linux-stable.git/drivers/gpu/drm/drm_vm.c, branch v3.5

drm: pass dev to drm_vm_{open,close}_locked()

2012-05-11T16:37:46+00:00

Previously these functions would assume that vma->vm_file was the
drm_file.  Although if in some cases if the drm driver needs to use
something else for the backing file (such as the tmpfs filp) then this
assumption is no longer true.  But vma->vm_private_data is still the
GEM object.

With this change, now the drm_device comes from the GEM object rather
than the drm_file so the driver is more free to play with vma->vm_file.

The scenario where this comes up is for mmap'ing of cached dmabuf's
for non-coherent systems, where the driver needs to use fault handling
and PTE shootdown to simulate coherency.  We can't use the vma->vm_file
of the dmabuf, which is using anon_inode's address_space.  The most
straightforward thing to do is to use the GEM object's obj->filp for
vma->vm_file in all cases, for which we need this patch.

Signed-off-by: Rob Clark 
Signed-off-by: Dave Airlie

drm: add core support for unplugging a device (v2)

2012-03-15T13:35:33+00:00

Two parts to this, one is simple unplug from sysfs for the device node.

The second adds an unplugged state, if we have device opens, we
just set the unplugged state and return, if we have no device
opens we drop the drm device.

If after a lastclose we discover we are unplugged we then
drop the drm device.

v2: use an atomic for unplugged and wrap it for users,
add checks on open + mmap + ioctl entry points.

Signed-off-by: Dave Airlie

drm: drop setting vm_file to filp

2012-03-05T11:19:08+00:00

Talking to Al Viro on irc, we can see no possible reason for doing
this, the upper mmap code does it. The code has been there since
first import into drm tree I can find.

Al tracked down this as a requirement pre 2.3.51 hasn't been needed since.

Acked-by: Al Viro 
Signed-off-by: Dave Airlie

gpu: Add export.h as required to drivers/gpu files.

2011-10-31T23:32:03+00:00

They need this to get all the EXPORT_SYMBOL variants and THIS_MODULE

Signed-off-by: Paul Gortmaker

alpha/drm: Cleanup Alpha support in DRM generic code

2011-06-13T23:31:37+00:00

Remove an obsolete Alpha adjustment, and modify another,
to go with the current Alpha architecture support.

Signed-off-by: Jay Estabrook 
Tested-by: Matt Turner 
Signed-off-by: Dave Airlie

Merge remote branch 'korg/drm-fixes' into drm-vmware-next

2010-10-06T01:10:48+00:00

necessary for some of the vmware fixes to be pushed in.

Conflicts:
	drivers/gpu/drm/drm_gem.c
	drivers/gpu/drm/i915/intel_fb.c
	include/drm/drmP.h

drm: Prune GEM vma entries

2010-09-27T23:14:34+00:00

Hook the GEM vm open/close ops into the generic drm vm open/close so
that the private vma entries are created and destroy appropriately.
Fixes the leak of the drm_vma_entries during the lifetime of the filp.

Reported-by: Matt Mackall 
Cc: Jesse Barnes 
Signed-off-by: Chris Wilson 
Acked-by: Jesse Barnes 
Cc: stable@kernel.org
Signed-off-by: Dave Airlie

drm: kill get_reg_ofs callback

2010-08-29T23:44:56+00:00

Every driver used the default implementation. Fold that one into
the only callsite and drop the callback.

Signed-off-by: Daniel Vetter 
Signed-off-by: Dave Airlie

drm: kill drm_map_ofs callbacks

2010-08-29T23:38:50+00:00

All drivers happily copy&pasted the default implementation without
checking whether this callback is used at all. It's not. Sigh.

Kill it.

Signed-off-by: Daniel Vetter 
Signed-off-by: Dave Airlie

drm: fix end of loop test

2010-08-19T22:48:34+00:00

"agpmem" is never NULL here because it is the list cursor of a
list_for_each_entry() list.

Signed-off-by: Dan Carpenter 
Signed-off-by: Dave Airlie