platform/upstream/libdrm.git
15 years agoradeon: pull in recent fixes from ddx
Alex Deucher [Tue, 7 Oct 2008 18:10:39 +0000 (14:10 -0400)]
radeon: pull in recent fixes from ddx

- fixup atom digital encoder setup
- pull in add get edid (currently disabled due to
  lack of support for atom fb/scratch space)

15 years agoradeon: fix alignment so Xv works again
Dave Airlie [Mon, 6 Oct 2008 06:40:45 +0000 (16:40 +1000)]
radeon: fix alignment so Xv works again

15 years agoradeon: fix pin ioctl interface to mesa can find offset for pinned buffers
Dave Airlie [Mon, 6 Oct 2008 06:40:20 +0000 (16:40 +1000)]
radeon: fix pin ioctl interface to mesa can find offset for pinned buffers

15 years agodrm/radeon: fixup clean flag handling
Dave Airlie [Mon, 6 Oct 2008 06:39:25 +0000 (16:39 +1000)]
drm/radeon: fixup clean flag handling

15 years agointel bufmgr: reinstate buffer handle tracking
Jesse Barnes [Tue, 30 Sep 2008 23:35:26 +0000 (16:35 -0700)]
intel bufmgr: reinstate buffer handle tracking

We need a way of getting at the underlying handle for use with mode
setting.  We can either export it in the dri_bo object or provide a new
callback to get it.

15 years agoMerge remote branch 'origin/modesetting-gem' into modesetting-gem
Dave Airlie [Tue, 30 Sep 2008 04:17:27 +0000 (14:17 +1000)]
Merge remote branch 'origin/modesetting-gem' into modesetting-gem

15 years agoMerge remote branch 'origin/master' into modesetting-gem
Dave Airlie [Fri, 26 Sep 2008 05:37:21 +0000 (15:37 +1000)]
Merge remote branch 'origin/master' into modesetting-gem

Conflicts:

libdrm/Makefile.am
libdrm/dri_bufmgr.h
linux-core/drm_irq.c
linux-core/drm_sysfs.c
linux-core/drm_ttm.c
shared-core/i915_dma.c
shared-core/i915_irq.c
shared-core/nouveau_drv.h
shared-core/radeon_cp.c

15 years agoradeon: use atom for ext tmds on r4xx
Alex Deucher [Fri, 26 Sep 2008 21:32:15 +0000 (17:32 -0400)]
radeon: use atom for ext tmds on r4xx

15 years agoradeon: make atom on r4xx a module option
Alex Deucher [Fri, 26 Sep 2008 21:20:04 +0000 (17:20 -0400)]
radeon: make atom on r4xx a module option

default is legacy modesetting.  pass module option r4xx_atom
to try using atom on r4xx.

15 years agoMerge branch 'modesetting-gem' of git+ssh://agd5f@git.freedesktop.org/git/mesa/drm...
Alex Deucher [Thu, 25 Sep 2008 22:47:47 +0000 (18:47 -0400)]
Merge branch 'modesetting-gem' of git+ssh://agd5f@git.freedesktop.org/git/mesa/drm into modesetting-gem

15 years agoradeon: first pass at using atombios on r4xx hw
Alex Deucher [Thu, 25 Sep 2008 22:45:07 +0000 (18:45 -0400)]
radeon: first pass at using atombios on r4xx hw

15 years agoSeperate modesetting userspace bits into drm_mode.h
Jakob Bornecrantz [Thu, 25 Sep 2008 21:12:07 +0000 (23:12 +0200)]
Seperate modesetting userspace bits into drm_mode.h

15 years agoradeon: add r600 modesetting registers writes
Dave Airlie [Wed, 24 Sep 2008 05:25:35 +0000 (15:25 +1000)]
radeon: add r600 modesetting registers writes

15 years agoradeon: add parsing for r6xx object tables
Dave Airlie [Wed, 24 Sep 2008 03:58:26 +0000 (13:58 +1000)]
radeon: add parsing for r6xx object tables

15 years agointel: Allow up to 15 seconds chewing on one buffer before acknowledging -EBUSY.
Eric Anholt [Wed, 24 Sep 2008 00:06:01 +0000 (17:06 -0700)]
intel: Allow up to 15 seconds chewing on one buffer before acknowledging -EBUSY.

