From 8ae26decceedccd5fe263e90f9fcd73e3625ad3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 28 Apr 2020 20:19:35 +0300
Subject: drm/mcde: Use mode->clock instead of reverse calculating it from the
vrefresh
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Git-commit: 920dd1b1425bdf1c10b04e4f43269e402da9f626
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
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
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
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 ed28eaa42251..981923caa7e6 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);
--
2.29.2