On 07/30/2024, Krzysztof Kozlowski wrote: > On 30/07/2024 11:42, Liu Ying wrote: >> On 07/30/2024, Krzysztof Kozlowski wrote: >>> On 30/07/2024 08:55, Liu Ying wrote: >>>> On 07/28/2024, Dmitry Baryshkov wrote: >>>>> On Fri, Jul 12, 2024 at 05:32:34PM GMT, Liu Ying wrote: >>>>>> i.MX8qxp Display Controller pixel engine consists of all processing >>>>>> units that operate in the AXI bus clock domain. Add drivers for >>>>>> ConstFrame, ExtDst, FetchLayer, FetchWarp and LayerBlend units, as >>>>>> well as a pixel engine driver, so that two displays with primary >>>>>> planes can be supported. The pixel engine driver as a master binds >>>>>> those unit drivers as components. While at it, the pixel engine >>>>>> driver is a component to be bound with the upcoming DRM driver. >>>>> >>>>> Same question / comment: create subnodes directly, without going >>>>> through the subdevices. A lot of small functions that would benefit >>>>> being inlined. >>>> >>>> Like I replied in patch 06/16, I can't create sub devices directly. >>>> >>>> Can you please point out typical ones for those small functions if >>>> the comment still stands? >>>> >>>>> >>>>>> +static int dc_cf_bind(struct device *dev, struct device *master, void *data) >>>>>> +{ >>>>>> + struct platform_device *pdev = to_platform_device(dev); >>>>>> + struct dc_drm_device *dc_drm = data; >>>>>> + struct dc_pe *pe = dc_drm->pe; >>>>>> + struct dc_cf_priv *priv; >>>>>> + int id; >>>>>> + >>>>>> + priv = drmm_kzalloc(&dc_drm->base, sizeof(*priv), GFP_KERNEL); >>>>>> + if (!priv) >>>>>> + return -ENOMEM; >>>>>> + >>>>>> + priv->reg_cfg = devm_platform_ioremap_resource_byname(pdev, "cfg"); >>>>>> + if (IS_ERR(priv->reg_cfg)) >>>>>> + return PTR_ERR(priv->reg_cfg); >>>>>> + >>>>>> + id = of_alias_get_id(dev->of_node, "dc0-constframe"); >>>>> >>>>> Is it documented? Acked? >>>> >>>> Like I replied in patch 06/16, I can add aliases nodes to examples, >>>> if needed. >>>> >>>> No Nak from DT maintainers I'd say, but I hope there will be direct >>>> Ack(s). >>>> >>> >>> It was not Acked, because there was no documentation added for it. >> >> I may add aliases nodes in examples in next version, if no objections. > > Example is just example. It is not a documentation. You must explain it > in the binding, e.g. description. Ok, I'll explain it in the dt-binding description in next version. -- Regards, Liu Ying