| Commit message (Collapse) | Author | Age |
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This patch splits some functionality to extra functions.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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As no caller is interested in the result call viafb_get_clk_value
directly from viafb_set_vclock to encapsulate the hardware dependend
stuff there.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch allows calculating the pll multiplier within limits based
on the previous table. All available information supports that it
should be possible/sane to choose the multiplier free within some
ranges.
Storing the multiplier ranges instead of lots of pll configurations
reduces the memory needed and may as well improve the performance.
It is also expected to provide better pll values resulting in better
frequencies for the connected devices.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch initializes the margins for the initial mode correct.
This is required to get the desired initial refresh rate. Also do
more verbose sanity checking to prevent misbehavior.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch fixes multiple issues with the handling of refresh rates
especially for multi-display setups. If you experienced problems
with wrong refresh rates this patch might fix them.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch splits the pll configs up on pll versions. This allows
easy adding of other known good pll values. Additionally it made it
possible to remove invalid configurations resulting in better
behaviour for such cases. The resulting clocks are no longer stored
resulting in some computing overhead on each mode change.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The clocks can be easily recalculated by the timing and refresh value.
This brings us one step closer to removing VIAs modetable and use
generic ones and being easier extensible.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Before this patch only clocks that perfectly match were used and if
none existed this was not handled properly. This patch changes this
to always use the closest clock supported. This should behave like
before for clocks that have a perfect match but be much saner for
clocks which are slightly off.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch removes the direct lookup table for resolution+refresh and
pixclock by calculating this information from the mode table. Removes a
lot of dupllication and error potential by just doing a little more
calculations on each mode change.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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These parameters are the same for all currently known VIA IGPs so it
does not make any sense to store them with IGP specific data. This
saves a few bytes and helps a bit in dicovering the real differences.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch removes some write-only variables from the device management
structures. Just a small cleanup.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch is a little cleanup for the chip_info structures.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch removes all internal uses of another mostly artificial
value. It does duplicate the information of the maximum resolution and
it is not flexible as only a few resolutions exist. Hence it is better
to remove it and clean the mess up.
No runtime change expected.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Many local variables should be declared static.
Found by sparse, compile tested only.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This driver is not respecting the iomem memory space restrictions
and does direct access. This works on x86 but is non-portable and
should not be done. Converted memcpy() of 2 to readw.
Last post increment of romptr was unnecessary since pointer never
used after that.
Found by sparse, compile tested only.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch removes an assignment to the deprecated i2c_adapter.id
field. Since the field isn't used anywhere else in the driver it is
save to remove it.
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The -rt patches change the console_semaphore to console_mutex. As a
result, a quite large chunk of the patches changes all
acquire/release_console_sem() to acquire/release_console_mutex()
This commit makes things use more neutral function names which dont make
implications about the underlying lock.
The only real change is the return value of console_trylock which is
inverted from try_acquire_console_sem()
This patch also paves the way to switching console_sem from a semaphore to
a mutex.
[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: make console_trylock return 1 on success, per Geert]
Signed-off-by: Torben Hohn <torbenh@gmx.de>
Cc: Thomas Gleixner <tglx@tglx.de>
Cc: Greg KH <gregkh@suse.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6
* 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6:
mailmap: Add an entry for Axel Lin.
video: fix some comments in drivers/video/console/vgacon.c
drivers/video/bf537-lq035.c: Add missing IS_ERR test
video: pxa168fb: remove a redundant pxa168fb_check_var call
video: da8xx-fb: fix fb_probe error path
video: pxa3xx-gcu: Return -EFAULT when copy_from_user() fails
video: nuc900fb: properly free resources in nuc900fb_remove
video: nuc900fb: fix compile error
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Now vgacon_scrollback_startup() uses slab, not bootmem,
the comment above it is obsolete, so does __init_refok.
Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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lcd_device_register may return ERR_PTR, so a check is added for this value
before the dereference. All of the other changes reorganize the error
handling code in this function to avoid duplicating all of it in the added
case.
