profile/ivi/libdrm.git
17 years agoDocument drm_modes.c functions.
Jesse Barnes [Sat, 21 Apr 2007 00:03:50 +0000 (17:03 -0700)]
Document drm_modes.c functions.

17 years agoAdd a mode name generation wrapper to make name format changes easier.
Jesse Barnes [Fri, 20 Apr 2007 23:32:58 +0000 (16:32 -0700)]
Add a mode name generation wrapper to make name format changes easier.

17 years agoInitialize rwlock using rwlock_init to appease lockdep validator.
Kristian Høgsberg [Fri, 20 Apr 2007 22:06:31 +0000 (18:06 -0400)]
Initialize rwlock using rwlock_init to appease lockdep validator.

17 years agoClean up and return if no outputs are found.
Kristian Høgsberg [Fri, 20 Apr 2007 20:52:04 +0000 (16:52 -0400)]
Clean up and return if no outputs are found.

17 years agobackout SDVO control bus check and comment why this is a bad idea
Dave Airlie [Wed, 18 Apr 2007 23:43:46 +0000 (09:43 +1000)]
backout SDVO control bus check and comment why this is a bad idea

17 years agoDocument main drm_crtc.c functions, and rename drm_crtc_mode_create to
Jesse Barnes [Wed, 18 Apr 2007 18:49:42 +0000 (11:49 -0700)]
Document main drm_crtc.c functions, and rename drm_crtc_mode_create to
drm_mode_create to be consistent with the other functions.  Also document
where we need locking fixes and what the locks are for.

17 years agoShouldn't free the mode here. It's done later on.
Alan Hourihane [Wed, 18 Apr 2007 13:18:56 +0000 (14:18 +0100)]
Shouldn't free the mode here. It's done later on.

17 years agoFix return status
Alan Hourihane [Wed, 18 Apr 2007 12:52:46 +0000 (13:52 +0100)]
Fix return status

17 years agoFix build problem
Alan Hourihane [Wed, 18 Apr 2007 11:19:16 +0000 (12:19 +0100)]
Fix build problem

17 years agofree the duplicated mode.
Alan Hourihane [Wed, 18 Apr 2007 11:10:06 +0000 (12:10 +0100)]
free the duplicated mode.

17 years agoWhen no valid EDID modes are available, we bail.
Alan Hourihane [Wed, 18 Apr 2007 11:07:55 +0000 (12:07 +0100)]
When no valid EDID modes are available, we bail.

This snippet adds a standard 640x480 @ 60Hz mode when
that occurs, so we can continue with a basic mode.

Should we do this here though ???

17 years agoMerge remote branch 'origin/modesetting-101' into modesetting-101
Alan Hourihane [Wed, 18 Apr 2007 10:55:09 +0000 (11:55 +0100)]
Merge remote branch 'origin/modesetting-101' into modesetting-101

17 years agoSupport the RGB outputs of SDVO cards, which are essentially
Alan Hourihane [Wed, 18 Apr 2007 10:53:25 +0000 (11:53 +0100)]
Support the RGB outputs of SDVO cards, which are essentially
VGA outs.

The drm_initial_config path has specific handling code to name
match for VGA, TMDS or LVDS. This is pretty restrictive and should
probably be dealt with to be more generic.

17 years agoCheck status after SDVO command for sdvo_set_control_bus_switch
Alan Hourihane [Wed, 18 Apr 2007 10:47:21 +0000 (11:47 +0100)]
Check status after SDVO command for sdvo_set_control_bus_switch

17 years agoMove SDVO PENDING check to read_response so all SDVO commands
Alan Hourihane [Wed, 18 Apr 2007 10:46:04 +0000 (11:46 +0100)]
Move SDVO PENDING check to read_response so all SDVO commands
benefit from the spin loop.