The gltestperf demo in some cases took over seven seconds to make it through
one batchbuffer on a GM965.

Bug #17004.

15 years agointel: Replace wraparound test logic in bufmgr_fake. Again.
Eric Anholt [Tue, 23 Sep 2008 17:48:39 +0000 (10:48 -0700)]
intel: Replace wraparound test logic in bufmgr_fake.  Again.

I'd swapped the operands, so if we weren't in lockstep with the hardware we
said the sequence was always passed.  Additionally, a race was available that
we might have failed at recovering from.  Instead, I've replaced the logic
with new stuff that should be more robust and not rely on all the parties in
userland following the same IRQ_EMIT() == 1 protocol.  Also, in a radical
departure from past efforts, include a long comment describing the failure
modes and how we're working around them.

Thanks to haihao for catching the original issue.

15 years agointel: Do strerror on errno, not on the -1 return value from ioctl.
Eric Anholt [Tue, 23 Sep 2008 17:47:21 +0000 (10:47 -0700)]
intel: Do strerror on errno, not on the -1 return value from ioctl.

15 years agoUpdate intel modesetting to use mm_private instead of mm_handle.
Kristian Høgsberg [Tue, 23 Sep 2008 06:52:06 +0000 (16:52 +1000)]
Update intel modesetting to use mm_private instead of mm_handle.

15 years agoradeon: fix minor cursor issues
Dave Airlie [Tue, 23 Sep 2008 06:50:39 +0000 (16:50 +1000)]
radeon: fix minor cursor issues

15 years agoradeon: Fix type in check for tmds type.
Kristian Høgsberg [Tue, 23 Sep 2008 06:50:22 +0000 (16:50 +1000)]
radeon: Fix type in check for tmds type.

15 years agoStore the buffer object backing the fb as a void pointer, not a handle.
Kristian Høgsberg [Tue, 23 Sep 2008 06:47:34 +0000 (16:47 +1000)]
Store the buffer object backing the fb as a void pointer, not a handle.

This lets us defer handle creation until userspace acutally asks for
one, at which point we also have a drm_file to associate it with.

15 years agodrm: fix brace placement
Dave Airlie [Thu, 28 Aug 2008 11:20:19 +0000 (21:20 +1000)]
drm: fix brace placement

15 years agointel: Fix driver-supplied argument to exec function (fd.o bug #17653).
Xiang, Haihao [Mon, 22 Sep 2008 02:16:19 +0000 (10:16 +0800)]
intel: Fix driver-supplied argument to exec function (fd.o bug #17653).

15 years agoradeon: rmx_fixup() fixes for legacy chips
Alex Deucher [Fri, 19 Sep 2008 15:19:00 +0000 (11:19 -0400)]
radeon: rmx_fixup() fixes for legacy chips

15 years agoradeon: fix voverplus calculation
Dave Airlie [Fri, 19 Sep 2008 14:48:11 +0000 (00:48 +1000)]
radeon: fix voverplus calculation

15 years agoradeon: tmds bracket failure found by krh.
Dave Airlie [Thu, 18 Sep 2008 22:03:34 +0000 (08:03 +1000)]
radeon: tmds bracket failure found by krh.

15 years agoradeon: pll and interlace updates from the ddx
Alex Deucher [Thu, 18 Sep 2008 21:27:00 +0000 (17:27 -0400)]
radeon: pll and interlace updates from the ddx

also some formatting cleanup in radeon_reg.h

15 years agoradeon: Add functions to set mem/eng clocks
Alex Deucher [Thu, 18 Sep 2008 20:42:22 +0000 (16:42 -0400)]
radeon: Add functions to set mem/eng clocks

15 years agoradeon: add function to configure PCIE lanes
Alex Deucher [Thu, 18 Sep 2008 20:07:41 +0000 (16:07 -0400)]
radeon: add function to configure PCIE lanes

15 years agoRadeon: restructure PLL data
Alex Deucher [Thu, 18 Sep 2008 19:11:48 +0000 (15:11 -0400)]
Radeon: restructure PLL data

- store pixel clocks, core clock, and memory clocks separately
- grab all pll limits from bios tables

15 years agoExport drm_put_minor
Alex Deucher [Thu, 18 Sep 2008 18:30:05 +0000 (14:30 -0400)]
Export drm_put_minor

15 years ago[FreeBSD] Convert to using cdevpriv for file_priv tracking
Robert Noland [Thu, 18 Sep 2008 03:10:15 +0000 (23:10 -0400)]
[FreeBSD] Convert to using cdevpriv for file_priv tracking

15 years agofixup radeon stuff - need to checkout irqs
Dave Airlie [Thu, 18 Sep 2008 00:28:42 +0000 (10:28 +1000)]
fixup radeon stuff - need to checkout irqs

15 years agoradeon: fixup buffer and cs bits
Dave Airlie [Thu, 18 Sep 2008 00:22:23 +0000 (10:22 +1000)]
radeon: fixup buffer and cs bits

15 years ago[PATCH] radeon: fixup GEM domain setting - allows more userspace paths
Dave Airlie [Thu, 18 Sep 2008 00:20:29 +0000 (10:20 +1000)]
[PATCH] radeon: fixup GEM domain setting - allows more userspace paths

also dirty buffer on validate

15 years ago[PATCH] radeon: disable blit moves
Dave Airlie [Thu, 18 Sep 2008 00:19:53 +0000 (10:19 +1000)]
[PATCH] radeon: disable blit moves

15 years agoradeon: fail properly if we can't create the ring.
Dave Airlie [Thu, 18 Sep 2008 00:19:08 +0000 (10:19 +1000)]
radeon: fail properly if we can't create the ring.

Normally this will be due to an AGP driver needing updating

15 years agoradeon: do proper memory controller init and setup
Dave Airlie [Thu, 18 Sep 2008 00:17:27 +0000 (10:17 +1000)]
radeon: do proper memory controller init and setup

15 years agoradeon: fix return value
Dave Airlie [Thu, 18 Sep 2008 00:16:41 +0000 (10:16 +1000)]
radeon: fix return value

15 years agoradeon: fixup reference counting properly
Dave Airlie [Thu, 18 Sep 2008 00:16:09 +0000 (10:16 +1000)]
radeon: fixup reference counting properly

15 years agoradeon: sort out atom vs combios tables for r400 cards
Dave Airlie [Thu, 18 Sep 2008 00:15:43 +0000 (10:15 +1000)]
radeon: sort out atom vs combios tables for r400 cards

15 years agoradeon: remove unneeded debugging
Dave Airlie [Thu, 18 Sep 2008 00:14:32 +0000 (10:14 +1000)]
radeon: remove unneeded debugging

15 years agoradeon: don't do full edid for detection purposes
Dave Airlie [Thu, 18 Sep 2008 00:13:30 +0000 (10:13 +1000)]
radeon: don't do full edid for detection purposes

15 years agomake text reserve 256k
Dave Airlie [Thu, 18 Sep 2008 00:11:43 +0000 (10:11 +1000)]
make text reserve 256k

15 years agoradeon: add initial suspend/resume support
Dave Airlie [Thu, 18 Sep 2008 00:05:59 +0000 (10:05 +1000)]
radeon: add initial suspend/resume support

plus a bunch of fixes

15 years agomodesetting: Add helper to force restore modes on crtcs at resume time
Dave Airlie [Wed, 17 Sep 2008 23:59:08 +0000 (09:59 +1000)]
modesetting: Add helper to force restore modes on crtcs at resume time

15 years agoradeon: fix legacy LVDS
Alex Deucher [Wed, 17 Sep 2008 22:16:25 +0000 (18:16 -0400)]
radeon: fix legacy LVDS

15 years agonv50: add initial context for chipset 0xaa
Ben Skeggs [Wed, 17 Sep 2008 12:18:03 +0000 (22:18 +1000)]
nv50: add initial context for chipset 0xaa

This just doesn't look right..

