[pull] radeon and amdgpu drm-fixes-4.6

[Alex Deucher]

Hi Dave,

A few small fixes for 4.6:
- fix a hang in the display engine seen with some bad modes
- Metadata use after free fix

The following changes since commit ea99697814d6e64927e228675a6eb7fa76014648:

  Merge branch 'drm-fixes-4.6' of git://people.freedesktop.org/~agd5f/linux into drm-fixes (2016-04-29 14:31:44 +1000)

are available in the git repository at:

  git://people.freedesktop.org/~agd5f/linux drm-fixes-4.6

for you to fetch changes up to 0126d4b9a516256f2432ca0dc78ab293a8255378:

  drm/amdgpu: make sure vertical front porch is at least 1 (2016-05-03 14:50:59 -0400)

----------------------------------------------------------------
Alex Deucher (2):
      drm/radeon: make sure vertical front porch is at least 1
      drm/amdgpu: make sure vertical front porch is at least 1

Dave Airlie (1):
      drm/amdgpu: set metadata pointer to NULL after freeing.

 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c     | 1 +
 drivers/gpu/drm/amd/amdgpu/atombios_encoders.c | 4 ++++
 drivers/gpu/drm/radeon/atombios_encoders.c     | 4 ++++
 3 files changed, 9 insertions(+)