Read DDC information from a connected monitor and use it to select initial
mode (if the mode is not specified).

Also, use the information to protect against modes outside the monitor
specs.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Tested-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

The I2C functionality provided by the i2c-voodoo3 driver is moved into the
tdfxfb (frame buffer driver for Voodoo3 cards).  This way there is no
conflict between the i2c driver and the fb driver.

The tdfxfb does not make use from the DDC functionality yet but provides
all the functionality of the i2c-voodoo3 driver.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Acked-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NKristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: NRichard Purdie <rpurdie@linux.intel.com>

Signed-off-by: NKristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: NRichard Purdie <rpurdie@linux.intel.com>

When multiple PWMs are used as backlights, the current code uses
pdev->name as the backlight name when registering, which will be
conflicting, use dev_name() instead.
Signed-off-by: NPeter Edwards <sweetlilmre@gmail.com>
Signed-off-by: NEric Miao <eric.miao@marvell.com>
Signed-off-by: NRichard Purdie <rpurdie@linux.intel.com>

This patch adds a debug switch to enable (little) diagnostic
output, to help to trace down the remaining problems.
Signed-off-by: NMario Schwalbe <schwalbe@inf.tu-dresden.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NRichard Purdie <rpurdie@linux.intel.com>

This patch adds support for the new Apple models incorporating an Nvidia
chipset.  Apple still uses the same protocol as on older models, but the
registers moved to a different address. To do this, two sets of functions
are added for the Intel/Nvidia chipset models and passed by the DMI_MATCH
function.

The initial code has been contributed by Hu Gang <hugang@soulinfo.com>.

The driver is known to work on MacBook Pro 3, MacBook Pro 4 and MacBook
Pro 5.

Its known to work with limitations on MacBook 5 / MacBook Air 2. Changing
brightness within X doesn't work, if using Nvidia's proprietary graphics
driver with no known fix at present. Changing brightness on a text console
or using the open-source driver does work.

MacBook Pro 5 has a known bug where the initial brightness after bootup is
the last recently used brightness (in Mac OSX), while the firmware reports
maximum. Impossible to fix.

[akpm@linux-foundation.org: build fix]
[rpurdie@linux.intel.com: Rebased the patch against latest git]
Signed-off-by: NMario Schwalbe <schwalbe@inf.tu-dresden.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NRichard Purdie <rpurdie@linux.intel.com>

The driver should pass a device that specifies internal DMA ops, but
currently NULL pointers are passed, and thus following bug pops up:

  Freescale DIU driver
  ------------[ cut here ]------------
  kernel BUG at arch/powerpc/include/asm/dma-mapping.h:237!
  Oops: Exception in kernel mode, sig: 5 [#1]
  ...
  NIP [c01658b4] allocate_buf+0x0/0x8
  LR [c0306554] fsl_diu_probe+0x2b4/0x518
  Call Trace:
  [df02be10] [c030638c] fsl_diu_probe+0xec/0x518 (unreliable)
  [df02be60] [c020cdec] of_platform_device_probe+0x5c/0x84
  [df02be80] [c018f5d0] really_probe+0x78/0x1a0
  [df02bea0] [c018f7c0] __driver_attach+0xa4/0xa8
  [df02bec0] [c018ea00] bus_for_each_dev+0x60/0x9c
  [df02bef0] [c018f414] driver_attach+0x24/0x34
  [df02bf00] [c018f168] bus_add_driver+0x12c/0x1cc
  [df02bf20] [c018fbdc] driver_register+0x6c/0x110
  [df02bf30] [c020ccb4] of_register_driver+0x54/0x70
  [df02bf40] [c03d0a50] fsl_diu_init+0x70/0xa4
  ...

This patch fixes the issue.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

nvidiafb recognizes geforcego 7300 chip as mobile
Signed-off-by: NSergey Senozhatsky <sergey.senozhatsky@mail.by>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

The current logic for dmi matching in efifb does not allow efifb to load
on all hardware that we can dmi match for.

For a real world example, boot with elilo (3.7 or 3.8 vanilla) and on a
Apple (MacBook) and EFI framebuffer driver will not load (you will have no
video).  This specific hardware is efi v1.10, so we have UGA and not GOP.
Without special bootloader magic (i.e.  extra elilo patches for UGA
graphics detection) no screen info will be passed to the kernel and as a
result efifb will not load.

This patch allows the dmi match to happen by moving it to earlier in
efifb_init, and sets the video type (in set_system) so that efifb can load
when we have a valid dmi match and already know the specifics of the
hardware.

Without this patch the efifb driver will fail to load in the event screen
info is not found and passed in by the bootloader, being that we will
never get to look for a dmi match.  A primary reason for matching with dmi
is because not all bootloaders detect the video info properly.  The
solution is that in the event of a dmi match, we should set
screen_info.orig_video_isVGA.  Most bootloaders fail to set screen info on
Apple hardware, and this is a big problem for people who use Apple
hardware.

Tested on a MacBook SantaRosa with elilo-3.8 (vanilla) and resolves the
issue, the dmi match now works, EFI framebuffer now loads and video works.
Signed-off-by: NBrian Maly <bmaly@redhat.com>
Acked-by: NHuang Ying <ying.huang@intel.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Chandramouli Narayanan <mouli@linux.intel.com>
Acked-by: NPeter Jones <pjones@redhat.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Remove Kconfig option for tridentfb acceleration.  The acceleration can be
switched off with modules "noaccel" parameter.

The acceleration for Trident chips was fixed in the 2.6.27 kernel.

