We cap the upper bound of "fbnum" but we also need to check for
negatives or make the type unsigned.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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. One tracking pointer was added.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: David Lechner <david@lechnology.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Jean Delvare <jdelvare@suse.de>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
[b.zolnierkie: ported it over pxa3xx_gcu changes]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
- make fbcon a built-time depency for fbdev (fbcon was tristate option
before, now it is a bool) - this is a first step in preparations for
making console_lock usage saner (currently it acts like the BKL for
all things fbdev/fbcon) (Daniel Vetter)
- add fbcon=margin:<color> command line option to select the fbcon margin
color (David Lechner)
- add DMI quirk table for x86 systems which need fbcon rotation (devices
like Asus T100HA, GPD Pocket, the GPD win and the I.T.Works TW891)
(Hans de Goede)
- fix 1bpp logo support for unusual width (needed by LEGO MINDSTORMS EV3)
(David Lechner)
- enable Xilinx FB driver for ARM ZynqMP platform (Michal Simek)
- fix use after free in the error path of udlfb driver (Anton Vasilyev)
- fix error return code handling in pxa3xx_gcu driver (Gustavo A. R. Silva)
- fix bootparams.screeninfo arguments checking in vgacon (Jan H. Schönherr)
- do not leak uninitialized padding in clk to userspace in the debug code of
atyfb driver (Vladis Dronov)
- fix compiler warnings in fbcon code and matroxfb driver (Arnd Bergmann)
- convert fbdev susbsytem to using %pOF instead of full_name (Rob Herring)
- structures constifications (Arvind Yadav, Bhumika Goyal, Gustavo A. R.
Silva, Julia Lawall)
- misc cleanups (Gustavo A. R. Silva, Hyun Kwon, Julia Lawall, Kuninori
Morimoto, Lynn Lei)
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Merge tag 'fbdev-v4.14' of git://github.com/bzolnier/linux
Pull fbdev updates from Bartlomiej Zolnierkiewicz:
- make fbcon a built-time depency for fbdev (fbcon was tristate option
before, now it is a bool) - this is a first step in preparations for
making console_lock usage saner (currently it acts like the BKL for
all things fbdev/fbcon) (Daniel Vetter)
- add fbcon=margin:<color> command line option to select the fbcon
margin color (David Lechner)
- add DMI quirk table for x86 systems which need fbcon rotation
(devices like Asus T100HA, GPD Pocket, the GPD win and the I.T.Works
TW891) (Hans de Goede)
- fix 1bpp logo support for unusual width (needed by LEGO MINDSTORMS
EV3) (David Lechner)
- enable Xilinx FB driver for ARM ZynqMP platform (Michal Simek)
- fix use after free in the error path of udlfb driver (Anton Vasilyev)
- fix error return code handling in pxa3xx_gcu driver (Gustavo A. R.
Silva)
- fix bootparams.screeninfo arguments checking in vgacon (Jan H.
Schönherr)
- do not leak uninitialized padding in clk to userspace in the debug
code of atyfb driver (Vladis Dronov)
- fix compiler warnings in fbcon code and matroxfb driver (Arnd
Bergmann)
- convert fbdev susbsytem to using %pOF instead of full_name (Rob
Herring)
- structures constifications (Arvind Yadav, Bhumika Goyal, Gustavo A.
R. Silva, Julia Lawall)
- misc cleanups (Gustavo A. R. Silva, Hyun Kwon, Julia Lawall, Kuninori
Morimoto, Lynn Lei)
* tag 'fbdev-v4.14' of git://github.com/bzolnier/linux: (75 commits)
video/console: Update BIOS dates list for GPD win console rotation DMI quirk
video/console: Add rotated LCD-panel DMI quirk for the VIOS LTH17
video: fbdev: sis: fix duplicated code for different branches
video: fbdev: make fb_var_screeninfo const
video: fbdev: aty: do not leak uninitialized padding in clk to userspace
vgacon: Prevent faulty bootparams.screeninfo from causing harm
video: fbdev: make fb_videomode const
video/console: Add new BIOS date for GPD pocket to dmi quirk table
fbcon: remove restriction on margin color
video: ARM CLCD: constify amba_id
video: fm2fb: constify zorro_device_id
video: fbdev: annotate fb_fix_screeninfo with const and __initconst
omapfb: constify omap_video_timings structures
video: fbdev: udlfb: Fix use after free on dlfb_usb_probe error path
fbdev: i810: make fb_ops const
fbdev: matrox: make fb_ops const
video: fbdev: pxa3xx_gcu: fix error return code in pxa3xx_gcu_probe()
video: fbdev: Enable Xilinx FB for ZynqMP
video: fbdev: Fix multiple style issues in xilinxfb
video: fbdev: udlfb: constify usb_device_id.