In the original code, in one case, the global variable fb_buffer was set to
NULL in error code that appears after this variable is initialized. This
is done now in all error handling code that has this property.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r@
identifier f;
@@
f(...) { ... return ERR_PTR(...); }
@@
identifier r.f, fld;
expression x;
statement S1,S2;
@@
x = f(...)
... when != IS_ERR(x)
(
if (IS_ERR(x) ||...) S1 else S2
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*x->fld
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Current implementation calls pxa168fb_check_var twice in pxa168fb_probe.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Current implementation puts CONFIG_CPU_FREQ at wrong place, CONFIG_CPU_FREQ
is for lcd_da8xx_cpufreq_deregister not for unregister_framebuffer.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Return -EFAULT instead of number of bytes that could not be copied if
copy_from_user() fails.
Also fix a typo in the comments.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch fixes below compile error:
CC drivers/video/nuc900fb.o
drivers/video/nuc900fb.c: In function 'nuc900fb_suspend':
drivers/video/nuc900fb.c:726: error: too few arguments to function 'nuc900fb_stop_lcd'
drivers/video/nuc900fb.c: In function 'nuc900fb_resume':
drivers/video/nuc900fb.c:743: error: 'bfinfo' undeclared (first use in this function)
drivers/video/nuc900fb.c:743: error: (Each undeclared identifier is reported only once
drivers/video/nuc900fb.c:743: error: for each function it appears in.)
make[2]: *** [drivers/video/nuc900fb.o] Error 1
make[1]: *** [drivers/video] Error 2
make: *** [drivers] Error 2
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Fix collision with kernel-supplied #define:
drivers/video/backlight/88pm860x_bl.c:24:1: warning: "CURRENT_MASK" redefined
arch/x86/include/asm/page_64_types.h:6:1: warning: this is the location of the previous definition
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The meaning of CONFIG_EMBEDDED has long since been obsoleted; the option
is used to configure any non-standard kernel with a much larger scope than
only small devices.
This patch renames the option to CONFIG_EXPERT in init/Kconfig and fixes
references to the option throughout the kernel. A new CONFIG_EMBEDDED
option is added that automatically selects CONFIG_EXPERT when enabled and
can be used in the future to isolate options that should only be
considered for embedded systems (RISC architectures, SLOB, etc).
Calling the option "EXPERT" more accurately represents its intention: only
expert users who understand the impact of the configuration changes they
are making should enable it.
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: David Woodhouse <david.woodhouse@intel.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Cc: Greg KH <gregkh@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Robin Holt <holt@sgi.com>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: fix missing branch in __error_a
ARM: fix /proc/$PID/stack on SMP
ARM: Fix build regression on SA11x0, PXA, and H720x targets
ARM: 6625/1: use memblock memory regions for "System RAM" I/O resources
ARM: fix wrongly patched constants
ARM: 6624/1: fix dependency for CONFIG_SMP_ON_UP
ARM: 6623/1: Thumb-2: Fix out-of-range offset for Thumb-2 in proc-v7.S
ARM: 6622/1: fix dma_unmap_sg() documentation
ARM: 6621/1: bitops: remove condition code clobber for CLZ
ARM: 6620/1: Change misleading warning when CONFIG_CMDLINE_FORCE is used
ARM: 6619/1: nommu: avoid mapping vectors page when !CONFIG_MMU
ARM: sched_clock: make minsec argument to clocks_calc_mult_shift() zero
ARM: sched_clock: allow init_sched_clock() to be called early
ARM: integrator: fix compile warning in cpu.c
ARM: 6616/1: Fix ep93xx-fb init/exit annotations
ARM: twd: fix display of twd frequency
ARM: udelay: prevent math rounding resulting in short udelays
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Fix section mismatch errors in the ep93xx-fb driver resulting from
incorrect init/exit annotations.
