openwrt/staging/blogic.git
13 years agovideo: s3c-fb: fix transparency length for pixel blending
Jingoo Han [Mon, 7 Nov 2011 06:03:01 +0000 (15:03 +0900)]
video: s3c-fb: fix transparency length for pixel blending

Transparency length is fixed for pixel blending in order to support
ARGB 8888 format.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agofbdev/cirrusfb: Add support for "64 MiB" version of Picasso IV
Geert Uytterhoeven [Thu, 20 Oct 2011 11:42:25 +0000 (13:42 +0200)]
fbdev/cirrusfb: Add support for "64 MiB" version of Picasso IV

Some Village Tronic Picasso IV graphics cards identify as a 64 MiB Zorro
device in Zorro III mode.

While the total graphics memory size is the same on such cards, the offset
of the graphics memory differs. Add a quirk to handle this.

Based on src/sys/arch/amiga/dev/grf_cl.c from NetBSD.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agofbdev/cirrusfb: Add support for Picasso IV in Zorro II mode
Geert Uytterhoeven [Thu, 20 Oct 2011 11:42:24 +0000 (13:42 +0200)]
fbdev/cirrusfb: Add support for Picasso IV in Zorro II mode

In Zorro II mode, the Village Tronic Picasso IV graphics card shows up as
either 2 or 3 Zorro devices:
  - One for the registers of the Cirrus Logic graphics chip,
  - One for the first bank of 2 MiB of graphics memory,
  - An optional one for the second bank of 2 MiB of graphics memory,
    if there was enough free Zorro II address space.

Based on src/sys/arch/amiga/dev/grf_cl.c from NetBSD.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agofbdev/cirrusfb: Rewrite Zorro graphics card probing
Geert Uytterhoeven [Thu, 20 Oct 2011 11:42:23 +0000 (13:42 +0200)]
fbdev/cirrusfb: Rewrite Zorro graphics card probing

As indicated by commit a7f4d00a82feb5b311f765bf9522bc55bee0684f ("zorro:
Defer device_register() until all devices have been identified"), cirrusfb
crashes if zorro_find_device() cannot find an expected device.

Rewrite the Zorro device probe code to make it more robust, easier to
understand, and more extensible.

Other logical changes:
  - For cards that show up as 2 Zorro devices, autoprobe graphics memory
    sizes based on the size of the Zorro device containing the graphics
    memory.
    Acording to the NetBSD sources, this is safe.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agozorro: Rename Picasso IV Z2 "MEM" to "RAM" for consistency
Geert Uytterhoeven [Thu, 20 Oct 2011 11:42:22 +0000 (13:42 +0200)]
zorro: Rename Picasso IV Z2 "MEM" to "RAM" for consistency

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agoatmel_lcdfb: support new-style palette format
Peter Korsgaard [Thu, 13 Oct 2011 14:45:52 +0000 (16:45 +0200)]
atmel_lcdfb: support new-style palette format

The newer Atmel SoCs use normal 16bit 565 BGR/RGB for the palette data,
rather than the special intensity + 555 format.

Fill out palette data correctly on these devices, and at the same time
respect the RGB/BGR wiring mode.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agoatmel_lcdfb: Use proper blanking on negative contrast polarity
Alexander Stein [Wed, 5 Oct 2011 07:59:58 +0000 (09:59 +0200)]
atmel_lcdfb: Use proper blanking on negative contrast polarity

If used with negative polarity the PWM unit cannot be disabled. This would
result in a full contrast screen.
Instead let the PWM unit enabled using 0x0 as compare value which darkens
the display.
In result no power saving is possible if inverted contrast polarity
is used.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agoatmel_lcdfb: Adjust HFP calculation so it matches the manual.
Alexander Stein [Wed, 5 Oct 2011 07:59:57 +0000 (09:59 +0200)]
atmel_lcdfb: Adjust HFP calculation so it matches the manual.

In the AT91SAM9263 Manual the HFP part in LCDTIM2 is described as follows:
  * HFP: Horizontal Front Porch
  Number of idle LCDDOTCK cycles at the end of the line.
  Idle period is (HFP+2) LCDDOTCK cycles.

It is only a minor issue. I also changed all boards using atmel_lcdfb
I found to respect the new calculation.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agofbdev: remove display subsystem
Florian Tobias Schandinat [Sat, 3 Sep 2011 01:36:08 +0000 (01:36 +0000)]
fbdev: remove display subsystem

This four year old subsystem does not have a single in-tree user
not even in staging and as far as I know also none out-of-tree.
I think that justifies removing it which cleans the config up.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: James Simmons <jsimmons@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
13 years agovideo: platinumfb: Add __devexit_p at necessary place
Axel Lin [Wed, 5 Oct 2011 08:01:38 +0000 (16:01 +0800)]
video: platinumfb: Add __devexit_p at necessary place

According to the comments in include/linux/init.h:

"Pointers to __devexit functions must use __devexit_p(function_name), the
wrapper will insert either the function_name or NULL, depending on the config
options."

We have __devexit annotation for platinumfb_remove(), thus add __devexit_p at
necessary place.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agoMerge branch 'for-florian' of git://gitorious.org/linux-omap-dss2/linux into fbdev...
Florian Tobias Schandinat [Sat, 15 Oct 2011 00:19:52 +0000 (00:19 +0000)]
Merge branch 'for-florian' of git://gitorious.org/linux-omap-dss2/linux into fbdev-next

13 years agoMerge commit 'v3.1-rc9' into fbdev-next
Florian Tobias Schandinat [Sat, 15 Oct 2011 00:14:01 +0000 (00:14 +0000)]
Merge commit 'v3.1-rc9' into fbdev-next

13 years agodrivers/video: fsl-diu-fb: merge diu_pool into fsl_diu_data
Timur Tabi [Wed, 28 Sep 2011 21:19:55 +0000 (16:19 -0500)]
drivers/video: fsl-diu-fb: merge diu_pool into fsl_diu_data

The diu_pool structure contains diu_addr objects for various objects
allocated in DMA space that are used by the DIU, but the only instance
of this structure is a global variable, 'pool'.  Eliminate 'pool' by
merging its fields into the fsl_diu_data structure, which is instantiated
on the heap for each DIU controller found.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agoLinux 3.1-rc9
Linus Torvalds [Wed, 5 Oct 2011 01:11:50 +0000 (18:11 -0700)]
Linux 3.1-rc9

13 years agodrivers/video: fsl-diu-fb: merge diu_hw into fsl_diu_data
Timur Tabi [Wed, 5 Oct 2011 00:36:51 +0000 (19:36 -0500)]
drivers/video: fsl-diu-fb: merge diu_hw into fsl_diu_data

