Re: [PATCH 0/8] v4.19.0 Added Color Management Module

From: Laurent Pinchart
Date: Thu Apr 04 2019 - 05:46:53 EST


On Thu, Apr 04, 2019 at 12:45:31PM +0300, Laurent Pinchart wrote:
> Hi Kalakodima,
>
> Thank you for the patch.

And I forgot to mention, please CC me on all patches to the DU driver.
The script/get_maintainer.pl script should have told you about that.
>
> On Wed, Apr 03, 2019 at 06:44:36PM +0530, VenkataRajesh.Kalakodima@xxxxxxxxxxxx wrote:
> > From: kalakodima venkata rajesh <venkatarajesh.kalakodima@xxxxxxxxxxxx>
> >
> > This patchset adds rcar- display unit color management module (CMM)
> > function feature, Which allows correction and adjustment of the
> > display data, through updating Look up table (gamma) and Cubic look
> > up table (CTM) property values
> >
> > Base color management module reference code taken from below link,
> > https://github.com/renesas-rcar/du_cmm .
> > - In above code, modified variable namingÃââs and removed un used
> > functionalities.
> > - Introduce new functions for queueing cubic look up table and look up
> > table events.
> >
> > - Implemented interfaces in color management module to set CLU /LUT
> > table using standard DRM data structures as input.
> > Look up table is a 1D-LUT that converts each of three-color
> > components by using a lookup table. LUT is used for gamma
> > correction.
> > Cubic look up table is a three-dimensional LUT (3D-LUT) that
> > converts the input three-color-component data into desired three
> > color Components by using a lookup table
> >
> > - Implemented atomic check helper functions for enable/disable LUT and
> > CLU (Gamma and Color Transformation Matrix properties).
> > - Allocated memory necessary for cubic look up table and look up table
> > and added mode fix up callback function
> > - Added update gamma and color transformation matrix properties in
> > commit tail function, If any change in property values.
> >
> > kalakodima venkata rajesh (8):
> > drm: Add DU CMM support functions
> > drm: Add DU CMM support boot and clk changes
> > drm: rcar-du: Give a name to clu table samples
> > drm: rcar-du: Refactor the code with new functions
> > drm: rcar-du: Implement interfaces to set clu and lut using drm data
> > structures
> > drm: rcar-du: Implement atomic_check to check for gamma and ctm
> > properties
> > drm: rcar-du: update gamma and ctm properties in commit tail
> > drm: rcar-du: Add shutdown callback function in platform_driver
> >
> > .../boot/dts/renesas/r8a7795-es1-salvator-x.dts | 5 +
> > arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts | 5 +
> > .../arm64/boot/dts/renesas/r8a7795-salvator-xs.dts | 5 +
> > arch/arm64/boot/dts/renesas/r8a7795.dtsi | 29 +-
> > arch/arm64/boot/dts/renesas/r8a7796-salvator-x.dts | 6 +-
> > .../arm64/boot/dts/renesas/r8a7796-salvator-xs.dts | 4 +
> > arch/arm64/boot/dts/renesas/r8a7796.dtsi | 25 +-
> > .../arm64/boot/dts/renesas/r8a77965-salvator-x.dts | 7 +-
> > .../boot/dts/renesas/r8a77965-salvator-xs.dts | 7 +-
> > arch/arm64/boot/dts/renesas/r8a77965.dtsi | 27 +-
> > drivers/clk/renesas/r8a7795-cpg-mssr.c | 4 +
> > drivers/clk/renesas/r8a7796-cpg-mssr.c | 3 +
> > drivers/clk/renesas/r8a77965-cpg-mssr.c | 106 +-
> > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 35 +
> > drivers/gpu/drm/rcar-du/Makefile | 2 +
> > drivers/gpu/drm/rcar-du/rcar_du_cmm.c | 1470 ++++++++++++++++++++
> > drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 82 ++
> > drivers/gpu/drm/rcar-du/rcar_du_crtc.h | 28 +
> > drivers/gpu/drm/rcar-du/rcar_du_drv.c | 85 +-
> > drivers/gpu/drm/rcar-du/rcar_du_drv.h | 16 +-
> > drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 2 +-
> > drivers/gpu/drm/rcar-du/rcar_du_encoder.h | 1 +
> > drivers/gpu/drm/rcar-du/rcar_du_group.c | 5 +
> > drivers/gpu/drm/rcar-du/rcar_du_kms.c | 25 +
> > drivers/gpu/drm/rcar-du/rcar_du_regs.h | 92 ++
> > include/drm/bridge/dw_hdmi.h | 1 +
> > include/drm/drm_atomic.h | 25 +
> > include/drm/drm_ioctl.h | 7 +
> > 28 files changed, 2082 insertions(+), 27 deletions(-)
> > create mode 100644 drivers/gpu/drm/rcar-du/rcar_du_cmm.c
>
> First of all, please split changes to DT, to the clock drivers, to the
> dw-hdmi driver, to the DRM core and to the R-Car DU driver in separate
> patches, with appropriate subject lines prefixes for each of them. As
> you're modifying DT bindngs, you also need to update the bindings
> documentation, which should go to a patch of its own.
>
> --
> Regards,
>
> Laurent Pinchart

--
Regards,

Laurent Pinchart