15 years agonv50: add initial context to match ctxprog for chipset 0x50
Ben Skeggs [Wed, 17 Sep 2008 12:03:38 +0000 (22:03 +1000)]
nv50: add initial context to match ctxprog for chipset 0x50

15 years agonv50: add ctxprog for chipset 0x50
Ben Skeggs [Wed, 17 Sep 2008 05:13:27 +0000 (15:13 +1000)]
nv50: add ctxprog for chipset 0x50

15 years agonv50: add ctxprog for chipset 0xaa
Ben Skeggs [Wed, 17 Sep 2008 05:02:54 +0000 (15:02 +1000)]
nv50: add ctxprog for chipset 0xaa

15 years agonv50: add support for chipset 0x92
Ben Skeggs [Wed, 17 Sep 2008 04:49:04 +0000 (14:49 +1000)]
nv50: add support for chipset 0x92

15 years agoRemove incomplete and obsolete free/net/open code.
vehemens [Tue, 9 Sep 2008 05:06:09 +0000 (22:06 -0700)]
Remove incomplete and obsolete free/net/open code.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years agoAdd missing \ to libdrm_la_SOURCES
Eric Anholt [Thu, 11 Sep 2008 03:04:42 +0000 (20:04 -0700)]
Add missing \ to libdrm_la_SOURCES

Reported by jcristau.

15 years agointel: don't forget to include config.h in bufmgr code.
Eric Anholt [Wed, 10 Sep 2008 20:54:34 +0000 (13:54 -0700)]
intel: don't forget to include config.h in bufmgr code.

Thanks to airlied for catching this.

15 years agointel: move drm calls to exec buffers to libdrm_intel.
Eric Anholt [Mon, 8 Sep 2008 15:51:40 +0000 (08:51 -0700)]
intel: move drm calls to exec buffers to libdrm_intel.

This avoids duplicating the effort in 3 places.  Also, added emit/wait fence
callbacks back in bufmgr_fake since we need it for non-drm 2d.  Sigh.

15 years agointel: Move IRQ emit/wait from callbacks into the bufmgr.
Eric Anholt [Sat, 6 Sep 2008 02:07:41 +0000 (03:07 +0100)]
intel: Move IRQ emit/wait from callbacks into the bufmgr.

In the process, work around the glaring bugs of the kernel irq wait function.

15 years agoMove intel libdrm stuff to libdrm_intel.so
Eric Anholt [Fri, 5 Sep 2008 09:35:32 +0000 (10:35 +0100)]
Move intel libdrm stuff to libdrm_intel.so

dri_bufmgr.h is replaced by intel_bufmgr.h, and several functions are renamed,
though the structures and many functions remain dri_bufmgr_* and dri_bo_*

15 years agodrm: Add tests for GEM_FLINK ioctl.
Eric Anholt [Wed, 3 Sep 2008 22:05:16 +0000 (23:05 +0100)]
drm: Add tests for GEM_FLINK ioctl.

15 years ago[FreeBSD] We need to call drm_detach before we free dev->driver.
Robert Noland [Mon, 8 Sep 2008 20:40:52 +0000 (16:40 -0400)]
[FreeBSD] We need to call drm_detach before we free dev->driver.

The driver is in control of the show, so when you try and unload a module
the driver detach routine is called first.  It is what drives the whole
unload process and so lots of panics occur if dev->driver is already
free.

15 years ago[FreeBSD] Implement drm_ioremap_wc() to set a range of mem to write-combining
Robert Noland [Sun, 7 Sep 2008 16:44:02 +0000 (12:44 -0400)]
[FreeBSD] Implement drm_ioremap_wc() to set a range of mem to write-combining

15 years ago[FreeBSD] IGP gart needs to be un-cached.
Robert Noland [Sun, 7 Sep 2008 01:08:33 +0000 (21:08 -0400)]
[FreeBSD] IGP gart needs to be un-cached.

Airlied inadvertently discovered that the IGP gart needs to be un-cached
for radeon rs485 and rs690 to work.  Initial tests by placing a wbinvd()
after allocating the gart were successful.  This is an attempt at a more
appropriate method of achieving success.

