghash_clmulni_intel aesni_intel snd_pcm i2c_hid aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_timer hid_multitouch snd joydev serio_raw lpc_ich mfd_core i2c_designware_platform i2c_designware_core 8250_dw binfmt_misc soundcore acpi_pad nls_iso8859_1 usbhid hid psmouse ahci libahci [last unloaded: test_drm_mm]
[ 22.981544] CPU: 1 PID: 2088 Comm: drm_mm Tainted: G W 4.9.0-rc7+ #234
[ 22.981545] Hardware name: Dell Inc. XPS 13 9343/0310JH, BIOS A07 11/11/2015
[ 22.981546] task: ffff88020c971cc0 task.stack: ffffc90001728000
[ 22.981547] RIP: 0010:[<ffffffff814050f0>] [<ffffffff814050f0>] drm_mm_interval_tree_add_node+0xa0/0xd0
[ 22.981551] RSP: 0018:ffffc9000172ba98 EFLAGS: 00010202
[ 22.981552] RAX: 0f0000c69cf63d80 RBX: ffff88020be00000 RCX: ffff88020be00000
[ 22.981553] RDX: 0000000000000fff RSI: ffffc9000172bc48 RDI: ffffffff810ac4df
[ 22.981553] RBP: ffffc9000172bb08 R08: ffffc9000172bc70 R09: 0000000000000fff
[ 22.981554] R10: ffffffff810ac4d7 R11: 4dc04d8b4cffffe5 R12: 0000000000001000
[ 22.981555] R13: ffffc9000172bbd0 R14: ffffc9000172bbe0 R15: 0000000002000000
[ 22.981556] FS: 00007f80c9fab740(0000) GS:ffff88021f480000(0000) knlGS:0000000000000000
[ 22.981557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.981558] CR2: 00007f80c9fd5000 CR3: 000000020c191000 CR4: 00000000003406e0
[ 22.981559] Stack:
[ 22.981560] ffffffff81405d09 ffff88020be00000 ffffc9000172bbe0 000000000172bb08
[ 22.981562] ffffffffffffffff 0000000000000000 0000000000000000 0000000000000000
[ 22.981563] 0000000002000000 0000000002000000 ffffffffa02f3000 ffff88020be00000
[ 22.981565] Call Trace:
[ 22.981568] [<ffffffff81405d09>] ? drm_mm_insert_node_generic+0x229/0x310
[ 22.981570] [<ffffffffa02f3000>] ? 0xffffffffa02f3000
[ 22.981572] [<ffffffffa02903c1>] __subtest_insert_range.constprop.7+0xd1/0x5b0 [test_drm_mm]
[ 22.981575] [<ffffffff81081222>] ? default_wake_function+0x12/0x20
[ 22.981576] [<ffffffff81096905>] ? __wake_up_common+0x55/0x90
[ 22.981578] [<ffffffff81085f42>] ? sched_clock_cpu+0x72/0xa0
[ 22.981581] [<ffffffff811308ad>] ? irq_work_queue+0xd/0x80
[ 22.981582] [<ffffffff810abcc4>] ? wake_up_klogd+0x34/0x40
[ 22.981584] [<ffffffff810ac19d>] ? console_unlock+0x4cd/0x530
[ 22.981585] [<ffffffff810ac4d7>] ? vprintk_emit+0x2d7/0x490
[ 22.981587] [<ffffffff810ac82f>] ? vprintk_default+0x1f/0x30
[ 22.981589] [<ffffffff81146e1c>] ? printk+0x4d/0x4f
[ 22.981590] [<ffffffffa02f3000>] ? 0xffffffffa02f3000
[ 22.981592] [<ffffffffa02908b5>] subtest_insert_range+0x15/0x80 [test_drm_mm]
[ 22.981594] [<ffffffffa02f3088>] test_drm_mm_init+0x88/0x1000 [test_drm_mm]
[ 22.981597] [<ffffffff8100043d>] do_one_initcall+0x3d/0x150
[ 22.981600] [<ffffffff8119dfbf>] ? kfree+0x13f/0x180
[ 22.981602] [<ffffffff811471f2>] do_init_module+0x60/0x1f1
[ 22.981606] [<ffffffff810db878>] load_module+0x2228/0x2790
[ 22.981608] [<ffffffff810d8590>] ? __symbol_put+0x40/0x40
[ 22.981612] [<ffffffff811c52b1>] ? kernel_read+0x41/0x60
[ 22.981614] [<ffffffff810dbfb6>] SYSC_finit_module+0x96/0xd0
[ 22.981617] [<ffffffff810dc00e>] SyS_finit_module+0xe/0x10
[ 22.981620] [<ffffffff816e7aa4>] entry_SYSCALL_64_fastpath+0x17/0x98
[ 22.981622] Code: c7 41 30 00 00 00 00 48 89 e5 48 89 3a 48 c7 c2 20 4e 40 81 e8 b2 a1 f0 ff 5d c3 48 8d 56 78 45 31 d2 48 89 d6 eb 25 48 8b 51 58 <48> 39 50 38 73 04 48 89 50 38 4c 8b 58 28 4c 39 59 48 48 8d 50
[ 22.981651] RIP [<ffffffff814050f0>] drm_mm_interval_tree_add_node+0xa0/0xd0
[ 22.981655] RSP <ffffc9000172ba98>
Testcase: igt/drm_mm
Fixes: 202b52b7fbf7 ("drm: Track drm_mm nodes with an interval tree")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <drm-intel-fixes@lists.freedesktop.org> # v4.9-rc1+
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161130205126.31106-1-chris@chris-wilson.co.uk
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Encoders&planes can't be hotplugged, we dont need locking for this
since it's all single-threaded driver setup/teardown code. CRTCs
already don't grab locks.
