"ret" needs to be signed for the error handling to work.
Fixes: 8d7f934df8 ("omapdrm: hdmi4_cec: add OMAP4 HDMI CEC support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Commit d178e034d5 ("drm: omapdrm: Move FEAT_DPI_USES_VDDS_DSI feature
to dpi code") replaced usage of platform data version with SoC matching
to configure DPI VDDS. The SoC match entries were incorrect, they should
have matched on the machine name instead of the SoC family. Fix it.
The result was observed on OpenPandora with OMAP3530 where the panel only
had the Blue channel and Red&Green were missing. It was not observed on
GTA04 with DM3730.
Fixes: d178e034d5 ("drm: omapdrm: Move FEAT_DPI_USES_VDDS_DSI feature to dpi code")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: stable@vger.kernel.org # 4.14
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
I believe the intention of the commit 2c9fc9bf45
("drm: omapdrm: Move FEAT_HDMI_* features to hdmi4 driver")
was to identify omap4430 ES1.x, omap4430 ES2.x and other OMAP4 revisions,
like omap4460.
By using family=OMAP4 in the match the code will treat omap4460 ES1.x in a
same way as it would treat omap4430 ES1.x
This breaks HDMI audio on OMAP4460 devices (PandaES for example).
Correct the match rule so we are not going to get false positive match.
Fixes: 2c9fc9bf45 ("drm: omapdrm: Move FEAT_HDMI_* features to hdmi4 driver")
Cc: stable@vger.kernel.org # 4.14
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The new backlight code causes a link failure when backlight
support itself is disabled:
drivers/gpu/drm/omapdrm/displays/panel-dpi.o: In function `panel_dpi_probe_of':
panel-dpi.c:(.text+0x35c): undefined reference to `of_find_backlight_by_node'
This adds a Kconfig dependency like we have for the other OMAP
display targets.
Fixes: 39135a305a ("drm/omap: displays: panel-dpi: Support for handling backlight devices")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
If we don't find a matching device node, we must free the memory allocated
in 'omap_dmm' a few lines above.
Fixes: 7cb0d6c17b ("drm/omap: fix TILER on OMAP5")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fields in HTIM01 and HTIM02 regs should be even.
Recomended thresh_dly value is max_tu_symbol.
Remove set of VPCTRL0.VSDELAY as it is related to DSI input
interface. Currently driver supports only DPI.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-5-git-send-email-andrey.gusakov@cogentembedded.com
The panel_bridge bridge attaches to the panel's OF node, not the
lvds-encoder's node. Put in a little no-op bridge of our own so that
our consumers can still find a bridge where they expect.
This also fixes an unintended unregistration and leak of the
panel-bridge on module remove.
Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: 13dfc0540a ("drm/bridge: Refactor out the panel wrapper from the lvds-encoder bri
dge.")
Tested-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171114191647.22207-1-eric@anholt.net
Support the "cec" optional clock. The documentation already mentions "cec"
optional clock and it is used by several boards, but currently the driver
doesn't enable it, thus preventing cec from working on those boards.
And even worse: a /dev/cecX device will appear for those boards, but it
won't be functioning without configuring this clock.
Changes:
v4:
- Change commit message to stress the importance of this patch
v3:
- Drop useless braces
v2:
- Separate ENOENT errors from others
- Propagate other errors (especially -EPROBE_DEFER)
Signed-off-by: Pierre-Hugues Husson <phh@phh.me>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171125201844.11353-1-phh@phh.me
If the device tree for a board did not specify a cec clock, then
adv7511_cec_init would return an error, which would cause adv7511_probe()
to fail and thus there is no HDMI output.
There is no need to have adv7511_probe() fail if the CEC initialization
fails, so just change adv7511_cec_init() to a void function. In addition,
adv7511_cec_init() should just return silently if the cec clock isn't
found and show a message for any other errors.
An otherwise correct cleanup patch from Dan Carpenter turned this broken
failure handling into a kernel Oops, so bisection points to commit
7af35b0add ("drm/kirin: Checking for IS_ERR() instead of NULL") rather
than 3b1b975003 ("drm: adv7511/33: add HDMI CEC support").
