[PATCH v2 09/13] drm/bridge: samsung-dsim: increase timeout value for PLL_STABLE
Kaustabh Chakraborty
kauschluss at disroot.org
Thu Jun 26 19:38:58 UTC 2025
Exynos7870's DSIM requires more time to stabilize its PLL. The current
timeout value, 1000, doesn't suffice. Increase the value to 3000, which
is just about enough as observed experimentally.
Signed-off-by: Kaustabh Chakraborty <kauschluss at disroot.org>
---
drivers/gpu/drm/bridge/samsung-dsim.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 739e1d1e6d239d06896daa131b692309cfeda843..5b96a5a1c78d212aca4e4fb057952927eb90f0d4 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -752,7 +752,7 @@ static unsigned long samsung_dsim_set_pll(struct samsung_dsim *dsi,
samsung_dsim_write(dsi, DSIM_PLLCTRL_REG, reg);
- timeout = 1000;
+ timeout = 3000;
do {
if (timeout-- == 0) {
dev_err(dsi->dev, "PLL failed to stabilize\n");
--
2.49.0
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