17 years agomake sure TMDS gets a crtc
Dave Airlie [Wed, 18 Apr 2007 04:55:43 +0000 (14:55 +1000)]
make sure TMDS gets a crtc

17 years agoMerge branch 'origin' into modesetting-101
Dave Airlie [Wed, 18 Apr 2007 04:11:49 +0000 (14:11 +1000)]
Merge branch 'origin' into modesetting-101

Conflicts:

linux-core/drm_bo.c

Merge in changes from master from Thomas fixiing TTM problems

17 years agoMerge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into...
Jesse Barnes [Wed, 18 Apr 2007 01:20:05 +0000 (18:20 -0700)]
Merge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into origin/modesetting-101

17 years agoJust use drm_output_destroy to cleanup LVDS failures. It'll call our cleanup
Jesse Barnes [Wed, 18 Apr 2007 01:03:14 +0000 (18:03 -0700)]
Just use drm_output_destroy to cleanup LVDS failures.  It'll call our cleanup
routine, which will take care of freeing our dev_priv and i2c ddc bus.

17 years agodon't crash if no desired mode
Dave Airlie [Wed, 18 Apr 2007 00:41:39 +0000 (10:41 +1000)]
don't crash if no desired mode

17 years agobackout alanh's broken commit
Dave Airlie [Wed, 18 Apr 2007 00:39:58 +0000 (10:39 +1000)]
backout alanh's broken commit

17 years agoclean up ring buffer and TTM in i915_driver_unload
David Airlie [Fri, 13 Apr 2007 06:43:55 +0000 (16:43 +1000)]
clean up ring buffer and TTM in i915_driver_unload

I've commented out the framebuffer for now

17 years agoAdd framebuffer bo freeing to drm_mode_config_cleanup (seems like the best
Jesse Barnes [Wed, 18 Apr 2007 00:30:46 +0000 (17:30 -0700)]
Add framebuffer bo freeing to drm_mode_config_cleanup (seems like the best
place for now).

17 years agoLvds now power up backlight on commit
Jakob Bornecrantz [Tue, 17 Apr 2007 20:27:46 +0000 (22:27 +0200)]
Lvds now power up backlight on commit

Now saves previous power level in prepare and sets
that power level in commit, should power level
be 0 it will set maximum level.

17 years agoMerge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into...
Jesse Barnes [Tue, 17 Apr 2007 17:14:18 +0000 (10:14 -0700)]
Merge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into origin/modesetting-101

Conflicts:

shared-core/i915_init.c - reconcile with airlied's new code

17 years agoMove initial framebuffer allocation and configuration to drm_initial_config,
Jesse Barnes [Tue, 17 Apr 2007 17:00:37 +0000 (10:00 -0700)]
Move initial framebuffer allocation and configuration to drm_initial_config,
remove i915_driver_load fb related stuff.  Add a small helper for setting up
outputs.

17 years agoCleanup whitespace, rename macro argument.
Jesse Barnes [Tue, 17 Apr 2007 16:59:21 +0000 (09:59 -0700)]
Cleanup whitespace, rename macro argument.

17 years agoAdd prototypes for drm_bo_init_mm and drm_buffer_object_create for use by
Jesse Barnes [Tue, 17 Apr 2007 16:57:08 +0000 (09:57 -0700)]
Add prototypes for drm_bo_init_mm and drm_buffer_object_create for use by
in-kernel code.

17 years agoFix a register read that was swapped SDVOB/SDVOC
Alan Hourihane [Tue, 17 Apr 2007 15:11:00 +0000 (16:11 +0100)]
Fix a register read that was swapped SDVOB/SDVOC

Check for the PENDING message when reading the attached
displays. Ensures the command has completed before continuing.

(probably need to check PENDING in other SDVO calls too)

17 years agoFix SDVO outputs
Alan Hourihane [Tue, 17 Apr 2007 15:09:40 +0000 (16:09 +0100)]
Fix SDVO outputs

17 years agoCorrect PCI ID for i845
Alan Hourihane [Tue, 17 Apr 2007 15:08:26 +0000 (16:08 +0100)]
Correct PCI ID for i845

17 years agoDon't always free up memory space when we unpin buffers.
Thomas Hellstrom [Tue, 17 Apr 2007 12:15:37 +0000 (14:15 +0200)]
Don't always free up memory space when we unpin buffers.

17 years agoFix buffer object reference problems.
Thomas Hellstrom [Tue, 17 Apr 2007 08:53:19 +0000 (10:53 +0200)]
Fix buffer object reference problems.
(Reported by Dave Airlie).

17 years agoI don't think this dec is necessary and my stuff all works without ..
Dave Airlie [Tue, 17 Apr 2007 08:18:42 +0000 (18:18 +1000)]
I don't think this dec is necessary and my stuff all works without ..
with it everything falls over

17 years agoadd some missing export symbols
Dave Airlie [Tue, 17 Apr 2007 08:18:25 +0000 (18:18 +1000)]
add some missing export symbols

17 years agoanother large overhaul of interactions with userspace...
Dave Airlie [Tue, 17 Apr 2007 08:16:38 +0000 (18:16 +1000)]
another large overhaul of interactions with userspace...

We need to keep a list of user created fbs to nuke on master exit.
We also need to use the bo properly.

17 years agovia: Make sure we flush write-combining using a follow-up read.
Thomas Hellstrom [Tue, 17 Apr 2007 06:58:23 +0000 (08:58 +0200)]
via: Make sure we flush write-combining using a follow-up read.

17 years agoAdd a code comment.
Thomas Hellstrom [Tue, 17 Apr 2007 06:46:45 +0000 (08:46 +0200)]
Add a code comment.

17 years agoFix offset should from pci device address
Jakob Bornecrantz [Mon, 16 Apr 2007 18:54:24 +0000 (20:54 +0200)]
Fix offset should from pci device address

17 years agoRequire the hardware lock for buffer creation
Thomas Hellstrom [Mon, 16 Apr 2007 14:23:05 +0000 (16:23 +0200)]
Require the hardware lock for buffer creation
(since that implies a validate).
Fix drm_bo_wait_unfenced error messages and codes.
Fix some return codes from libdrm.

17 years agoUse drm_mem_reg_ioremap to map buffer object.
Jesse Barnes [Sat, 14 Apr 2007 22:35:38 +0000 (15:35 -0700)]
Use drm_mem_reg_ioremap to map buffer object.

17 years agoFix PRIV0 memory initialization (mm_init takes pages, not bytes), align fb
Jesse Barnes [Sat, 14 Apr 2007 22:35:21 +0000 (15:35 -0700)]
Fix PRIV0 memory initialization (mm_init takes pages, not bytes), align fb
allocation correctly, and use drm_mem_reg_iomap to map ring buffer object.

17 years agoAdded debug messages so we know which output we are dealing with
Jakob Bornecrantz [Fri, 13 Apr 2007 00:23:42 +0000 (02:23 +0200)]
Added debug messages so we know which output we are dealing with

17 years agoi915/drm: clean up a lot of the i915/drm startup/teardown sequences
David Airlie [Fri, 13 Apr 2007 04:33:52 +0000 (14:33 +1000)]
i915/drm: clean up a lot of the i915/drm startup/teardown sequences

When the kernel driver is loaded it sets up a lot of stuff..
it tears down the same stuff on unload.

This add a new map type called DRM_DRIVER which means the driver will clean the mapping up
and fix up the map cleaner

17 years agoexport drm_bo_driver_finish symbol
David Airlie [Fri, 13 Apr 2007 04:31:10 +0000 (14:31 +1000)]
export drm_bo_driver_finish symbol

17 years agorevert LVDS destroy - this oops on sysfs on sdvo init of i2c bus
David Airlie [Fri, 13 Apr 2007 04:30:44 +0000 (14:30 +1000)]
revert LVDS destroy - this oops on sysfs on sdvo init of i2c bus

17 years agoMove driver load call to after AGP init, in case the load routine needs AGP stuff.
Jesse Barnes [Fri, 13 Apr 2007 01:30:36 +0000 (18:30 -0700)]
Move driver load call to after AGP init, in case the load routine needs AGP stuff.

17 years agoOops, forgot to push the msleep() in the hotplug test. Wouldn't want to
Jesse Barnes [Thu, 12 Apr 2007 21:57:07 +0000 (14:57 -0700)]
Oops, forgot to push the msleep() in the hotplug test.  Wouldn't want to
spin in the kernel for a whole second w/o it...

17 years agoUse crtc_from_pipe call in intel_lvds.c and add get_mode panel mode detection. Also...
Jesse Barnes [Thu, 12 Apr 2007 19:43:47 +0000 (12:43 -0700)]
Use crtc_from_pipe call in intel_lvds.c and add get_mode panel mode detection.  Also fix up error case for when LVDS mode can't be determined.  Leave placeholder code in place for BIOS mode probing and platform quirks.

17 years agoAdd new function for getting a CRTC pointer given a pipe number.
Jesse Barnes [Thu, 12 Apr 2007 19:41:56 +0000 (12:41 -0700)]
Add new function for getting a CRTC pointer given a pipe number.

17 years agoFix 945+ hotplug detection, remove some unused variables.
Jesse Barnes [Thu, 12 Apr 2007 19:40:51 +0000 (12:40 -0700)]
Fix 945+ hotplug detection, remove some unused variables.

17 years agoDon't need a NULL check prior to calling kfree.
Jesse Barnes [Thu, 12 Apr 2007 18:50:57 +0000 (11:50 -0700)]
Don't need a NULL check prior to calling kfree.

17 years agoInitialize the hw lock waitqueue so we don't hang in drm_lastclose.
Jesse Barnes [Thu, 12 Apr 2007 18:40:12 +0000 (11:40 -0700)]
Initialize the hw lock waitqueue so we don't hang in drm_lastclose.

17 years agoDon't use drm_setup, do SAREA allocation and mapping directly instead.
Jesse Barnes [Thu, 12 Apr 2007 16:01:53 +0000 (09:01 -0700)]
Don't use drm_setup, do SAREA allocation and mapping directly instead.

17 years agoMove i2c init back to where it belongs and add i2c unregistration in *_destroy.
Jesse Barnes [Thu, 12 Apr 2007 15:57:58 +0000 (08:57 -0700)]
Move i2c init back to where it belongs and add i2c unregistration in *_destroy.

17 years agoWhitespace cleanup
Jesse Barnes [Thu, 12 Apr 2007 15:56:34 +0000 (08:56 -0700)]
Whitespace cleanup

17 years agoMerge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into...
Jesse Barnes [Thu, 12 Apr 2007 15:55:51 +0000 (08:55 -0700)]
Merge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into origin/modesetting-101

17 years agoRevert "Export drm_setup for use by new driver init code.", we don't really want...
Jesse Barnes [Thu, 12 Apr 2007 15:53:03 +0000 (08:53 -0700)]
Revert "Export drm_setup for use by new driver init code.", we don't really want to use this function

This reverts commit e114b981bc291049fa6996d487334a408acc1ce2.

17 years agoUse drm_framebuffer instead of drm_crtc for fb & fbt
Alan Hourihane [Thu, 12 Apr 2007 14:12:00 +0000 (15:12 +0100)]
Use drm_framebuffer instead of drm_crtc for fb & fbt

17 years agoRemove extraneous drm_crtc.h include
Alan Hourihane [Thu, 12 Apr 2007 14:11:38 +0000 (15:11 +0100)]
Remove extraneous drm_crtc.h include

17 years agoMerge remote branch 'origin/modesetting-101' into modesetting-101
Alan Hourihane [Thu, 12 Apr 2007 14:10:08 +0000 (15:10 +0100)]
Merge remote branch 'origin/modesetting-101' into modesetting-101

17 years agoMerge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into...
Jesse Barnes [Thu, 12 Apr 2007 03:41:54 +0000 (20:41 -0700)]
Merge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into origin/modesetting-101

17 years agoRemove debug statement about buffer objects
Jesse Barnes [Thu, 12 Apr 2007 03:41:27 +0000 (20:41 -0700)]
Remove debug statement about buffer objects

17 years agouse FB everywhere
Dave Airlie [Thu, 12 Apr 2007 02:11:58 +0000 (12:11 +1000)]
use FB everywhere

17 years agocleanup framebuffers on drm unload
Dave Airlie [Thu, 12 Apr 2007 01:55:10 +0000 (11:55 +1000)]
cleanup framebuffers on drm unload

17 years agoonly initialise modes when fbcon or fbset asks for it
Dave Airlie [Thu, 12 Apr 2007 01:54:49 +0000 (11:54 +1000)]
only initialise modes when fbcon or fbset asks for it