Based on earlier patches from Arnd and John.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Xinliang Liu <xinliang.liu@linaro.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: https://bugs.linaro.org/show_bug.cgi?id=3345
Link: https://lkft.validation.linaro.org/scheduler/job/48017#L3551
Fixes: 7af35b0add ("drm/kirin: Checking for IS_ERR() instead of NULL")
Fixes: 3b1b975003 ("drm: adv7511/33: add HDMI CEC support")
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/9097b2a4-b6b9-5fca-e039-0a17694b1143@xs4all.nl
Some drivers like i915 start with crtc's enabled, but with deferred
fbcon setup they were no longer disabled as part of fbdev setup.
Headless units could no longer enter pc3 state because the crtc was
still enabled.
Fix this by calling restore_fbdev_mode when we would have called
it otherwise once during initial fbdev setup.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: ca91a2758f ("drm/fb-helper: Support deferred setup")
Cc: <stable@vger.kernel.org> # v4.14+
Reported-by: Thomas Voegtle <tv@lio96.de>
Tested-by: Thomas Voegtle <tv@lio96.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171128111603.62757-1-maarten.lankhorst@linux.intel.com
drm_atomic_helper_setup_commit expects that flipping of previous commits
has happened when it is called to set up a new commit. This can be violated
by commits where userspace doesn't get a flip completion event to
synchronize against i.e. legacy modesets and property changes.
The expectation is that those are done by blocking commits, which wait for
completion. Most drivers call drm_atomic_helper_wait_for_vblanks in the
commit_tail to ensure completion, but the wait for next vblank might not
actually happen if the commit didn't change any planes.
Make the wait more agressive by also waiting if no planes changed. This
is the minimal regression fix for the 4.15 kernel series. Long term
drivers should switch away from drm_atomic_helper_wait_for_vblanks and
use drm_atomic_helper_wait_for_flip_done instead.
Fixes: de39bec1a0 ("drm/atomic: Remove waits in drm_atomic_helper_commit_cleanup_done, v2.")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171129110431.6300-1-l.stach@pengutronix.de
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Merge tag 'drm-for-v4.15-part2-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
- TTM regression fix for some virt gpus (bochs vga)
- a few i915 stable fixes
- one vc4 fix
- one uapi fix
* tag 'drm-for-v4.15-part2-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/ttm: don't attempt to use hugepages if dma32 requested (v2)
drm/vblank: Pass crtc_id to page_flip_ioctl.
drm/i915: Fix init_clock_gating for resume
drm/i915: Mark the userptr invalidate workqueue as WQ_MEM_RECLAIM
drm/i915: Clear breadcrumb node when cancelling signaling
drm/i915/gvt: ensure -ve return value is handled correctly
drm/i915: Re-register PMIC bus access notifier on runtime resume
drm/i915: Fix false-positive assert_rpm_wakelock_held in i915_pmic_bus_access_notifier v2
drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks
drm/vc4: Account for interrupts in flight
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Merge tag 'v4.15-rc1' into drm-misc-fixes
Linux 4.15-rc1
Pull in the merge window to resync. Dave didn't get his -fixes pull
landed in time, and now there's another rockchip fix pending, so
fast-forwarding isn't possible, hence backmerge.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
In the case where the bind gets deferred we would end up with a
un-balanced runtime PM enable call.
Fix this by simply moving the pm_runtime_enable call to the end of
the bind function when all paths have succeeded.
Signed-off-by: Mirza Krak <mirza.krak@endian.se>
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1510734286-37434-1-git-send-email-mirza.krak@endian.se
Pull timer updates from Thomas Gleixner:
- The final conversion of timer wheel timers to timer_setup().
A few manual conversions and a large coccinelle assisted sweep and
the removal of the old initialization mechanisms and the related
code.
- Remove the now unused VSYSCALL update code
- Fix permissions of /proc/timer_list. I still need to get rid of that
file completely
- Rename a misnomed clocksource function and remove a stale declaration
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
m68k/macboing: Fix missed timer callback assignment
treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts
timer: Remove redundant __setup_timer*() macros
timer: Pass function down to initialization routines
timer: Remove unused data arguments from macros
timer: Switch callback prototype to take struct timer_list * argument
timer: Pass timer_list pointer to callbacks unconditionally
Coccinelle: Remove setup_timer.cocci
timer: Remove setup_*timer() interface
timer: Remove init_timer() interface
treewide: setup_timer() -> timer_setup() (2 field)
treewide: setup_timer() -> timer_setup()
treewide: init_timer() -> setup_timer()
treewide: Switch DEFINE_TIMER callbacks to struct timer_list *
s390: cmm: Convert timers to use timer_setup()
lightnvm: Convert timers to use timer_setup()
drivers/net: cris: Convert timers to use timer_setup()
drm/vc4: Convert timers to use timer_setup()
block/laptop_mode: Convert timers to use timer_setup()
net/atm/mpc: Avoid open-coded assignment of timer callback function
...
