From a5b8687869247c70ae114415d440798b01d8b952 Mon Sep 17 00:00:00 2001 From: Vivek Gautam Date: Mon, 27 May 2019 15:56:16 +0530 Subject: drm/panel: truly: Add additional delay after pulling down reset gpio MTP SDM845 panel seems to need additional delay to bring panel to a workable state. Running modetest without this change displays blurry artifacts. Signed-off-by: Vivek Gautam Signed-off-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20190527102616.28315-1-vivek.gautam@codeaurora.org --- drivers/gpu/drm/panel/panel-truly-nt35597.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panel/panel-truly-nt35597.c b/drivers/gpu/drm/panel/panel-truly-nt35597.c index b68b1426e8cc..77e1311b7c69 100644 --- a/drivers/gpu/drm/panel/panel-truly-nt35597.c +++ b/drivers/gpu/drm/panel/panel-truly-nt35597.c @@ -284,6 +284,7 @@ static int truly_35597_power_on(struct truly_nt35597 *ctx) gpiod_set_value(ctx->reset_gpio, 1); usleep_range(10000, 20000); gpiod_set_value(ctx->reset_gpio, 0); + usleep_range(10000, 20000); return 0; } -- cgit v1.2.3