[GIT PULL] Synopsis DesignWare HDMI driver development updates

Russell King rmk at arm.linux.org.uk
Fri Aug 21 07:01:12 PDT 2015

I've now dropped this into linux-next so that it can get some time there,
and still be merged during the 4.3 merge window should it open this Sunday.

On Wed, Aug 19, 2015 at 09:11:06AM +0100, Russell King wrote:
> 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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