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Merge tag 'drm-for-v4.15-part2' of git://people.freedesktop.org/~airlied/linux
Pull more drm updates from Dave Airlie:
"Fixes/cleanups for rc1, non-desktop flags for VR
- remove the MSM dt-bindings file Rob managed to push in the previous
pull.
- add a property/edid quirk to denote HMD devices, I had these
hanging around for a few weeks and Keith had done some work on
them, they are fairly self contained and small, and only affect
people using HTC Vive VR headsets so far.
- amdgpu, tegra, tilcdc, fsl fixes
- some imx-drm cleanups I missed, these seemed pretty small, and no
reason to hold off.
I have one TTM regression fix (fixes bochs-vga in qemu) sitting
locally awaiting review I'll probably send that in a separate pull
request tomorrow"
* tag 'drm-for-v4.15-part2' of git://people.freedesktop.org/~airlied/linux: (33 commits)
dt-bindings: remove file that was added accidentally
drm/edid: quirk HTC vive headset as non-desktop. [v2]
drm/fb: add support for not enabling fbcon on non-desktop displays [v2]
drm: add connector info/property for non-desktop displays [v2]
drm/amdgpu: fix rmmod KCQ disable failed error
drm/amdgpu: fix kernel hang when starting VNC server
drm/amdgpu: don't skip attributes when powerplay is enabled
drm/amd/pp: fix typecast error in powerplay.
drm/tilcdc: Remove obsolete "ti,tilcdc,slave" dts binding support
drm/tegra: sor: Reimplement pad clock
Revert "drm/radeon: dont switch vt on suspend"
drm/amd/amdgpu: fix over-bound accessing in amdgpu_cs_wait_any_fence
drm/amd/powerplay: fix unfreeze level smc message for smu7
drm/amdgpu:fix memleak
drm/amdgpu:fix memleak in takedown
drm/amd/pp: fix dpm randomly failed on Vega10
drm/amdgpu: set f_mapping on exported DMA-bufs
drm/amdgpu: Properly allocate VM invalidate eng v2
drm/fsl-dcu: enable IRQ before drm_atomic_helper_resume()
drm/fsl-dcu: avoid disabling pixel clock twice on suspend
...
4.15 merge window fixes 1
* tag 'drm-misc-fixes-2017-11-20' of git://anongit.freedesktop.org/drm/drm-misc:
drm/edid: Don't send non-zero YQ in AVI infoframe for HDMI 1.x sinks
drm/vc4: Account for interrupts in flight
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Merge tag 'drm-intel-next-fixes-2017-11-23' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
drm/i915 fixes for v4.15
* tag 'drm-intel-next-fixes-2017-11-23' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915: Fix init_clock_gating for resume
drm/i915: Mark the userptr invalidate workqueue as WQ_MEM_RECLAIM
drm/i915: Clear breadcrumb node when cancelling signaling
drm/i915/gvt: ensure -ve return value is handled correctly
drm/i915: Re-register PMIC bus access notifier on runtime resume
drm/i915: Fix false-positive assert_rpm_wakelock_held in i915_pmic_bus_access_notifier v2
Fix crtc_id in page_flip event.
* tag 'drm-misc-next-fixes-2017-11-23' of git://anongit.freedesktop.org/drm/drm-misc:
drm/vblank: Pass crtc_id to page_flip_ioctl.
We added crtc_id to the atomic ioctl, but forgot to add it for vblank
and page flip events. Commit bd386e5180 ("drm: Reorganize
drm_pending_event to support future event types [v2]") added it to
the vblank event, but page flip event was still missing.
Correct this and add a test for making sure we always set crtc_id correctly.
