[PATCH v1] staging: fbtft: fb_st7789v: reset display before initialization
DORMANTno replies
LANDED
From: Oliver Graute <hidden>
Date: 2022-02-10 09:00:44
Also in:
dri-devel, linux-staging, lkml, stable
Subsystem:
fbtft framebuffer drivers, staging subsystem, the rest · Maintainers:
Andy Shevchenko, Greg Kroah-Hartman, Linus Torvalds
Landed in mainline as b6821b0d9b56 on 2022-02-15.
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) Cc: stable@vger.kernel.org Signed-off-by: Oliver Graute <redacted> --- drivers/staging/fbtft/fb_st7789v.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/staging/fbtft/fb_st7789v.c b/drivers/staging/fbtft/fb_st7789v.c
index 3a280cc1892c..0a2dbed9ffc7 100644
--- a/drivers/staging/fbtft/fb_st7789v.c
+++ b/drivers/staging/fbtft/fb_st7789v.c@@ -82,6 +82,8 @@ enum st7789v_command { { int rc; + par->fbtftops.reset(par); + rc = init_tearing_effect_line(par); if (rc) return rc;
--
2.17.1