Reported-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ryan Mallon <ryan@bluewatersys.com>
Tested-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-2.6: (29 commits)
video: move SH_MIPI_DSI/SH_LCD_MIPI_DSI to the top of menu
fbdev: Implement simple blanking in pseudocolor modes for vt8500lcdfb
video: imx: Update the manufacturer's name
nuc900fb: don't treat NULL clk as an error
s3c2410fb: don't treat NULL clk as an error
video: tidy up modedb formatting.
video: matroxfb: Correct video option in comments and kernel config help.
fbdev: sh_mobile_hdmi: simplify pointer handling
fbdev: sh_mobile_hdmi: framebuffer notifiers have to be registered
fbdev: sh_mobile_hdmi: add command line option to use the preferred EDID mode
OMAP: DSS2: Introduce omap_channel as an omap_dss_device parameter, add new overlay manager.
OMAP: DSS2: Use dss_features to handle DISPC bits removed on OMAP4
OMAP: DSS2: LCD2 Channel Changes for DISPC
OMAP: DSS2: Change remaining DISPC functions for new omap_channel argument
OMAP: DSS2: Introduce omap_channel argument to DISPC functions used by interface drivers
OMAP: DSS2: Represent DISPC register defines with channel as parameter
OMAP: DSS2: Add dss_features for omap4 and overlay manager related features
OMAP: DSS2: Clean up DISPC color mode validation checks
OMAP: DSS2: Add back authors of panel-generic.c based drivers
OMAP: DSS2: remove generic DPI panel driver duplicated panel drivers
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Kconfig entries SH_MIPI_DSI and SH_LCD_MIPI_DSI while being invisible to
the user, broke the FrameBuffer menu (at least in menuconfig), as they
aren't depending on respective menuconfig item (FB). In result several
items got moved to the main "Graphics support" menu. Move these two
problematic items to the top of drivers/video/Kbuild to restore nice
display of FB menu.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Implement simple blanking in pseudocolor modes for vt8500lcdfb
This follows the style of some other in-tree drivers by just setting
the hardware palette colors to all black. True Color modes are not
affected, but this at least allows to run xf86-video-fbdev without
errors due to blanking being unimplemented.
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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i.MX processors are currently manufactured by Freescale, not Motorola.
Make the manufacturer's name consistent.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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clk_get() returns a struct clk cookie to the driver and some platforms
may return NULL if they only support a single clock. clk_get() has only
failed if it returns a ERR_PTR() encoded pointer.
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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clk_get() returns a struct clk cookie to the driver and some platforms
may return NULL if they only support a single clock. clk_get() has only
failed if it returns a ERR_PTR() encoded pointer.
Cc: Vincent Sanders <support@simtec.co.uk>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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A part of file: drivers/video/modedb.c was not as per the coding guidelines.
The cleanup includes:
1) Converting spcaes to tabs
2) Adding spaces on either sides of "|" operator
Signed-off-by: Mayuresh Janorkar <mayur@ti.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Configuring the kernel I found that the Matrox frame buffer help has a
different option than the one in the docs (Documentation/fb/matroxfb.txt).
I decided to check the source code to see what is the correct option.
drivers/video/matrox/matroxfb_base.c has a lot of comments that sugests
that the video option is "matrox".
However in line 2452 of this same file you have:
fb_get_options("matroxfb", &option)
video=matroxfb:XXX is the correct video option not video=matrox:XXX.
Signed-off-by: Vicente Jimenez Aguilar <googuy@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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A previous patch added a framebuffer notifier to sh_mobile_hdmi.c,
but did not register it with the framebuffer core. This patch adds
such a registration and moves the notifier block into dynamically
allocated per-device private data.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Currently, if no command-line option is specified, the sh_mobile_hdmi
will use the default 720p video mode. If a command line option of the
form "video=sh_mobile_lcdc:<width>x<height>@<refresh>" is provided,
the driver will look for that mode among those, available in the
monitor EDID. This patch adds the ability to request the driver to
use monitor's preferred mode by specifying 0 as width and hight in
the above string. If that mode is not supported by the system, the
driver will continue scanning through EDID modes, until it finds a
suitable one.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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overlay manager.
A panel connects to one of the overlay managers of DSS through some interface block.
