RE: [PATCH v9 RESEND 0/5] Add RZ/{G2L,G2LC} and RZ/V2L Display Unit support

From: Biju Das
Date: Mon May 29 2023 - 10:22:18 EST


HI Laurent,

Thanks for the feedback.

> Subject: Re: [PATCH v9 RESEND 0/5] Add RZ/{G2L,G2LC} and RZ/V2L Display
> Unit support
>
> Hi Biju,
>
> On Thu, May 25, 2023 at 02:30:10PM +0000, Biju Das wrote:
> > Hi DRM maintainers,
> >
> > Gentle ping.
>
> Sorry, I was on holidays the last two weeks.
>
> > Are we happy with moving all Renesas drm drivers to Renesas specific
> > directory or preference is for separate one??
>
> This works for me.
>
> > If it is later, I can send RZ/G2L drm driver separate.
> >
> > Otherwise, I need to rebase and resend.
>
> Your series applies cleanly on top of the latest drm-next branch. Is
> there a specific need to rebase and resend ?

Nope. After my patch series there were
some patches from Geert for drm/shmobile merged to drm-misc-next by Thomas.

Maybe git managed this automatically??


>
> I haven't had time to review patch 4/5 (the driver) yet. All the rest
> looks good to me. Should I already include 1/5 in my next pull request ?

Yes, please.