The diu_hw structure contains two fields used to access the DIU registers,
but the only instance of this structure is a global variable, 'dr'.
Eliminate 'dr' by merging its fields into the fsl_diu_data structure,
which is instantiated on the heap for each DIU controller found.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agodrivers/video: fsl-diu-fb: only DIU modes 0 and 1 are supported
Timur Tabi [Wed, 28 Sep 2011 21:19:53 +0000 (16:19 -0500)]
drivers/video: fsl-diu-fb: only DIU modes 0 and 1 are supported

The Freescale DIU video controller supports five video "modes", but only
the first two are used by the driver.  The other three are special modes
that don't make sense for a framebuffer driver.  Therefore, there's no
point in keeping a global variable that indicates which mode we're
supposed to use.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agodrivers/video: fsl-diu-fb: remove unused panel operating mode support
Timur Tabi [Wed, 28 Sep 2011 21:19:52 +0000 (16:19 -0500)]
drivers/video: fsl-diu-fb: remove unused panel operating mode support

The MFB_TYPE_xxx macros indicate different "operating modes" of each AOI,
but this feature is not actually used in the driver.  The mfb_index.type
field is always set to MFB_TYPE_OUTPUT, so just delete it and any code
that references it.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agodrivers/video: fsl-diu-fb: use an enum for the AOI index
Timur Tabi [Wed, 28 Sep 2011 21:19:51 +0000 (16:19 -0500)]
drivers/video: fsl-diu-fb: use an enum for the AOI index

Each of the five AOIs created by the DIU driver has a special purpose, and
they're not treated equally.  It makes sense to identify them with an enum
instead of a hard-coded number.

Since the 'index' is now an enum, it can only contain allowed values, so
there's no need to check for an invalid value.  This simplifies some other
code, such as fsl_diu_disable_panel(), which no longer needs to return an
error code.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agodrivers/video: fsl-diu-fb: add several new video modes
Timur Tabi [Wed, 28 Sep 2011 21:19:50 +0000 (16:19 -0500)]
drivers/video: fsl-diu-fb: add several new video modes

Add the following new video modes to the Freescale DIU framebuffer driver:

640x480x60
640x480x72
640x480x75
640x480x90
640x480x100
800x480x60
800x600x60
854x480x60
1280x480x60
1280x720x60
1920x1080x60

Also add margin data to the 320x240 video mode.  This mode was originally
intended only for the AOIs (overlays) used on planes two and three, but with
real margin data, it can now be used as an actual video mode.
Video mode data is from earlier work done by Jerry Huang
<Chang-Ming.Huang@freescale.com>.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agodrivers/video: fsl-diu-fb: remove broken screen blanking support
Timur Tabi [Wed, 28 Sep 2011 21:19:49 +0000 (16:19 -0500)]
drivers/video: fsl-diu-fb: remove broken screen blanking support

The function which is supposed to provide screen blanking support doesn't
actually do anything, so the framebuffer layer thinks the screen has
been blanked when it really isn't.  Remove the code completely for now.

A side-effect of this change is that the framebuffer console blanking now
works correctly.  Presumably this is because the console now receives -EINVAL
instead of '0' when it asks the driver to blank the screen, so the console
does it manually now.

A signficant refactoring of the driver is planned, and proper hardware
blanking support will added afterwards.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agodrivers/video: fsl-diu-fb: move some definitions out of the header file
Timur Tabi [Wed, 28 Sep 2011 21:19:48 +0000 (16:19 -0500)]
drivers/video: fsl-diu-fb: move some definitions out of the header file

Move several macros and structures from the Freescale DIU driver's header
file into the source file, because they're only used by that file.  Also
delete a few unused macros.

The diu and diu_ad structures cannot be moved because they're being used
by the MPC5121 platform file.  A future patch eliminate the need for
the platform file to access these structs, so they'll be moved also.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agodrivers/video: fsl-diu-fb: fix some ioctls
Timur Tabi [Wed, 5 Oct 2011 00:36:44 +0000 (19:36 -0500)]
drivers/video: fsl-diu-fb: fix some ioctls

Use the _IOx macros to define the ioctl commands, instead of hard-coded
numbers.  Unfortunately, the original definitions of MFB_SET_PIXFMT and
MFB_GET_PIXFMT used the wrong value for the size, so these macros have
new values now.  To avoid breaking binary compatibility with older
applications, we retain support for the original values, but the driver
displays a warning message if they're used.

Also remove the FBIOGET_GWINFO and FBIOPUT_GWINFO ioctls.  FBIOPUT_GWINFO
was never implemented, and FBIOGET_GWINFO was never used by any
application.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agoMerge git://github.com/davem330/net
Linus Torvalds [Tue, 4 Oct 2011 17:37:06 +0000 (10:37 -0700)]
Merge git://github.com/davem330/net

* git://github.com/davem330/net:
  pch_gbe: Fixed the issue on which a network freezes
  pch_gbe: Fixed the issue on which PC was frozen when link was downed.
  make PACKET_STATISTICS getsockopt report consistently between ring and non-ring
  net: xen-netback: correctly restart Tx after a VM restore/migrate
  bonding: properly stop queuing work when requested
  can bcm: fix incomplete tx_setup fix
  RDSRDMA: Fix cleanup of rds_iw_mr_pool
  net: Documentation: Fix type of variables
  ibmveth: Fix oops on request_irq failure
  ipv6: nullify ipv6_ac_list and ipv6_fl_list when creating new socket
  cxgb4: Fix EEH on IBM P7IOC
  can bcm: fix tx_setup off-by-one errors
  MAINTAINERS: tehuti: Alexander Indenbaum's address bounces
  dp83640: reduce driver noise
  ptp: fix L2 event message recognition

13 years agoMerge branch 'fix/asoc' of git://github.com/tiwai/sound
Linus Torvalds [Tue, 4 Oct 2011 16:59:22 +0000 (09:59 -0700)]
Merge branch 'fix/asoc' of git://github.com/tiwai/sound

* 'fix/asoc' of git://github.com/tiwai/sound:
  ASoC: omap_mcpdm_remove cannot be __devexit
  ASoC: Fix setting update bits for WM8753_LADC and WM8753_RADC
  ASoC: use a valid device for dev_err() in Zylonite

13 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Tue, 4 Oct 2011 16:54:18 +0000 (09:54 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/kms: fix channel_remap setup (v2)
  drm/radeon: Set cursor x/y to 0 when x/yorigin > 0.
  drm/radeon: Update AVIVO cursor coordinate origin before x/yorigin calculation.
  drm/radeon: Simplify cursor x/yorigin calculation.
  drm/radeon/kms: fix cursor image off-by-one error
  drm/radeon/kms: Fix logic error in DP HPD handler
  drm/radeon/kms: add retry limits for native DP aux defer
  drm/radeon/kms: fix regression in DP aux defer handling

