We need to get folks to run
$ make htmldocs
more often and actually check the output. With the fancy new sphinx
stuff there's hopefully no more excuses.
Fixes: 286dbb8d5d ("drm/atomic: Rename async parameter to nonblocking.")
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464729075-22243-4-git-send-email-daniel.vetter@ffwll.ch
Apparently not everyone has been super dutiful with updating this
stuff.
I still decided to leave out the documentation for all the *_property
pointers we have in drm_mode_config.
v2: Feedback from Liviu.
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Move the contents of the video/omapdss.h header file to omapdrm/dss local
header file and remove the original global header. The omapfb stach is
using video/omapfb_dss.h so this change will complete the separation of the
two driver implementation.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Copy the content of video/omapdss.h to a new (video/omapfb_dss.h) header
file and convert the omapfb drivers to use this new file.
The new header file is needed to complete the separation of omapdrm and
omapfb implementation of DSS.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
All drivers to include the omapdrm/dss/omapdss.h header file. This header
includes the <video/omapdss.h>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Clean up the header files regarding to hdmi audio so the omap-hdmi-audio.h
file will only need to include the platform_data/omapdss.h file.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
CC: Mark Brown <broonie@kernel.org>
CC: Jyri Sarha <jsarha@ti.com>
CC: Liam Girdwood <liam.r.girdwood@linux.intel.com>
The num_devices, **devices and *default_device is leftover from the past.
They can be removed as they are no used.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The default_device is no longer used, it is a leftower from legacy. The
else if (pdata->default_device) is always going to be false.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The default_device is no longer used, it is a leftower from legacy. The
else if (pdata->default_device) is always going to be false.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The driver only supports composite connection when booted in legacy mode
so the omap_dss_venc_type can be dropped from the pdata.
At the same time the video/omapdss.h include can be removed as it is no
longer needed.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
In legacy mode (non DT mode) support only composite connector type. The
only user for this is rx51, using composite type.
Dropping the connector_type selection via pdata will allow cleanups in
omapdss (drm vs fbdev).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
In legacy mode (non DT mode) support only composite connector type. The
only user for this is rx51, using composite type.
Dropping the connector_type selection via pdata will allow cleanups in
omapdss (drm vs fbdev).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Some panel/encoder/connector driver includes omap-panel-data.h but they
do not need it. Remove the inclusion of video/omap-panel-data.h from these
drivers.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
The panel is not used by any legacy board files so the legacy (pdata) boot
support can be dropped.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
- A number of embarassing buglets (GICv3, PIC32)
- A more substential errata workaround for Cavium's GICv3 ITS
(kept for post-rc1 due to its dependency on NUMA)
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Merge tag 'irqchip-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Merge irqchip updates from Marc Zyngier:
- A number of embarassing buglets (GICv3, PIC32)
- A more substential errata workaround for Cavium's GICv3 ITS
(kept for post-rc1 due to its dependency on NUMA)
Instead of the full omapdss internal header, include only the platform_data
header.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
The omap_display_init() is implemented in the mach-omap2/display.c so the
declaration should have been there as well.
Change the board files to include display.h to avoid build breakage at the
same time.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
OMAP_DSS_VENC_TYPE_COMPOSITE is 0. There is no need to explicitly set the
connector_type.
This change is needed for the omapdss header cleanup.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
With ARM64_64K_PAGES and RANDOMIZE_TEXT_OFFSET enabled, we hit the
following issue on the boot:
kernel BUG at arch/arm64/mm/mmu.c:480!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 4.6.0 #310
Hardware name: ARM Juno development board (r2) (DT)
task: ffff000008d58a80 ti: ffff000008d30000 task.ti: ffff000008d30000
PC is at map_kernel_segment+0x44/0xb0
LR is at paging_init+0x84/0x5b0
pc : [<ffff000008c450b4>] lr : [<ffff000008c451a4>] pstate: 600002c5
Call trace:
[<ffff000008c450b4>] map_kernel_segment+0x44/0xb0
[<ffff000008c451a4>] paging_init+0x84/0x5b0
[<ffff000008c42728>] setup_arch+0x198/0x534
[<ffff000008c40848>] start_kernel+0x70/0x388
[<ffff000008c401bc>] __primary_switched+0x30/0x74
Commit 7eb90f2ff7 ("arm64: cover the .head.text section in the .text
segment mapping") removed the alignment between the .head.text and .text
sections, and used the _text rather than the _stext interval for mapping
the .text segment.
Prior to this commit _stext was always section aligned and didn't cause
any issue even when RANDOMIZE_TEXT_OFFSET was enabled. Since that
alignment has been removed and _text is used to map the .text segment,
we need ensure _text is always page aligned when RANDOMIZE_TEXT_OFFSET
is enabled.
