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This patch removes redundant bits per pixel information by using the
one storged in var directly. Simplifies code without any functional
changes.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Some user scenarios need to prioritize performance over
maxiumum resolution.
Also, some devices may have bad vendor descriptors, and
this allows the user to set a pixel limit that matches
their specific device to avoid blank screens on higher
resolution monitors.
700000 minimum for DL-115, 2360000 maximum for DL-195
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Signed-off-by: Bernie Thompson <bernie@plugable.com>
The driver was not using le16_to_cpu when reading keys from the vendor
descriptor, causing incorrect parsing. Mainly, sku_pixel_limit was not
being parsed on big-endian systems. This would result in a blank screen
on big-endian CPUs where the DL chips's max mode was smaller than the
monitor's native mode.
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Signed-off-by: Bernie Thompson <bernie@plugable.com>
It includes:
- two fixes for OMAP HDMI
- one fix to make new OMAP functions behave as they are supposed to
- one Kconfig dependency fix
- two fixes for viafb for modesetting on VX900 hardware
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Merge tag 'fbdev-fixes-for-3.3-2' of git://github.com/schandinat/linux-2.6
fbdev fixes for 3.3 from Florian Tobias Schandinat
It includes:
- two fixes for OMAP HDMI
- one fix to make new OMAP functions behave as they are supposed to
- one Kconfig dependency fix
- two fixes for viafb for modesetting on VX900 hardware
* tag 'fbdev-fixes-for-3.3-2' of git://github.com/schandinat/linux-2.6:
OMAPDSS: APPLY: make ovl_enable/disable synchronous
OMAPDSS: panel-dvi: Add Kconfig dependency on I2C
viafb: fix IGA1 modesetting on VX900
viafb: select HW scaling on VX900 for IGA2
OMAPDSS: HDMI: hot plug detect fix
OMAPDSS: HACK: Ensure DSS clock domain gets out of idle when HDMI is enabled
This patch changes the ARCH name to "ARCH_S3C24XX" for Samsung
S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443,
and S3C2450 SoCs so that we can merge the mach-xxx directories
and plat-s3c24xx dir. to just one mach-s3c24xx for them.
I think this should be sent to upstream via samsung tree because
this touches many samsung stuff.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
[for the gadget part:]
Acked-by: Felipe Balbi <balbi@ti.com>
[for the framebuffer (video) part:]
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
[For the watchdog-part:]
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Sangbeom Kim <sbkim73@samsung.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Fix race conditions with unplug/replug behavior, in particular
take care not to hold up USB probe/disconnect for long-running
framebuffer operations and rely on usb to handle teardown.
Fix for kernel panic reported with new F17 multiseat support.
Reported-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Bernie Thompson <bernie@plugable.com>
The main purpose of this patch is to fix several section mismatch
warnings from the board file and a few board specific drivers,
introduced with recent Amstrad Delta patch series, some of them rising
up only when building with CONFIG_MODULES not set.
While being at it, section tagging of all init data found in the board
file have been revised and hopefully corrected and/or optimized.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
ovl->enable/disable are meant to be synchronous so that they can handle
the configuration of fifo sizes. The current kernel doesn't configure
fifo sizes yet, and so the code doesn't need to block to function (from
omapdss driver's perspective).
However, for the users of omapdss a non-blocking ovl->disable is
confusing, because they don't know when the memory area is not used
any more.
Furthermore, when the fifo size configuration is added in the next merge
window, the change from non-blocking to blocking could cause side
effects to the users of omapdss. So by making the functions block
already will keep them behaving in the same manner.
And, while not the main purpose of this patch, this will also remove the
compile warning:
drivers/video/omap2/dss/apply.c:350: warning:
'wait_pending_extra_info_updates' defined but not used
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
panel-dvi uses i2c, but the Kconfig didn't have dependency on I2C. Add
it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
* 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix L4_EMU_34XX_BASE error after iomap changes
ARM: OMAP2+: Limit omap_read/write usage to legacy USB drivers
ARM: OMAP: Remove plat/io.h by splitting it into mach/io.h and mach/hardware.h
ARM: OMAP2+: Move most of plat/io.h into local iomap.h
ARM: OMAP1: Move most of plat/io.h into local iomap.h
ARM: OMAP1: Move 16xx GPIO system clock to platform init code
ARM: OMAP: Move omap_init_consistent_dma_size() to local common.h
ARM: OMAP2+: Move SDRC related functions from io.h into local common.h
ARM: OMAP2+: Drop DISPC L3 firewall code
ARM: OMAP2xxx: PM: remove obsolete timer disable code in the suspend path
ARM: OMAP: McSPI: Remove unused flag from struct omap2_mcspi_device_config
(update to latest rmk/for-arm-soc branch)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This is needed to minimize io.h so the SoC specific io.h
for ARMs can removed.
