diff options
| -rw-r--r-- | drivers/gpu/drm/bridge/samsung-dsim.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index a0310f050693..3a5c7618e7aa 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -988,10 +988,12 @@ static void samsung_dsim_set_display_mode(struct samsung_dsim *dsi) u32 reg; if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) { - int byte_clk_khz = dsi->hs_clock / 1000 / 8; - 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); + u64 byte_clk = dsi->hs_clock / 8; + u64 pix_clk = m->clock * 1000; + + int hfp = DIV64_U64_ROUND_UP((m->hsync_start - m->hdisplay) * byte_clk, pix_clk); + int hbp = DIV64_U64_ROUND_UP((m->htotal - m->hsync_end) * byte_clk, pix_clk); + int hsa = DIV64_U64_ROUND_UP((m->hsync_end - m->hsync_start) * byte_clk, pix_clk); /* remove packet overhead when possible */ hfp = max(hfp - 6, 0); |