This patch adds logic to TEXT_OFFSET fuzzing to ensure that the offset
is always aligned to the kernel page size. To ensure this, we rely on
the PAGE_SHIFT being available via Kconfig.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Fixes: 7eb90f2ff7 ("arm64: cover the .head.text section in the .text segment mapping")
Signed-off-by: Will Deacon <will.deacon@arm.com>
In some cases (e.g. the awk for CONFIG_RANDOMIZE_TEXT_OFFSET) we would
like to make use of PAGE_SHIFT outside of code that can include the
usual header files.
Add a new CONFIG_ARM64_PAGE_SHIFT for this, likewise with
ARM64_CONT_SHIFT for consistency.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
The page table dump code logs spans of entries at the same level
(pgd/pud/pmd/pte) which have the same attributes. While we log the
(decoded) attributes, we don't log the level, which leaves the output
ambiguous and/or confusing in some cases.
For example:
0xffff800800000000-0xffff800980000000 6G RW NX SHD AF BLK UXN MEM/NORMAL
If using 4K pages, this may describe a span of 6 1G block entries at the
PGD/PUD level, or 3072 2M block entries at the PMD level.
This patch adds the page table level to each output line, removing this
ambiguity. For the example above, this will produce:
0xffffffc800000000-0xffffffc980000000 6G PUD RW NX SHD AF BLK UXN MEM/NORMAL
When 3 level tables are in use, and we use the asm-generic/nopud.h
definitions, the dump code treats each entry in the PGD as a 1 element
table at the PUD level, and logs spans as being PUDs, which can be
confusing. To counteract this, the "PUD" mnemonic is replaced with "PGD"
when CONFIG_PGTABLE_LEVELS <= 3. Likewise for "PMD" when
CONFIG_PGTABLE_LEVELS <= 2.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Huang Shijie <shijie.huang@arm.com>
Cc: Laura Abbott <labbott@fedoraproject.org>
Cc: Steve Capper <steve.capper@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Commit ab893fb9f1 ("arm64: introduce KIMAGE_VADDR as the virtual
base of the kernel region") logically split KIMAGE_VADDR from
PAGE_OFFSET, and since commit f9040773b7 ("arm64: move kernel
image to base of vmalloc area") the two have been distinct values.
Unfortunately, neither commit updated the comment above these
definitions, which now erroneously states that PAGE_OFFSET is the start
of the kernel image rather than the start of the linear mapping.
This patch fixes said comment, and introduces an explanation of
KIMAGE_VADDR.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
pmu->irq_affinity will not be freed if an error occurred within
arm_pmu_device_probe after of_pmu_irq_cfg has been called.
Note that in the case of_pmu_irq_cfg is returning an error,
pmu->irq_affinity will not be set, but it should be NULL as pmu was
kzalloc'd. Therefore the result kfree(NULL) is benign.
Signed-off-by: Julien Grall <julien.grall@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
The global variable __oprofile_cpu_pmu is set before the PMU is fully
initialized. If an error occurs before the end of the initialization,
the PMU will be freed and the variable will contain an invalid pointer.
This will result in a kernel crash when perf will be used.
Fix it by moving the setting of __oprofile_cpu_pmu when the PMU is fully
initialized (i.e when it is no longer possible to fail).
Cc: <stable@vger.kernel.org>
Signed-off-by: Julien Grall <julien.grall@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
The only function called by of_pmu_irq_cfg that will increment the
reference count on dn is of_parse_phandle.
Each time we successfully parse a possible CPU from an
interrupt-affinity property, we increment the refcount of that CPU node
once via of_parse_handle. After validating the CPU is possible, we
decrement the refcount once. Subsequently, we decrement the refcount
again, either as part of an early break if we don't have a matching SPI,
or as part of the end of the loop body.
This will lead to decrementing twice the refcounnt.
Remove the second pairs of call to of_node_put as nobody is using dn
between the first and second call to of_node_put.
Signed-off-by: Julien Grall <julien.grall@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
If we take an exception we don't expect (e.g. SError), we report this in
the bad_mode handler with pr_crit. Depending on the configured log
level, we may or may not log additional information in functions called
subsequently. Notably, the messages in dump_stack (including the CPU
number) are printed with KERN_DEFAULT and may not appear.
Some exceptions have an IMPLEMENTATION DEFINED ESR_ELx.ISS encoding, and
knowing the CPU number is crucial to correctly decode them. To ensure
that this is always possible, we should log the CPU number along with
the ESR_ELx value, so we are not reliant on subsequent logs or
additional printk configuration options.
This patch logs the CPU number in bad_mode such that it is possible for
a developer to decode these exceptions, provided access to sufficient
documentation.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Al Grant <Al.Grant@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Martin <dave.martin@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
state3 = prototype parsing, so name them accordingly.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Instead of just forcefully inserting our kernel-doc input and letting
the state machine stumble over it the recommended way is to create
ViewList, parse that and then return the list of parsed nodes.
Suggested by Jani.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Further up in the state machinery we switch from STATE_NAME to
STATE_DOCBLOCK when we match /$doc_block/. Which means this block of
code here is entirely unreachable, unless there are multiple DOC:
sections within a single kernel-doc comment.