On OMAP4, specifying the type of the display is not sufficient to conclude which manager
the panel should be connected to.
Hence, a new member 'channel' is introduced in omap_dss_device structure to determine
which manager the panel uses. The dss_recheck_connections() called in dss_driver_probe()
uses this channel parameter to set the correct manager to the corresponding omap_dss_device.
The channel parameter is used only once to ensure the correct managers are set for each
panel. The parameter dssdev->manager->id will take care of ensuring that the panel and
then the interface driver configures the correct DISPC channel.
Also, add a new Overlay Manager in manager.c, make other changes needed for LCD2 channel.
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Mukund Mittal <mmittal@ti.com>
Signed-off-by: Samreen <samreen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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DISPC_CONFIG bits LCDENABLEPOL, LCDENABLESIGNAL, PCKFREEENABLE and FUNCGATED
have been removed from OMAP4, use dss_features to handle them correctly.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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DISPC functions are modified in order to work when the manager is LCD2.
This includes:
Adding new IRQs specific to LCD2 and their handling.
Provide dumps of the new manager's registers.
Provide dumps of the new manager's clocks.
Checks for channel for registers DISPC_CONTROL2 and DISPC_CONFIG2
which can't be parametrized.
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Mukund Mittal <mmittal@ti.com>
Signed-off-by: Samreen <samreen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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The following dispc functions are also changed to incorporate channel as an argument:
-dispc_lclk_rate()
-dispc_pclk_rate()
-dispc_set_pol_freq()
-dispc_set_clock_div()
-dispc_get_clock_div()
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Mukund Mittal <mmittal@ti.com>
Signed-off-by: Samreen <samreen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
[tomi.valkeinen@nokia.com: fixed trivial compile error]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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interface drivers
The interface drivers (dsi.c, sdi.c etc) need to call dispc functions with
dssdev->manager->id as a parameter to specify the DISPC channel which they want
to configure/use, this is required as the same functions are now used to configure
dispc registers of different channels.
The following dispc functions are changed to incorporate channel as an argument:
-dispc_enable_fifohandcheck()
-dispc_set_lcd_size()
-dispc_set_parallel_interface_mode()
-dispc_set_tft_data_lines()
-dispc_set_lcd_display_type()
-dispc_set_lcd_timings()
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Mukund Mittal <mmittal@ti.com>
Signed-off-by: Samreen <samreen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
[tomi.valkeinen@nokia.com: fixed trivial compile error]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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On OMAP4, we have a new DISPC channel for Overlay Manager LCD2. There is a set
of regsiters for LCD2 channel similar to the existing LCD channel, like
DISPC_CONTROL2, DISPC_DIVISOR2, DISPC_CONFIG2 and so on.
Introduce new enum members for LCD2 Channel and corresponding Overlay Manager
in display.h.
Represent the following DISPC register defines with channel as a parameter
to differentiate between LCD and LCD2 registers (and also DIGIT in some cases):
DISPC_DEFAULT_COLOR, DISPC_TRANS_COLOR, DISPC_TIMING_H, DISPC_TIMING_V,
DISPC_POL_FREQ, DISPC_DIVISOR, DISPC_SIZE_LCD, DISPC_DATA_CYCLEk,
DISPC_CPR_COEF_R, DISPC_CPR_COEF_G and DISPC_CPR_COEF_B
This parametrization helps in reducing the number of register defines for DISPC.
Replace the existing reads/writes to these registers in this new way.
Also, Introduce defines for registers DISPC_CONTROL2 and DISPC_CONFIG2 which
are used exclusively for LCD2 channel.
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Mukund Mittal <mmittal@ti.com>
Signed-off-by: Samreen <samreen@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Initialize a dss_features struct for omap4.
Add support for LCD2 manager by introducing a new member in dss_feat_id.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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The supported set of color modes varies for different DISPC pipelines(plane)
and omap version. This makes the checks for validation of a color mode more
complicated as new omap versions are added.
A dss_feature function is created which tells if a color_mode is supported
for a plane on the current omap revision.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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