linux.git/include/video, branch v2.6.29-rc2

video: sh_mobile_lcdcfb deferred io support

2008-12-22T09:44:48+00:00

This patch adds sh_mobile_lcdcfb deferred io support for SYS panels.

The LCDC hardware block managed by the sh_mobile_lcdcfb driver supports
RGB or SYS panel configurations. SYS panels come with an external display
controller that is resposible for refreshing the actual LCD panel. RGB
panels are controlled directly by the LCDC and they need to be refreshed
by the LCDC hardware.

In the case of SYS panels we can save some power by configuring the LCDC
hardware block in one-shot mode. In this one-shot mode panel refresh is
managed by software. This works well together with deferred io since it
allows us to stop clocks for most of the time and only enable clocks when
we actually want to trigger an update. When there is no fbdev activity
the clocks are kept stopped which allows us to deep sleep.

The refresh rate in deferred io mode is set using platform data. The same
platform data can also be used to disable deferred io mode.

As with other deferred io frame buffers user space code should use fsync()
on the frame buffer device to trigger an update.

Signed-off-by: Magnus Damm 
Signed-off-by: Paul Mundt

Revert "radeonfb: accelerate imageblit and other improvements"

2008-12-11T00:53:32+00:00

This reverts commit b1ee26bab14886350ba12a5c10cbc0696ac679bf, along with
the "fixes" for it that all just caused problems:

 - c4c6fa9891f3d1bcaae4f39fb751d5302965b566 "radeonfb: fix problem with
   color expansion & alignment"

 - f3179748a157c21d44d929fd3779421ebfbeaa93 "radeonfb: Disable new color
   expand acceleration unless explicitely enabled"

because even when disabled, it breaks for people. See

	http://bugzilla.kernel.org/show_bug.cgi?id=12191

for the latest example.

Acked-by: Benjamin Herrenschmidt 
Acked-by: David S. Miller 
Cc: Krzysztof Halasa 
Cc: James Cloos 
Cc: "Rafael J. Wysocki" 
Cc: Krzysztof Helt 
Cc: Jean-Luc Coulon 
Cc: Andrew Morton 
Signed-off-by: Linus Torvalds

atmel_lcdfb: change irq_base definition to allow error reporting

2008-11-13T01:17:16+00:00

Changed because old the definition of unsigned long cannot be negative.

Signed-off-by: Nicolas Ferre 
Reported-by: Roel Kluin 
Cc: Haavard Skinnemoen 
Cc: Andrew Victor 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

video: add sh_mobile_lcdc platform flags

2008-10-20T02:38:50+00:00

Add platform data flags for detailed lcd display configuration.

Signed-off-by: Magnus Damm 
Signed-off-by: Paul Mundt

video: remove unused sh_mobile_lcdc platform data

2008-10-20T02:38:47+00:00

Remove lddckr from the platform data, these days we calculate the
register value from clock source and clock dividers anyway.

Signed-off-by: Magnus Damm 
Signed-off-by: Paul Mundt

Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

2008-10-20T02:17:52+00:00

Conflicts:

	Documentation/kernel-parameters.txt
	arch/sh/include/asm/elf.h

fbdev: allow more chip revisions in Epson s1d13... video driver

2008-10-16T18:21:45+00:00

The Epson s1d13xxx hardware is common in many handhelds, but our driver is
currently locked to a single chip revision.  This patch adds an array of
known to work revisions (which can be extended).

[akpm@linux-foundation.org: cleanups]
Signed-off-by: Kristoffer Ericson 
Acked-by: Thibaut Varène 
Cc: Geert Uytterhoeven 
Cc: Krzysztof Helt 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

radeonfb: accelerate imageblit and other improvements

2008-10-16T18:21:44+00:00

Implement support for HW color expansion of 1bpp images, along with some
improvements to the FIFO handling and other accel operations.

The offset fixup code is now unnecessary as the fbcon core will call our
set_par upon switch back from KD_GRAPHICS before anything else happens.  I
removed it as it would slow down accel operations.

The fifo wait has been improved to avoid hitting the HW register as often,
and the various accel ops are now performing better caching of register
values.

Overall, this improve accel performances.  The imageblit acceleration does
result in a small overall regression in performances on some machines (on
the order of 5% on some x86), probably becaus the SW path provides a
better bus utilisation, but I decided to ingnore that as the performances
is still very good, and on the other hand, some machines such as some
sparc64 get a 3 fold performance improvement.

Signed-off-by: Benjamin Herrenschmidt 
Acked-by: David S. Miller 
Cc: Krzysztof Halasa 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

radeonfb: misc cleanup of engine and dst cache handling

2008-10-16T18:21:44+00:00

Fix a couple of incomplete tests of the chip families in the engine
init/reset code and proper initialization of the destination cache mode.
The result should better match what the latest X radeon driver does.

Signed-off-by: Benjamin Herrenschmidt 
Acked-by: David S. Miller 
Cc: Krzysztof Halasa 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

neofb: remove open_lock mutex

2008-10-16T18:21:42+00:00

Remove mutex from the fb_open/fb_release functions as these operations are
mutexed at fb layer.

Signed-off-by: Krzysztof Helt 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds