From 6b438292e6b86a5cb5bffee2e517f1335903e39e Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Tue, 9 Aug 2022 20:15:24 -0500 Subject: [PATCH 115/117] drm: panel: cwd686: Power up sequence Signed-off-by: Samuel Holland --- drivers/gpu/drm/panel/panel-clockwork-cwd686.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/panel/panel-clockwork-cwd686.c +++ b/drivers/gpu/drm/panel/panel-clockwork-cwd686.c @@ -218,12 +218,14 @@ static int cwd686_prepare(struct drm_pan dev_err(ctx->dev, "failed to enable iovcc (%d)\n", err); return err; } + msleep(20); err = regulator_enable(ctx->vci); if (err) { dev_err(ctx->dev, "failed to enable vci (%d)\n", err); return err; } + msleep(120); gpiod_set_value_cansleep(ctx->reset_gpio, 1); /* T2 */