HDMI-PHY clock should be accessible from other components in the pipeline.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
- device tree binding documentation for all MT8173 display
subsystem components
- basic mediatek-drm driver for MT8173 with two optional,
currently fixed output paths:
- DSI encoder support for DSI and (via bridge) eDP panels
- DPI encoder support for output to HDMI bridge
- necessary clock tree changes for the DPI->HDMI path
- export mtk-smi functions used by mediatek-drm
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Merge tag 'mediatek-drm-2016-05-09' of git://git.pengutronix.de/git/pza/linux into drm-next
MT8173 DRM support
- device tree binding documentation for all MT8173 display
subsystem components
- basic mediatek-drm driver for MT8173 with two optional,
currently fixed output paths:
- DSI encoder support for DSI and (via bridge) eDP panels
- DPI encoder support for output to HDMI bridge
- necessary clock tree changes for the DPI->HDMI path
- export mtk-smi functions used by mediatek-drm
* tag 'mediatek-drm-2016-05-09' of git://git.pengutronix.de/git/pza/linux:
clk: mediatek: remove hdmitx_dig_cts from TOP clocks
clk: mediatek: Add hdmi_ref HDMI PHY PLL reference clock output
clk: mediatek: make dpi0_sel propagate rate changes
drm/mediatek: Add DPI sub driver
drm/mediatek: Add DSI sub driver
drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.
dt-bindings: drm/mediatek: Add Mediatek display subsystem dts binding
memory: mtk-smi: export mtk_smi_larb_get/put
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Merge tag 'v4.6-rc7' into drm-next
Merge this back as we've built up a fair few conflicts, and I have
some newer trees to pull in.
Refcounting is hard, so here's a quick pull request with the one-liner to
fix up i915. Otherwise just a few other small things I picked up. Plus the
regression fix from Marten for rmfb behaviour that lingered around forever
since no testers. Feel free to cherry-pick that over to drm-fixes, but
given that there's not many who seemed to have cared, meh.
* tag 'topic/drm-misc-2016-05-08' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Correctly refcount connectors in hw state readou
drm/panel: Flesh out kerneldoc
drm: Add gpu.tmpl docbook to MAINTAINERS entry
drm/core: Do not preserve framebuffer on rmfb, v4.
drm: Fix up markup fumble
drm/fb_helper: Fix a few typos
The load/unload drm_driver ops are deprecated. They should be removed as
they result in creation of devices visible to userspace even before
the drm_device is registered.
Drop these ops and use drm_dev_alloc/register and drm_dev_unregister/unref
to explicitly create and destroy the drm device in the msm platform
driver's bind and unbind ops. With this in use, the drm connectors are
only registered once the drm_device is registered.
It also fixes the issue of stray debugfs files after the msm module is
removed. With this, all the debugfs files are removed, and allows
successive module insertions/removals.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Move the drm_connector registration from the encoder(HDMI/DSI etc) drivers
to the msm platform driver. This will simplify the task of ensuring that
the connectors are registered only after the drm_device itself is
registered.
The connectors' destroy ops are made to use kzalloc instead of
devm_kzalloc to ensure that that the connectors can be successfully
unregistered when the msm driver module is removed. The memory for the
connectors is unallocated when drm_mode_config_cleanup() is called
during either during an error or during driver remove.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Calling the legacy gpio_free on an invalid GPIO (a GPIO numbered -1)
results in kernel warnings. This causes a lot of backtraces when
we try to unload the drm/msm module.
Call gpio_free only on valid GPIOs.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Track the pid per submit, so we can print the name of the task which
submitted the batch that caused the gpu to hang.
Signed-off-by: Rob Clark <robdclark@gmail.com>
At this point, there is nothing left to fail. And submit already has a
fence assigned and is added to the submit_list. Any problems from here
on out are asynchronous (ie. hangcheck/recovery).
Signed-off-by: Rob Clark <robdclark@gmail.com>
The MDP4 driver tries to request and set voltages for regulators required
by the DSI PLLs.
Firstly, the MDP4 driver shouldn't manage the DSI regulators, this should
be handled in the DSI driver. Secondly, it shouldn't try to set a fixed
voltage for regulators. Voltage constraints should be specified on the
regulator via DT and managed by the regulator core.