Fixes: bd386e5180 ("drm: Reorganize drm_pending_event to support future event types [v2]")
Fixes: 5db06a8a98 ("drm: Pass CRTC ID in userspace vblank events")
Cc: Daniel Stone <daniels@collabora.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v4.12+
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> #irc
Testcase: igt/kms_vblank/crtc_id
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171123103737.47138-1-maarten.lankhorst@linux.intel.com
This uses the EDID info from my HTC Vive to mark it as
non-desktop.
v2: Change description from non-standard to non-desktop
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
We don't want fbcon to get used on non-desktop dislays,
don't pass them as enabled connectors to the fb helper setup.
This prevents my HMD from getting disorted fbcon, and from
affecting other displays console.
v2: Change description from non-standard to non-desktop
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This adds the infrastructure needed to quirk displays
using edid and to mark them a non-desktop.
A non-desktop display is one which shouldn't normally be included
as a part of a desktop environment.
This is meant to cover head mounted devices like HTC Vive.
v2: Change description from non-standard to non-desktop, add docs
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
fixup docs
more misc amdgpu fixes.
* 'drm-next-4.15' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: fix rmmod KCQ disable failed error
drm/amdgpu: fix kernel hang when starting VNC server
drm/amdgpu: don't skip attributes when powerplay is enabled
drm/amd/pp: fix typecast error in powerplay.
Revert "drm/radeon: dont switch vt on suspend"
drm/amd/amdgpu: fix over-bound accessing in amdgpu_cs_wait_any_fence
drm/amd/powerplay: fix unfreeze level smc message for smu7
drm/amdgpu:fix memleak
drm/amdgpu:fix memleak in takedown
- Switch to drm_*_get/put() helpers
- Use correct parallel-display connector enum: DPI instead of VGA
- Remove incorrect unit name from device tree binding documentation example
- Remove an unused variable
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Merge tag 'imx-drm-next-2017-10-18' of git://git.pengutronix.de/git/pza/linux into drm-next
drm/imx: various cleanups
- Switch to drm_*_get/put() helpers
- Use correct parallel-display connector enum: DPI instead of VGA
- Remove incorrect unit name from device tree binding documentation example
- Remove an unused variable
* tag 'imx-drm-next-2017-10-18' of git://git.pengutronix.de/git/pza/linux:
gpu: ipu-v3: ipu-dc: Remove unused 'di' variable
dt-bindings: fsl-imx-drm: Remove incorrect "@di0" usage
drm/imx: parallel-display: use correct connector enum
drm/imx: switch to drm_*_get(), drm_*_put() helpers
This includes an update to the SOR pad clock programming needed because
of some changes that went in through the clock tree.
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Merge tag 'drm/tegra/for-4.15-rc1-fixes' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Fixes for v4.15-rc1
This includes an update to the SOR pad clock programming needed because
of some changes that went in through the clock tree.
* tag 'drm/tegra/for-4.15-rc1-fixes' of git://anongit.freedesktop.org/tegra/linux:
drm/tegra: sor: Reimplement pad clock
This mechanically converts all remaining cases of ancient open-coded timer
setup with the old setup_timer() API, which is the first step in timer
conversions. This has no behavioral changes, since it ultimately just
changes the order of assignment to fields of struct timer_list when
finding variations of:
init_timer(&t);
f.function = timer_callback;
t.data = timer_callback_arg;
to be converted into:
setup_timer(&t, timer_callback, timer_callback_arg);
The conversion is done with the following Coccinelle script, which
is an improved version of scripts/cocci/api/setup_timer.cocci, in the
following ways:
- assignments-before-init_timer() cases
- limit the .data case removal to the specific struct timer_list instance
- handling calls by dereference (timer->field vs timer.field)
spatch --very-quiet --all-includes --include-headers \
-I ./arch/x86/include -I ./arch/x86/include/generated \
-I ./include -I ./arch/x86/include/uapi \
-I ./arch/x86/include/generated/uapi -I ./include/uapi \
-I ./include/generated/uapi --include ./include/linux/kconfig.h \
--dir . \
--cocci-file ~/src/data/setup_timer.cocci
@fix_address_of@
expression e;
@@
init_timer(
-&(e)
+&e
, ...)
// Match the common cases first to avoid Coccinelle parsing loops with
// "... when" clauses.
