Commit ff4e4521 authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Chun-Kuang Hu
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drm/mediatek: dsi: Replace open-coded instance of HZ_PER_MHZ 



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.

Reviewed-by: default avatarAlexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: default avatarCK Hu <ck.hu@mediatek.com>
Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240215085316.56835-6-angelogioacchino.delregno@collabora.com/


Signed-off-by: default avatarChun-Kuang Hu <chunkuang.hu@kernel.org>
parent aaeb9335

drivers/gpu/drm/mediatek/mtk_dsi.c

+2 −1
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#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>
@@ -238,7 +239,7 @@ 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;