diff mbox series

[v8,16/23] drm/mediatek: Start/Stop components with function pointers

Message ID 20231016104010.3270-17-shawn.sung@mediatek.com
State New
Headers
Series Add display driver for MT8188 VDOSYS1 |

Commit Message

Shawn Sung (宋孝謙) Oct. 16, 2023, 10:40 a.m. UTC 
  By registering component related functions to the pointers,
we can easily manage them within a for-loop and simplify the
logic of component start/stop process.

Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
---
 .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c   | 20 +++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

Comments

AngeloGioacchino Del Regno Oct. 17, 2023, 9:41 a.m. UTC | #1 
Il 16/10/23 12:40, Hsiao Chien Sung ha scritto:
> By registering component related functions to the pointers,
> we can easily manage them within a for-loop and simplify the
> logic of component start/stop process.
> 
> Reviewed-by: CK Hu <ck.hu@mediatek.com>
> Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
index fffef2a4f919..354ba6186166 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c
@@ -71,6 +71,8 @@  static const char * const private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = {
 static const struct mtk_ddp_comp_funcs _ethdr = {
 	.clk_enable = mtk_ethdr_clk_enable,
 	.clk_disable = mtk_ethdr_clk_disable,
+	.start = mtk_ethdr_start,
+	.stop = mtk_ethdr_stop,
 };
 
 static const struct mtk_ddp_comp_funcs _merge = {
@@ -188,16 +190,30 @@  void mtk_ovl_adaptor_config(struct device *dev, unsigned int w,
 
 void mtk_ovl_adaptor_start(struct device *dev)
 {
+	int i;
 	struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
 
-	mtk_ethdr_start(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]);
+	for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) {
+		if (!ovl_adaptor->ovl_adaptor_comp[i] ||
+		    !comp_matches[i].funcs->start)
+			continue;
+
+		comp_matches[i].funcs->start(ovl_adaptor->ovl_adaptor_comp[i]);
+	}
 }
 
 void mtk_ovl_adaptor_stop(struct device *dev)
 {
+	int i;
 	struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev);
 
-	mtk_ethdr_stop(ovl_adaptor->ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]);
+	for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) {
+		if (!ovl_adaptor->ovl_adaptor_comp[i] ||
+		    !comp_matches[i].funcs->stop)
+			continue;
+
+		comp_matches[i].funcs->stop(ovl_adaptor->ovl_adaptor_comp[i]);
+	}
 }
 
 int mtk_ovl_adaptor_clk_enable(struct device *dev)