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From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: chunkuang.hu@kernel.org
Cc: p.zabel@pengutronix.de,
	airlied@gmail.com,
	daniel@ffwll.ch,
	matthias.bgg@gmail.com,
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Subject: [PATCH v2 4/4] drm/mediatek: dsi: Replace open-coded instance of HZ_PER_MHZ
Date: Wed, 20 Dec 2023 14:57:22 +0100
Message-ID: <20231220135722.192080-5-angelogioacchino.delregno@collabora.com>
In-Reply-To: <20231220135722.192080-1-angelogioacchino.delregno@collabora.com>
References: <20231220135722.192080-1-angelogioacchino.delregno@collabora.com>
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In mtk_dsi_phy_timconfig(), we're dividing the `data_rate` variable,
expressed in Hz to retrieve a value in MHz: instead of open-coding,
use the HZ_PER_MHZ definition, available in linux/units.h.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 2ba6cd129150..b9a37407f3b4 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -12,6 +12,7 @@
 #include <linux/phy/phy.h>
 #include <linux/platform_device.h>
 #include <linux/reset.h>
+#include <linux/units.h>
 
 #include <video/mipi_display.h>
 #include <video/videomode.h>
@@ -237,7 +238,7 @@ static void mtk_dsi_mask(struct mtk_dsi *dsi, u32 offset, u32 mask, u32 data)
 static void mtk_dsi_phy_timconfig(struct mtk_dsi *dsi)
 {
 	u32 timcon0, timcon1, timcon2, timcon3;
-	u32 data_rate_mhz = DIV_ROUND_UP(dsi->data_rate, 1000000);
+	u32 data_rate_mhz = DIV_ROUND_UP(dsi->data_rate, HZ_PER_MHZ);
 	struct mtk_phy_timing *timing = &dsi->phy_timing;
 
 	timing->lpx = (60 * data_rate_mhz / (8 * 1000)) + 1;
-- 
2.43.0