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[209.85.128.44]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-669331c7450sm2647281a12.6.2026.03.23.08.00.00 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Mar 2026 08:00:02 -0700 (PDT) Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-4852a9c6309so25391515e9.0 for ; Mon, 23 Mar 2026 08:00:00 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCX+vX6sfVIipx0xp2FFoZB2ftYmXQ7nDVWcioFRatqXoMWet8OwIUB85SqE0TqtxBOLTvVjA88c0rU=@lists.freedesktop.org X-Received: by 2002:a05:600c:1da1:b0:485:557d:9fe with SMTP id 5b1f17b1804b1-486fedc9c01mr174598265e9.12.1774277999781; Mon, 23 Mar 2026 07:59:59 -0700 (PDT) MIME-Version: 1.0 References: <20260323-panel-fix-v1-1-9f12b09161e8@oss.qualcomm.com> In-Reply-To: <20260323-panel-fix-v1-1-9f12b09161e8@oss.qualcomm.com> From: Doug Anderson Date: Mon, 23 Mar 2026 07:59:48 -0700 X-Gmail-Original-Message-ID: X-Gm-Features: AQROBzDHHKfMN9DEoWAjPEf75yc54RObeksOHRDurgU_-f_sa7ptq13LcEo7-Gs Message-ID: Subject: Re: [PATCH] drm/panel: sharp-ls043t1le01: make use of prepare_prev_first To: Dmitry Baryshkov Cc: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Dmitry Baryshkov , Abhinav Kumar , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi, On Sun, Mar 22, 2026 at 6:21=E2=80=AFPM Dmitry Baryshkov wrote: > > The DSI link must be powered up to let panel driver to talk to the panel > during prepare() callback execution. Set the prepare_prev_first flag to > guarantee this. > > Fixes: 9e15123eca79 ("drm/msm/dsi: Stop unconditionally powering up DSI h= osts at modeset") > Signed-off-by: Dmitry Baryshkov > --- > drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 1 + > 1 file changed, 1 insertion(+) Reviewed-by: Douglas Anderson