Note that minimal driver changes for DSS and RNG are needed to
include cpu.h for SoC detection macros.
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This is only needed when using SRAM for framebuffer,
and the support for SRAM framebuffer is about to get
removed.
Otherwise we cannot move most of plat/io.h to be a local
iomap.h for mach-omap2.
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh
SuperH fixes for 3.3-rc5
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh: Fix sh2a build error for CONFIG_CACHE_WRITETHROUGH
sh: modify a resource of sh_eth_giga1_resources in board-sh7757lcr
arch/sh: remove references to cpu_*_map.
sh: Fix typo in pci-sh7780.c
sh: add platform_device for SPI1 in setup-sh7757
sh: modify resource for SPI0 in setup-sh7757
sh: se7724: fix compile breakage
sh: clkfwk: bugfix: use clk_reparent() for div6 clocks
sh: clock-sh7724: fixup sh_fsi clock settings
sh: sh7757lcr: update to the new MMCIF DMA configuration
sh: fix the sh_mmcif_plat_data in board-sh7757lcr
video: pvr2fb: Fix up spurious section mismatch warnings.
sh: Defer to asm-generic/device.h.
The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_request_irq of these functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
By using devm_ioremap, it also removes a potential memory leak, because
there was no call to iounmap in the probe function.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Even if the documentation calls this bit "Reserved" it has to be set
to 0 for correct modesetting on IGA1.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
VX900 can do hardware scaling for both IGAs in contrast to previous
hardware which could do it only for IGA2. This patch ensures that
we set the parameter for IGA2 and not for IGA1. This fixes hardware
scaling on VX900 until we have the infrastructure to support it for
both IGAs.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
The "OMAPDSS: HDMI: PHY burnout fix" commit switched the HDMI driver
over to using a GPIO for plug detect. Unfortunately the ->detect()
method was not also updated, causing HDMI to no longer work for the
omapdrm driver (because it would actually check if a connection was
detected before attempting to enable display).
Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
For DSS clock domain to transition from idle to active state. It's necessary
to enable the optional clock DSS_FCLK before we enable the module using the
MODULEMODE bits in the clock domain's CM_DSS_DSS_CLKCTRL register.
This sequence was not followed correctly for the 'dss_hdmi' hwmod and it led
to DSS clock domain not getting out of idle when pm_runtime_get_sync() was
called for hdmi's platform device.
Since the clock domain failed to change it's state to active, the hwmod code
disables any clocks it had enabled before for this hwmod. This led to the clock
'dss_48mhz_clk' gettind disabled.
When hdmi's runtime_resume() op is called, the call to dss_runtime_get()
correctly enables the DSS clock domain this time. However, the clock
'dss_48mhz_clk' is needed for HDMI's PHY to function correctly. Since it was
disabled previously, the driver fails when it tries to enable HDMI's PHY.
Fix this for now by ensuring that dss_runtime_get() is called before we call
pm_runtime_get_sync() for hdmi's platform device. A correct fix for later would
be to modify the DSS related hwmod's mainclks, and also some changes in how
opt clocks are handled in the DSS driver.
This fixes the issue of HDMI not working when it's the default display. The
issue is not seen if any other display is already enabled as the first display
would have correctly enabled the DSS clockdomain.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Now that the old omapfb driver is only omap1 display driver, there's no
need to check if the arch is omap1. This patch removes the few remaining
checks for the arch.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
include/linux/omapfb.h contains structs that are used only by the
omapfb driver. Move the structs into drivers/video/omap/omapfb.h.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
omapfb driver used platform_data to get fb memory areas and formats
defined by the board file.