Remove all the DSI PLL regulator related code from the MDP4 driver. It's
managed in the DSI driver for MSM8960/APQ8064 already.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
The eDP driver tries to set a fixed voltage for one of its regulators(vdda)
before enabling it. This shouldn't be done by the driver, the voltage
constraints should be specified on the regulator via DT and managed by
the regulator core. A driver should call regulator_set_voltage only if
it needs to change the voltage during runtime. Drop the
regulator_set_voltage call. Mention in a comment the voltage that the
regulator expects.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
The voltage changing code in this driver is broken and should be
removed. The driver sets a single, exact voltage on probe. Unless
there is a very good reason for this (which should be documented in
comments) constraints like this need to be set via the machine
constraints, voltage setting in a driver is expected to be used in cases
where the voltage varies at runtime.
In addition client drivers should almost never be calling
regulator_can_set_voltage(), if the device needs to set a voltage it
needs to set the voltage and the regulator core will handle the case
where the regulator is fixed voltage. If the driver simply skips
setting the voltage if it doesn't have permission then it should just
not bother in the first place.
Originally authored by Mark Brown <broonie@kernel.org>
Remove the min/max voltage data entries per SoC managed by the driver.
These aren't needed as we don't try to set voltages any more. Mention in
comments the voltages that each regulator expects.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Here, a location is reset to NULL before being passed to PTR_ERR.
So, PTR_ERR should be called before its argument is reassigned
to NULL. Further to simplify things use PTR_ERR_OR_ZERO instead
of PTR_ERR and IS_ERR.
Problem found using Coccinelle.
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
[fixed fmt string warning (s/%ld/%d/)]
Signed-off-by: Rob Clark <robdclark@gmail.com>
Android needs XBGR8888 format. Add all the missing 32-bpp formats
without alpha for completeness.
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
A recent cleanup removed the only user of the 'kms' variable in
msm_preclose(), causing a harmless compiler warning:
drivers/gpu/drm/msm/msm_drv.c: In function 'msm_preclose':
drivers/gpu/drm/msm/msm_drv.c:468:18: error: unused variable 'kms' [-Werror=unused-variable]
This removes the variable as well.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 4016260ba4 ("drm/msm: fix bug after preclose removal")
Signed-off-by: Rob Clark <robdclark@gmail.com>
It is no longer true that we discard all in-flight submits on recover
(these days we only discard the first one that hung). After the first
re-submitted batch completes it would overwrite the fence with a correct
value, but there would be a window of time which showed all re-submitted
batches as already complete.
Signed-off-by: Rob Clark <robdclark@gmail.com>
This was only used for atomic commit these days. So instead just give
atomic it's own work-queue where we can do a block on each bo in turn.
Simplifies things a whole bunch and makes the 'struct fence' conversion
easier.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Better encapsulate the per-timeline stuff into fence-context. For now
there is just a single fence-context, but eventually we'll also have one
per-CRTC to enable fully explicit fencing.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Split up locking and pinning buffers in the submit path. This is needed
because we'll want to insert fencing in between the two steps.
This makes things end up looking more similar to etnaviv submit code
(which was originally modelled on the msm code but has already added
'struct fence' support).
Signed-off-by: Rob Clark <robdclark@gmail.com>
Since we already track the array of bo's in the submit object, just
unconditionally take and drop ref's per submit (rather than only taking
ref's if bo is not already active). This simplifies later patches.
Signed-off-by: Rob Clark <robdclark@gmail.com>
In the atomic modesetting path, each driver simply wants to grab a ref
to the exclusive fence from a reservation object to store in the incoming
drm_plane_state, without doing the whole RCU dance. Since each driver
will need to do this, lets make a helper.
v2: rename to _rcu instead of _unlocked to be more consistent
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Here are 3 small fixes for some driver problems that were reported.
Full details in the shortlog below.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull misc driver fixes from Gfreg KH:
"Here are three small fixes for some driver problems that were
reported. Full details in the shortlog below.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
nvmem: mxs-ocotp: fix buffer overflow in read
Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()
misc: mic: Fix for double fetch security bug in VOP driver
Well, it's really just IIO drivers here, some small fixes that resolve
some "crash on boot" errors that have shown up in the -rc series, and
other bugfixes that are required.
All have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO driver fixes from Grek KH:
"It's really just IIO drivers here, some small fixes that resolve some
'crash on boot' errors that have shown up in the -rc series, and other
bugfixes that are required.
