[Intel-gfx] [PATCH v3 11/16] drm/mcde: Use mode->clock instead of reverse calculating it from the vrefresh

Ville Syrjala ville.syrjala at linux.intel.com
Tue Apr 28 17:19:35 UTC 2020


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

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

Cc: Linus Walleij <linus.walleij at linaro.org>
Cc: Sam Ravnborg <sam at ravnborg.org>
Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Reviewed-by: Sam Ravnborg <sam at ravnborg.org>
Reviewed-by: Linus Walleij <linus.walleij at linaro.org>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/mcde/mcde_dsi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/mcde/mcde_dsi.c b/drivers/gpu/drm/mcde/mcde_dsi.c
index 8b693b206921..81852853e893 100644
--- 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);
 
-- 
2.24.1



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