Hi, Angelo:
On Wed, 2024-02-07 at 15:53 +0100, AngeloGioacchino Del Regno wrote:
> 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: CK Hu <ck.hu@mediatek.com>
>
> Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
> 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 a330bb94c44a..52758cab0abf 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -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;