This patch removes omapfb's (both old and new omapfb) use of the
memory data in platform_data, because:
- No board uses them currently
- It's not board file's job to define things like amount of default
framebuffer memory. These should come from the bootloader via command
line parameters.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
In an effort to clean up the old omapfb driver, this patch removes
HWA742 (the display chip used in N770) platform data. This can be done
as N770 is the only user of HWA742, and the platform data contains only
one field, te_connected, which we can just presume to be true in the
HWA742 driver.
This allows us to remove omapfb_set_ctrl_platform_data(), and the
mechanism to pass the platform data, in a later patch.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
OMAP SRAM can be used as video memory on OMAP1 and 2. However, there
usually is very little SRAM available, thus limiting its use, and no
board supported by the kernel currently uses it.
This patch removes the use of SRAM as video ram for the old omapfb
driver to simplify memory handling.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
OMAP SRAM can be used as video memory on OMAP1 and 2. However, there
usually is very little SRAM available, thus limiting its use, and no
board supported by the kernel currently uses it.
This patch removes the use of SRAM as video ram for the omapdss driver
to simplify memory handling.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Old omapfb driver (drivers/video/omap/) is no longer used for OMAP2+
devices, and thus we can remove OMAP2+ support from it and make it an
OMAP1 omapfb driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
N8x0's blizzard driver has been ported to new omapdss driver, so we can
now remove the old blizzard driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Obviously this is a typo and although there were no effects observed
it's probably better to fix it.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
The MCLK mode defines a factor to divide the clock that is used to
generate the Audio Clock Regeneration packets, MCLK.
The divisor is not used when the CTS value is calculated by HW.
When the value is calculated by SW, it depends on the silicon
revision.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
When the MCLK is used to drive the Audio Clock Regeneration packets,
the initialization procedure is to set ACR_CTRL[2] to 0 and then
back again to 1. Also, devices that do not support the MCLK, use
the TMDS clock directly by leaving ACR_CTRL[2] set to 0.
The MLCK clock divisor, mclk_mode, is configured only if MLCK
is used. Such configuration is no longer related to the CTS mode
as in some silicon revisions CTS SW-mode is used along with the MCLK.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Certain OMAP4 revisions (i.e., 4430 ES2.3, 4460, and 4470) use
a pseudo clock (generated from the TMDS clock), MCLK, to drive the
generation of Audio Clock Regeneration packets. Other devices
(i.e., 4430 ES2.[0,2]) use the TMDS clock directly.
This patch adds a new DSS feature for MCLK support. It also rearranges
the omap_dss_features structures to reflect the devices supporting it.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Over time better gamma has been determined and tuned with some
equipment so update the defaults. From subjective point of view
dark shades should be better visible.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
During system suspend, at the time DSS is being suspended, SPI is
already suspended and it's clocks are cut. Because of this trying to
communicate with the LCD controller results in a deadlock.
To fix this, split out LCD programming parts of display enable/disable
functions and perform them from SPI PM callbacks instead when system is
being suspended. If the display is just being enabled/disabled, do it
from DSS callbacks as before.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
With AVI infoframe various parameters of video stream such as
aspect ratio, quantization range, videocode etc will be indicated
from source to sink.Thus AVI information needs to be set/accessed
by the middle ware based on the video content.
Thus this parameter is now moved to the ip_data structure.
Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch adds support for Innolux AT080TN52 800x600 panel.
Tested with AM3517 based board.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The calculation of required DISPC_FCLK for downscaling is done by multplying the
pixel clock with an integer factor. This isn't true for OMAP4 where the required
clock is calculated using the exact ratio of downscaling done.
Fix this calculation for OMAP4. Also, do a minor clean up of calc_fclk().
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The number of dss_feat_id members has increased to a large value, the current
way of assigning a subset of these features (for a particular OMAP) as a mask
is no longer feasible.
Maintain the subset of features supported as lists. Make the function
dss_has_feature() traverse through this list.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Now that dss is using devm_ functions for allocation in probe functions,
small reordering of the allocations allows us to clean up the probe
functions more.
This patch moves "unmanaged" allocations after the managed ones, and
uses plain returns instead of gotos where possible. This lets us remove
a bunch of goto labels, simplifying the probe's error handling.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