Cheers,
Biju

>
> > Please let me know your preference.
> >
> > Cheers,
> > Biju
> >
> >
> > > -----Original Message-----
> > > From: Biju Das
> > > Sent: Monday, May 15, 2023 8:58 AM
> > > To: David Airlie <airlied@xxxxxxxxx>; Daniel Vetter
> > > <daniel@xxxxxxxx>; Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>; Geert
> > > Uytterhoeven <geert+renesas@xxxxxxxxx>; Laurent Pinchart
> > > <laurent.pinchart@xxxxxxxxxxxxxxxx>; Kieran Bingham
> > > <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> > > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx;
> > > linux-renesas-soc@xxxxxxxxxxxxxxx;
> > > Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx>; Prabhakar Mahadev
> > > Lad <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > > Subject: RE: [PATCH v9 RESEND 0/5] Add RZ/{G2L,G2LC} and RZ/V2L
> > > Display Unit support
> > >
> > > Hi All,
> > >
> > > Gentle ping. Are we happy with this patch series?
> > >
> > > Cheers,
> > > Biju
> > >
> > > > Subject: [PATCH v9 RESEND 0/5] Add RZ/{G2L,G2LC} and RZ/V2L
> > > > Display Unit support
> > > >
> > > > RZ/G2L LCD controller composed of Frame compression
> > > > Processor(FCPVD), Video signal processor (VSPD) and Display
> > > > unit(DU). The output of LCDC is connected to Display parallel
> > > > interface and MIPI link video interface.
> > > >
> > > > The output from DSI is connected to ADV7535.
> > > >
> > > > Created a vendor specific directory renesas and moved all renesas
> > > > drm drivers to it (rcar-du and shmobile). Then added support for
> > > > RZ/G2L DU DRM driver by creating rz_du directory.
> > > >
> > > > Ref:
> > > >
> > > >
> > > > v8->v9:
> > > > * Added Rb tag from Laurent and Acked-by tag from Kieran for
> patch#1.
> > > > * Added Rb tag from Laurent and Geert for patch#3.
> > > > * Dropped reset_control_assert() from error patch for
> > > > rzg2l_du_crtc_get() as
> > > > suggested by Philipp Zabel.
> > > > * Added Rb tag from Laurent oatch#5.
> > > > * Updated MAINTAINERS entries for common parts(Makefile and
> Kconfig).
> > > > v7->v8:
> > > > * Moved rcar-du and shmobile DRM drivers to renesas specific
> > > > vendor directory.
> > > > * Fixed the typo vsp2->du in RZ/V2L DU bindings patch.
> > > > * Added Rb tag from Rob for RZ/V2L DU bindings patch.
> > > > * Dropped RCar du lib and created RZ/G2L DU DRM driver by
> > > > creating rz_du folder.
> > > > * Updated MAINTAINERS entries.
> > > > v6->v7:
> > > > * Split DU lib and RZ/G2L du driver as separate patch series as
> > > > DU support added to more platforms based on RZ/G2L alike SoCs.
> > > > * Rebased to latest drm-tip.
> > > > * Added patch #2 for binding support for RZ/V2L DU
> > > > * Added patch #4 for driver support for RZ/V2L DU
> > > > * Added patch #5 for SoC DTSI support for RZ/G2L DU
> > > > * Added patch #6 for SoC DTSI support for RZ/V2L DU
> > > > * Added patch #7 for Enabling DU on SMARC EVK based on
> > > > RZ/{G2L,V2L} SoCs.
> > > > * Added patch #8 for Enabling DU on SMARC EVK based on RZ/G2LC
> SoC.
> > > > v5->v6:
> > > > * Merged DU lib and RZ/G2L du driver in same patch series
> > > > * Rebased to latest drm-misc.
> > > > * Merged patch#1 to RZ/G2L Driver patch.
> > > > * Updated KConfig dependency from ARCH_RENESAS->ARCH_RZG2L.
> > > > * Optimized rzg2l_du_output_name() by removing unsupported
> outputs.
> > > >
> > > > v4->v5:
> > > > * Added Rb tag from Rob for binding patch.
> > > > * Started using RCar DU libs(kms, vsp and encoder)
> > > > * Started using rcar_du_device, rcar_du_write, rcar_du_crtc,
> > > > rcar_du_format_info and rcar_du_encoder.
> > > > v3->v4:
> > > > * Changed compatible name from
> > > > renesas,du-r9a07g044->renesas,r9a07g044-
> > > > du
> > > > * started using same compatible for RZ/G2{L,LC}
> > > > * Removed rzg2l_du_group.h and struct rzg2l_du_group
> > > > * Renamed __rzg2l_du_group_start_stop->rzg2l_du_start_stop
> > > > * Removed rzg2l_du_group_restart
> > > > * Updated rzg2l_du_crtc_set_display_timing
> > > > * Removed mode_valid callback.
> > > > * Updated rzg2l_du_crtc_create() parameters
> > > > * Updated compatible
> > > > * Removed RZG2L_DU_MAX_GROUPS
> > > > V2->v3:
> > > > * Added new bindings for RZ/G2L DU
> > > > * Removed indirection and created new DRM driver based on R-Car
> > > > DU
> > > > v1->v2:
> > > > * Based on [1], all references to 'rzg2l_lcdc' replaced with
> > > 'rzg2l_du'
> > > > * Updated commit description for bindings
> > > > * Removed LCDC references from bindings
> > > > * Changed clock name from du.0->aclk from bindings
> > > > * Changed reset name from du.0->du from bindings
> > > > * Replaced crtc_helper_funcs->rcar_crtc_helper_funcs
> > > > * Updated macro DRM_RZG2L_LCDC->DRM_RZG2L_DU
> > > > * Replaced rzg2l-lcdc-drm->rzg2l-du-drm
> > > > * Added forward declaration for struct reset_control
> > > >
> > > > [1]
> > > >
> > > > Biju Das (5):
> > > > drm: Place Renesas drivers in a separate dir
> > > > dt-bindings: display: Document Renesas RZ/G2L DU bindings
> > > > dt-bindings: display: renesas,rzg2l-du: Document RZ/V2L DU
> bindings
> > > > drm: Add RZ/G2L DU Support
> > > > MAINTAINERS: Add maintainer for RZ DU drivers
> > > >
> > > > .../bindings/display/renesas,rzg2l-du.yaml | 129 +++
> > > > MAINTAINERS | 16 +-
> > > > drivers/gpu/drm/Kconfig | 4 +-
> > > > drivers/gpu/drm/Makefile | 3 +-
> > > > drivers/gpu/drm/renesas/Kconfig | 5 +
> > > > drivers/gpu/drm/renesas/Makefile | 5 +
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/Kconfig | 0
> > > > .../gpu/drm/{ => renesas}/rcar-du/Makefile | 0
> > > > .../gpu/drm/{ => renesas}/rcar-du/rcar_cmm.c | 0
> > > > .../gpu/drm/{ => renesas}/rcar-du/rcar_cmm.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_crtc.c | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_crtc.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_drv.c | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_drv.h | 0
> > > > .../{ => renesas}/rcar-du/rcar_du_encoder.c | 0
> > > > .../{ => renesas}/rcar-du/rcar_du_encoder.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_group.c | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_group.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_kms.c | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_kms.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_plane.c | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_plane.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_regs.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_vsp.c | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_du_vsp.h | 0