...
These omap_video_timings structures are only copied into other
structures, so they can be const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
The HDMI audio driver only needs to know which generation of HDMI
transmitter it deals with, not the detailed SoC model. Pass the version
number as an integer to prepare for removal of the OMAP SoC version from
the omapdrm driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
attribute_group are not supposed to change at runtime. All functions
working with attribute_group provided by <linux/sysfs.h> work
with const attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
5227 560 0 5787 169b panel-sony-acx565akm
File size after adding 'const':
text data bss dec hex filename
5291 496 0 5787 169b panel-sony-acx565akm.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
attribute_group are not supposed to change at runtime. All functions
working with attribute_group provided by <linux/sysfs.h> work
with const attribute_group. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
2673 368 0 3041 be1 panel-tpo-td043mtea1.o
File size after adding 'const':
text data bss dec hex filename
2737 304 0 3041 be1 panel-tpo-td043mtea1.o
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Now, we can use of_graph_get_remote_endpoint(). Let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Removing the default display name left a harmless warning:
fbdev/omap2/omapfb/dss/core.c: In function 'omap_dss_probe':
fbdev/omap2/omapfb/dss/core.c:196:30: error: unused variable 'pdata' [-Werror=unused-variable]
This removes the now-unused variable as well.
Fixes: 278cba7eaf ("drm: omapdrm: Remove unused default display name support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Use sysfs_match_string() helper instead of open coded variant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
The default display name is both unused and never set by platform data.
Remove default display name module parameter, platform data field and
runtime infrastructure.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dss_init_ports() is not handling return errors from dpi_init_port() and
sdi_init_port(). It is also always returning 0 currently which results in
part of error handling code in dss_bind() being unused.
Fix dss_init_ports() to handle return errors from dpi_init_port() and
sdi_init_port().
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: tomi.valkeinen@ti.com
[b.zolnierkie: fail early on errors, minor fixups]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Fix up affected files that include this signal functionality via sched.h.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Fix the retrn value check which testing the wrong variable
in dsi_bind().
Fixes: f76ee892a9 ("omapfb: copy omapdss & displays for omapfb")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The workqueue "workqueue" has only a single workitem(&ddata->ulps_work)
and hence doesn't require ordering. Also, it is not being used on a
memory reclaim path. Hence, the singlethreaded workqueue has been
replaced with the use of system_wq.
System workqueues have been able to handle high level of concurrency
for a long time now and hence it's not required to have a singlethreaded
workqueue just to gain concurrency. Unlike a dedicated per-cpu workqueue
created with create_singlethread_workqueue(), system_wq allows multiple
work items to overlap executions even on the same CPU; however, a
per-cpu workqueue doesn't have any CPU locality or global ordering
guarantee unless the target CPU is explicitly specified and thus the
increase of local concurrency shouldn't make any difference.
dsicm_remove() calls dsicm_cancel_ulps_work which uses
cancel_delayed_work() to ensure that there are no pending tasks while
disconnecting the driver.
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
wait_for_completion_timeout_interruptible returns long not unsigned long.
an appropriately typed variable is introduced and assignments fixed up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.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 can skip setting
the voltage it should just never set the voltage.
Signed-off-by: Mark Brown <broonie@kernel.org>
[tomi.valkeinen@ti.com: fix abuse in hdmi5.c too]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The dma-mapping core and the implementations do not change the DMA
attributes passed by pointer. Thus the pointer can point to const data.
However the attributes do not have to be a bitfield. Instead unsigned
long will do fine:
1. This is just simpler. Both in terms of reading the code and setting
attributes. Instead of initializing local attributes on the stack
and passing pointer to it to dma_set_attr(), just set the bits.
2. It brings safeness and checking for const correctness because the
attributes are passed by value.
Semantic patches for this change (at least most of them):
virtual patch
virtual context
@r@
identifier f, attrs;
@@
f(...,
- struct dma_attrs *attrs
+ unsigned long attrs
, ...)
{
...