15 years agoFree temp_pagelist on error. Free in reverse order. Noticed by open.
vehemens [Sun, 7 Sep 2008 01:02:31 +0000 (18:02 -0700)]
Free temp_pagelist on error. Free in reverse order. Noticed by open.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years agoPass lock data like linux and open.
vehemens [Sat, 6 Sep 2008 22:33:47 +0000 (15:33 -0700)]
Pass lock data like linux and open.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years agoMove order to end like linux.
vehemens [Sat, 6 Sep 2008 21:19:32 +0000 (14:19 -0700)]
Move order to end like linux.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years agoStyle white space cleanup part 2.
vehemens [Sat, 6 Sep 2008 21:16:51 +0000 (14:16 -0700)]
Style white space cleanup part 2.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years ago[FreeBSD] Ensure that drm_pci_alloc is never called while locks are held.
Robert Noland [Sat, 6 Sep 2008 22:37:06 +0000 (18:37 -0400)]
[FreeBSD] Ensure that drm_pci_alloc is never called while locks are held.

15 years agoradeon: change interface from headers add pin_domain into padding
Dave Airlie [Sat, 6 Sep 2008 22:09:24 +0000 (08:09 +1000)]
radeon: change interface from headers add pin_domain into padding

15 years agoReorder lock functions like linux.
vehemens [Tue, 2 Sep 2008 20:56:35 +0000 (13:56 -0700)]
Reorder lock functions like linux.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years agoStyle white space cleanup.
vehemens [Tue, 2 Sep 2008 11:57:36 +0000 (04:57 -0700)]
Style white space cleanup.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years agoNeed M_NOWAIT for malloc.
vehemens [Tue, 2 Sep 2008 09:43:19 +0000 (02:43 -0700)]
Need M_NOWAIT for malloc.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years agoi915: fix i915_ring_validate()
Robert Noland [Fri, 5 Sep 2008 15:52:53 +0000 (11:52 -0400)]
i915: fix i915_ring_validate()

15 years agoradeon: rs690 GART tables need to be in uncached memory.
Dave Airlie [Fri, 5 Sep 2008 00:56:18 +0000 (10:56 +1000)]
radeon: rs690 GART tables need to be in uncached memory.

Allocate the rs480/690 tables from uncached memory.

15 years agonouveau: 8200 cards are 0xA0 family.
Stephane Marchesin [Thu, 4 Sep 2008 22:17:52 +0000 (00:17 +0200)]
nouveau: 8200 cards are 0xA0 family.

15 years agoradeon: fixup a number of avivo checks for rs690
Dave Airlie [Thu, 4 Sep 2008 01:57:00 +0000 (11:57 +1000)]
radeon: fixup a number of avivo checks for rs690

15 years agodrm: fix sysfs error path.
Dave Airlie [Tue, 2 Sep 2008 00:07:14 +0000 (10:07 +1000)]
drm: fix sysfs error path.

Pointed out by Roel Kluin on dri-devel.

Signed-off-by: Dave Airlie <airlied@redhat.com>
15 years agoradeon: make writeback work after suspend/resume.
Dave Airlie [Sat, 30 Aug 2008 21:27:26 +0000 (07:27 +1000)]
radeon: make writeback work after suspend/resume.

While re-writing this for modesetting, I find we disable writeback on
resume.

15 years ago[FreeBSD] Use driver features macros and flags
vehemens [Thu, 28 Aug 2008 02:11:04 +0000 (19:11 -0700)]
[FreeBSD] Use driver features macros and flags

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years ago[FreeBSD] Convert drm_driver to a pointer like linux.
vehemens [Fri, 29 Aug 2008 17:18:54 +0000 (13:18 -0400)]
[FreeBSD] Convert drm_driver to a pointer like linux.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years ago[FreeBSD] Replace typedefs on bsd.
vehemens [Fri, 29 Aug 2008 16:47:00 +0000 (12:47 -0400)]
[FreeBSD] Replace typedefs on bsd.

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years ago[FreeBSD] Catch up to vblank rework for via.
vehemens [Fri, 29 Aug 2008 16:40:30 +0000 (12:40 -0400)]
[FreeBSD] Catch up to vblank rework for via.

(No, we don't build via right now.)

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years ago[FreeBSD] Correct debug message
vehemens [Fri, 29 Aug 2008 16:37:29 +0000 (12:37 -0400)]
[FreeBSD] Correct debug message

Signed-off-by: Robert Noland <rnoland@2hip.net>
15 years ago[FreeBSD] Fix a couple of locking problems.
Robert Noland [Fri, 29 Aug 2008 16:29:50 +0000 (12:29 -0400)]
[FreeBSD] Fix a couple of locking problems.

