Re: [PATCH v1 00/19] Add DRM for stih4xx platforms

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You can found the patches here:

git://git.linaro.org/people/benjamin.gaignard/kernel.git
on branch: drm_kms_for_next

Regards,
Benjamin


2014-04-08 14:27 GMT+02:00 Rob Clark <robdclark@xxxxxxxxx>:
> On Tue, Apr 8, 2014 at 8:19 AM, Benjamin Gaignard
> <benjamin.gaignard@xxxxxxxxxx> wrote:
>> This series of patches add the support of DRM/KMS drivers for STMicroelectronics
>> chipsets stih416 and stih407.
>
> *finally* \o/
>
> one small request.. got a git branch somewhere?  This patchset is big
> enough that it would be convenient for reviewing to be able to
> git-fetch..
>
> BR,
> -R
>
>> Hardware is split in two main blocks: Compositor and TVout. Each of them
>> includes specific hardware IPs and the display timing are controlled by a specific
>> Video Timing Generator hardware IP (VTG).
>>
>> Compositor is made of the follow hardware IPs:
>>  - GDP (Generic Display Pipeline) which is an entry point for graphic (RGB)
>>    buffers
>>  - VDP (Video Diplay Pipeline) which is an entry point for video (YUV) buffers
>>  - HQVDP (High Quality Video Display Processor) that supports scaling,
>>    deinterlacing and some miscellaneous image quality improvements.
>>    It fetches the Video decoded buffers from memory, processes them and pushes
>>    them to the Compositor through a HW dedicated bus.
>>  - Mixer is responsible of mixing all the entries depending of their
>>    respective z-order and layout
>>
>> TVout is divided in 3 parts:
>>  - HDMI to generate HDMI signals, depending of chipset version HDMI phy can
>>    change.
>>  - HDA to generate signals for HD analog TV
>>  - VIP to control/switch data path coming from Compositor
>>
>> On stih416 compositor and Tvout are on different dies so a Video Trafic Advance
>> inter-die Communication mechanism (VTAC) is needed.
>>
>> +---------------------------------------------+   +----------------------------------------+
>> | +-------------------------------+   +----+  |   |  +----+   +--------------------------+ |
>> | |                               |   |    |  |   |  |    |   |  +---------+     +----+  | |
>> | | +----+              +------+  |   |    |  |   |  |    |   |  | VIP     |---->|HDMI|  | |
>> | | |GPD +------------->|      |  |   |    |  |   |  |    |   |  |         |     +----+  | |
>> | | +----+              |Mixer |--|-->|    |  |   |  |    |---|->| switcher|             | |
>> | |                     |      |  |   |    |  |   |  |    |   |  |         |     +----+  | |
>> | |                     |      |  |   |    |  |   |  |    |   |  |         |---->|HDA |  | |
>> | |                     +------+  |   |VTAC|========>|VTAC|   |  +---------+     +----+  | |
>> | |                               |   |    |  |   |  |    |   |                          | |
>> | |         Compositor            |   |    |  |   |  |    |   |           TVout          | |
>> | +-------------------------------+   |    |  |   |  |    |   +--------------------------+ |
>> |                      ^              |    |  |   |  |    |             ^                  |
>> |                      |              |    |  |   |  |    |             |                  |
>> |               +--------------+      |    |  |   |  |    |      +-------------+           |
>> |               | VTG (master) |----->|    |  |   |  |    |----->| VTG (slave) |           |
>> |               +--------------+      +----+  |   |  +----+      +-------------+           |
>> |Digital die                                  |   |                              Analog Die|
>> +---------------------------------------------+   +----------------------------------------+
>>
>> On stih407 Compositor and Tvout are on the same die
>>
>> +-----------------------------------------------------------------+
>> | +-------------------------------+  +--------------------------+ |
>> | |                               |  |  +---------+     +----+  | |
>> | | +----+              +------+  |  |  | VIP     |---->|HDMI|  | |
>> | | |GPD +------------->|      |  |  |  |         |     +----+  | |
>> | | +----+              |Mixer |--|--|->| switcher|             | |
>> | | +----+   +-----+    |      |  |  |  |         |     +----+  | |
>> | | |VDP +-->+HQVDP+--->|      |  |  |  |         |---->|HDA |  | |
>> | | +----+   +-----+    +------+  |  |  +---------+     +----+  | |
>> | |                               |  |                          | |
>> | |         Compositor            |  |           TVout          | |
>> | +-------------------------------+  +--------------------------+ |
>> |                              ^        ^                         |
>> |                              |        |                         |
>> |                           +--------------+                      |
>> |                           |     VTG      |                      |
>> |                           +--------------+                      |
>> |Digital die                                                      |
>> +-----------------------------------------------------------------+
>>
>> In addition of the drivers for the IPs listed before a thin I2C driver (hdmiddc) is used
>> by HDMI driver to retrieve EDID for monitor.
>>
>> To unify interfaces of GDP and VDP we create a "layer" interface called by
>> compositor to control both GPD and VDP.
>>
>> Hardware have memory contraints (alignment, contiguous) so we use CMA drm helpers functions
>> to allocate frame buffer.
>>
>> File naming convention is:
>>  - sti_* for IPs drivers
>>  - sti_drm_* for drm functions implementation.
>>
>> Benjamin Gaignard (18):
>>   drm: sti: add bindings for DRM driver
>>   drm: sti: add VTG driver
>>   drm: sti: add VTAC drivers
>>   drm: sti: add HDMI driver
>>   drm: sti: add I2C client driver for HDMI
>>   drm: sti: add HDA driver
>>   drm: sti: add TVOut driver
>>   drm: sti: add sti layer interface definition
>>   drm: sti: add GDP layer
>>   drm: sti: add VID layer
>>   drm: sti: add Mixer
>>   drm: sti: add Compositor
>>   drm: sti: add debug to GDP
