target/linux/d1/patches-6.1/0115-drm-panel-cwd686-Power-up-sequence.patch

   1 From 6b438292e6b86a5cb5bffee2e517f1335903e39e Mon Sep 17 00:00:00 2001
   2 From: Samuel Holland <samuel@sholland.org>
   3 Date: Tue, 9 Aug 2022 20:15:24 -0500
   4 Subject: [PATCH 115/117] drm: panel: cwd686: Power up sequence
   5
   6 Signed-off-by: Samuel Holland <samuel@sholland.org>
   7 ---
   8  drivers/gpu/drm/panel/panel-clockwork-cwd686.c | 2 ++
   9  1 file changed, 2 insertions(+)
  10
  11 --- a/drivers/gpu/drm/panel/panel-clockwork-cwd686.c
  12 +++ b/drivers/gpu/drm/panel/panel-clockwork-cwd686.c
  13 @@ -218,12 +218,14 @@ static int cwd686_prepare(struct drm_pan
  14                 dev_err(ctx->dev, "failed to enable iovcc (%d)\n", err);
  15                 return err;
  16         }
  17 +       msleep(20);
  18
  19         err = regulator_enable(ctx->vci);
  20         if (err) {
  21                 dev_err(ctx->dev, "failed to enable vci (%d)\n", err);
  22                 return err;
  23         }
  24 +       msleep(120);
  25
  26         gpiod_set_value_cansleep(ctx->reset_gpio, 1);
  27         /* T2 */