[git pull] more drm patches for 2.6.20

[Dave Airlie]

Hi Linus,

This is just a bunch of minor patches and fixes for the drm tree.
The biggest change is to the intel driver to fix up some tearing issues,
and a small update to the radeon bounds check to fix r300 issue.

The rest are just cleanups and comment fixes..

Dave.

 drivers/char/drm/drmP.h         |    7 -
 drivers/char/drm/drm_lock.c     |    2
 drivers/char/drm/drm_stub.c     |   12 ++
 drivers/char/drm/drm_sysfs.c    |    8 +-
 drivers/char/drm/i915_irq.c     |  199 +++++++++++++++++++++++++++------------
 drivers/char/drm/r128_drm.h     |    3 -
 drivers/char/drm/r128_drv.h     |    3 -
 drivers/char/drm/r128_state.c   |    3 -
 drivers/char/drm/r300_cmdbuf.c  |   32 +-----
 drivers/char/drm/radeon_drv.h   |   15 +++
 drivers/char/drm/radeon_irq.c   |    4 -
 drivers/char/drm/radeon_mem.c   |    4 -
 drivers/char/drm/radeon_state.c |   13 +--
 drivers/char/drm/savage_bci.c   |    4 -
 14 files changed, 190 insertions(+), 119 deletions(-)

commit f9841a8d6018f8bcba77e75c9e368d94f1f22933
Author: Jean Delvare <khali@xxxxxxxxxxxx>
Date:   Tue Dec 19 18:04:33 2006 +1100

    drm: Stop defining pci_pretty_name

    drm drivers no longer use pci_pretty_name so we can stop defining it.

    Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx>
    Signed-off-by: Dave Airlie <airlied@xxxxxxxx>

commit 83a9e29b0fd753c28e3979d638a8ebfd3f6ebc96
Author: Dave Airlie <airlied@xxxxxxxxxxxxxxxxxxx>
Date:   Tue Dec 19 17:56:14 2006 +1100

    drm: r128: comment aligment with drm git

    Align some r128 license comments

    Signed-off-by: Dave Airlie <airlied@xxxxxxxx>

commit 0c4dd906a220fac7997048178ee4f5d8c378b38b
Author: Dave Airlie <airlied@xxxxxxxxxxxxxxxxxxx>
Date:   Tue Dec 19 17:49:44 2006 +1100

    drm: make kernel context switch same as for drm git tree.

    Signed-off-by: Dave Airlie <airlied@xxxxxxxx>

commit 94bb598e6b7d68690426f4c7c4385823951861eb
Author: Dave Airlie <airlied@xxxxxxxxxxxxxxxxxxx>
Date:   Tue Dec 19 17:49:08 2006 +1100

    drm: fixup comment header style

    Signed-off-by: Dave Airlie <airlied@xxxxxxxx>

commit 183b4aeefa1ff8e0a792b95d5d56f0994d022449
Author: Eric Anholt <eric@xxxxxxxxxx>
Date:   Tue Dec 19 17:20:02 2006 +1100

    drm: savage: compat fix from drm git.

    Signed-off-by: Dave Airlie <airlied@xxxxxxxx>

commit 1d6bb8e51dba3db1c15575901022fe72d363e5a4
Author: =?utf-8?q?Michel_D=C3=A4nzer?= <michel@xxxxxxxxxxxxxxxxxxxx>
Date:   Fri Dec 15 18:54:35 2006 +1100

    drm: Unify radeon offset checking.

    Replace r300_check_offset() with generic radeon_check_offset(), which doesn't
    reject valid offsets when the framebuffer area is at the very end of the card's
    32 bit address space. Make radeon_check_and_fixup_offset() use
    radeon_check_offset() as well.

    This fixes https://bugs.freedesktop.org/show_bug.cgi?id=7697 .

commit 3188a24c256bae0ed93d81d82db1f1bb6060d727
Author: =?utf-8?q?Michel_D=C3=A4nzer?= <michel@xxxxxxxxxxxxxxxxxxxx>
Date:   Mon Dec 11 18:32:27 2006 +1100

    i915_vblank_tasklet: Try harder to avoid tearing.

    Previously, if there were several buffer swaps scheduled for the same vertical
    blank, all but the first blit emitted stood a chance of exhibiting tearing. In
    order to avoid this, split the blits along slices of each output top to bottom.

    Signed-off-by: Dave Airlie <airlied@xxxxxxxx>

commit 2c3f0eddfbd7f5c7a5450de287bad805722888c3
Author: Jeff Garzik <jeff@xxxxxxxxxx>
Date:   Sat Dec 9 10:50:22 2006 +1100

    DRM: handle pci_enable_device failure

    Signed-off-by: Jeff Garzik <jeff@xxxxxxxxxx>
    Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
    Signed-off-by: Dave Airlie <airlied@xxxxxxxx>

commit 94f060bd0f78814f4daf8c7942bd710af52c7d6f
Author: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Date:   Sat Dec 9 10:49:47 2006 +1100

    drm: fix return value check

    class_create() and class_device_create() return error code as a pointer on
    failure.  These return values need to be checked by IS_ERR().

    Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
    Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
    Signed-off-by: Dave Airlie <airlied@xxxxxxxx>
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