[PATCH 4/5] drm/bridge: samsung-dsim: adjust porches by rounding up

[Michael Tretter]

The porches must be rounded up to make the samsung-dsim work.

Signed-off-by: Michael Tretter <m.tretter at pengutronix.de>
---
 drivers/gpu/drm/bridge/samsung-dsim.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 4de6e4f116db..459be953be55 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -974,9 +974,9 @@ static void samsung_dsim_set_display_mode(struct samsung_dsim *dsi)
 
 	if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) {
 		int byte_clk_khz = dsi->hs_clock / 1000 / 8;
-		int hfp = (m->hsync_start - m->hdisplay) * byte_clk_khz / m->clock;
-		int hbp = (m->htotal - m->hsync_end) * byte_clk_khz / m->clock;
-		int hsa = (m->hsync_end - m->hsync_start) * byte_clk_khz / m->clock;
+		int hfp = DIV_ROUND_UP((m->hsync_start - m->hdisplay) * byte_clk_khz, m->clock);
+		int hbp = DIV_ROUND_UP((m->htotal - m->hsync_end) * byte_clk_khz, m->clock);
+		int hsa = DIV_ROUND_UP((m->hsync_end - m->hsync_start) * byte_clk_khz, m->clock);
 
 		/* remove packet overhead when possible */
 		hfp = max(hfp - 6, 0);

-- 
2.39.2