Hi Laurent,
Thanks for the feedback.
> Subject: Re: [PATCH v2 2/7] drm: rcar-du: Add num_rpf to struct
> rcar_du_device_info
>
> Hi Biju,
>
> Thank you for the patch.
>
> On Wed, Mar 16, 2022 at 01:10:55PM +0000, Biju Das wrote:
> > Number of RPF's VSP is different on R-Car and RZ/G2L R-Car Gen3 -> 5
> > RPFs R-Car Gen2 -> 4 RPFs RZ/G2L -> 2 RPFs
> >
> > Add num_rpf to struct rcar_du_device_info to support later SoC without
> > any code changes.
> >
> > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > ---
> > v1->v2:
> > * No change
> > RFC->v1:
> > * Fixed the comment for num_rpf s/rpf's/RPFs/ and s/vsp/VSP/
> > RFC:
> > *
> > ---
> > drivers/gpu/drm/rcar-du/rcar_du_drv.c | 17 +++++++++++++++++
> > drivers/gpu/drm/rcar-du/rcar_du_drv.h | 2 ++
> > drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 6 +-----
> > 3 files changed, 20 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > index 957ea97541d5..1bc7325aa356 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> > @@ -55,6 +55,7 @@ static const struct rcar_du_device_info
> rzg1_du_r8a7743_info = {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 4,
> > };
> >
> > static const struct rcar_du_device_info rzg1_du_r8a7745_info = { @@
> > -77,6 +78,7 @@ static const struct rcar_du_device_info
> rzg1_du_r8a7745_info = {
> > .port = 1,
> > },
> > },
> > + .num_rpf = 4,
> > };
> >
> > static const struct rcar_du_device_info rzg1_du_r8a77470_info = { @@
> > -104,6 +106,7 @@ static const struct rcar_du_device_info
> rzg1_du_r8a77470_info = {
> > .port = 2,
> > },
> > },
> > + .num_rpf = 4,
> > };
> >
> > static const struct rcar_du_device_info rcar_du_r8a774a1_info = { @@
> > -133,6 +136,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a774a1_info = {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 5,
> > .dpll_mask = BIT(1),
> > };
> >
> > @@ -163,6 +167,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a774b1_info = {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 5,
> > .dpll_mask = BIT(1),
> > };
> >
> > @@ -190,6 +195,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a774c0_info = {
> > },
> > },
> > .num_lvds = 2,
> > + .num_rpf = 4,
> > .lvds_clk_mask = BIT(1) | BIT(0),
> > };
> >
> > @@ -220,6 +226,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a774e1_info = {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 5,
> > .dpll_mask = BIT(1),
> > };
> >
> > @@ -272,6 +279,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a7790_info = {
> > },
> > },
> > .num_lvds = 2,
> > + .num_rpf = 4,
> > };
> >
> > /* M2-W (r8a7791) and M2-N (r8a7793) are identical */ @@ -297,6
> > +305,7 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info =
> {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 4,
> > };
> >
> > static const struct rcar_du_device_info rcar_du_r8a7792_info = { @@
> > -317,6 +326,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a7792_info = {
> > .port = 1,
> > },
> > },
> > + .num_rpf = 4,
> > };
> >
> > static const struct rcar_du_device_info rcar_du_r8a7794_info = { @@
> > -340,6 +350,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a7794_info = {
> > .port = 1,
> > },
> > },
> > + .num_rpf = 4,
> > };
> >
> > static const struct rcar_du_device_info rcar_du_r8a7795_info = { @@
> > -373,6 +384,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a7795_info = {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 5,
> > .dpll_mask = BIT(2) | BIT(1),
> > };
> >
> > @@ -403,6 +415,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a7796_info = {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 5,
> > .dpll_mask = BIT(1),
> > };
> >
> > @@ -433,6 +446,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a77965_info = {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 5,
> > .dpll_mask = BIT(1),
> > };
> >
> > @@ -459,6 +473,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a77970_info = {
> > },
> > },
> > .num_lvds = 1,
> > + .num_rpf = 5,
> > };
> >
> > static const struct rcar_du_device_info rcar_du_r8a7799x_info = { @@
> > -486,6 +501,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a7799x_info = {
> > },
> > },
> > .num_lvds = 2,
> > + .num_rpf = 5,
> > .lvds_clk_mask = BIT(1) | BIT(0),
> > };
> >
> > @@ -505,6 +521,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a779a0_info = {
> > .port = 1,
> > },
> > },
> > + .num_rpf = 5,
> > .dsi_clk_mask = BIT(1) | BIT(0),
> > };
> >
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> > b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> > index 101f42df86ea..68c5de59d18d 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> > +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
> > @@ -69,6 +69,7 @@ struct rcar_du_output_routing {
> > * @channels_mask: bit mask of available DU channels
> > * @routes: array of CRTC to output routes, indexed by output
> (RCAR_DU_OUTPUT_*)
> > * @num_lvds: number of internal LVDS encoders
> > + * @num_rpf: max number of RPFs in VSP
>
> s/max //
OK, Will fix this.
Cheers,
Biju
>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
>
> > * @dpll_mask: bit mask of DU channels equipped with a DPLL
> > * @dsi_clk_mask: bitmask of channels that can use the DSI clock as dot
> clock
> > * @lvds_clk_mask: bitmask of channels that can use the LVDS clock as
> > dot clock @@ -80,6 +81,7 @@ struct rcar_du_device_info {
> > unsigned int channels_mask;
> > struct rcar_du_output_routing routes[RCAR_DU_OUTPUT_MAX];
> > unsigned int num_lvds;
> > + unsigned int num_rpf;
> > unsigned int dpll_mask;
> > unsigned int dsi_clk_mask;
> > unsigned int lvds_clk_mask;
> > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> > b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> > index b7fc5b069cbc..cf045a203aa5 100644
> > --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> > +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
> > @@ -415,11 +415,7 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct
> device_node *np,
> > if (ret < 0)
> > return ret;
> >
> > - /*
> > - * The VSP2D (Gen3) has 5 RPFs, but the VSP1D (Gen2) is limited to
> > - * 4 RPFs.
> > - */
> > - num_planes = rcdu->info->gen >= 3 ? 5 : 4;
> > + num_planes = rcdu->info->num_rpf;
> >
> > vsp->planes = kcalloc(num_planes, sizeof(*vsp->planes), GFP_KERNEL);
> > if (!vsp->planes)
>
> --
> Regards,
>
> Laurent Pinchart
