linux-toradex.git/drivers/video/via, branch tegra

viafb: correct sync polarity for OLPC DCON

2011-12-09T16:54:10+00:00

commit a32839696a8eef813a1aff604fbad9a32dff6c95 upstream.

While the OLPC display appears to be able to handle either positive
or negative sync, the Display Controller only recognises positive sync.

This brings viafb (for XO-1.5) in line with lxfb (for XO-1) and
fixes a recent regression where the XO-1.5 DCON could no longer be
frozen. Thanks to Florian Tobias Schandinat for helping identify
the fix.

Test case: from a vt,
	echo 1 > /sys/devices/platform/dcon/freeze
should cause the current screen contents to freeze, rather than garbage being
displayed.

Signed-off-by: Daniel Drake 
Signed-off-by: Florian Tobias Schandinat 
Signed-off-by: Greg Kroah-Hartman

viafb: improve pitch handling

2011-11-11T17:43:26+00:00

commit 936a3f770b8de7042d793272f008ef1bb08522e9 upstream.

This patch adds checks for minimum and maximum pitch size to prevent
invalid settings which could otherwise crash the machine. Also the
alignment is done in a slightly more readable way.

Signed-off-by: Florian Tobias Schandinat 
Signed-off-by: Greg Kroah-Hartman

viafb: use display information in info not in var for panning

2011-11-11T17:43:25+00:00

commit d933990c57b498c092ceef591c7c5d69dbfe9f30 upstream.

As Laurent pointed out we must not use any information in the passed
var besides xoffset, yoffset and vmode as otherwise applications
might abuse it. Also use the aligned fix.line_length and not the
(possible) unaligned xres_virtual.

Signed-off-by: Florian Tobias Schandinat 
Reported-by: Laurent Pinchart 
Acked-by: Laurent Pinchart 
Signed-off-by: Greg Kroah-Hartman

viafbdev: fix compilation warning for unused variable

2011-06-27T14:37:31+00:00

viafbdev: Fix compilation warning for unused variable for #ifdef MODULE
Fix compilation warning when #ifdef MODULE

drivers/video/via/viafbdev.c: In function ‘viafb_init’:
drivers/video/via/viafbdev.c:2019: warning: unused variable ‘r’

Signed-off-by: Nikanth Karthikesan 
Signed-off-by: Jiri Kosina

Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6

2011-05-26T19:14:41+00:00

* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6:
  gpio/via: rename VIA local config struct
  basic_mmio_gpio: split into a gpio library and platform device
  gpio: remove some legacy comments in build files
  gpio: add trace events for setting direction and value
  gpio/pca953x: Use handle_simple_irq instead of handle_edge_irq
  gpiolib: export gpiochip_find
  gpio: remove redundant Kconfig depends on GPIOLIB
  basic_mmio_gpio: convert to non-__raw* accessors
  basic_mmio_gpio: support direction registers
  basic_mmio_gpio: support different input/output registers
  basic_mmio_gpio: detect output method at probe time
  basic_mmio_gpio: request register regions
  basic_mmio_gpio: allow overriding number of gpio
  basic_mmio_gpio: convert to platform_{get,set}_drvdata()
  basic_mmio_gpio: remove runtime width/endianness evaluation

Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6

2011-05-22T19:39:58+00:00

* 'viafb-next' of git://github.com/schandinat/linux-2.6: (24 commits)
  viafb: Automatic OLPC XO-1.5 configuration
  viafb: remove unused CEA mode
  viafb: try to map less memory in case of failure
  viafb: use write combining for video ram
  viafb: add X server compatibility mode
  viafb: reduce OLPC refresh a bit
  viafb: fix OLPC XO 1.5 device connection
  viafb: fix OLPC DCON refresh rate
  viafb: delete clock and PLL initialization
  viafb: replace custom return values
  viafb: some small cleanup for global variables
  viafb: gather common good, old VGA initialization in one place
  viafb: add engine clock support
  viafb: add VIA slapping capability
  viafb: split clock and PLL code to an extra file
  viafb: add primary/secondary clock on/off switches
  viafb: add clock source selection and PLL power management support
  viafb: prepare for PLL separation
  viafb: call viafb_get_clk_value only in viafb_set_vclock
  viafb: remove unused max_hres/vres
  ...

gpio/via: rename VIA local config struct

2011-05-20T06:40:20+00:00

The local VIA GPIO config struct "gpio_config" collides with my
extension to the gpio_chip struct, so rename it to
viafb_gpio_config so we don't get this clash.

Signed-off-by: Linus Walleij 
Signed-off-by: Grant Likely

viafb: Automatic OLPC XO-1.5 configuration

2011-05-11T07:27:37+00:00

Currently, a long set of viafb options are needed to get the XO-1.5
laptop to output video (there is only 1 configuration that works, that
can't really be autodetected).

This patch automatically detects and configures viafb for the XO-1.5
laptop, meaning all that is required for working display is that
viafb is loaded.

Signed-off-by: Daniel Drake 
Signed-off-by: Florian Tobias Schandinat

viafb: remove unused CEA mode

2011-04-26T08:10:33+00:00

This trivial patch removes unused mode tables.

Signed-off-by: Florian Tobias Schandinat

viafb: try to map less memory in case of failure

2011-04-25T20:01:46+00:00

The current code might result in trying to remap 512MB video ram on
a 32 bit system which is quite likely to fail.
This patch tries to map less of it down to 8MB as this should still
be enough to get a reasonably well working framebuffer. This should
make viafb work for many people without requiring them to manually
allocate more space.

Signed-off-by: Florian Tobias Schandinat