Getting a list of all the files with more than one DOC: section using
$ git grep -c " * DOC:" | grep -v ":1$"
and then doing a full audit of them reveals there are no such comment
blocks in the kernel.
Supporting multiple DOC: sections in a single kernel-doc comment does
not seem like a recommended way of doing things anyway, so nuke the code
for simplicity.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: linux-doc@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[Jani: amended the commit message]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The values computed during Diffie-Hellman key exchange are often used
in combination with key derivation functions to create cryptographic
keys. Add a placeholder for a later implementation to configure a
key derivation function that will transform the Diffie-Hellman
result returned by the KEYCTL_DH_COMPUTE command.
[This patch was stripped down from a patch produced by Mat Martineau that
had a bug in the compat code - so for the moment Stephan's patch simply
requires that the placeholder argument must be NULL]
Original-signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
* multiple compile break fixes for missing includes, bad kconfig dependencies.
* remove regulator API misuse causing deprecation warnings
* OMAP5 HDMI fixes for DDC and AVI infoframe
* OMAP4 HDMI fix for CEC
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Merge tag 'omapdrm-4.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-fixes
omapdrm fixes for 4.7
* multiple compile break fixes for missing includes, bad kconfig dependencies.
* remove regulator API misuse causing deprecation warnings
* OMAP5 HDMI fixes for DDC and AVI infoframe
* OMAP4 HDMI fix for CEC
* tag 'omapdrm-4.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
drm/omap: include gpio/consumer.h where needed
drm/omap: include linux/seq_file.h where needed
Revert "drm/omap: no need to select OMAP2_DSS"
drm/omap: Remove regulator API abuse
OMAPDSS: HDMI5: Change DDC timings
OMAPDSS: HDMI5: Fix AVI infoframe
drm/omap: fix OMAP4 hdmi_core_powerdown_disable()
drm/omap: Fix missing includes
drm/omapdrm: include pinctrl/consumer.h where needed
- add support for reading LVDS panel EDID over DDC
- enable UYVY/VYUY support
- add support for pixel clock polarity configuration
- honor the native-mode DT property for LVDS
- various fixes and cleanups
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Merge tag 'imx-drm-next-2016-06-01' of git://git.pengutronix.de/git/pza/linux into drm-fixes
imx-drm updates
- add support for reading LVDS panel EDID over DDC
- enable UYVY/VYUY support
- add support for pixel clock polarity configuration
- honor the native-mode DT property for LVDS
- various fixes and cleanups
* tag 'imx-drm-next-2016-06-01' of git://git.pengutronix.de/git/pza/linux:
drm/imx: plane: Don't set plane->crtc in ipu_plane_update()
drm/imx: ipuv3-plane: Constify ipu_plane_funcs
drm/imx: imx-ldb: honor 'native-mode' property when selecting video mode from DT
drm/imx: parallel-display: remove dead code
drm/imx: use bus_flags for pixel clock polarity
drm/imx: ipuv3-plane: enable UYVY and VYUY formats
drm/imx: parallel-display: use of_graph_get_endpoint_by_regs helper
drm/imx: imx-ldb: use of_graph_get_endpoint_by_regs helper
dt-bindings: imx: ldb: Add ddc-i2c-bus property
drm/imx: imx-ldb: Add DDC support
The first one is making use of __drm_atomic_helper_crtc_destroy_state()
instead of duplicating its logic in atmel_hlcdc_crtc_reset() and
risking memory leaks if other objects are added to the common CRTC
state.
The second one is fixing a possible NULL pointer dereference.
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Merge tag 'drm-atmel-hlcdc-fixes/for-4.7-rc2' of github.com:bbrezillon/linux-at91 into drm-fixes
Two trivial bugfixes for the atmel-hlcdc driver.
The first one is making use of __drm_atomic_helper_crtc_destroy_state()
instead of duplicating its logic in atmel_hlcdc_crtc_reset() and
risking memory leaks if other objects are added to the common CRTC
state.
The second one is fixing a possible NULL pointer dereference.
* tag 'drm-atmel-hlcdc-fixes/for-4.7-rc2' of github.com:bbrezillon/linux-at91:
drm: atmel-hlcdc: fix a NULL check
drm: atmel-hlcdc: fix atmel_hlcdc_crtc_reset() implementation
"I have accumulated some cleanup patches for HDLCD, partly triggered by
Daniel Vetter's work on non-blocking atomic operations, that I would like
to integrate into v4.7. My first patch is important for the newly enabled
hibernate option for AArch64 on Juno, the others are fixing behaviour in
HDLCD and adding a debugfs entry to help track the underlying framebuffer
usage. I'm also taking one of Daniel's patches from his non-blocking series
to help with the integration of his patches later."
* 'for-upstream/hdlcd' of git://linux-arm.org/linux-ld:
drm: hdlcd: Add information about the underlying framebuffers in debugfs
drm: hdlcd: Cleanup the atomic plane operations
drm/hdlcd: Fix up crtc_state->event handling
drm: hdlcd: Revamp runtime power management