While at it I noticed that plane's are missing the
drm_modeset_lock_fini() call, so add it.
Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161129094538.9650-1-daniel.vetter@ffwll.ch
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This isn't part of the code snippet anymore ...
Acked-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161129092440.6940-1-daniel.vetter@ffwll.ch
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Though we only walk the kernel_fb_helper_list inside a panic (or single
thread debugging), we still need to protect the list manipulation on
creating/removing a framebuffer device in order to prevent list
corruption.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161129120217.7344-3-chris@chris-wilson.co.uk
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drm_fb_helper_probe_connector_modes() is always called before
drm_setup_crtcs(), so just move the call into drm_setup_crtcs for a
small bit of code compaction.
Note that register_framebuffer will do a modeset (when fbcon is enabled)
and hence must be moved out of the critical section. A follow-up patch
will add new locking for the fb list, hence move all the related
registration code together.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161129120217.7344-2-chris@chris-wilson.co.uk
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The fb_helper->connector_count is modified when a new connector is
constructed following a hotplug event (e.g. DP-MST). This causes trouble
for drm_setup_crtcs() and friends that assume that fb_helper is
constant:
[ 1250.872997] BUG: KASAN: slab-out-of-bounds in drm_setup_crtcs+0x320/0xf80 at addr ffff88074cdd2608
[ 1250.873020] Write of size 40 by task kworker/u8:3/480
[ 1250.873039] CPU: 2 PID: 480 Comm: kworker/u8:3 Tainted: G U 4.9.0-rc6+ #285
[ 1250.873043] Hardware name: /NUC6i3SYB, BIOS SYSKLi35.86A.0024.2015.1027.2142 10/27/2015
[ 1250.873050] Workqueue: events_unbound async_run_entry_fn
[ 1250.873056] ffff88070f9d78f0 ffffffff814b72aa ffff88074e40c5c0 ffff88074cdd2608
[ 1250.873067] ffff88070f9d7918 ffffffff8124ff3c ffff88070f9d79b0 ffff88074cdd2600
[ 1250.873079] ffff88074e40c5c0 ffff88070f9d79a0 ffffffff812501e4 0000000000000005
[ 1250.873090] Call Trace:
[ 1250.873099] [<ffffffff814b72aa>] dump_stack+0x67/0x9d
[ 1250.873106] [<ffffffff8124ff3c>] kasan_object_err+0x1c/0x70
[ 1250.873113] [<ffffffff812501e4>] kasan_report_error+0x204/0x4f0
[ 1250.873120] [<ffffffff81698df0>] ? drm_dev_printk+0x140/0x140
[ 1250.873127] [<ffffffff81250ac3>] kasan_report+0x53/0x60
[ 1250.873134] [<ffffffff81688b40>] ? drm_setup_crtcs+0x320/0xf80
[ 1250.873142] [<ffffffff8124f18e>] check_memory_region+0x13e/0x1a0
[ 1250.873147] [<ffffffff8124f5f3>] memset+0x23/0x40
[ 1250.873154] [<ffffffff81688b40>] drm_setup_crtcs+0x320/0xf80
[ 1250.873161] [<ffffffff810be7c5>] ? wake_up_q+0x45/0x80
[ 1250.873169] [<ffffffff81b0c180>] ? mutex_lock_nested+0x5a0/0x5a0
[ 1250.873176] [<ffffffff8168a0e6>] drm_fb_helper_initial_config+0x206/0x7a0
[ 1250.873183] [<ffffffff81689ee0>] ? drm_fb_helper_set_par+0x90/0x90
[ 1250.873303] [<ffffffffa0b68690>] ? intel_fbdev_fini+0x140/0x140 [i915]
[ 1250.873387] [<ffffffffa0b686b2>] intel_fbdev_initial_config+0x22/0x40 [i915]
[ 1250.873391] [<ffffffff810b50ff>] async_run_entry_fn+0x7f/0x270
[ 1250.873394] [<ffffffff810a64b0>] process_one_work+0x3d0/0x960
[ 1250.873398] [<ffffffff810a641d>] ? process_one_work+0x33d/0x960
[ 1250.873401] [<ffffffff810a60e0>] ? max_active_store+0xf0/0xf0
[ 1250.873406] [<ffffffff810f6f9d>] ? do_raw_spin_lock+0x10d/0x1a0
[ 1250.873413] [<ffffffff810a767d>] worker_thread+0x8d/0x840
[ 1250.873419] [<ffffffff810a75f0>] ? create_worker+0x2e0/0x2e0
[ 1250.873426] [<ffffffff810b0454>] kthread+0x194/0x1c0
[ 1250.873432] [<ffffffff810b02c0>] ? kthread_park+0x60/0x60
[ 1250.873438] [<ffffffff810f095d>] ? trace_hardirqs_on+0xd/0x10
[ 1250.873446] [<ffffffff810b02c0>] ? kthread_park+0x60/0x60
[ 1250.873453] [<ffffffff810b02c0>] ? kthread_park+0x60/0x60
[ 1250.873457] [<ffffffff81b12277>] ret_from_fork+0x27/0x40
[ 1250.873460] Object at ffff88074cdd2608, in cache kmalloc-32 size: 32
However, when holding the mode_config.lock around the fb_helper, we have
to be careful of any callbacks that may reenter the fb_helper and so try
to reacquire the mode_config.lock (e.g. register_framebuffer). To avoid