All have been in linux-next with no reported problems"
* tag 'staging-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: imu: mpu6050: Fix name/chip_id when using ACPI
iio: imu: mpu6050: fix possible NULL dereferences
iio:adc:at91-sama5d2: Repair crash on module removal
iio: ak8975: fix maybe-uninitialized warning
iio: ak8975: Fix NULL pointer exception on early interrupt
Here are some last-remaining fixes for USB drivers to resolve issues
that have shown up in testing. And 2 new device ids as well.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some last-remaining fixes for USB drivers to resolve issues
that have shown up in testing. And two new device ids as well.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
Revert "USB / PM: Allow USB devices to remain runtime-suspended when sleeping"
usb: musb: jz4740: fix error check of usb_get_phy()
Revert "usb: musb: musb_host: Enable HCD_BH flag to handle urb return in bottom half"
usb: musb: gadget: nuke endpoint before setting its descriptor to NULL
USB: serial: cp210x: add Straizona Focusers device ids
USB: serial: cp210x: add ID for Link ECU
Pull ARM fixes from Russell King:
"These are a number of updates to fix a few problems found in the ARM
nommu code over the last couple of years, caused mostly by changes on
the mmu side"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8573/1: domain: move {set,get}_domain under config guard
ARM: 8572/1: nommu: change memory reserve for the vectors
ARM: 8571/1: nommu: fix PMSAv7 setup
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Merge tag 'media/v4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- deadlock fixes on driver probe at exynos4-is and s43-camif drivers
- a build breakage if media controller is enabled and USB or PCI is
built as module.
* tag 'media/v4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] media-device: fix builds when USB or PCI is compiled as module
[media] media: s3c-camif: fix deadlock on driver probe()
[media] media: exynos4-is: fix deadlock on driver probe
Pull libata fixes from Tejun Heo:
"An ahci driver addition and updates to ahci port enable handling for
some platform devices"
* 'for-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ata: add AMD Seattle platform driver
ARM: dts: apq8064: add ahci ports-implemented mask
ata: ahci-platform: Add ports-implemented DT bindings.
libahci: save port map for forced port map
Pull writeback fix from Jens Axboe:
"Just a single fix for domain aware writeback, fixing a regression that
can cause balance_dirty_pages() to keep looping while not getting any
work done"
* 'for-linus' of git://git.kernel.dk/linux-block:
writeback: Fix performance regression in wb_over_bg_thresh()
Pull x86 fixes from Ingo Molnar:
"This contains two fixes: a boot fix for older SGI/UV systems, and an
APIC calibration fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tsc: Read all ratio bits from MSR_PLATFORM_INFO
x86/platform/UV: Bring back the call to map_low_mmrs in uv_system_init
- Fix for a recent regression in the intel_pstate driver causing
it to fail to restore the HWP (HW-managed P-states) configuration
of the boot CPU after suspend-to-RAM (Rafael Wysocki).
- Fix for two recent regressions in the intel_pstate driver, one
that can trigger a divide by zero if the driver is accessed via
sysfs before it manages to take the first sample and one causing
it to fail to update a structure field used in a trace point, so
the information coming from it is less useful (Rafael Wysocki).
- Fix for a problem in the sti-cpufreq driver introduced during
the 4.5 cycle that causes it to break CPU PM in multi-platform
kernels by registering cpufreq-dt (which subsequently doesn't
work) unconditionally and preventing the driver that would
actually work from registering (Sudeep Holla).
- Stable-candidate fix for an ARM64 cpuidle issue causing idle
state usage counters to be incorrectly updated for idle states
that were not entered due to errors (James Morse).
- Fix for a recently introduced issue in the OPP (Operating
Performance Points) framework causing it to print bogus error
messages for missing optional regulators (Viresh Kumar).
- Fix for a recently introduced issue in the generic device
properties framework that may cause it to attempt to dereferece
and invalid pointer in some cases (Heikki Krogerus).
- Fix for a deadlock in the ACPICA core that may be triggered
by device (eg. Thunderbolt) hotplug (Prarit Bhargava).
/
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Merge tag 'pm+acpi-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"Fixes for problems introduced or discovered recently (intel_pstate,
sti-cpufreq, ARM64 cpuidle, Operating Performance Points framework,
generic device properties framework) and one fix for a hotplug-related
deadlock in ACPICA that's been there forever, but is nasty enough.
Specifics:
- Fix for a recent regression in the intel_pstate driver causing it
to fail to restore the HWP (HW-managed P-states) configuration of
the boot CPU after suspend-to-RAM (Rafael Wysocki).
- Fix for two recent regressions in the intel_pstate driver, one that
can trigger a divide by zero if the driver is accessed via sysfs
before it manages to take the first sample and one causing it to
fail to update a structure field used in a trace point, so the
information coming from it is less useful (Rafael Wysocki).
- Fix for a problem in the sti-cpufreq driver introduced during the
4.5 cycle that causes it to break CPU PM in multi-platform kernels
by registering cpufreq-dt (which subsequently doesn't work)
unconditionally and preventing the driver that would actually work
from registering (Sudeep Holla).
- Stable-candidate fix for an ARM64 cpuidle issue causing idle state
usage counters to be incorrectly updated for idle states that were
not entered due to errors (James Morse).
