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[5.7,124/393] drm/bridge: ti-sn65dsi86: Fix off-by-one error in clock choice

Message ID 20200817143825.623167276@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Aug. 17, 2020, 3:12 p.m. UTC 
From: Douglas Anderson <dianders@chromium.org>

[ Upstream commit fe3d7a35497c807d0dad0642afd87d6ba5b6fc86 ]

If the rate in our table is _equal_ to the rate we want then it's OK
to pick it.  It doesn't need to be greater than the one we want.

Fixes: a095f15c00e2 ("drm/bridge: add support for sn65dsi86 bridge driver")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200504213225.1.I21646c7c37ff63f52ae6cdccc9bc829fbc3d9424@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index d865cc2565bc0..8a0e34f2160af 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -475,7 +475,7 @@  static int ti_sn_bridge_calc_min_dp_rate_idx(struct ti_sn_bridge *pdata)
 				   1000 * pdata->dp_lanes * DP_CLK_FUDGE_DEN);
 
 	for (i = 1; i < ARRAY_SIZE(ti_sn_bridge_dp_rate_lut) - 1; i++)
-		if (ti_sn_bridge_dp_rate_lut[i] > dp_rate_mhz)
+		if (ti_sn_bridge_dp_rate_lut[i] >= dp_rate_mhz)
 			break;
 
 	return i;