[PROTO,00/10] R-Car D3 LVDS/HDMI support (with PLL)

Message

Ulrich Hecht Aug. 14, 2018, 1:49 p.m. UTC

Hi!

This is a prototype extension of the series "R-Car D3 LVDS/HDMI support"
that includes an up-port of the LVDS PLL support in the BSP.

While this is prototype-quality code, there are in my judgment no serious
hacks in it.  The most significant deviation in behavior between this and
the BSP code is that the LVDS PLL setup is not done in two steps, but in one
go as the LVDS device is enabled.  This was easier to implement, and works
just as fine.

Instructions for testing this are found at
https://elinux.org/User:Uli/D3_HDMI_Test, including links to git trees based
on renesas-drivers and drm-next, as well as config files for each.

CU
Uli


Jacopo Mondi (1):
  drm: rcar-du: lvds: Handle LVDS interface reset

Kieran Bingham (1):
  arm64: dts: renesas: r8a77995: Add LVDS support

Koji Matsuoka (5):
  drm: rcar-du: Add clk_set_rate for external clock device
  drm: rcar-du: Fix digital RGB routing for R8A77995
  drm/bridge: adv7511: Add max-clock, min-vrefresh options
  drm: rcar-du: Fix procedure for extal and dotclkin selection
  arm64: dts: r8a77995-draak: set external clock for DU

Ulrich Hecht (3):
  drm: rcar-du: Add r8a77995 device support
  drm: rcar-du: lvds: LVDS PLL support
  arm64: dts: renesas: r8a77995-draak: add HDMI output

 arch/arm64/boot/dts/renesas/r8a77995-draak.dts |  92 +++++++++-
 arch/arm64/boot/dts/renesas/r8a77995.dtsi      |  56 ++++++
 drivers/gpu/drm/bridge/adv7511/adv7511.h       |   7 +
 drivers/gpu/drm/bridge/adv7511/adv7511_drv.c   |  22 +++
 drivers/gpu/drm/rcar-du/rcar_du_crtc.c         |  33 ++--
 drivers/gpu/drm/rcar-du/rcar_du_crtc.h         |   4 +
 drivers/gpu/drm/rcar-du/rcar_du_drv.c          |  28 +++
 drivers/gpu/drm/rcar-du/rcar_du_drv.h          |   4 +
 drivers/gpu/drm/rcar-du/rcar_du_group.c        |  18 +-
 drivers/gpu/drm/rcar-du/rcar_lvds.c            | 227 +++++++++++++++++++++++++
 drivers/gpu/drm/rcar-du/rcar_lvds_regs.h       |  44 ++++-
 11 files changed, 517 insertions(+), 18 deletions(-)

Comments

Laurent Pinchart Aug. 20, 2018, 9:50 a.m. UTC | #1

Hi Ulrich,

Thank you for the patches.

On Tuesday, 14 August 2018 16:49:54 EEST Ulrich Hecht wrote:
> Hi!
> 
> This is a prototype extension of the series "R-Car D3 LVDS/HDMI support"
> that includes an up-port of the LVDS PLL support in the BSP.
> 
> While this is prototype-quality code, there are in my judgment no serious
> hacks in it.  The most significant deviation in behavior between this and
> the BSP code is that the LVDS PLL setup is not done in two steps, but in one
> go as the LVDS device is enabled.  This was easier to implement, and works
> just as fine.
> 
> Instructions for testing this are found at
> https://elinux.org/User:Uli/D3_HDMI_Test, including links to git trees based
> on renesas-drivers and drm-next, as well as config files for each.

The instructions there end with

"4. Boot kernel and observe activity on HDMI display."

Does "activity" mean that I can expect a working HDMI output with a proper 
image on the display ? :-)

Ulrich Hecht Aug. 21, 2018, 8:02 a.m. UTC | #2

> On August 20, 2018 at 11:50 AM Laurent Pinchart <[e-mail]> wrote:
> On Tuesday, 14 August 2018 16:49:54 EEST Ulrich Hecht wrote:
> > Instructions for testing this are found at
> > https://elinux.org/User:Uli/D3_HDMI_Test, including links to git trees based
> > on renesas-drivers and drm-next, as well as config files for each.
> 
> The instructions there end with
> 
> "4. Boot kernel and observe activity on HDMI display."
> 
> Does "activity" mean that I can expect a working HDMI output with a proper 
> image on the display ? :-)

Yes, you can. :)

CU
Uli