@match_immediate_function_data_after_init_timer@
expression e, func, da;
@@
-init_timer
+setup_timer
( \(&e\|e\)
+, func, da
);
(
-\(e.function\|e->function\) = func;
-\(e.data\|e->data\) = da;
|
-\(e.data\|e->data\) = da;
-\(e.function\|e->function\) = func;
)
@match_immediate_function_data_before_init_timer@
expression e, func, da;
@@
(
-\(e.function\|e->function\) = func;
-\(e.data\|e->data\) = da;
|
-\(e.data\|e->data\) = da;
-\(e.function\|e->function\) = func;
)
-init_timer
+setup_timer
( \(&e\|e\)
+, func, da
);
@match_function_and_data_after_init_timer@
expression e, e2, e3, e4, e5, func, da;
@@
-init_timer
+setup_timer
( \(&e\|e\)
+, func, da
);
... when != func = e2
when != da = e3
(
-e.function = func;
... when != da = e4
-e.data = da;
|
-e->function = func;
... when != da = e4
-e->data = da;
|
-e.data = da;
... when != func = e5
-e.function = func;
|
-e->data = da;
... when != func = e5
-e->function = func;
)
@match_function_and_data_before_init_timer@
expression e, e2, e3, e4, e5, func, da;
@@
(
-e.function = func;
... when != da = e4
-e.data = da;
|
-e->function = func;
... when != da = e4
-e->data = da;
|
-e.data = da;
... when != func = e5
-e.function = func;
|
-e->data = da;
... when != func = e5
-e->function = func;
)
... when != func = e2
when != da = e3
-init_timer
+setup_timer
( \(&e\|e\)
+, func, da
);
@r1 exists@
expression t;
identifier f;
position p;
@@
f(...) { ... when any
init_timer@p(\(&t\|t\))
... when any
}
@r2 exists@
expression r1.t;
identifier g != r1.f;
expression e8;
@@
g(...) { ... when any
\(t.data\|t->data\) = e8
... when any
}
// It is dangerous to use setup_timer if data field is initialized
// in another function.
@script:python depends on r2@
p << r1.p;
@@
cocci.include_match(False)
@r3@
expression r1.t, func, e7;
position r1.p;
@@
(
-init_timer@p(&t);
+setup_timer(&t, func, 0UL);
... when != func = e7
-t.function = func;
|
-t.function = func;
... when != func = e7
-init_timer@p(&t);
+setup_timer(&t, func, 0UL);
|
-init_timer@p(t);
+setup_timer(t, func, 0UL);
... when != func = e7
-t->function = func;
|
-t->function = func;
... when != func = e7
-init_timer@p(t);
+setup_timer(t, func, 0UL);
)
Signed-off-by: Kees Cook <keescook@chromium.org>
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Eric Anholt <eric@anholt.net>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20171024151648.GA104538@beast
Reviewed-by: Eric Anholt <eric@anholt.net>
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
If gfx_v8_0_hw_fini is called after amdgpu_ucode_fini_bo, we will
hit KCQ disabled failed. Let amdgpu_ucode_fini_bo run after
gfx_v8_0_hw_fini.
BUG: SWDEV-135547
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Wang Hongcheng <Annie.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
After starting VNC server or running CTS test, kernel will hang and
can see below call trace:
[961816] INFO: task khugepaged:42 blocked for more than 120 seconds.
[968581] Tainted: G OE 4.13.0 #1
[973495] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[980962] khugepaged D 0 42 2 0x00000000
[980967] Call Trace:
[980977] __schedule+0x28d/0x890
[980982] schedule+0x36/0x80
[980986] rwsem_down_read_failed+0x139/0x1c0
[980991] ? update_curr+0x100/0x1c0
[981004] call_rwsem_down_read_failed+0x18/0x30
[981007] down_read+0x20/0x40
[981012] khugepaged_scan_mm_slot+0x78/0x1ac0
[981018] ? __switch_to+0x23e/0x4a0
[981022] ? finish_task_switch+0x79/0x240
[981026] khugepaged+0x146/0x480
[981031] ? remove_wait_queue+0x60/0x60
[981035] kthread+0x109/0x140
[981037] ? khugepaged_scan_mm_slot+0x1ac0/0x1ac0
[981039] ? kthread_park+0x60/0x60
[981044] ret_from_fork+0x25/0x30
After checking code and found 'commit b72cf4fca2 ("drm/amdgpu: move
taking mmap_sem into get_user_pages v2")' forget to drop one case of
up_read.
