On Mon Feb 9 03:32:17 2026 +0200, Dmitry Baryshkov wrote:
> 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 <[email protected]>
> Signed-off-by: Dmitry Baryshkov <[email protected]>
> Signed-off-by: Bryan O'Donoghue <[email protected]>
Patch committed.
Thanks,
Bryan O'Donoghue
drivers/media/platform/qcom/iris/iris_platform_gen1.c | 2 +-
drivers/media/platform/qcom/iris/iris_probe.c | 7 +++++++
2 files changed, 8 insertions(+), 1 deletion(-)
---
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;
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