Hi Laurent On Thu, Jul 04, 2024 at 01:25:32AM GMT, Laurent Pinchart wrote: > From: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx> > > Add feature flags for the dedicated black level subtraction hardware > block and for the compand hardware block. The companding feature flag is > added on its own (as opposed to "the absence of BLS") because we will > need it later for when we add support for the companding block. > > Skip BLS configuration when the BLS feature flag is unset, as devices > without the dedicated BLS block cannot configure a hardware block that > doesn't exist. > > Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx> > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > --- > drivers/media/platform/rockchip/rkisp1/rkisp1-common.h | 4 ++++ > drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 9 ++++++--- > drivers/media/platform/rockchip/rkisp1/rkisp1-params.c | 7 +++++++ > 3 files changed, 17 insertions(+), 3 deletions(-) > > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > index cdf2d30e2bb1..607e1a024d02 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > @@ -116,6 +116,8 @@ enum rkisp1_isp_pad { > * @RKISP1_FEATURE_SELF_PATH: The ISP has a self path > * @RKISP1_FEATURE_DUAL_CROP: The ISP has the dual crop block at the resizer input > * @RKISP1_FEATURE_DMA_34BIT: The ISP uses 34-bit DMA addresses > + * @RKISP1_FEATURE_BLS: The ISP has a dedicated BLS block > + * @RKISP1_FEATURE_COMPAND: The ISP has a companding block > * > * The ISP features are stored in a bitmask in &rkisp1_info.features and allow > * the driver to implement support for features present in some ISP versions > @@ -127,6 +129,8 @@ enum rkisp1_feature { > RKISP1_FEATURE_SELF_PATH = BIT(2), > RKISP1_FEATURE_DUAL_CROP = BIT(3), > RKISP1_FEATURE_DMA_34BIT = BIT(4), > + RKISP1_FEATURE_BLS = BIT(5), > + RKISP1_FEATURE_COMPAND = BIT(6), > }; > > #define rkisp1_has_feature(rkisp1, feature) \ > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c > index 0535ce57e862..dd114ab77800 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c > @@ -509,7 +509,8 @@ static const struct rkisp1_info px30_isp_info = { > .isp_ver = RKISP1_V12, > .features = RKISP1_FEATURE_MIPI_CSI2 > | RKISP1_FEATURE_SELF_PATH > - | RKISP1_FEATURE_DUAL_CROP, > + | RKISP1_FEATURE_DUAL_CROP > + | RKISP1_FEATURE_BLS, Doesn't apply for me on top of [media-stage/master + my ext params series] In particular, in media-stage I don't see > .max_width = 3264, > .max_height = 2448, these > }; > @@ -532,7 +533,8 @@ static const struct rkisp1_info rk3399_isp_info = { > .isp_ver = RKISP1_V10, > .features = RKISP1_FEATURE_MIPI_CSI2 > | RKISP1_FEATURE_SELF_PATH > - | RKISP1_FEATURE_DUAL_CROP, > + | RKISP1_FEATURE_DUAL_CROP > + | RKISP1_FEATURE_BLS, > .max_width = 4416, > .max_height = 3312, > }; > @@ -554,7 +556,8 @@ static const struct rkisp1_info imx8mp_isp_info = { > .isr_size = ARRAY_SIZE(imx8mp_isp_isrs), > .isp_ver = RKISP1_V_IMX8MP, > .features = RKISP1_FEATURE_MAIN_STRIDE > - | RKISP1_FEATURE_DMA_34BIT, > + | RKISP1_FEATURE_DMA_34BIT > + | RKISP1_FEATURE_COMPAND, > .max_width = 4096, > .max_height = 3072, > }; > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c > index 92312b4dabf6..bac9d4972493 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c > @@ -1268,6 +1268,12 @@ rkisp1_isp_isr_other_config(struct rkisp1_params *params, > module_cfg_update = new_params->module_cfg_update; > module_ens = new_params->module_ens; > > + if (!rkisp1_has_feature(params->rkisp1, BLS)) { > + module_en_update &= ~RKISP1_CIF_ISP_MODULE_BLS; > + module_cfg_update &= ~RKISP1_CIF_ISP_MODULE_BLS; > + module_ens &= ~RKISP1_CIF_ISP_MODULE_BLS; > + } > + or is it easier to read if you if (rkisp1_has_feature(params->rkisp1, BLS)) { /* update bls config */ if (module_cfg_update & RKISP1_CIF_ISP_MODULE_BLS) rkisp1_bls_config(params, &new_params->others.bls_config); if (module_en_update & RKISP1_CIF_ISP_MODULE_BLS) { if (module_ens & RKISP1_CIF_ISP_MODULE_BLS) rkisp1_param_set_bits(params, RKISP1_CIF_ISP_BLS_CTRL, RKISP1_CIF_ISP_BLS_ENA); else rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_BLS_CTRL, RKISP1_CIF_ISP_BLS_ENA); } } below ? > /* update dpc config */ > if (module_cfg_update & RKISP1_CIF_ISP_MODULE_DPCC) > rkisp1_dpcc_config(params, > @@ -1851,6 +1857,7 @@ static const struct rkisp1_ext_params_handler { > .size = sizeof(struct rkisp1_ext_params_bls_config), > .handler = rkisp1_ext_params_bls, > .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + .features = RKISP1_FEATURE_BLS, > }, > [RKISP1_EXT_PARAMS_BLOCK_TYPE_DPCC] = { > .size = sizeof(struct rkisp1_ext_params_dpcc_config), > -- > Regards, > > Laurent Pinchart >