linux/include
Noralf Trønnes 2194a63a81 drm: Add library for shmem backed GEM objects
This adds a library for shmem backed GEM objects.

v8:
- export drm_gem_shmem_create_with_handle
- call mapping_set_gfp_mask to set default zone to GFP_HIGHUSER
- Add helper drm_gem_shmem_get_pages_sgt()

v7:
- Use write-combine for mmap instead. This is the more common
  case. (robher)

v6:
- Fix uninitialized variable issue in an error path (anholt).
- Add a drm_gem_shmem_vm_open() to the fops to get proper refcounting
  of the pages (anholt).

v5:
- Drop drm_gem_shmem_prime_mmap() (Daniel Vetter)
- drm_gem_shmem_mmap(): Subtract drm_vma_node_start() to get the real
  vma->vm_pgoff
- drm_gem_shmem_fault(): Use vmf->pgoff now that vma->vm_pgoff is correct

v4:
- Drop cache modes (Thomas Hellstrom)
- Add a GEM attached vtable

v3:
- Grammar (Sam Ravnborg)
- s/drm_gem_shmem_put_pages_unlocked/drm_gem_shmem_put_pages_locked/
  (Sam Ravnborg)
- Add debug output in error path (Sam Ravnborg)

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190313004344.24169-1-robh@kernel.org
2019-03-14 12:06:44 -07:00
..
acpi
asm-generic Rename include/{uapi => }/asm-generic/shmparam.h really 2019-02-12 16:33:18 -08:00
clocksource
crypto
drm drm: Add library for shmem backed GEM objects 2019-03-14 12:06:44 -07:00
dt-bindings ARM: SoC fixes for linux-5.0 2019-02-08 16:23:41 -08:00
keys KEYS: user: Align the payload buffer 2019-02-22 10:11:19 -08:00
kvm
linux Merge drm/drm-next into drm-misc-next 2019-03-06 09:22:18 -05:00
math-emu
media
memory
misc
net ipv4: Add ICMPv6 support when parse route ipproto 2019-03-01 16:41:27 -08:00
pcmcia
ras
rdma
scsi
soc
sound typed componented support + i915/snd-hda changes 2019-02-19 11:17:42 +01:00
target
trace Linux 5.0-rc7 2019-02-18 13:27:15 +10:00
uapi Add support for floating point half-width formats. 2019-03-13 14:08:05 -04:00
video gpu: ipu-v3: prg: add function to get channel configure status 2019-02-22 11:58:45 +01:00
xen