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Message-Id: <20250122113144.1203705-1-alvin1.chen@lcfc.corp-partner.google.com> Date: Wed, 22 Jan 2025 19:31:44 +0800 From: Alvin1 Chen <alvin1.chen@...c.corp-partner.google.com> To: neil.armstrong@...aro.org Cc: quic_jesszhan@...cinc.com, linux-kernel@...r.kernel.org, Alvin1 Chen <alvin1.chen@...c.corp-partner.google.com> Subject: [PATCH] drm/panel: samsung-atna33xc20: extend msleep in atana33xc20_disable to avoid glitch samsung-atna40ct03 encouters glitch when powering off, extned msleep in atana33xc20_disable to 40 can avoid this symptom. Signed-off-by: Alvin1 Chen <alvin1.chen@...c.corp-partner.google.com> --- drivers/gpu/drm/panel/panel-samsung-atna33xc20.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c index 9a482a744b8c1..87a4e1c47aaaa 100644 --- a/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c +++ b/drivers/gpu/drm/panel/panel-samsung-atna33xc20.c @@ -154,10 +154,10 @@ static int atana33xc20_disable(struct drm_panel *panel) p->el3_was_on = true; /* - * Sleeping 20 ms here (after setting the GPIO) avoids a glitch when + * Sleeping 40 ms here (after setting the GPIO) avoids a glitch when * powering off. */ - msleep(20); + msleep(40); return 0; } -- 2.34.1
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