13 years agoMerge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Tue, 4 Oct 2011 16:52:56 +0000 (09:52 -0700)]
Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6

* 'spi/merge' of git://git.secretlab.ca/git/linux-2.6:
  spi-topcliff-pch: Fix overrun issue
  spi-topcliff-pch: Add recovery processing in case FIFO overrun error occurs
  spi-topcliff-pch: Fix CPU read complete condition issue
  spi-topcliff-pch: Fix SSN Control issue
  spi-topcliff-pch: add tx-memory clear after complete transmitting

13 years agoPCI: Disable MPS configuration by default
Jon Mason [Mon, 3 Oct 2011 14:50:20 +0000 (09:50 -0500)]
PCI: Disable MPS configuration by default

Add the ability to disable PCI-E MPS turning and using the BIOS
configured MPS defaults.  Due to the number of issues recently
discovered on some x86 chipsets, make this the default behavior.

Also, add the option for peer to peer DMA MPS configuration.  Peer to
peer DMA is outside the scope of this patch, but MPS configuration could
prevent it from working by having the MPS on one root port different
than the MPS on another.  To work around this, simply make the system
wide MPS the smallest possible value (128B).

Signed-off-by: Jon Mason <mason@myri.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agodrm/radeon/kms: fix channel_remap setup (v2)
Alex Deucher [Tue, 4 Oct 2011 14:46:34 +0000 (10:46 -0400)]
drm/radeon/kms: fix channel_remap setup (v2)

Most asics just use the hw default value which requires
no explicit programming.  For those that need a different
value, the vbios will program it properly.  As such,
there's no need to program these registers explicitly
in the driver.  Changing MC_SHARED_CHREMAP requires a reload
of all data in vram otherwise its contents will be scambled.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=40103

v2: drop now unused channel_remap functions.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agospi-topcliff-pch: Fix overrun issue
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:38 +0000 (17:16 +0900)]
spi-topcliff-pch: Fix overrun issue

We found that adding load, Rx data sometimes drops.(with DMA transfer mode)
The cause is that before starting Rx-DMA processing, Tx-DMA processing starts.
This causes FIFO overrun occurs.

This patch fixes the issue by modifying FIFO tx-threshold and DMA descriptor
size like below.

                      Current                   this patch
Rx-descriptor   4Byte+12Byte*341    -->    12Byte*340-4Byte-12Byte
Rx-threshold                   (Not modified)
Tx-descriptor   4Byte+12Byte*341    -->    16Byte-12Byte*340
Rx-threshold    12Byte              -->    2Byte

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agospi-topcliff-pch: Add recovery processing in case FIFO overrun error occurs
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:37 +0000 (17:16 +0900)]
spi-topcliff-pch: Add recovery processing in case FIFO overrun error occurs

Add recovery processing in case FIFO overrun error occurs with DMA transfer mode.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agospi-topcliff-pch: Fix CPU read complete condition issue
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:36 +0000 (17:16 +0900)]
spi-topcliff-pch: Fix CPU read complete condition issue

We found Rx data sometimes drops.(with non-DMA transfer mode)
The cause is read complete condition is not true.

This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agospi-topcliff-pch: Fix SSN Control issue
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:35 +0000 (17:16 +0900)]
spi-topcliff-pch: Fix SSN Control issue

During processing 1 command/data series,
SSN should keep LOW.
However, currently, SSN becomes HIGH.
This patch fixes the issue.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agospi-topcliff-pch: add tx-memory clear after complete transmitting
Tomoya MORINAGA [Tue, 6 Sep 2011 08:16:34 +0000 (17:16 +0900)]
spi-topcliff-pch: add tx-memory clear after complete transmitting

Currently, in case of reading date from SPI flash,
command is sent twice.
The cause is that tx-memory clear processing is missing .
This patch adds the tx-momory clear processing.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
13 years agoMerge branch 'viafb-next' of git://github.com/schandinat/linux-2.6 into fbdev-next
Florian Tobias Schandinat [Tue, 4 Oct 2011 09:55:04 +0000 (09:55 +0000)]
Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6 into fbdev-next

13 years agovideo: da8xx-fb: Increased resolution configuration of revised LCDC IP
Manjunathappa, Prakash [Mon, 18 Jul 2011 04:28:53 +0000 (09:58 +0530)]
video: da8xx-fb: Increased resolution configuration of revised LCDC IP

Revised LCD controller in upcoming TI SoC which is an updated version of
LCDC IP that was found on TI's DA850 SoC supports 2048*2048 resolution.
Below are the encoding details:
Width:
Pixels Per Line = {pplmsb, ppllsb, 4'b1111} + 1
Where pplmsb:1bit==>Raster Timing0[3], ppllsb:6bits==>Raster Timing0[9:4].
And encoded value can range from 16 to 2048 in multiples of 16.

Height:
Lines Per Panel = {lpp_b10, lpp}
Where lpp:10bits==>Raster Timing1[9:0], lpp_b10:1bit==>Raster Timing2[26].
And encoded value can range from 1 to 2048, programmable range is 0 to
2047.

Patch is verified on emulation platform of upcoming SoC for updated
feature and on DA850 platform to make sure nothing existing breaks.

Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agoOMAPDSS: picodlp: add missing #include <linux/module.h>
Tomi Valkeinen [Tue, 4 Oct 2011 08:39:38 +0000 (11:39 +0300)]
OMAPDSS: picodlp: add missing #include <linux/module.h>

Compiling panel-picodlp.c failed with:

drivers/video/omap2/displays/panel-picodlp.c:560:12: error:
'THIS_MODULE' undeclared here (not in a function)

Add #include <linux/module.h> to get THIS_MODULE definition.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agolis3: fix regression of HP DriveGuard with 8bit chip
Takashi Iwai [Tue, 4 Oct 2011 01:09:14 +0000 (18:09 -0700)]
lis3: fix regression of HP DriveGuard with 8bit chip

Commit 2a7fade7e03 ("hwmon: lis3: Power on corrections") caused a
regression on HP laptops with 8bit chip.  Writing CTRL2_BOOT_8B bit seems
clearing the BIOS setup, and no proper interrupt for DriveGuard will be
triggered any more.