Also, add CyberXXX and CyberBlade names to Kconfig option's name.  It should
make easier to find the tridentfb choice for cyblafb driver's users.  The
cyblafb driver has been replaced by the tridentfb driver.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Save one fifo entry on cursor enabling and disabling.

Save another fifo entry for FB_CUR_SETPOS operation by removing redundant one.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

A hardware cursor is left enabled in the fb_set_par() which is called when a
new console is created.  This is inconsistent with software cursor's
behaviour.

Also, this makes a hardware cursor always visible in the Xfbdev (Xorg kdrive)
server.
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Cc: Risto Suominen <risto.suominen@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Remove mutex from the nvidiafb_open/nvidiafb_release functions as these
operations are mutexed at fb layer.
Signed-off-by: NAlessio Igor Bogani <abogani@texware.it>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Add suspend/resume for the Acer Travelmate 290D/292LMi with the following
graphic-chip:

01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV350
[Mobility Radeon 9600 M10] [1002:4e50] (prog-if 00 [VGA controller])
	Subsystem: Acer Incorporated [ALI] TravelMate 290 [1025:005a]
	Flags: bus master, 66MHz, medium devsel, latency 128, IRQ 10
	Memory at a8000000 (32-bit, prefetchable) [size=128M]
	I/O ports at c100 [size=256]
	Memory at e0010000 (32-bit, non-prefetchable) [size=64K]
	[virtual] Expansion ROM at a0000000 [disabled] [size=128K]
	Capabilities: [58] AGP version 2.0
	Capabilities: [50] Power Management version 2
	Kernel driver in use: radeonfb
	Kernel modules: radeonfb
Signed-off-by: NWolfgang Kroener <lkml@azog.de>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

The blank operation should receive FB_BLANK_POWERDOWN, not VESA_POWERDOWN.
Signed-off-by: NFelipe Contreras <felipe.contreras@nokia.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Andrea Righi <righi.andrea@gmail.com>
Acked-by: NTrilok Soni <soni.trilok@gmail.com>
Cc: Imre Deak <imre.deak@solidboot.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

If the vbemode option is used, uvesafb calls fb_get_mode() without first
setting the resolution in info->var.  This results in a division by zero
in fb_get_mode(), as evidenced e.g.  in [1].  Fix this by ensuring the
info->var structure is populated before fb_get_mode() is called.

[1] http://bugzilla.kernel.org/show_bug.cgi?id=11661#c37Signed-off-by: NMichal Januszewski <spock@gentoo.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

A tridentfb driver has all the functionality of the cyblafb driver without
the bugs of the latter.

Changes to the tridentfb driver:

- FBINFO_READS_FAST added to the tridentfb.  The cyblafb used a blitter
  for scrolling which is faster than color expansion on Cyberblade
  chipsets.  The blitter is slower on a discrete Blade3D core.  Use the
  blitter for scrolling in the tridentfb only for integrated Blade3D
  cores.  Now, scrolling speed is about equal for the tridentfb and the
  cyblafb.

- a copyright notice addition is done on request of Jani Monoses (the
  first author of the tridentfb).

Tested on AGP Blade3D card and PCChips
M787CLR motherboard: VIA C3 cpu +
VT8601 north  bridge (aka Cyberblade/i1).
Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Cc: "Jani Monoses" <jani@ubuntu.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Add support for the newer Samsung devices, such as found in the S3C2443,
S3C6400 or S3C6410 series SoC.

It currently does not support all the alpha- or chroma-key options but it
will support more exporting more than one framebuffer ready for adding
overlay and blending functions.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

There is no entry for n411.c to be built, include one in Makefile.
Signed-off-by: NHerton Ronaldo Krzesinski <herton@mandriva.com.br>
Cc: Jaya Kumar <jayakumar.lkml@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Otherwise this will already return 0 if iteration MAXLOOP-2 occurs in the
first loop.
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Cc: Joseph Chan <josephchan@via.com.tw>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Acked-by: NMichal Januszewski <michalj@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Acked-by: NMichal Januszewski <michalj@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Acked-by: NOndrej Zajicek <santiago@crfreenet.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

- fix cmap leak in removal path
 - fix cmap leak when register_framebuffer fails
 - check return value of fb_alloc_cmap
 - don't continue with driver setup if register_framebuffer fails

[krzysztof.h1@wp.pl: spotted missing iounmap]
[randy.dunlap@oracle.com: move data declaration before any code]
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

With for(div = 0; div < max_clk_div; div++) { ... } div reaches max_clk_div.
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Cc: Joe Perches <joe@perches.com>
Acked-by: NTrilok Soni <soni.trilok@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

The s1d13xxx chip provides two values of identification value: the
Production id (e.g 13506/13505/13806..) and a revision number 0,1,2,3).
Together these can help us to differentiate between similiar setups.

This patch adds the proper way of grabbing both those values and save them
for future reference (in order to decide what functions a card supports,
e.g acceleration).

We also move away from the concept of all s1d13xxx = s1d13806 when we
really support alot more.

[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: simplify s1d13xxxfb_probe()]
Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

- fix cmap leak in removal path

- fix cmap leak when register_framebuffer fails
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

- fix cmap leak in removal path

- fix cmap leak when register_framebuffer fails

- check return value of fb_alloc_cmap
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Fix cmap leak when register_framebuffer fails.
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

- fix cmap leak in removal path
 - fix cmap leak when register_framebuffer fails
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Bad example code, no cookie!
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

We were leaking the cmap memory.
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

We were leaking the cmap memory.
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

We were leaking the cmap memory.
Signed-off-by: NAndres Salomon <dilinger@debian.org>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>