linux-stable.git/drivers/video/mx3fb.c, branch linux-3.10.y

drivers/video/mx3fb.c: use NULL for pointer

2013-02-22T01:22:19+00:00

Fix the following sparse error:

  drivers/video/mx3fb.c:1309:28: warning: Using plain integer as NULL pointer

Signed-off-by: Fabio Estevam 
Acked-by: Guennadi Liakhovetski 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

video: mx3fb: remove unneeded mach/hardware.h inclusion

2012-10-15T02:03:14+00:00

The inclusion of mach/hardware.h is not used by the driver at all.
Remove it.

Signed-off-by: Shawn Guo 
Acked-by: Sascha Hauer 
Acked-by: Arnd Bergmann 
Cc: Florian Tobias Schandinat 
Cc: linux-fbdev@vger.kernel.org

dma: ipu: rename mach/ipu.h to include/linux/dma/ipu-dma.h

2012-10-15T02:03:12+00:00

The header ipu.h really belongs to dma subsystem rather than imx
platform.  Rename it to ipu-dma.h and put it into include/linux/dma/.

Signed-off-by: Shawn Guo 
Acked-by: Guennadi Liakhovetski 
Acked-by: Sascha Hauer 
Acked-by: Arnd Bergmann 
Cc: Vinod Koul 
Cc: Florian Tobias Schandinat 
Cc: linux-media@vger.kernel.org
Cc: linux-fbdev@vger.kernel.org

Merge tag 'fbdev-updates-for-3.7' of git://github.com/schandinat/linux-2.6

2012-10-12T01:21:02+00:00

Pull fbdev updates from Florian Tobias Schandinat:
 "This includes:
   - large updates for OMAP
     - basic OMAP5 DSS support for DPI and DSI outputs
     - large cleanups and restructuring
   - some update to Exynos and da8xx-fb
   - removal of the pnx4008 driver (arch removed)
   - various other small patches"

Fix up some trivial conflicts (mostly just include line changes, but
also some due to the renaming of the deferred work functions by Tejun).

* tag 'fbdev-updates-for-3.7' of git://github.com/schandinat/linux-2.6: (193 commits)
  gbefb: fix compile error
  video: mark nuc900fb_map_video_memory as __devinit
  video/mx3fb: set .owner to prevent module unloading while being used
  video: exynos_dp: use clk_prepare_enable and clk_disable_unprepare
  drivers/video/exynos/exynos_mipi_dsi.c: fix error return code
  drivers/video/savage/savagefb_driver.c: fix error return code
  video: s3c-fb: use clk_prepare_enable and clk_disable_unprepare
  da8xx-fb: save and restore LCDC context across suspend/resume cycle
  da8xx-fb: add pm_runtime support
  video/udlfb: fix line counting in fb_write
  OMAPDSS: add missing include for string.h
  OMAPDSS: DISPC: Configure color conversion coefficients for writeback
  OMAPDSS: DISPC: Add manager like functions for writeback
  OMAPDSS: DISPC: Configure writeback FIFOs
  OMAPDSS: DISPC: Configure writeback specific parameters in dispc_wb_setup()
  OMAPDSS: DISPC: Configure overlay-like parameters in dispc_wb_setup
  OMAPDSS: DISPC: Add function to set channel in for writeback
  OMAPDSS: DISPC: Don't set chroma resampling bit for writeback
  OMAPDSS: DISPC: Downscale chroma if plane is writeback
  OMAPDSS: DISPC: Configure input and output sizes for writeback
  ...

video/mx3fb: set .owner to prevent module unloading while being used

2012-10-10T02:06:51+00:00

Signed-off-by: Uwe Kleine-König 
Signed-off-by: Florian Tobias Schandinat

ARM: imx: move platform_data definitions

2012-09-14T09:17:21+00:00

Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.

This moves such data out of the imx include directories

Signed-off-by: Arnd Bergmann 
Acked-by: Mark Brown 
Acked-by: Greg Kroah-Hartman 
Acked-by: Nicolas Pitre 
Acked-by: Mauro Carvalho Chehab 
Acked-by: Sascha Hauer 
Acked-by: Vinod Koul 
Cc: Russell King 
Cc: Dan Williams 
Cc: "Ben Dooks (embedded platforms)" 
Cc: "Wolfram Sang (embedded platforms)" 
Cc: Chris Ball 
Cc: David Woodhouse 
Cc: Grant Likely 
Cc: Alan Cox 
Cc: Felipe Balbi 
Cc: Alan Stern 
Cc: Florian Tobias Schandinat 
Cc: Liam Girdwood 
Cc: Javier Martin 
Cc: Shawn Guo 
Cc: Guennadi Liakhovetski

mx3fb: avoid screen flash when panning with fb_set_var

2012-06-27T06:59:51+00:00

Users may call FBIOPUT_VSCREENINFO ioctrl to do pan display.
This ioctrl relies on fb_set_var() to do the job. fb_set_var()
calls custom fb_set_par() method and then calls custom
fb_pan_display() method. The current implementation of mx3fb
reinitializes IPU display controller every time the custom
fb_set_par() method is called, which makes the screen flash
if fb_set_var() is called to do panning frequently. This patch
compares the new var info with the cached old one to decide
whether we really need to reinitialize IPU display controller.
We ignore xoffset and yoffset update because it doesn't require
to reinitialize the controller. Users may specify activate field
of var info with FB_ACTIVATE_NOW and FB_ACTIVATE_FORCE to
reinialize the controller by force.

Signed-off-by: Liu Ying 
Signed-off-by: Florian Tobias Schandinat

mx3fb: support pan display with fb_set_var

2012-06-27T06:59:51+00:00

Users may call FBIOPUT_VSCREENINFO ioctrl to do pan display.
This ioctrl relies on fb_set_var() to do the job. fb_set_var()
calls the custom fb_set_par() method and then calls the custom
fb_pan_display() method. Before calling the custom fb_pan_display()
method, info->var is already updated from the new *var in fb_set_var().
And, the custom fb_pan_display() method checks if xoffset and yoffset
in info->var and the new *var are different before doing actual panning,
which prevents the panning from happening within fb_set_var() context.
This patch caches the current var info locally in mx3fb driver so that
pan display with fb_set_var is supported.

Signed-off-by: Liu Ying 
Signed-off-by: Florian Tobias Schandinat

dmaengine/dma_slave: introduce inline wrappers

2012-03-21T13:50:22+00:00

Add inline wrappers for device_prep_slave_sg() and device_prep_dma_cyclic()
interfaces to hide new parameter from current users of affected interfaces.
Convert current users to use new wrappers instead of direct calls.
Suggested by Russell King [https://lkml.org/lkml/2012/2/3/269].

Signed-off-by: Alexandre Bounine 
Signed-off-by: Vinod Koul

video i.MX IPU: Fix display connections

2011-12-08T07:29:03+00:00

The IPU internally works on 32bit colors. It can arbitrarily map
between pixel formats and internal representation and also between
internal representation and the physical connection to the display.
The driver used to change the mapping between internal representation
and display connection depending on the user selected bpp which is
wrong. Instead, the mapping is specified by the hardware, so an
additional field in platform data is added to describe the connection
between i.MX and the display. The default for this field is RGB666
which seems to be the only configuration which works without this
patch, so I assumed that all in Kernel boards are connected this
way.
This patch has been tested on a RGB666 connected display and a
RGB888 connected display in both 16bpp and 32bpp modes.

Signed-off-by: Sascha Hauer 
Signed-off-by: Vinod Koul