17 years agoset bracing style like Linux
Dave Airlie [Thu, 12 Apr 2007 01:43:13 +0000 (11:43 +1000)]
set bracing style like Linux

17 years agofix unbalanced lock and make sure mode list has modes so lvds code doesn't crash
Dave Airlie [Thu, 12 Apr 2007 01:28:55 +0000 (11:28 +1000)]
fix unbalanced lock and make sure mode list has modes so lvds code doesn't crash

17 years agoallow framebuffer changes on the crtc setup
Dave Airlie [Wed, 11 Apr 2007 22:54:31 +0000 (08:54 +1000)]
allow framebuffer changes on the crtc setup

17 years agoadd getfb ioctl
Dave Airlie [Wed, 11 Apr 2007 22:45:40 +0000 (08:45 +1000)]
add getfb ioctl

17 years agoUse new kernel buffer object type and cleanup agp probing.
Jesse Barnes [Wed, 11 Apr 2007 19:52:57 +0000 (12:52 -0700)]
Use new kernel buffer object type and cleanup agp probing.

17 years agoAdd new buffer object type for kernel allocations that don't initially have a user...
Jesse Barnes [Wed, 11 Apr 2007 19:51:52 +0000 (12:51 -0700)]
Add new buffer object type for kernel allocations that don't initially have a user mapping.

17 years agoAdd aperture size and preallocation probing (from intelfb), cleanup load code to...
Jesse Barnes [Wed, 11 Apr 2007 18:47:58 +0000 (11:47 -0700)]
Add aperture size and preallocation probing (from intelfb), cleanup load code to be more general.

17 years agoFix i2c unregistration, cleanup panel_fixed_mode assignment.
Jesse Barnes [Wed, 11 Apr 2007 18:46:37 +0000 (11:46 -0700)]
Fix i2c unregistration, cleanup panel_fixed_mode assignment.

17 years agoWhitespace cleanups.
Jesse Barnes [Wed, 11 Apr 2007 18:44:54 +0000 (11:44 -0700)]
Whitespace cleanups.

17 years agoFix EDID pixel clock calculation.
Jesse Barnes [Wed, 11 Apr 2007 18:42:00 +0000 (11:42 -0700)]
Fix EDID pixel clock calculation.

17 years agofix modeset cleanup for LVDS and reenable it in i915.
Jesse Barnes [Wed, 11 Apr 2007 14:21:24 +0000 (07:21 -0700)]
fix modeset cleanup for LVDS and reenable it in i915.

17 years agoexport vblank routine for use by intel_display.c and intel_sdvo.c.
Jesse Barnes [Wed, 11 Apr 2007 14:08:48 +0000 (07:08 -0700)]
export vblank routine for use by intel_display.c and intel_sdvo.c.

17 years agoFixup DDC probing. We only have one DDC bus so we have to use it only
Jesse Barnes [Wed, 11 Apr 2007 14:08:29 +0000 (07:08 -0700)]
Fixup DDC probing.  We only have one DDC bus so we have to use it only
on demand, and unregister when we're done.

17 years agoVarious changes for in-kernel modesetting:
Jesse Barnes [Wed, 11 Apr 2007 14:07:54 +0000 (07:07 -0700)]
Various changes for in-kernel modesetting:
  - allow drm_buffer_object_create to be called w/o dev_mapping
  - fixup i915 init code to allocate memory, fb and set modes right
  - pass fb to drm_initial_config for setup
  - change some debug output to make it easier to spot
  - fixup lvds code to use DDC probing correctly

17 years agoline_length calculation was incorrect.. I now can get fbcon to run
David Airlie [Wed, 11 Apr 2007 07:35:00 +0000 (17:35 +1000)]
line_length calculation was incorrect.. I now can get fbcon to run

17 years agooops for 32 pitch.. hey I can see stuff on fbcon now.. it looks like text.. just...
David Airlie [Wed, 11 Apr 2007 07:25:37 +0000 (17:25 +1000)]
oops for 32 pitch.. hey I can see stuff on fbcon now.. it looks like text.. just a bit garbled

