Re: [PATCH v4 17/17] drm/mediatek: Add comments for the structures

[AngeloGioacchino Del Regno]

Il 12/12/23 13:19, Hsiao Chien Sung ha scritto:
> Add comments for the structures to improve readability.
>
> Signed-off-by: Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxx>
> ---
>   drivers/gpu/drm/mediatek/mtk_disp_ovl.c     | 21 +++++++++++++-
>   drivers/gpu/drm/mediatek/mtk_drm_crtc.c     | 22 ++++++++++++--
>   drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 32 +++++++++++++++++++++
>   drivers/gpu/drm/mediatek/mtk_drm_drv.h      | 15 ++++++++++
>   drivers/gpu/drm/mediatek/mtk_ethdr.c        | 11 +++++++
>   5 files changed, 97 insertions(+), 4 deletions(-)

..snip..

> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> index 38d08796fae4..af80c9e50d36 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
> @@ -46,6 +46,38 @@ enum mtk_ddp_comp_type {
>   
>   struct mtk_ddp_comp;
>   struct cmdq_pkt;
> +
> +/* struct mtk_ddp_comp_funcs - function pointers of the ddp components
> + * @clk_enable: enable the clocks of the component
> + * @clk_disable: disable the clocks of the component
> + * @config: configure the component
> + * @start: start (enable) the component
> + * @stop: stop (disable) the component
> + * @register_vblank_cb: to register a callback function when vblank irq occurs
> + * @unregister_vblank_cb: to unregister the callback function from the vblank irq
> + * @enable_vblank: enable vblank irq
> + * @disable_vblank: disable vblank irq
> + * @supported_rotations: return rotation capability of the component
> + * @layer_nr: how many layers the component supports
> + * @layer_check: to check if the state of the layer is valid for the component
> + * @layer_config: to configure the component according to the state of the layer
> + * @gamma_set: to set gamma for the component
> + * @bgclr_in_on: turn on background color
> + * @bgclr_in_off: turn off background color
> + * @ctm_set: set color transformation matrix
> + * @dma_dev_get: return the device that uses direct memory access
> + * @get_formats: get the format that is currently in use by the component
> + * @get_num_formats: get number of the formats that the component supports
> + * @connect: connect the sub modules of the component
> + * @disconnect: disconnect the sub modules of the component
> + * @add: add the device to the component (mount them in the mutex)
> + * @remove: remove the device from the component (unmount them from the mutex)
> + * @encoder_index: get the encoder index of the component
> + * @crc: return the start of crc array
> + * @crc_cnt: how many CRCs the component supports
> + * @crc_entry: get the pointer to the crc entry
> + * @crc_read: call this function to read crc from the hardware component
> + */
>   struct mtk_ddp_comp_funcs {
>   	int (*power_on)(struct device *dev);
>   	void (*power_off)(struct device *dev);

Please rebase over the latest upstream kernel, as it doesn't apply like this.

After which:
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>