Signed-off-by: Xiangliang.Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Moving the init_clock_gating() call from intel_modeset_init_hw() to
intel_modeset_gem_init() had an unintended effect of not applying
some workarounds on resume. This, for example, cause some kind of
corruption to appear at the top of my IVB Thinkpad X1 Carbon LVDS
screen after hibernation. Fix the problem by explicitly calling
init_clock_gating() from the resume path.
I really hope this doesn't break something else again. At least
the problems reported at https://bugs.freedesktop.org/show_bug.cgi?id=103549
didn't make a comeback, even after a hibernate cycle.
v2: Reorder the init_clock_gating vs. modeset_init_hw to match
the display reset path (Rodrigo)
Cc: stable@vger.kernel.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Fixes: 6ac4327276 ("drm/i915: Move init_clock_gating() back to where it was")
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171116160215.25715-1-ville.syrjala@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit 675f7ff35b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
When we call intel_engine_cancel_signaling() to stop reporting when
a request is completed via an asynchronous signal, we remove that request
from the breadcrumb wait queue. However, we may be concurrently
processing that request in the signaler itself, the actual operations on
the request's node itself are serialised but we do not actually clear the
waiter after removing it from the tree allowing both parties to attempt
to do so and corrupting the rbtree. (Previously removing from the
breadcrumb wait queue could only be done on behalf of i915_wait_request,
so this race could not happen).
Reported-by: "He, Bo" <bo.he@intel.com>
Fixes: 9eb143bbec ("drm/i915: Allow a request to be cancelled")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: "He, Bo" <bo.he@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171115121458.24655-1-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
(cherry picked from commit c534612e78)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
An earlier fix changed the return type from find_bb_size however the
integer return is being assigned to a unsigned int so the -ve error
check will never be detected. Make bb_size an int to fix this.
Detected by CoverityScan CID#1456886 ("Unsigned compared against 0")
Fixes: 1e3197d6ad ("drm/i915/gvt: Refine error handling for perform_bb_shadow")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
(cherry picked from commit 24f8a29af4)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
intel_uncore_suspend() unregisters the uncore code's PMIC bus access
notifier and gets called on both normal and runtime suspend.
intel_uncore_resume_early() re-registers the notifier, but only on
normal resume. Add a new intel_uncore_runtime_resume() function which
only re-registers the notifier and call that on runtime resume.
Cc: stable@vger.kernel.org
Reported-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171114135518.15981-2-hdegoede@redhat.com
(cherry picked from commit bedf4d79c3)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
assert_rpm_wakelock_held is triggered from i915_pmic_bus_access_notifier
even though it gets unregistered on (runtime) suspend, this is caused
by a race happening under the following circumstances:
intel_runtime_pm_put does:
atomic_dec(&dev_priv->pm.wakeref_count);
pm_runtime_mark_last_busy(kdev);
pm_runtime_put_autosuspend(kdev);
And pm_runtime_put_autosuspend calls intel_runtime_suspend from
a workqueue, so there is ample of time between the atomic_dec() and
intel_runtime_suspend() unregistering the notifier. If the notifier
gets called in this windowd assert_rpm_wakelock_held falsely triggers
(at this point we're not runtime-suspended yet).
This commit adds disable_rpm_wakeref_asserts and
enable_rpm_wakeref_asserts calls around the
intel_uncore_forcewake_get(FORCEWAKE_ALL) call in
i915_pmic_bus_access_notifier fixing the false-positive WARN_ON.
Changes in v2:
-Reword comment explaining why disabling the wakeref asserts is
ok and necessary
Cc: stable@vger.kernel.org
Reported-by: FKr <bugs-freedesktop@ubermail.me>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171110150301.9601-2-hdegoede@redhat.com
(cherry picked from commit ce30560c80)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The function checks non-powerplay structures so regressed when
the pp_enabled check was removed. This should ideally be
implemented similarly for powerplay.
Fixes: 6d07fe7bca ("drm/amdgpu: delete pp_enable in adev")
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
resulted in unexpected data truncation
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>
Cc: stable@vger.kernel.org