> > > > .../{ => renesas}/rcar-du/rcar_du_writeback.c | 0
> > > > .../{ => renesas}/rcar-du/rcar_du_writeback.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_dw_hdmi.c | 0
> > > > .../gpu/drm/{ => renesas}/rcar-du/rcar_lvds.c | 0
> > > > .../gpu/drm/{ => renesas}/rcar-du/rcar_lvds.h | 0
> > > > .../{ => renesas}/rcar-du/rcar_lvds_regs.h | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_mipi_dsi.c | 0
> > > > .../drm/{ => renesas}/rcar-du/rcar_mipi_dsi.h | 0
> > > > .../rcar-du/rcar_mipi_dsi_regs.h | 0
> > > > .../{ => renesas}/rcar-du/rzg2l_mipi_dsi.c | 0
> > > > .../rcar-du/rzg2l_mipi_dsi_regs.h | 0
> > > > drivers/gpu/drm/renesas/rz-du/Kconfig | 20 +
> > > > drivers/gpu/drm/renesas/rz-du/Makefile | 8 +
> > > > drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c | 714
> > > > ++++++++++++++++ drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.h |
> > > > 99 +++ drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c | 188 +++++
> > > > drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.h | 89 ++
> > > > .../gpu/drm/renesas/rz-du/rzg2l_du_encoder.c | 112 +++
> > > > .../gpu/drm/renesas/rz-du/rzg2l_du_encoder.h | 28 +
> > > > drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c | 770
> > > > ++++++++++++++++++ drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.h |
> > > > 43 + drivers/gpu/drm/renesas/rz-du/rzg2l_du_regs.h | 67 ++
> > > > drivers/gpu/drm/renesas/rz-du/rzg2l_du_vsp.c | 430 ++++++++++
> > > > drivers/gpu/drm/renesas/rz-du/rzg2l_du_vsp.h | 94 +++
> > > > .../gpu/drm/{ => renesas}/shmobile/Kconfig | 0
> > > > .../gpu/drm/{ => renesas}/shmobile/Makefile | 0
> > > > .../shmobile/shmob_drm_backlight.c | 0
> > > > .../shmobile/shmob_drm_backlight.h | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_crtc.c | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_crtc.h | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_drv.c | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_drv.h | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_kms.c | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_kms.h | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_plane.c | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_plane.h | 0
> > > > .../{ => renesas}/shmobile/shmob_drm_regs.h | 0
> > > > 62 files changed, 2816 insertions(+), 8 deletions(-) create mode
> > > > 100644
> > > > Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> > > > create mode 100644 drivers/gpu/drm/renesas/Kconfig create mode
> > > > 100644 drivers/gpu/drm/renesas/Makefile rename drivers/gpu/drm/{
> > > > => renesas}/rcar-du/Kconfig (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/rcar-du/Makefile (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/rcar-du/rcar_cmm.c (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/rcar-du/rcar_cmm.h (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/rcar-du/rcar_du_crtc.c (100%) rename drivers/gpu/drm/{
> > > > => renesas}/rcar-du/rcar_du_crtc.h (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_drv.c (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_drv.h (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_encoder.c (100%)
> > > > rename drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_encoder.h
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/rcar-du/rcar_du_group.c (100%) rename drivers/gpu/drm/{
> > > > => renesas}/rcar-du/rcar_du_group.h (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_kms.c (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_kms.h (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_plane.c (100%)
> > > > rename drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_plane.h
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/rcar-du/rcar_du_regs.h (100%) rename drivers/gpu/drm/{
> > > > => renesas}/rcar-du/rcar_du_vsp.c (100%) rename drivers/gpu/drm/{
> > > > => renesas}/rcar-du/rcar_du_vsp.h (100%) rename drivers/gpu/drm/{
> > > > => renesas}/rcar-du/rcar_du_writeback.c (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/rcar_du_writeback.h (100%)
> > > > rename drivers/gpu/drm/{ => renesas}/rcar-du/rcar_dw_hdmi.c (100%)
> > > > rename drivers/gpu/drm/{ => renesas}/rcar-du/rcar_lvds.c (100%)
> > > > rename drivers/gpu/drm/{ => renesas}/rcar-du/rcar_lvds.h (100%)
> > > > rename drivers/gpu/drm/{ => renesas}/rcar-du/rcar_lvds_regs.h
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/rcar-du/rcar_mipi_dsi.c (100%) rename drivers/gpu/drm/{
> > > > => renesas}/rcar-du/rcar_mipi_dsi.h (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/rcar-du/rcar_mipi_dsi_regs.h (100%)
> > > > rename drivers/gpu/drm/{ => renesas}/rcar-du/rzg2l_mipi_dsi.c
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/rcar-du/rzg2l_mipi_dsi_regs.h
> > > > (100%) create mode 100644 drivers/gpu/drm/renesas/rz-du/Kconfig
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/Makefile
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.c
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_crtc.h
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.c
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_drv.h
> > > > create mode 100644
> > > > drivers/gpu/drm/renesas/rz-du/rzg2l_du_encoder.c
> > > > create mode 100644
> > > > drivers/gpu/drm/renesas/rz-du/rzg2l_du_encoder.h
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.c
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_kms.h
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_regs.h
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_vsp.c
> > > > create mode 100644 drivers/gpu/drm/renesas/rz-du/rzg2l_du_vsp.h
> > > > rename drivers/gpu/drm/{ => renesas}/shmobile/Kconfig (100%)
> > > > rename drivers/gpu/drm/{ => renesas}/shmobile/Makefile (100%)
> > > > rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_backlight.c (100%) rename
> > > > drivers/gpu/drm/{ => renesas}/shmobile/shmob_drm_backlight.h
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_crtc.c
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_crtc.h
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_drv.c
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_drv.h
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_kms.c
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_kms.h
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_plane.c
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_plane.h
> > > > (100%) rename drivers/gpu/drm/{ =>
> > > > renesas}/shmobile/shmob_drm_regs.h
> > > > (100%)
> > > >
>
> --
> Regards,
>
> Laurent Pinchart