}
@@
identifier r.f;
@@
f(...,
- NULL
+ 0
)
and
// Options: --all-includes
virtual patch
virtual context
@r@
identifier f, attrs;
type t;
@@
t f(..., struct dma_attrs *attrs);
@@
identifier r.f;
@@
f(...,
- NULL
+ 0
)
Link: http://lkml.kernel.org/r/1468399300-5399-2-git-send-email-k.kozlowski@samsung.com
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Acked-by: Mark Salter <msalter@redhat.com> [c6x]
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> [cris]
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> [drm]
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Joerg Roedel <jroedel@suse.de> [iommu]
Acked-by: Fabien Dessenne <fabien.dessenne@st.com> [bdisp]
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com> [vb2-core]
Acked-by: David Vrabel <david.vrabel@citrix.com> [xen]
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> [xen swiotlb]
Acked-by: Joerg Roedel <jroedel@suse.de> [iommu]
Acked-by: Richard Kuo <rkuo@codeaurora.org> [hexagon]
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k]
Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> [s390]
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> [avr32]
Acked-by: Vineet Gupta <vgupta@synopsys.com> [arc]
Acked-by: Robin Murphy <robin.murphy@arm.com> [arm64 and dma-iommu]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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>
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 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>
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>
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>
The DDC scl high and low times were set to the minimum values
from the i2c specification, but the i2c specification takes into
account the rise time and fall time to calculate the frequency.
To pass HDMI certification DDC can not exceed 100kHz therefore in
a system where the rise times and fall times are negligible the high
and low times for scl need to be 10us.
Signed-off-by: Jim Lodes <jim.lodes@garmin.com>
Signed-off-by: J.D. Schroeder <jay.schroeder@garmin.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The AVI infoframe R0-R3 in the 2nd data byte represents the
Active Format Aspect Ratio. It is four bits long not two bits.
This fixes that mask used to extract the bits before writing the
bits to the hardware registers.
Signed-off-by: Jim Lodes <jim.lodes@garmin.com>
Signed-off-by: J.D. Schroeder <jay.schroeder@garmin.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
* imxfb: fix lcd power up
* small fixes and cleanups
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Merge tag 'fbdev-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen:
- imxfb: fix lcd power up
- small fixes and cleanups
* tag 'fbdev-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
fbdev: Use IS_ENABLED() instead of checking for built-in or module
efifb: Don't show the mapping VA
video: AMBA CLCD: Remove unncessary include in amba-clcd.c
fbdev: ssd1307fb: Fix charge pump setting
Documentation: fb: fix spelling mistakes
fbdev: fbmem: implement error handling in fbmem_init()
fbdev: sh_mipi_dsi: remove driver
video: fbdev: imxfb: add some error handling
video: fbdev: imxfb: fix semantic of .get_power and .set_power
video: fbdev: omap2: Remove deprecated regulator_can_change_voltage() usage
At the moment 'enum omap_dss_clk_source' is in omapdss.h, shared by
omapdrm and omapfb. We're about to improve the omapdrm clock code, so we
need to make a separate copy of the enum for each driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
regulator_can_change_voltage() is deprecated and it's use is not necessary
as commit:
6a0028b3dd regulator: Deprecate regulator_can_change_voltage()
describers it clearly.
As there is no practical use of it it can be removed.
At this point the regulator_set_voltage() calls can not be removed as the
DT data need to be fixed first.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The change fixes a check of gpio_to_desc() return value, the function
returns either a valid pointer to struct gpio_desc or NULL, this makes
IS_ERR() check invalid and may lead to a NULL pointer dereference in
runtime.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch continues the work to create private versions of the
omapdss.h header for omapdrm and omapfb. This one moves the dss_mgr_*
function declarations.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch continues the work to create private versions of the
omapdss.h header for omapdrm and omapfb. This one moves 'struct dss_mgr_ops'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
omapdrm and omapfb still share the same include/video/omapdss.h. We need
to change that so that we can proceed with omapdrm work.
However, it's not trivial to make separate omapfb and omapdrm versions
of omapdss.h, as that file is also included in other places like arch
code, audio code and omap_vout code. So we'll do it piece by piece.
This patch makes private versions of all the dispc function declarations
that are in omapdss.h. For omapdrm we create a new file,
drivers/gpu/drm/omapdrm/dss/omapdss.h, which will contain headers meant
to be visible outside omapdss.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Now that omapfb has its own copy of omapdss and display drivers, we can
move omapdss and display drivers which omapdrm uses to omapdrm's
directory.
We also need to change the main drm Makefile so that omapdrm directory
is always entered, because omapdss has a file that can't be built as a
module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
VRFB is only used by omapfb, so we can move it under omapfb's directory.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
omapfb's private copy of omapdss is now ready to be used.
This patch makes omapfb use its private omapdss and display drivers, and
also makes omap_vout (which uses omapfb) to depend on omapfb.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
