drm/mcde: Use mode->clock instead of reverse calculating it from the vrefresh

htotal*vtotal*vrefresh ~= clock. So just say "clock" when we mean it.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200428171940.19552-12-ville.syrjala@linux.intel.com

diff --git a/drivers/gpu/drm/mcde/mcde_dsi.c b/drivers/gpu/drm/mcde/mcde_dsi.c
index ed28eaa..981923c 100644 (file)
--- a/drivers/gpu/drm/mcde/mcde_dsi.c
+++ b/drivers/gpu/drm/mcde/mcde_dsi.c
@@ -537,8 +537,7 @@ static void mcde_dsi_setup_video_mode(struct mcde_dsi *d,
         * porches and sync.
         */
        /* (ps/s) / (pixels/s) = ps/pixels */
-       pclk = DIV_ROUND_UP_ULL(1000000000000,
-                               (drm_mode_vrefresh(mode) * mode->htotal * mode->vtotal));
+       pclk = DIV_ROUND_UP_ULL(1000000000000, mode->clock);
        dev_dbg(d->dev, "picoseconds between two pixels: %llu\n",
                pclk);