15 years ago[FreeBSD] Increase debugging output for vblank code.
Robert Noland [Fri, 29 Aug 2008 16:23:35 +0000 (12:23 -0400)]
[FreeBSD] Increase debugging output for vblank code.

Doing my part to make DRM_DEBUG more chatty...

15 years agoFix drm_realloc when you're reallocing into something smaller.
Tomas Carnecky [Thu, 28 Aug 2008 22:43:19 +0000 (00:43 +0200)]
Fix drm_realloc when you're reallocing into something smaller.

15 years agoradeon: fixup LVDS mode getting
Dave Airlie [Thu, 28 Aug 2008 21:18:53 +0000 (07:18 +1000)]
radeon: fixup LVDS mode getting

if we have no DDC we were oopsing. fix that.
then make a native panel mode

15 years agoradeon: get lvds atombios info
Dave Airlie [Thu, 28 Aug 2008 06:35:25 +0000 (16:35 +1000)]
radeon: get lvds atombios info

set the correct values from atombios makes LVDS work a lot better

15 years agodrm: port X crtc picking algorithm.
Dave Airlie [Thu, 28 Aug 2008 06:18:09 +0000 (16:18 +1000)]
drm: port X crtc picking algorithm.

This mimics the X.org from ajax with less options

15 years agoradeon: limit LVDS to first CRTC for now
Dave Airlie [Thu, 28 Aug 2008 01:30:55 +0000 (11:30 +1000)]
radeon: limit LVDS to first CRTC for now

15 years agoradeon: fixup checks for crtc in dpms paths
Dave Airlie [Thu, 28 Aug 2008 01:30:20 +0000 (11:30 +1000)]
radeon: fixup checks for crtc in dpms paths

15 years agodrm: fix some whitespace
Dave Airlie [Wed, 27 Aug 2008 03:41:53 +0000 (13:41 +1000)]
drm: fix some whitespace

15 years agoradeon: braino pointed out on mailing list
Dave Airlie [Wed, 27 Aug 2008 02:35:11 +0000 (12:35 +1000)]
radeon: braino pointed out on mailing list

thanks to Ville Syrjälä

15 years agoradeon: avoid oops on encoders with no crtc set
Dave Airlie [Wed, 27 Aug 2008 01:12:19 +0000 (11:12 +1000)]
radeon: avoid oops on encoders with no crtc set

15 years agoChange git-describe into git describe.
Stephane Marchesin [Wed, 27 Aug 2008 00:27:10 +0000 (02:27 +0200)]
Change git-describe into git describe.

15 years ago[intel_bufmgr_gem] Remember global name when creating buffer from name.
Kristian Høgsberg [Tue, 26 Aug 2008 18:28:08 +0000 (14:28 -0400)]
[intel_bufmgr_gem] Remember global name when creating buffer from name.

15 years agoradeon/ttm: add support for zeroing the contents of VRAM buffers
Dave Airlie [Tue, 26 Aug 2008 07:44:47 +0000 (17:44 +1000)]
radeon/ttm: add support for zeroing the contents of VRAM buffers

This uses a solid fill fastpath, falling back to the slow memset path.

15 years agodrm: add move zero function to memset unclean buffers
Dave Airlie [Tue, 26 Aug 2008 07:43:12 +0000 (17:43 +1000)]
drm: add move zero function to memset unclean buffers

15 years agodrm/ttm: export drm_bo_add_ttm
Dave Airlie [Tue, 26 Aug 2008 07:42:36 +0000 (17:42 +1000)]
drm/ttm: export drm_bo_add_ttm

15 years agoradeon: fixup domains and use them properly
Dave Airlie [Tue, 26 Aug 2008 07:39:00 +0000 (17:39 +1000)]
radeon: fixup domains and use them properly

15 years agodrm: add memory clean flag.
Dave Airlie [Tue, 26 Aug 2008 07:33:46 +0000 (17:33 +1000)]
drm: add memory clean flag.

When the mapping is clean this flag will be set. This can be used
by a driver to save migrating and allocating pages for an object
that will first be used in VRAM.