>>   drm: sti: add debug to VID
>>   drm: sti: add debug to TVout
>>   drm: sti: add debug to mixer
>>   drm: sti: Add DRM driver itself
>>   drm: sti: add HQVDP driver
>>
>> Vincent Abriou (1):
>>   drm: sti: rename mixer registers to be main/aux independent
>>
>>  .../devicetree/bindings/gpu/st,stih4xx.txt         |  177 ++++
>>  drivers/gpu/drm/Kconfig                            |    2 +
>>  drivers/gpu/drm/Makefile                           |    1 +
>>  drivers/gpu/drm/sti/Kconfig                        |   26 +
>>  drivers/gpu/drm/sti/Makefile                       |   23 +
>>  drivers/gpu/drm/sti/sti_compositor.c               |  189 ++++
>>  drivers/gpu/drm/sti/sti_compositor.h               |   84 ++
>>  drivers/gpu/drm/sti/sti_ddc.c                      |   56 +
>>  drivers/gpu/drm/sti/sti_drm_connector.c            |  195 ++++
>>  drivers/gpu/drm/sti/sti_drm_connector.h            |   16 +
>>  drivers/gpu/drm/sti/sti_drm_crtc.c                 |  440 ++++++++
>>  drivers/gpu/drm/sti/sti_drm_crtc.h                 |   21 +
>>  drivers/gpu/drm/sti/sti_drm_drv.c                  |  484 +++++++++
>>  drivers/gpu/drm/sti/sti_drm_drv.h                  |   48 +
>>  drivers/gpu/drm/sti/sti_drm_encoder.c              |  201 ++++
>>  drivers/gpu/drm/sti/sti_drm_encoder.h              |   16 +
>>  drivers/gpu/drm/sti/sti_drm_plane.c                |  195 ++++
>>  drivers/gpu/drm/sti/sti_drm_plane.h                |   16 +
>>  drivers/gpu/drm/sti/sti_gdp.c                      |  726 +++++++++++++
>>  drivers/gpu/drm/sti/sti_gdp.h                      |   75 ++
>>  drivers/gpu/drm/sti/sti_hda.c                      |  826 +++++++++++++++
>>  drivers/gpu/drm/sti/sti_hda.h                      |   14 +
>>  drivers/gpu/drm/sti/sti_hdmi.c                     | 1045 +++++++++++++++++++
>>  drivers/gpu/drm/sti/sti_hdmi.h                     |  198 ++++
>>  drivers/gpu/drm/sti/sti_hdmi_tx3g0c55phy.c         |  398 +++++++
>>  drivers/gpu/drm/sti/sti_hdmi_tx3g4c28phy.c         |  224 ++++
>>  drivers/gpu/drm/sti/sti_hqvdp.c                    | 1089 ++++++++++++++++++++
>>  drivers/gpu/drm/sti/sti_hqvdp.h                    |   55 +
>>  drivers/gpu/drm/sti/sti_hqvdp_lut.h                |  373 +++++++
>>  drivers/gpu/drm/sti/sti_layer.c                    |  324 ++++++
>>  drivers/gpu/drm/sti/sti_layer.h                    |  116 +++
>>  drivers/gpu/drm/sti/sti_mixer.c                    |  405 ++++++++
>>  drivers/gpu/drm/sti/sti_mixer.h                    |   54 +
>>  drivers/gpu/drm/sti/sti_tvout.c                    |  863 ++++++++++++++++
>>  drivers/gpu/drm/sti/sti_tvout.h                    |  105 ++
>>  drivers/gpu/drm/sti/sti_vid.c                      |  259 +++++
>>  drivers/gpu/drm/sti/sti_vid.h                      |   34 +
>>  drivers/gpu/drm/sti/sti_vtac_rx.c                  |  140 +++
>>  drivers/gpu/drm/sti/sti_vtac_tx.c                  |  152 +++
>>  drivers/gpu/drm/sti/sti_vtac_utils.h               |   52 +
>>  drivers/gpu/drm/sti/sti_vtg.c                      |  438 ++++++++
>>  drivers/gpu/drm/sti/sti_vtg.h                      |   20 +
>>  drivers/gpu/drm/sti/sti_vtg_utils.c                |   99 ++
>>  drivers/gpu/drm/sti/sti_vtg_utils.h                |   29 +
>>  44 files changed, 10303 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/gpu/st,stih4xx.txt
>>  create mode 100644 drivers/gpu/drm/sti/Kconfig
>>  create mode 100644 drivers/gpu/drm/sti/Makefile
>>  create mode 100644 drivers/gpu/drm/sti/sti_compositor.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_compositor.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_ddc.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_connector.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_connector.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_crtc.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_crtc.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_drv.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_drv.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_encoder.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_encoder.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_plane.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_drm_plane.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_gdp.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_gdp.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_hda.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_hda.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_hdmi.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_hdmi.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_hdmi_tx3g0c55phy.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_hdmi_tx3g4c28phy.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_hqvdp.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_hqvdp.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_hqvdp_lut.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_layer.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_layer.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_mixer.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_mixer.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_tvout.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_tvout.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_vid.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_vid.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_vtac_rx.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_vtac_tx.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_vtac_utils.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_vtg.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_vtg.h
>>  create mode 100644 drivers/gpu/drm/sti/sti_vtg_utils.c
>>  create mode 100644 drivers/gpu/drm/sti/sti_vtg_utils.h
>>
>> --
>> 1.9.0
>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> http://lists.freedesktop.org/mailman/listinfo/dri-devel



-- 
Benjamin Gaignard

Graphic Working Group

Linaro.org │ Open source software for ARM SoCs

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