linux-kernel - [PATCH v13 02/14] drm/mediatek: dpi: Add kernel document for struct mtk_dpi

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Date:   Tue, 21 Jun 2022 19:37:20 +0800
From:   Bo-Chen Chen <rex-bc.chen@...iatek.com>
To:     <chunkuang.hu@...nel.org>, <p.zabel@...gutronix.de>,
        <daniel@...ll.ch>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <matthias.bgg@...il.com>,
        <airlied@...ux.ie>
CC:     <msp@...libre.com>, <granquet@...libre.com>,
        <jitao.shi@...iatek.com>, <wenst@...omium.org>,
        <angelogioacchino.delregno@...labora.com>, <ck.hu@...iatek.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Bo-Chen Chen <rex-bc.chen@...iatek.com>
Subject: [PATCH v13 02/14] drm/mediatek: dpi: Add kernel document for struct mtk_dpi_conf

This driver will support dp_intf and there are many configs between dpi
and dp_intf. Therefore, we will add many configs in "struct mtk_dpi_conf".
To let this structure more readable, we add this kernel doc.

Signed-off-by: Bo-Chen Chen <rex-bc.chen@...iatek.com>
---
 drivers/gpu/drm/mediatek/mtk_dpi.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index e61cd67b978f..f66a121ba0c9 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -118,6 +118,15 @@ struct mtk_dpi_yc_limit {
 	u16 c_bottom;
 };
 
+/**
+ * struct mtk_dpi_conf - Configuration of mediatek dpi.
+ * @cal_factor: Callback function to calculate factor value.
+ * @reg_h_fre_con: Register address of frequency control.
+ * @max_clock_khz: Max clock frequency supported for this SoCs in khz units.
+ * @edge_sel_en: Enable of edge selection.
+ * @output_fmts: Array of supported output formats.
+ * @num_output_fmts: Quantity of supported output formats.
+ */
 struct mtk_dpi_conf {
 	unsigned int (*cal_factor)(int clock);
 	u32 reg_h_fre_con;
-- 
2.18.0