Since the init code there is basically only for embedded devices, put a
pdata check so that the problematic initialization will be skipped for
hp_accel stuff.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Cc: Samu Onkalo <samu.p.onkalo@nokia.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'hwmon-for-linus' of git://github.com/groeck/linux
Linus Torvalds [Mon, 3 Oct 2011 19:54:56 +0000 (12:54 -0700)]
Merge branch 'hwmon-for-linus' of git://github.com/groeck/linux

* 'hwmon-for-linus' of git://github.com/groeck/linux:
  hwmon: (coretemp) Avoid leaving around dangling pointer
  hwmon: (coretemp) Fixup platform device ID change

13 years agoMerge git://github.com/davem330/ide
Linus Torvalds [Mon, 3 Oct 2011 19:53:43 +0000 (12:53 -0700)]
Merge git://github.com/davem330/ide

* git://github.com/davem330/ide:
  ide-disk: Fix request requeuing

13 years agoMerge branch 'btrfs-3.0' of git://github.com/chrismason/linux
Linus Torvalds [Mon, 3 Oct 2011 19:17:44 +0000 (12:17 -0700)]
Merge branch 'btrfs-3.0' of git://github.com/chrismason/linux

* 'btrfs-3.0' of git://github.com/chrismason/linux:
  Btrfs: force a page fault if we have a shorty copy on a page boundary

13 years agoide-disk: Fix request requeuing
Borislav Petkov [Mon, 3 Oct 2011 18:28:18 +0000 (14:28 -0400)]
ide-disk: Fix request requeuing

Simon Kirby reported that on his RAID setup with idedisk underneath
the box OOMs after a couple of days of runtime. Running with
CONFIG_DEBUG_KMEMLEAK pointed to idedisk_prep_fn() which unconditionally
allocates an ide_cmd struct. However, ide_requeue_and_plug() can be
called more than once per request, either from the request issue or the
IRQ handler path and do blk_peek_request() ends up in idedisk_prep_fn()
repeatedly, allocating a struct ide_cmd everytime and "forgetting" the
previous pointer.

Make sure the code reuses the old allocated chunk.

Reported-and-tested-by: Simon Kirby <sim@hostway.ca>
Cc: <stable@kernel.org> [ 39.x, 3.0.x ]
Link: http://marc.info/?l=linux-kernel&m=131667641517919
Link: http://lkml.kernel.org/r/20110922072643.GA27232@hostway.ca
Signed-off-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agopch_gbe: Fixed the issue on which a network freezes
Toshiharu Okada [Sun, 25 Sep 2011 21:27:43 +0000 (21:27 +0000)]
pch_gbe: Fixed the issue on which a network freezes

The pch_gbe driver has an issue which a network stops,
when receiving traffic is high.
In the case, The link down and up are necessary to return a network.

This patch fixed this issue.

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agopch_gbe: Fixed the issue on which PC was frozen when link was downed.
Toshiharu Okada [Sun, 25 Sep 2011 21:27:42 +0000 (21:27 +0000)]
pch_gbe: Fixed the issue on which PC was frozen when link was downed.

When a link was downed during network use,
there is an issue on which PC freezes.

This patch fixed this issue.

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agomake PACKET_STATISTICS getsockopt report consistently between ring and non-ring
Willem de Bruijn [Fri, 30 Sep 2011 10:38:28 +0000 (10:38 +0000)]
make PACKET_STATISTICS getsockopt report consistently between ring and non-ring

This is a minor change.

Up until kernel 2.6.32, getsockopt(fd, SOL_PACKET, PACKET_STATISTICS,
...) would return total and dropped packets since its last invocation. The
introduction of socket queue overflow reporting [1] changed drop
rate calculation in the normal packet socket path, but not when using a
packet ring. As a result, the getsockopt now returns different statistics
depending on the reception method used. With a ring, it still returns the
count since the last call, as counts are incremented in tpacket_rcv and
reset in getsockopt. Without a ring, it returns 0 if no drops occurred
since the last getsockopt and the total drops over the lifespan of
the socket otherwise. The culprit is this line in packet_rcv, executed
on a drop:

drop_n_acct:
        po->stats.tp_drops = atomic_inc_return(&sk->sk_drops);

As it shows, the new drop number it taken from the socket drop counter,
which is not reset at getsockopt. I put together a small example
that demonstrates the issue [2]. It runs for 10 seconds and overflows
the queue/ring on every odd second. The reported drop rates are:
ring: 16, 0, 16, 0, 16, ...
non-ring: 0, 15, 0, 30, 0, 46, 0, 60, 0 , 74.

Note how the even ring counts monotonically increase. Because the
getsockopt adds tp_drops to tp_packets, total counts are similarly
reported cumulatively. Long story short, reinstating the original code, as
the below patch does, fixes the issue at the cost of additional per-packet
cycles. Another solution that does not introduce per-packet overhead
is be to keep the current data path, record the value of sk_drops at
getsockopt() at call N in a new field in struct packetsock and subtract
that when reporting at call N+1. I'll be happy to code that, instead,
it's just more messy.

[1] http://patchwork.ozlabs.org/patch/35665/
[2] http://kernel.googlecode.com/files/test-packetsock-getstatistics.c

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet: xen-netback: correctly restart Tx after a VM restore/migrate
David Vrabel [Fri, 30 Sep 2011 06:37:51 +0000 (06:37 +0000)]
net: xen-netback: correctly restart Tx after a VM restore/migrate

If a VM is saved and restored (or migrated) the netback driver will no
longer process any Tx packets from the frontend.  xenvif_up() does not
schedule the processing of any pending Tx requests from the front end
because the carrier is off.  Without this initial kick the frontend
just adds Tx requests to the ring without raising an event (until the
ring is full).

This was caused by 47103041e91794acdbc6165da0ae288d844c820b (net:
xen-netback: convert to hw_features) which reordered the calls to
xenvif_up() and netif_carrier_on() in xenvif_connect().

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agobonding: properly stop queuing work when requested
Andy Gospodarek [Fri, 23 Sep 2011 10:53:34 +0000 (10:53 +0000)]
bonding: properly stop queuing work when requested

During a test where a pair of bonding interfaces using ARP monitoring
were both brought up and torn down (with an rmmod) repeatedly, a panic
in the timer code was noticed.  I tracked this down and determined that
any of the bonding functions that ran as workqueue handlers and requeued
more work might not properly exit when the module was removed.

There was a flag protected by the bond lock called kill_timers that is
set when the interface goes down or the module is removed, but many of
the functions that monitor link status now unlock the bond lock to take
rtnl first.  There is a chance that another CPU running the rmmod could
get the lock and set kill_timers after the first check has passed.

This patch does not allow any function to queue work that will make
itself run unless kill_timers is not set.  I also noticed while doing
this work that bond_resend_igmp_join_requests did not have a check for
kill_timers, so I added the needed call there as well.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Reported-by: Liang Zheng <lzheng@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agodrm/radeon: Set cursor x/y to 0 when x/yorigin > 0.
Michel Dänzer [Fri, 30 Sep 2011 15:16:53 +0000 (17:16 +0200)]
drm/radeon: Set cursor x/y to 0 when x/yorigin > 0.

