Hi Sakari, Thank you for the patch. On Tue, Apr 16, 2024 at 10:33:07PM +0300, Sakari Ailus wrote: > Compute scaling configuration from sub-device state instead of storing it > to the driver's device context struct. > > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > --- > drivers/media/i2c/ccs/ccs-core.c | 59 ++++++++++++++++++++++---------- > drivers/media/i2c/ccs/ccs.h | 3 -- > 2 files changed, 40 insertions(+), 22 deletions(-) > > diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c > index 08e719d611fb..541faa7d84a6 100644 > --- a/drivers/media/i2c/ccs/ccs-core.c > +++ b/drivers/media/i2c/ccs/ccs-core.c > @@ -531,19 +531,51 @@ ccs_get_binning(struct ccs_sensor *sensor, u8 *binning_mode, u8 *binh, u8 *binv) > *binv = sink_crop->height / sink_comp->height; > } > > +static void ccs_get_scaling(struct ccs_sensor *sensor, u8 *scaling_mode, > + u8 *scale_m) > +{ > + struct v4l2_subdev_state *state = > + v4l2_subdev_get_locked_active_state(&sensor->scaler->sd); > + const struct v4l2_rect *sink_crop = > + v4l2_subdev_state_get_crop(state, CCS_PAD_SINK, > + CCS_STREAM_PIXEL); > + const struct v4l2_rect *sink_comp = > + v4l2_subdev_state_get_compose(state, CCS_PAD_SINK, > + CCS_STREAM_PIXEL); > + > + *scale_m = sink_crop->width * CCS_LIM(sensor, SCALER_N_MIN) / > + sink_comp->width; > + > + if (!scaling_mode) > + return; > + > + if (sink_crop->width == sink_comp->width) > + *scaling_mode = CCS_SCALING_MODE_NO_SCALING; > + else if (sink_crop->height == sink_comp->height) > + *scaling_mode = CCS_SCALING_MODE_HORIZONTAL; > + else > + *scaling_mode = SMIAPP_SCALING_MODE_BOTH; > +} > + > static int ccs_pll_update(struct ccs_sensor *sensor) > { > struct ccs_pll *pll = &sensor->pll; > u8 binh, binv; > + u8 scale_m; > int rval; > > ccs_get_binning(sensor, NULL, &binh, &binv); > > + if (sensor->scaler) > + ccs_get_scaling(sensor, NULL, &scale_m); > + else > + scale_m = CCS_LIM(sensor, SCALER_N_MIN); > + > pll->binning_horizontal = binh; > pll->binning_vertical = binv; > pll->link_freq = > sensor->link_freq->qmenu_int[sensor->link_freq->val]; > - pll->scale_m = sensor->scale_m; > + pll->scale_m = scale_m; > pll->bits_per_pixel = sensor->csi_format->compressed; > > rval = ccs_pll_try(sensor, pll); > @@ -1186,7 +1218,7 @@ static int ccs_get_mbus_formats(struct ccs_sensor *sensor) > /* Figure out which BPP values can be used with which formats. */ > pll->binning_horizontal = 1; > pll->binning_vertical = 1; > - pll->scale_m = sensor->scale_m; > + pll->scale_m = CCS_LIM(sensor, SCALER_N_MIN); > > for (i = 0; i < ARRAY_SIZE(ccs_csi_data_formats); i++) { > sensor->compressed_min_bpp = > @@ -1935,11 +1967,15 @@ static int ccs_enable_streams(struct v4l2_subdev *subdev, > /* Scaling */ > if (CCS_LIM(sensor, SCALING_CAPABILITY) > != CCS_SCALING_CAPABILITY_NONE) { > - rval = ccs_write(sensor, SCALING_MODE, sensor->scaling_mode); > + u8 scaling_mode, scale_m; > + > + ccs_get_scaling(sensor, &scaling_mode, &scale_m); > + > + rval = ccs_write(sensor, SCALING_MODE, scaling_mode); > if (rval < 0) > goto err_pm_put; > > - rval = ccs_write(sensor, SCALE_M, sensor->scale_m); > + rval = ccs_write(sensor, SCALE_M, scale_m); > if (rval < 0) > goto err_pm_put; > } > @@ -2255,7 +2291,6 @@ static void ccs_propagate(struct v4l2_subdev *subdev, > struct v4l2_subdev_state *sd_state, int which, You can now drop the which parameter to this function \o/ With this, and the is_active variable removed from the caller, Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > int target) > { > - struct ccs_sensor *sensor = to_ccs_sensor(subdev); > struct ccs_subdev *ssd = to_ccs_subdev(subdev); > struct v4l2_rect *comp, *crop; > struct v4l2_mbus_framefmt *fmt; > @@ -2268,13 +2303,6 @@ static void ccs_propagate(struct v4l2_subdev *subdev, > CCS_STREAM_PIXEL); > comp->width = crop->width; > comp->height = crop->height; > - if (which == V4L2_SUBDEV_FORMAT_ACTIVE) { > - if (ssd == sensor->scaler) { > - sensor->scale_m = CCS_LIM(sensor, SCALER_N_MIN); > - sensor->scaling_mode = > - CCS_SCALING_MODE_NO_SCALING; > - } > - } > fallthrough; > case V4L2_SEL_TGT_COMPOSE: > crop = v4l2_subdev_state_get_crop(sd_state, CCS_PAD_SRC, > @@ -2653,11 +2681,6 @@ static void ccs_set_compose_scaler(struct v4l2_subdev *subdev, > * CCS_LIM(sensor, SCALER_N_MIN)) & ~1; > else > sel->r.height = sink_crop->height; > - > - if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE) { > - sensor->scale_m = scale_m; > - sensor->scaling_mode = mode; > - } > } > /* We're only called on source pads. This function sets scaling. */ > static int ccs_set_compose(struct v4l2_subdev *subdev, > @@ -3763,8 +3786,6 @@ static int ccs_probe(struct i2c_client *client) > sensor->pixel_array = &sensor->ssds[sensor->ssds_used]; > sensor->ssds_used++; > > - sensor->scale_m = CCS_LIM(sensor, SCALER_N_MIN); > - > /* prepare PLL configuration input values */ > sensor->pll.bus_type = CCS_PLL_BUS_TYPE_CSI2_DPHY; > sensor->pll.csi2.lanes = sensor->hwcfg.lanes; > diff --git a/drivers/media/i2c/ccs/ccs.h b/drivers/media/i2c/ccs/ccs.h > index aadbd4302607..1c30fa85bed6 100644 > --- a/drivers/media/i2c/ccs/ccs.h > +++ b/drivers/media/i2c/ccs/ccs.h > @@ -237,9 +237,6 @@ struct ccs_sensor { > u32 embedded_mbus_code; > u8 emb_data_ctrl; > > - u8 scale_m; > - u8 scaling_mode; > - > u8 frame_skip; > u16 embedded_start; /* embedded data start line */ > u16 embedded_end; -- Regards, Laurent Pinchart