[GIT PULL] Synopsis DesignWare HDMI driver development updates

[Russell King <rmk@arm.linux.org.uk>]

David,

Please incorporate the latest Synopsis DesignWare HDMI driver development
updates, which can be found at:

  git://ftp.arm.linux.org.uk/~rmk/linux-arm.git drm-dwhdmi-devel

with SHA1 6dc2e1bf8e0025db2ff8a35ee3e0bd88203d4402.

This is a re-send of the original pull request from the 15th July plus a
few more changes.

Here are some development updates for the Synopsis Designware HDMI driver,
which clean up some of the code, and start preparing to add audio support
to the driver.  This series of patches are based on a couple of dependent
commits from the ALSA tree.

Briefly, the updates are:
- move comments which should have moved with the phy values to the IMX
  part of the driver.
- clean up the phy configuration: to all lookups before starting to
  program the phy.
- clean up the HDMI clock regenerator code
- use the drm_hdmi_avi_infoframe_from_display_mode() helper which allows
  the code to be subsequently simplified
- remove the unused 'regmap' pointer in struct dw_hdmi
- use the bridge drm device rather than the connector (we're the bridge
  code)
- remove private hsync/vsync/interlaced flags, getting them from the
  DRM mode structure instead.
- implement interface functions to support audio - setting the audio
  sample rate, and enabling the audio clocks.
- removal of broken pixel repetition support
- cleanup DVI vs HDMI sink handling
- enable audio only if connected device supports audio
- avoid double-enabling bridge in the sink path (once in mode_set, and
  again in commit)
- rename mis-named dw_hdmi_phy_enable_power()
- fix bridge enable/disable handing, so a plug-in event doesn't
  reconfigure the bridge if DRM has disabled the output
- fix from Vladimir Zapolskiy for the I2CM_ADDRESS macro name

These are primerily preparitory patches for the AHB audio driver and
the I2S audio driver (from Rockchip) for this IP.

One other difference from the previous pull request is that I've moved
the "drm/edid: add function to help find SADs" commit to the start of
the series.  This commit should be pushed into v4.2 to fix the build
error people have been reporting with the ALSA ELD helpers.  Let me
know if you want a separate pull request for that for your drm-fixes
branch.

This will update the following files:

 drivers/gpu/drm/bridge/dw_hdmi.c  | 387 +++++++++++++++++++++-----------------
 drivers/gpu/drm/bridge/dw_hdmi.h  |   8 +-
 drivers/gpu/drm/imx/dw_hdmi-imx.c |   5 +
 include/drm/bridge/dw_hdmi.h      |   7 +
 include/drm/drm_edid.h            |  19 ++
 5 files changed, 252 insertions(+), 174 deletions(-)

through these changes:

Russell King (18):
      drm/edid: add function to help find SADs
      drm: imx/dw_hdmi: move phy comments
      drm: bridge/dw_hdmi: clean up phy configuration
      drm: bridge/dw_hdmi: clean up hdmi_set_clk_regenerator()
      drm: bridge/dw_hdmi: use drm_hdmi_avi_infoframe_from_display_mode()
      drm: bridge/dw_hdmi: simplify hdmi_config_AVI() a little
      drm: bridge/dw_hdmi: remove unused 'regmap' struct member
      drm: bridge/dw_hdmi: use our own drm_device
      drm: bridge/dw_hdmi: remove mhsyncpolarity/mvsyncpolarity/minterlaced
      drm: bridge/dw_hdmi: introduce interface to setting sample rate
      drm: bridge/dw_hdmi: introduce interfaces to enable and disable audio
      drm: bridge/dw_hdmi: remove pixel repetition setting for all VICs
      drm: bridge/dw_hdmi: don't support any pixel doubled modes
      drm: bridge/dw_hdmi: clean up HDMI vs DVI mode handling
      drm: bridge/dw_hdmi: enable audio only if sink supports audio
      drm: bridge/dw_hdmi: avoid enabling interface in mode_set
      drm: bridge/dw_hdmi: rename dw_hdmi_phy_enable_power()
      drm: bridge/dw_hdmi: fix phy enable/disable handling

Vladimir Zapolskiy (1):
      drm: bridge/dw_hdmi: fix register I2CM_ADDRESS register name

Many thanks.
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