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(211-21-152-94.hinet-ip.hinet.net. [211.21.152.94]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2f7e6b71ccesm1495703a91.39.2025.01.22.03.31.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jan 2025 03:31:49 -0800 (PST) From: Alvin1 Chen To: neil.armstrong@linaro.org Cc: quic_jesszhan@quicinc.com, linux-kernel@vger.kernel.org, Alvin1 Chen Subject: [PATCH] drm/panel: samsung-atna33xc20: extend msleep in atana33xc20_disable to avoid glitch Date: Wed, 22 Jan 2025 19:31:44 +0800 Message-Id: <20250122113144.1203705-1-alvin1.chen@lcfc.corp-partner.google.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" samsung-atna40ct03 encouters glitch when powering off, extned msleep in atana33xc20_disable to 40 can avoid this symptom. Signed-off-by: Alvin1 Chen --- 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 *pane= l) p->el3_was_on =3D true; =20 /* - * 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); =20 return 0; } --=20 2.34.1