Re: [PATCH v3 0/4] Add support for iMX8MQ Display Controller Subsystem

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Hi Laurentiu,
On Fri, Dec 06, 2019 at 11:52:37AM +0200, Laurentiu Palcu wrote:
> Hi,
> 
> This patchset adds initial DCSS support for iMX8MQ chip. Initial support
> includes only graphics plane support (no video planes), no HDR10 capabilities,
> no graphics decompression (only linear, tiled and super-tiled buffers allowed).
> 
> Support for the rest of the features will be added incrementally, in subsequent
> patches.
> 
> The patchset was tested with both HDP driver (not yet upstreamed) and MIPI-DSI
> (drivers already on the dri-devel ML).

I've been testing this with the HDP parts pulled out of NXPs vendor tree
for a while so

Tested-by: Guido Günther <agx@xxxxxxxxxxx>

Cheers,
 -- Guido

> 
> Thanks,
> Laurentiu
> 
> Changes in v3:
>  * rebased to latest linux-next and made it compile as drmP.h was
>    removed;
>  * removed the patch adding the VIDEO2_PLL clock. It's already applied;
>  * removed an unnecessary 50ms sleep in the dcss_dtg_sync_set();
>  * fixed a a spurious hang reported by Lukas Hartmann and encountered
>    by me several times;
>  * mask DPR and DTG interrupts by default, as they may come enabled from
>    U-boot;
> 
> Changes in v2:
>  * Removed '0x' in node's unit-address both in DT and yaml;
>  * Made the address region size lowercase, to be consistent;
>  * Removed some left-over references to P010;
>  * Added a Kconfig dependency of DRM && ARCH_MXC. This will also silence compilation
>    issues reported by kbuild for other architectures;
> 
> 
> Laurentiu Palcu (4):
>   drm/imx: compile imx directory by default
>   drm/imx: Add initial support for DCSS on iMX8MQ
>   dt-bindings: display: imx: add bindings for DCSS
>   arm64: dts: imx8mq: add DCSS node
> 
>  .../bindings/display/imx/nxp,imx8mq-dcss.yaml      |  86 +++
>  arch/arm64/boot/dts/freescale/imx8mq.dtsi          |  25 +
>  drivers/gpu/drm/Makefile                           |   2 +-
>  drivers/gpu/drm/imx/Kconfig                        |   2 +
>  drivers/gpu/drm/imx/Makefile                       |   1 +
>  drivers/gpu/drm/imx/dcss/Kconfig                   |   8 +
>  drivers/gpu/drm/imx/dcss/Makefile                  |   6 +
>  drivers/gpu/drm/imx/dcss/dcss-blkctl.c             |  75 ++
>  drivers/gpu/drm/imx/dcss/dcss-crtc.c               | 224 ++++++
>  drivers/gpu/drm/imx/dcss/dcss-ctxld.c              | 447 +++++++++++
>  drivers/gpu/drm/imx/dcss/dcss-dev.c                | 286 +++++++
>  drivers/gpu/drm/imx/dcss/dcss-dev.h                | 195 +++++
>  drivers/gpu/drm/imx/dcss/dcss-dpr.c                | 550 ++++++++++++++
>  drivers/gpu/drm/imx/dcss/dcss-drv.c                | 181 +++++
>  drivers/gpu/drm/imx/dcss/dcss-dtg.c                | 442 +++++++++++
>  drivers/gpu/drm/imx/dcss/dcss-kms.c                | 322 ++++++++
>  drivers/gpu/drm/imx/dcss/dcss-kms.h                |  52 ++
>  drivers/gpu/drm/imx/dcss/dcss-plane.c              | 418 +++++++++++
>  drivers/gpu/drm/imx/dcss/dcss-scaler.c             | 826 +++++++++++++++++++++
>  drivers/gpu/drm/imx/dcss/dcss-ss.c                 | 179 +++++
>  20 files changed, 4326 insertions(+), 1 deletion(-)
>  create mode 100644 Documentation/devicetree/bindings/display/imx/nxp,imx8mq-dcss.yaml
>  create mode 100644 drivers/gpu/drm/imx/dcss/Kconfig
>  create mode 100644 drivers/gpu/drm/imx/dcss/Makefile
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-blkctl.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-crtc.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-ctxld.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-dev.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-dev.h
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-dpr.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-drv.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-dtg.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-kms.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-kms.h
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-plane.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-scaler.c
>  create mode 100644 drivers/gpu/drm/imx/dcss/dcss-ss.c
> 
> -- 
> 2.7.4
> 
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