Apart from the obvious cleanup, this should make the line

cursor_end = x - xorigin + w;

correct now.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon: Update AVIVO cursor coordinate origin before x/yorigin calculation.
Michel Dänzer [Fri, 30 Sep 2011 15:16:52 +0000 (17:16 +0200)]
drm/radeon: Update AVIVO cursor coordinate origin before x/yorigin calculation.

Fixes cursor disappearing prematurely when moving off a top/left edge which
is not located at the desktop top/left edge.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon: Simplify cursor x/yorigin calculation.
Michel Dänzer [Fri, 30 Sep 2011 15:16:51 +0000 (17:16 +0200)]
drm/radeon: Simplify cursor x/yorigin calculation.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: fix cursor image off-by-one error
Nicholas Miell [Fri, 30 Sep 2011 02:07:14 +0000 (19:07 -0700)]
drm/radeon/kms: fix cursor image off-by-one error

The mouse cursor hotspot calculation when the cursor is partially off the
top or left side of the screen was off by one.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=41158

Signed-off-by: Nicholas Miell <nmiell@gmail.com>
Reviewed-by: Michel Dänzer <michel@daenzer.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: Fix logic error in DP HPD handler
Alex Deucher [Mon, 3 Oct 2011 12:37:33 +0000 (08:37 -0400)]
drm/radeon/kms: Fix logic error in DP HPD handler

Only disable the pipe if the monitor is physically
disconnected.  The previous logic also disabled the
pipe if the link was trained.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=41248

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: add retry limits for native DP aux defer
Alex Deucher [Mon, 3 Oct 2011 13:13:46 +0000 (09:13 -0400)]
drm/radeon/kms: add retry limits for native DP aux defer

The previous code could potentially loop forever.  Limit
the number of DP aux defer retries to 4 for native aux
transactions, same as i2c over aux transactions.

Noticed by: Brad Campbell <lists2009@fnarfbargle.com>

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Brad Campbell <lists2009@fnarfbargle.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agodrm/radeon/kms: fix regression in DP aux defer handling
Alex Deucher [Mon, 3 Oct 2011 13:13:45 +0000 (09:13 -0400)]
drm/radeon/kms: fix regression in DP aux defer handling

An incorrect ordering in the error checking code lead
to DP aux defer being skipped in the aux native write
path.  Move the bytes transferred check (ret == 0)
below the defer check.

Tracked down by: Brad Campbell <brad@fnarfbargle.com>

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=41121

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Brad Campbell <brad@fnarfbargle.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
13 years agofb: fix au1100fb bitrot.
Manuel Lauss [Fri, 30 Sep 2011 18:49:43 +0000 (20:49 +0200)]
fb: fix au1100fb bitrot.

Removes some bitrot from the au1100fb driver and fix it up so it works again.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agomx3fb: fix NULL pointer dereference in screen blanking.
Wolfram Stering [Fri, 23 Sep 2011 12:09:35 +0000 (14:09 +0200)]
mx3fb: fix NULL pointer dereference in screen blanking.

When blanking an already blanked framebuffer, a kernel NULL pointer
dereference occurred, because mx3fb driver handles all kinds of screen
blanking (normal, vsync suspend, powerdown) in the same way.
Certain programs (Xorg X11 server) first do a normal blank, followed by
a powerdown blank, which triggered the bug.

Add an additional safeguard and make sdc_disable_channel() safe against
multiple calls independent of other logic.

Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agovideo: irq: Remove IRQF_DISABLED
Yong Zhang [Thu, 22 Sep 2011 08:59:16 +0000 (16:59 +0800)]
video: irq: Remove IRQF_DISABLED

Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).

So now this flag is a NOOP and can be removed.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agosmscufx: change edid data to u8 instead of char
Dan Carpenter [Wed, 21 Sep 2011 07:16:24 +0000 (10:16 +0300)]
smscufx: change edid data to u8 instead of char

Having "edid" as char caused a problem in ufx_read_edid() where we
compared "edid[i] != 0xFF".  Because of the type difference, the
condition was never true and the error checking failed.

Also I added a __user notation to silence a sparse complaint.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
13 years agoOMAPDSS: DISPC: zorder support for DSS overlays
Archit Taneja [Thu, 8 Sep 2011 05:59:17 +0000 (11:29 +0530)]
OMAPDSS: DISPC: zorder support for DSS overlays

Add zorder support on OMAP4, this feature allows deciding the visibility order
of the overlays based on the zorder value provided as an overlay info parameter
or a sysfs attribute of the overlay object.

Use the overlay cap OMAP_DSS_OVL_CAP_ZORDER to determine whether zorder is
supported for the overlay or not. Use dss feature FEAT_ALPHA_FREE_ZORDER
if the caps are not available.

Ensure that all overlays that are enabled and connected to the same manager
have different zorders. Swapping zorders of 2 enabled overlays currently
requires disabling one of the overlays.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: DISPC: VIDEO3 pipeline support
Archit Taneja [Tue, 13 Sep 2011 12:50:33 +0000 (18:20 +0530)]
OMAPDSS: DISPC: VIDEO3 pipeline support

Add support for VIDEO3 pipeline on OMAP4:
- Add VIDEO3 pipeline information in dss_features and omapdss.h
- Add VIDEO3 pipeline register coefficients in dispc.h
- Create a new overlay structure corresponding to VIDEO3.
- Make changes in dispc.c for VIDEO3

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS/OMAP_VOUT: Fix incorrect OMAP3-alpha compatibility setting
Archit Taneja [Mon, 26 Sep 2011 06:17:29 +0000 (11:47 +0530)]
OMAPDSS/OMAP_VOUT: Fix incorrect OMAP3-alpha compatibility setting

On OMAP3, in order to enable alpha blending for LCD and TV managers, we needed
to set LCDALPHABLENDERENABLE/TVALPHABLENDERENABLE bits in DISPC_CONFIG. On
OMAP4, alpha blending is always enabled by default, if the above bits are set,
we switch to an OMAP3 compatibility mode where the zorder values in the pipeline
attribute registers are ignored and a fixed priority is configured.

Rename the manager_info member "alpha_enabled" to "partial_alpha_enabled" for
more clarity. Introduce two dss_features FEAT_ALPHA_FIXED_ZORDER and
FEAT_ALPHA_FREE_ZORDER which represent OMAP3-alpha compatibility mode and OMAP4
alpha mode respectively. Introduce an overlay cap for ZORDER. The DSS2 user is
expected to check for the ZORDER cap, if an overlay doesn't have this cap, the
user is expected to set the parameter partial_alpha_enabled. If the overlay has
ZORDER cap, the DSS2 user can assume that alpha blending is already enabled.