the mutex recursion, we have to rearrange the sequence to move the
registration into the caller outside of the mode_config.lock.
v2: drop the 1; following the lockdep assertion inside the for(;;), I
anticipated an error that doesn't happen!
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98826
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161129120217.7344-1-chris@chris-wilson.co.uk
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into drm-next
Misc fixes and cleanups for 4.10. Highlights:
- Cursor fixes for radeon and amdgpu
- DPM fixes for some new SI variants
- Powerplay fixes
- Clock and powergating fixes
* 'drm-next-4.10' of git://people.freedesktop.org/~agd5f/linux: (39 commits)
drm/amdgpu/dce6: Set MASTER_UPDATE_MODE to 0 in resume_mc_access as well
drm/amdgpu: use pin rather than pin_restricted in a few cases
drm/amd/powerplay: use pr_debug to print function not implemented message
drm/amd/amdgpu: Add gpr reading for GFX v7
drm/amd/amdgpu: Add gpr reading for GFX v6
drm/amd/amdgpu: Add debugfs support for reading GPRs (v2)
drm/amd/amdgpu: export vbios information (v2)
drm/amd/amdgpu: stored bios_size
drm/amdgpu: update golden setting of tonga
drm/amdgpu/si: load the proper firmware on 0x87 oland boards
drm/amdgpu: add additional pci revision to dpm workaround
drm/radeon/si: load the proper firmware on 0x87 oland boards
drm/radeon: add additional pci revision to dpm workaround
drm/amd/powerplay: Fix potential NULL pointer issue
drm/amdgpu: Don't touch GFX hw during HW fini
drm/amd/powerplay: Adjust the position of data size initial
drm/amd/powerplay: Ignore smu buffer usage
drm/amd/powerplay: cut digest part
drm/amdgpu: drop redundant vi_mqd define
drm/amdgpu: fix gtt available page num accounting
...
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Looks like this was missed when dce_v6_0.c was added.
Fixes: e2cdf640cbb5 ("drm/amdgpu: add display controller implementation for si v10")
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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We don't require a resticted pinning in these cases, so just
use plain pin.
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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For CZ, some function pointers like display_configuration_changed
are not set. So when HW manager tries to configure display, we
end up with messages like
"[ powerplay ] this function not implement!"
in the logs. This message is informational, but lacks details
on which function is not implemented and why.
Rather than using KERN_INFO to print the message everytime the
system boots, we rather use pr_debug so that it is only printed
when debug prints are enabled at runtime.
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Arindam Nath <arindam.nath@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Implemented for SGPRs for GFX v8 initially.
(v2) cleanup minor whitespace and remove sanity check and
addressing is in dwords not bytes
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Allows userspace components to fetch information
from the vbios image.
v2: agd: fix warning
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It's necessary if we want to export vbios image out.
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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New variant.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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New variant.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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New variant.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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New variant.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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If doesn't enable dpm, the powerplay will not allocate memory for
hw management. So, hw_init_power_state_table function will reference
NULL pointer when resetting.
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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For SR-IOV client, driver shouldn't touch the GFX hw during HW
fini, otherwise, gfx will fail to start after rebooting guest os.
Signed-off-by: shaoyunl <Shaoyun.Liu@amd.com>
Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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