[GIT PULL] imx-drm: scanout burst lock support

[Philipp Zabel]

Hi Dave,

please consider merging this tag which improvemes for scanout memory
access patterns on i.MX and contains a small cleanup for
ipu_plane_atomic_update.

regards
Philipp

The following changes since commit 5771a8c08880cdca3bfb4a3fc6d309d6bba20877:

  Linux v4.13-rc1 (2017-07-15 15:22:10 -0700)

are available in the git repository at:

  git://git.pengutronix.de/git/pza/linux.git tags/imx-drm-next-2017-07-18

for you to fetch changes up to 790cb4c7c9545953d22d3d425e49b36a711bae5b:

  drm/imx: lock scanout transfers for consecutive bursts (2017-07-17 12:58:11 +0200)

----------------------------------------------------------------
imx-drm: lock scanout transfers for consecutive bursts

- Lock the IDMAC scanout channel for multiple back-to-back bursts if possible,
  to improve memory bandwidth utilisation.
- Replace a few occurences of state->fb with the already existing local fb
  variable in ipu_plane_atomic_update

----------------------------------------------------------------
Philipp Zabel (2):
      drm/imx: ipuv3-plane: use fb local variable instead of state->fb
      drm/imx: lock scanout transfers for consecutive bursts

 drivers/gpu/drm/imx/ipuv3-plane.c | 53 +++++++++++++++++++++++++++++++--------
 1 file changed, 42 insertions(+), 11 deletions(-)