Don't support OMAP3 compatibility mode for now. Trying to read/write to
alpha_blending_enabled sysfs attribute issues a warning for OMAP4 and does not
set the LCDALPHABLENDERENABLE/TVALPHABLENDERENABLE bits.

Change alpha_enabled to partial_alpha_enabled in the omap_vout driver. Use
overlay cap "OMAP_DSS_OVL_CAP_GLOBAL_ALPHA" to check if overlay supports alpha
blending or not. Replace this with checks for VIDEO1 pipeline.

Cc: linux-media@vger.kernel.org
Cc: Lajos Molnar <molnar@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agovideo/omap: fix build dependencies
Arnd Bergmann [Sun, 2 Oct 2011 14:45:33 +0000 (16:45 +0200)]
video/omap: fix build dependencies

Four of the LCD panel drivers depend on the backlight class,
so add the dependency in Kconfig.
Selecting the BACKLIGHT_CLASS_DEVICE symbol does not generally
work since it has other dependencies.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[tomi.valkeinen@ti.com: changed also N8x0 panel]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoMerge branch 'for-linus' of git://git.infradead.org/users/sameo/mfd-2.6
Linus Torvalds [Mon, 3 Oct 2011 02:23:44 +0000 (19:23 -0700)]
Merge branch 'for-linus' of git://git.infradead.org/users/sameo/mfd-2.6

* 'for-linus' of git://git.infradead.org/users/sameo/mfd-2.6:
  mfd: Fix generic irq chip ack function name for jz4740-adc

13 years agoMerge branch 'for-linus' of git://github.com/tiwai/sound
Linus Torvalds [Mon, 3 Oct 2011 02:22:44 +0000 (19:22 -0700)]
Merge branch 'for-linus' of git://github.com/tiwai/sound

* 'for-linus' of git://github.com/tiwai/sound:
  ALSA: hda - Fix a regression of the position-buffer check

13 years agoASoC: omap_mcpdm_remove cannot be __devexit
Arnd Bergmann [Sun, 2 Oct 2011 14:45:31 +0000 (16:45 +0200)]
ASoC: omap_mcpdm_remove cannot be __devexit

omap_mcpdm_remove is used from asoc_mcpdm_probe, which is an
initcall, and must not be discarded when HOTPLUG is disabled.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
13 years agoASoC: Fix setting update bits for WM8753_LADC and WM8753_RADC
Axel Lin [Sun, 2 Oct 2011 12:41:04 +0000 (20:41 +0800)]
ASoC: Fix setting update bits for WM8753_LADC and WM8753_RADC

Current code set update bits for WM8753_LDAC and WM8753_RDAC twice,
but missed setting update bits for WM8753_LADC and WM8753_RADC.

I think it is a copy-paste bug in commit 776065
"ASoC: codecs: wm8753: Fix register cache incoherency".

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
13 years agoASoC: use a valid device for dev_err() in Zylonite
Arnd Bergmann [Sat, 1 Oct 2011 20:03:34 +0000 (22:03 +0200)]
ASoC: use a valid device for dev_err() in Zylonite

A recent conversion has introduced references to &pdev->dev, which does
not actually exist in all the contexts it's used in.

Replace this with card->dev where necessary, in order to let
the driver build again.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org
13 years agoMerge branch 'perf-urgent-for-linus' of git://tesla.tglx.de/git/linux-2.6-tip
Linus Torvalds [Sun, 2 Oct 2011 00:46:13 +0000 (17:46 -0700)]
Merge branch 'perf-urgent-for-linus' of git://tesla.tglx.de/git/linux-2.6-tip

* 'perf-urgent-for-linus' of git://tesla.tglx.de/git/linux-2.6-tip:
  perf tools: Fix raw sample reading

13 years agoMerge branches 'irq-urgent-for-linus', 'x86-urgent-for-linus' and 'sched-urgent-for...
Linus Torvalds [Sat, 1 Oct 2011 15:37:25 +0000 (08:37 -0700)]
Merge branches 'irq-urgent-for-linus', 'x86-urgent-for-linus' and 'sched-urgent-for-linus' of git://tesla.tglx.de/git/linux-2.6-tip

* 'irq-urgent-for-linus' of git://tesla.tglx.de/git/linux-2.6-tip:
  irq: Fix check for already initialized irq_domain in irq_domain_add
  irq: Add declaration of irq_domain_simple_ops to irqdomain.h

* 'x86-urgent-for-linus' of git://tesla.tglx.de/git/linux-2.6-tip:
  x86/rtc: Don't recursively acquire rtc_lock

* 'sched-urgent-for-linus' of git://tesla.tglx.de/git/linux-2.6-tip:
  posix-cpu-timers: Cure SMP wobbles
  sched: Fix up wchan borkage
  sched/rt: Migrate equal priority tasks to available CPUs

13 years agoBtrfs: force a page fault if we have a shorty copy on a page boundary
Josef Bacik [Fri, 30 Sep 2011 19:23:54 +0000 (15:23 -0400)]
Btrfs: force a page fault if we have a shorty copy on a page boundary

A user reported a problem where ceph was getting into 100% cpu usage while doing
some writing.  It turns out it's because we were doing a short write on a not
uptodate page, which means we'd fall back at one page at a time and fault the
page in.  The problem is our position is on the page boundary, so our fault in
logic wasn't actually reading the page, so we'd just spin forever or until the
page got read in by somebody else.  This will force a readpage if we end up
doing a short copy.  Alexandre could reproduce this easily with ceph and reports
it fixes his problem.  I also wrote a reproducer that no longer hangs my box
with this patch.  Thanks,

Reported-and-tested-by: Alexandre Oliva <aoliva@redhat.com>
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
13 years agoMerge branch 'perf/urgent' of git://github.com/acmel/linux into perf/urgent
Ingo Molnar [Fri, 30 Sep 2011 18:08:56 +0000 (20:08 +0200)]
Merge branch 'perf/urgent' of git://github.com/acmel/linux into perf/urgent

13 years agoOMAP: Apollon: Port the display driver to new DSS2
Tomi Valkeinen [Mon, 9 May 2011 07:13:20 +0000 (10:13 +0300)]
OMAP: Apollon: Port the display driver to new DSS2

Port the old omapfb panel driver to DSS2. This patch changes the board
file only, the driver is ported in separate patch.