17 years agofixup framebuffer depth
David Airlie [Wed, 11 Apr 2007 07:13:57 +0000 (17:13 +1000)]
fixup framebuffer depth

17 years agoadd support for setting a framebuffer depth
David Airlie [Wed, 11 Apr 2007 07:13:45 +0000 (17:13 +1000)]
add support for setting a framebuffer depth

17 years agoadd copyright statement
Dave Airlie [Wed, 11 Apr 2007 06:34:40 +0000 (16:34 +1000)]
add copyright statement

17 years agoadd initial drm_fb framebuffer
Dave Airlie [Wed, 11 Apr 2007 06:33:03 +0000 (16:33 +1000)]
add initial drm_fb framebuffer

So far I can load fbcon, once I use my miniglx to add a framebuffer.
fbcon doesn't show anything on screen but baby steps and all that.

17 years agocomment out unworkable code
Dave Airlie [Wed, 11 Apr 2007 04:43:02 +0000 (14:43 +1000)]
comment out unworkable code

17 years agoonly init at driver load
Dave Airlie [Wed, 11 Apr 2007 04:34:43 +0000 (14:34 +1000)]
only init at driver load

17 years agoonly bo finish at driver unload
Dave Airlie [Wed, 11 Apr 2007 04:34:22 +0000 (14:34 +1000)]
only bo finish at driver unload

17 years agouse the baseaddr at least
Dave Airlie [Wed, 11 Apr 2007 04:04:18 +0000 (14:04 +1000)]
use the baseaddr at least

17 years agoRevert "Remove some delays from Intel i2c code, we'll need a more comprehensive fix"
root [Wed, 11 Apr 2007 03:40:50 +0000 (13:40 +1000)]
Revert "Remove some delays from Intel i2c code, we'll need a more comprehensive fix"

This reverts commit c0336989884e75bcd05284257e884754bb5f85b6.

this break SDVO

17 years agoadd an fb count + id get to the get resources code path
David Airlie [Wed, 11 Apr 2007 03:19:30 +0000 (13:19 +1000)]
add an fb count + id get to the get resources code path

17 years agouse fb pitch and fix up some whitespace
David Airlie [Wed, 11 Apr 2007 03:18:49 +0000 (13:18 +1000)]
use fb pitch and fix up some whitespace

17 years agoMerge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into...
Jesse Barnes [Wed, 11 Apr 2007 00:58:30 +0000 (17:58 -0700)]
Merge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into origin/modesetting-101

17 years agofixup calculation to make sdvo work
David Airlie [Tue, 10 Apr 2007 23:56:09 +0000 (09:56 +1000)]
fixup calculation to make sdvo work

17 years agonouveau: nv10 per channel init from ddx
Matthieu Castet [Tue, 10 Apr 2007 21:19:29 +0000 (23:19 +0200)]
nouveau: nv10 per channel init from ddx

17 years agoMerge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into...
Jesse Barnes [Tue, 10 Apr 2007 17:45:55 +0000 (10:45 -0700)]
Merge branch 'modesetting-101' of git+ssh://git.freedesktop.org/git/mesa/drm into origin/modesetting-101

Conflicts:

linux-core/drm_crtc.c - trivial merge
linux-core/drm_crtc.h - trivial merge
linux-core/intel_display.c - crtc_config -> mode_config
shared-core/i915_dma.c - accommodate new init code in i915_init.c

17 years agoExport drm_setup for use by new driver init code.
Jesse Barnes [Tue, 10 Apr 2007 17:31:58 +0000 (10:31 -0700)]
Export drm_setup for use by new driver init code.

17 years agoMove i915 init code to new file, i915_init.c, and create a new high level
Jesse Barnes [Tue, 10 Apr 2007 17:31:10 +0000 (10:31 -0700)]
Move i915 init code to new file, i915_init.c, and create a new high level
init routine that runs at driver load time.

17 years agoAdd save/restore state for LVDS code, along with a few other LVDS related
Jesse Barnes [Tue, 10 Apr 2007 16:51:17 +0000 (09:51 -0700)]
Add save/restore state for LVDS code, along with a few other LVDS related
items to i915 private structure.