FAILED: patch "[PATCH] staging: fbtft: fb_st7789v: reset display before" failed to apply to 4.14-stable tree
Subsystems (3)
[email protected]
maintainerThe patch below does not apply to the 4.14-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From b6821b0d9b56386d2bf14806f90ec401468c799f Mon Sep 17 00:00:00 2001
From: Oliver Graute <[email protected]>
Date: Thu, 10 Feb 2022 09:53:22 +0100
Subject: [PATCH] staging: fbtft: fb_st7789v: reset display before
initialization
In rare cases the display is flipped or mirrored. This was observed more often in a low temperature environment. A clean reset on init_display() should help to get registers in a sane state.
Fixes ef8f317795da (staging: fbtft: use init function instead of init sequence)
Signed-off-by Oliver Graute <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
drivers/staging/fbtft/fb_st7789v.c +2 -0
@@ -144,6 +144,8 @@ static int init_display(struct fbtft_par *par) {int rc; + par->fbtftops.reset (par); + rc =init_tearing_effect_line (par);if (rc)return rc;