From: Dmitry Baryshkov Date: Mon, 9 Feb 2026 01:32:17 +0000 (+0200) Subject: media: iris: scale MMCX power domain on SM8250 X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=4170e2f25ce40b69f3827fcdabf395380095e136;p=thirdparty%2Fkernel%2Flinux.git media: iris: scale MMCX power domain on SM8250 On SM8250 most of the video clocks are powered by the MMCX domain, while the PLL is powered on by the MX domain. Extend the driver to support scaling both power domains, while keeping compatibility with the existing DTs, which define only the MX domain. Fixes: 79865252acb6 ("media: iris: enable video driver probe of SM8250 SoC") Reviewed-by: Dikshita Agarwal Signed-off-by: Dmitry Baryshkov Signed-off-by: Bryan O'Donoghue --- diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen1.c b/drivers/media/platform/qcom/iris/iris_platform_gen1.c index df8e6bf9430e..aa71f7f53ee3 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_gen1.c +++ b/drivers/media/platform/qcom/iris/iris_platform_gen1.c @@ -281,7 +281,7 @@ static const struct bw_info sm8250_bw_table_dec[] = { static const char * const sm8250_pmdomain_table[] = { "venus", "vcodec0" }; -static const char * const sm8250_opp_pd_table[] = { "mx" }; +static const char * const sm8250_opp_pd_table[] = { "mx", "mmcx" }; static const struct platform_clk_data sm8250_clk_table[] = { {IRIS_AXI_CLK, "iface" }, diff --git a/drivers/media/platform/qcom/iris/iris_probe.c b/drivers/media/platform/qcom/iris/iris_probe.c index 492f85f518eb..511c8b56cf5d 100644 --- a/drivers/media/platform/qcom/iris/iris_probe.c +++ b/drivers/media/platform/qcom/iris/iris_probe.c @@ -65,6 +65,13 @@ static int iris_init_power_domains(struct iris_core *core) return ret; ret = devm_pm_domain_attach_list(core->dev, &iris_opp_pd_data, &core->opp_pmdomain_tbl); + /* backwards compatibility for incomplete ABI SM8250 */ + if (ret == -ENODEV && + of_device_is_compatible(core->dev->of_node, "qcom,sm8250-venus")) { + iris_opp_pd_data.num_pd_names--; + ret = devm_pm_domain_attach_list(core->dev, &iris_opp_pd_data, + &core->opp_pmdomain_tbl); + } if (ret < 0) return ret;