Cc: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: H4: Port the display driver to new DSS2
Tomi Valkeinen [Mon, 9 May 2011 07:12:42 +0000 (10:12 +0300)]
OMAP: H4: Port the display driver to new DSS2

Port the old omapfb panel driver to DSS2. This patch changes the board
file only, the driver is ported in separate patch.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: LDP: Port the display driver to new DSS2
Tomi Valkeinen [Mon, 9 May 2011 07:11:51 +0000 (10:11 +0300)]
OMAP: LDP: Port the display driver to new DSS2

Port the old omapfb panel driver to DSS2. This patch changes the board
file only, the driver is ported in separate patch.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Stanley Miao <stanley.miao@windriver.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: 2420SDP: Port the display driver to new DSS2
Tomi Valkeinen [Tue, 19 Apr 2011 16:23:05 +0000 (19:23 +0300)]
OMAP: 2420SDP: Port the display driver to new DSS2

Port the old omapfb panel driver to DSS2. This patch changes the board
file only, the driver is ported in separate patch.

Cc: Hunyue Yau <hyau@mvista.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: omap3touchbook: Remove unused lcd stuff
Tomi Valkeinen [Tue, 19 Apr 2011 16:36:33 +0000 (19:36 +0300)]
OMAP: omap3touchbook: Remove unused lcd stuff

board-omap3touchbook.c adds an LCD device, but the kernel doesn't
contain a driver for the device. So let's remove the unneeded LCD
device.

Cc: Gregoire Gentil <gregoire@gentil.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: RX51: Remove unused old omapfb stuff
Tomi Valkeinen [Tue, 19 Apr 2011 16:33:29 +0000 (19:33 +0300)]
OMAP: RX51: Remove unused old omapfb stuff

RX51 uses the new DSS2 display driver, but the board file still
contained some code for the old omapfb driver. The old code can be
removed.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP4: 4430SDP: Add picodlp support to board file
Tomi Valkeinen [Wed, 3 Aug 2011 11:39:09 +0000 (14:39 +0300)]
OMAP4: 4430SDP: Add picodlp support to board file

An on-board projector named picodlp is available for OMAP4430 SDP.

Entry for this picodlp as a panel is being added in dss_devices array to
the board file.  It needs 4 GPIO pins for interfacing with host
processor and these are defined and two of them are configured in board
file.  Two GPIOs power_on and display_select are configured here.
picodlp also needs an i2c client over i2c controller-2 at address 0x1b.

Signed-off-by: Mayuresh Janorkar <mayur@ti.com>
Signed-off-by: Mythri P K <mythripk@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP4: 4430SDP: Add panel support to board file
Tomi Valkeinen [Tue, 6 Sep 2011 08:31:02 +0000 (11:31 +0300)]
OMAP4: 4430SDP: Add panel support to board file

4430SDP has two Taal DSI panels, connected to DSI 1 and DSI 2 modules.
The panels use a common PWM backlight, which will be implemented later
when the PWM driver has been improved to support the backlight.

Until the PWM driver has been improved, the following hack added to
arch/arm/mach-omap2/board-4430sdp.c can be used to set the backlight to
max:

static int omap_4430sdp_hack_backlight(void)
{
       twl_i2c_write_u8(TWL_MODULE_PWM, 0x7f, LED_PWM2OFF);
       twl_i2c_write_u8(TWL_MODULE_PWM, 0x7f, LED_PWM2ON);
       twl_i2c_write_u8(TWL6030_MODULE_ID1, 0x30, TWL6030_TOGGLE3);
       return 0;
}
late_initcall(omap_4430sdp_hack_backlight);

Signed-off-by: Archit Taneja <archit@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: 4430SDP: Remove unneeded lcd config
Tomi Valkeinen [Tue, 20 Sep 2011 06:11:00 +0000 (09:11 +0300)]
OMAP: 4430SDP: Remove unneeded lcd config

4430SDP board file contains some unused old LCD configurations. They are
not used and can be removed.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: remove vaddr from overlay info
Tomi Valkeinen [Mon, 26 Sep 2011 16:16:59 +0000 (19:16 +0300)]
OMAPDSS: remove vaddr from overlay info

overlay_info struct, used to configure overlays, currently includes both
physical and virtual addresses for the pixels. The vaddr was added to
support more exotic configurations where CPU would be used to update a
display, but it is not currently used and there has been no interest in
the feature. Using CPU to update a screen is also less interesting now
that OMAP4 has two LCD outputs.

This patch removes the vaddr field, and modifies the users of omapdss
accordingly. This makes the use of omapdss a bit simpler, as the user
doesn't need to think if it needs to give the vaddr.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: HDMI: Add support to dump registers through debugfs
Mythri P K [Thu, 22 Sep 2011 08:07:45 +0000 (13:37 +0530)]
OMAPDSS: HDMI: Add support to dump registers through debugfs

Add support to dump the HDMI wrapper, core, PLL and PHY registers
through debugfs.

Signed-off-by: Mythri P K <mythripk@ti.com>
[tomi.valkeinen@ti.com: updated the description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: HDMI: Add missing register definitions
Mythri P K [Thu, 22 Sep 2011 08:07:44 +0000 (13:37 +0530)]
OMAPDSS: HDMI: Add missing register definitions

Add some of the missing register definitions, which are h/w indexable.

Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: HDMI: Replace hdmi_reg struct with u16
Mythri P K [Thu, 22 Sep 2011 08:07:43 +0000 (13:37 +0530)]
OMAPDSS: HDMI: Replace hdmi_reg struct with u16

Remove usage of hdmi_reg struct to use u16 instead in the HDMI IP header
file. hdmi_reg struct is not really needed, and the same change was also
made for dispc earlier.

Signed-off-by: Mythri P K <mythripk@ti.com>
[tomi.valkeinen@ti.com: updated the description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: HDMI: Move the comments in avi infoframe
Mythri P K [Thu, 22 Sep 2011 08:07:42 +0000 (13:37 +0530)]
OMAPDSS: HDMI: Move the comments in avi infoframe

Move the comments in AVI infoframe structure above each parameter
to align with other comments in the header file.

Signed-off-by: Mythri P K <mythripk@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: Add N800 panel driver
Tomi Valkeinen [Thu, 21 Apr 2011 16:53:59 +0000 (19:53 +0300)]
OMAPDSS: Add N800 panel driver

This is a driver for N800's display, ported from the old omapfb. This is
a slightly lighter version of the driver as not all features of the old
driver can be ported without big changes to DSS2, and also because some
of the HW features used in the old driver are unclear (e.g. the power
management part).

That said, the new driver works fine for basic use.

Architecturally the driver is not as neat as it could be. N800's display
HW consists of a display buffer chip and a panel, and ideally they would
be represented by separate, independent drivers. This is not currently
possible, and this driver contains both buffer chip and panel driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: Port the Apollon display driver to DSS2
Tomi Valkeinen [Wed, 20 Apr 2011 07:47:28 +0000 (10:47 +0300)]
OMAPDSS: Port the Apollon display driver to DSS2

Port the old omapfb panel driver for Apollon to DSS2.

Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: Port the H4 display driver to DSS2
Tomi Valkeinen [Tue, 19 Apr 2011 16:59:58 +0000 (19:59 +0300)]
OMAPDSS: Port the H4 display driver to DSS2

Port the old omapfb panel driver for H4 to DSS2.

Cc: Imre Deak <imre.deak@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: Port 2430sdp display driver to DSS2
Tomi Valkeinen [Tue, 19 Apr 2011 16:23:05 +0000 (19:23 +0300)]
OMAPDSS: Port 2430sdp display driver to DSS2

Port the old omapfb panel driver for 2430SDP to DSS2.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPFB: Remove unused lcd drivers
Tomi Valkeinen [Tue, 19 Apr 2011 16:30:04 +0000 (19:30 +0300)]
OMAPFB: Remove unused lcd drivers

drivers/video/omap/ contains some lcd drivers which are not used by any
board. They can be removed.

Cc: Arun C <arunedarath@mistralsolutions.com>
Acked-by: Koen Kooi <koen@openembedded.org>
Acked-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: Taal: remove external backlight support
Tomi Valkeinen [Tue, 9 Aug 2011 08:39:27 +0000 (11:39 +0300)]
OMAPDSS: Taal: remove external backlight support

Taal panel driver supports two kinds of backlight control: 1) using DSI
commands sent to the panel to control the backlight, 2) calling function
pointers going to the board file to control the backlight.

The second option is a bit hacky, and will no longer be needed when the
PWM driver supports the backlight features. After that we can use the
standard PWM backlight driver.

This patch removes the second backlight control mechanism, and adds a
boolean field, use_dsi_backlight, to nokia_dsi_panel_data which the
board file can use to inform whether the panel driver should use DSI
commands to control the backlight.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: FEATURES: Create a range param to get max downscaling
Archit Taneja [Thu, 8 Sep 2011 07:55:17 +0000 (13:25 +0530)]
OMAPDSS: FEATURES: Create a range param to get max downscaling

Create a dss_range_param member called FEAT_PARAM_DOWNSCALE to get the maximum
downscaling possible on the current platform. Use this in
dispc_ovl_calc_scaling().

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: DISPC: Clean up scaling related clock and five tap calculations
Archit Taneja [Thu, 8 Sep 2011 07:45:11 +0000 (13:15 +0530)]
OMAPDSS: DISPC: Clean up scaling related clock and five tap calculations

Move DISPC scaling related code from dispc_ovl_setup() to a new function
dispc_ovl_calc_scaling(). Use overlay caps to check if the overlay can scale or
not. No functional changes are made.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: DISPC: Remove hardcoded use of PPL in five tap clock calculation
Archit Taneja [Thu, 8 Sep 2011 07:21:10 +0000 (12:51 +0530)]
OMAPDSS: DISPC: Remove hardcoded use of PPL in five tap clock calculation

The function calc_fclk_five_taps() uses a fixed value of pixels per line which
is used in calculations to get the minimum fclk needed for scaling with five
taps to work.

Remove this by providing the width of the panel connected to the manager.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: DISPC: Get correct pixel clock for TV manager
Archit Taneja [Tue, 13 Sep 2011 12:58:41 +0000 (18:28 +0530)]
OMAPDSS: DISPC: Get correct pixel clock for TV manager

dispc_mgr_pclk_rate() is used to calculate minimum required functional clock for
scaling in calc_fclk() and calc_fclk_five_taps(). This function returns the
correct pixel clock for LCD and LCD2 managers, but not for TV manager. Extend
this function so that it gets the correct pixel clock for TV manager.

This also prevents the crash we get when we try to scale overlays connected to
TV manager. The current code leads to a BUG() being executed if we call
dispc_mgr_pclk_rate() for the TV manager.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: DISPC: Create helper function dispc_mgr_is_lcd()
Archit Taneja [Thu, 8 Sep 2011 07:00:19 +0000 (12:30 +0530)]
OMAPDSS: DISPC: Create helper function dispc_mgr_is_lcd()

Create a helper function called dispc_mgr_is_lcd() which returns true if the
manager is LCD or LCD2.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: DISPC: Pass overlay params as arguments to dispc_ovl_setup()
Archit Taneja [Wed, 14 Sep 2011 06:22:54 +0000 (11:52 +0530)]
OMAPDSS: DISPC: Pass overlay params as arguments to dispc_ovl_setup()

dispc_ovl_enable_replication() and dispc_ovl_set_fifo_threshold() are currently
called in configure_overlay(). These are the only functions which cause DISPC
register writes of overlay parameters outside of dispc_ovl_setup().

Move these to dispc_ovl_setup() and pass replication, fifo_low and fifo_high
thresholds as arguments to dispc_ovl_setup() in order to be aligned with other
overlay parameters. No functional changes are made.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPDSS: DISPC: Reduce the number of arguments in dispc_ovl_setup()
Archit Taneja [Wed, 14 Sep 2011 05:40:10 +0000 (11:10 +0530)]
OMAPDSS: DISPC: Reduce the number of arguments in dispc_ovl_setup()

dispc_ovl_setup() currently takes a large number of overlay arguments, most of
these are members of the overlay_info struct. Replace these arguments by
passing a overlay_info pointer instead.

In configure_overlay(), we create an overlay_info struct called new_oi, this is
a copy of the overlay cache's overlay_info member. Update the new_oi parameters
which could have been possibly changed in configure_overlay(). Pass its pointer
pointer to dispc_ovl_setup().

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAPFB: find best mode from edid
Tomi Valkeinen [Thu, 25 Aug 2011 14:15:14 +0000 (17:15 +0300)]
OMAPFB: find best mode from edid

Use the new read_edid() function to get EDID information from the
display (when available), and use the information to use a suitable mode
at initialization time.

Hot-plug is not yet supported, so the timings selected at init time will
stay even if the monitor would be changed.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: Add DDC i2c_bus_num to board files
Tomi Valkeinen [Mon, 29 Aug 2011 14:48:19 +0000 (17:48 +0300)]
OMAP: Add DDC i2c_bus_num to board files

Add i2c bus number for DVI output for boards with DVI output where the
i2c bus has been confirmed to be connected and working. The driver uses
this to detect if a panel is connected and to read EDID.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
13 years agoOMAP: DSS2: panel-generic-dpi: remove "generic" panel
Tomi Valkeinen [Fri, 9 Sep 2011 14:35:14 +0000 (17:35 +0300)]
OMAP: DSS2: panel-generic-dpi: remove "generic" panel

Remove the "generic" panel config entry, which is not used.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>