- Fix for a recently introduced issue in the OPP (Operating
Performance Points) framework causing it to print bogus error
messages for missing optional regulators (Viresh Kumar).
- Fix for a recently introduced issue in the generic device
properties framework that may cause it to attempt to dereferece and
invalid pointer in some cases (Heikki Krogerus).
- Fix for a deadlock in the ACPICA core that may be triggered by
device (eg Thunderbolt) hotplug (Prarit Bhargava)"
* tag 'pm+acpi-4.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / OPP: Remove useless check
ACPICA: Dispatcher: Update thread ID for recursive method calls
intel_pstate: Fix intel_pstate_get()
cpufreq: intel_pstate: Fix HWP on boot CPU after system resume
cpufreq: st: enable selective initialization based on the platform
ARM: cpuidle: Pass on arm_cpuidle_suspend()'s return value
device property: Avoid potential dereferences of invalid pointers
Pull scheduler fix from Ingo Molnar:
"This contains a single fix that fixes a nohz tick stopping bug when
mixed-poliocy SCHED_FIFO and SCHED_RR tasks are present on a runqueue"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
nohz/full, sched/rt: Fix missed tick-reenabling bug in sched_can_stop_tick()
Pull perf fixes from Ingo Molnar:
"This tree contains two fixes: new Intel CPU model numbers and an
AMD/iommu uncore PMU driver fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/amd/iommu: Do not register a task ctx for uncore like PMUs
perf/x86: Add model numbers for Kabylake CPUs
Pull EFI fixes from Ingo Molnar:
"This tree contains three fixes: a console spam fix, a file pattern fix
and a sysfb_efi fix for a bug that triggered on older ThinkPads"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sysfb_efi: Fix valid BAR address range check
x86/efi-bgrt: Switch all pr_err() to pr_notice() for invalid BGRT
MAINTAINERS: Remove asterisk from EFI directory names
Pull parisc fix from Helge Deller:
"Patch from Dmitry V Levin to fix a kernel crash when a straced process
calls the (invalid) syscall which is equal to value of __NR_Linux_syscalls"
* 'parisc-4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: fix a bug when syscall number of tracee is __NR_Linux_syscalls
- Fix for PTE truncation in PAE40 builds
- Fix for big endian IO accessors lacking IO barrier
- Allow HIGHMEM to work with low physical addresses
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Merge tag 'arc-4.6-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Late in the cycle, but this has fixes for couple of issues: a PAE40
boot crash and Arnd spotting lack of barriers in BE io-accessors.
The 3rd patch for enabling highmem in low physical mem ;-) honestly is
more than a "fix" but its been in works for some time, seems to be
stable in testing and enables 2 of our customers to go forward with
4.6 kernel.
- Fix for PTE truncation in PAE40 builds
- Fix for big endian IO accessors lacking IO barrier
- Allow HIGHMEM to work with low physical addresses"
* tag 'arc-4.6-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: support HIGHMEM even without PAE40
ARC: Fix PAE40 boot failures due to PTE truncation
ARC: Add missing io barriers to io{read,write}{16,32}be()
- Fix bad inline asm constraint in create_zero_mask() from Anton Blanchard
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Merge tag 'powerpc-4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
"Fix bad inline asm constraint in create_zero_mask() from Anton
Blanchard"
* tag 'powerpc-4.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc: Fix bad inline asm constraint in create_zero_mask()
Pull drm fixes from Dave Airlie:
"Fixes for i915, amdgpu/radeon and imx.
The IMX fix is for an autoloading regression found in Fedora. The
radeon fixes, are the same fix to amdgpu/radeon to avoid a hardware
lockup in some circumstances with a bad mode, and a double free bug I
took a few hours chasing down the other morning.
The i915 fixes are across the board, all stable material, and fixing
some hangs and suspend/resume issues, along with a live status
regressions"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading
drm/amdgpu: make sure vertical front porch is at least 1
drm/radeon: make sure vertical front porch is at least 1
drm/amdgpu: set metadata pointer to NULL after freeing.
drm/i915: Make RPS EI/thresholds multiple of 25 on SNB-BDW
drm/i915: Fake HDMI live status
drm/i915: Fix eDP low vswing for Broadwell
drm/i915/ddi: Fix eDP VDD handling during booting and suspend/resume
drm/i915: Fix system resume if PCI device remained enabled
drm/i915: Avoid stalling on pending flips for legacy cursor updates
The hdmitx_dig_cts clock signal is not a child of tvdpll_445p5m,
but is routed out of the HDMI PHY module.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
