On 04/04/2017 02:31 PM, Neil Armstrong wrote: > The Amlogic GX SoCs implements a Synopsys DesignWare HDMI TX Controller > in combination with a very custom PHY. > > Thanks to Laurent Pinchart's changes, the HW report the following : > Detected HDMI TX controller v2.01a with HDCP (meson_dw_hdmi_phy) > > The following differs from common PHY integration as managed in the current > driver : > - Amlogic PHY is not configured through the internal I2C link > - Amlogic PHY do not use the ENTMDS, SVSRET, PDDQ, ... signals from the controller > - Amlogic PHY do not export HPD ands RxSense signals to the controller > > And finally, concerning the controller integration : > - the Controller registers are not flat memory-mapped, and uses an > addr+read/write register pair to write all registers. > - Inputs only YUV444 pixel data > > Most of these uses case are implemented in Laurent Pinchart v5.1 patchset merged > in drm-misc-next branch. > > This is why the following patchset implements : > - Configure the Input format from the plat_data > - Add PHY callback to handle HPD and RxSense out of the dw-hdmi driver > > To implement the input format handling, the Synopsys HDMIT TX Controller input > V4L bus formats are used and missing formats + documentation are added. > > This patchset makes the Amlogic GX SoCs HDMI output successfully work, and is > also tested on the RK3288 ACT8846 EVB Board. > > Changes since v6 at [8] : > - Dropped already merged media patches in topic/synopsys-media-formats-2017-04-03 tag > - Reword the patch "Switch to V4L bus format and encodings" commit message > - Fix typo in patch "Switch to V4L bus format and encodings" > - Add Laurent Pinchart reviewed/acked-by's > - Rebased on drm-misc-next at 9c4ad466d1dd > > Changes since v5.1 at [7] : > - Rework of the 48bit tables in V4L bus formats documentation > - Add Archit reviewed-by's > > Changes since v5 at [6] : > - Small addition in V4L YUV bus formats documentation > > Changes since v4 at [5] : > - Rebased on drm-misc-next at bd283d2f66c2 > - Fix 4:2:0 bus formats naming > - Renamed function fd_registered to i2c_init in dw-hdmi.c > > Changes since v3 at [4] : > - Fix 4:2:0 bus formats naming > - Add separate 36bit and 48bit tables for bus formats documentation > - Added 4:2:0 bus config in hdmi_video_sample > - Moved dw_hdmi documentation in a "bridge" subdir > - Rebase on drm-misc-next at 62c58af32c93 > > Changes since v2 at [3] : > - Rebase on laurent patch "Extract PHY interrupt setup to a function" > - Reduce phy operations > - Switch the V4L bus formats and encodings instead of custom enum > > Changes since v1 at [2] : > - Drop patches submitted by laurent > > Changes since RFC at [1] : > - Regmap fixup for 4bytes register access, tested on RK3288 SoC > - Move phy callbacks to phy_ops and move Synopsys PHY calls into default ops > - Move HDMI link data into shared header > - Move Pixel Encoding enum to shared header > > [1] http://lkml.kernel.org/r/1484656294-6140-1-git-send-email-narmstrong@xxxxxxxxxxxx > [2] http://lkml.kernel.org/r/1485774318-21916-1-git-send-email-narmstrong@xxxxxxxxxxxx > [3] http://lkml.kernel.org/r/1488468572-31971-1-git-send-email-narmstrong@xxxxxxxxxxxx > [4] http://lkml.kernel.org/r/1488904944-14285-1-git-send-email-narmstrong@xxxxxxxxxxxx > [5] http://lkml.kernel.org/r/1490109161-20529-1-git-send-email-narmstrong@xxxxxxxxxxxx > [6] http://lkml.kernel.org/r/1490864675-17336-1-git-send-email-narmstrong@xxxxxxxxxxxx > [7] http://lkml.kernel.org/r/1490970319-24981-1-git-send-email-narmstrong@xxxxxxxxxxxx > [8] http://lkml.kernel.org/r/1491230558-10804-1-git-send-email-narmstrong@xxxxxxxxxxxx > > Laurent Pinchart (1): > drm: bridge: dw-hdmi: Extract PHY interrupt setup to a function > > Neil Armstrong (3): > drm: bridge: dw-hdmi: Switch to V4L bus format and encodings > drm: bridge: dw-hdmi: Add Documentation on supported input formats > drm: bridge: dw-hdmi: Move HPD handling to PHY operations > > Documentation/gpu/bridge/dw-hdmi.rst | 15 + > Documentation/gpu/index.rst | 1 + > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 470 ++++++++++++++++++++---------- > include/drm/bridge/dw_hdmi.h | 68 +++++ > 4 files changed, 398 insertions(+), 156 deletions(-) > create mode 100644 Documentation/gpu/bridge/dw-hdmi.rst > Applied to drm-misc-next Thanks Daniel, Sean, Neil
