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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a3eee8c91csm2687521e87.19.2026.04.13.07.06.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Apr 2026 07:06:00 -0700 (PDT) From: Dmitry Baryshkov Date: Mon, 13 Apr 2026 17:05:36 +0300 Subject: [PATCH v3 13/21] drm/panel: jadard-jd9365da-h3: set prepare_prev_first MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260413-waveshare-dsi-touch-v3-13-3aeb53022c32@oss.qualcomm.com> References: <20260413-waveshare-dsi-touch-v3-0-3aeb53022c32@oss.qualcomm.com> In-Reply-To: <20260413-waveshare-dsi-touch-v3-0-3aeb53022c32@oss.qualcomm.com> To: Neil Armstrong , Jessica Zhang , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Cong Yang , Ondrej Jirman , Javier Martinez Canillas , Jagan Teki , Liam Girdwood , Mark Brown , Linus Walleij , Bartosz Golaszewski , Jie Gan Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Riccardo Mereu X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1074; i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id; bh=2OhwTmez/fN6vzgtCuASLky1gWVkSsam5T/8/+hvPxI=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBp3PgoIvRLeRiGDxBhVYJ75H7QTnl71YAKsM74I b+hcuYNB7SJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCadz4KAAKCRCLPIo+Aiko 1efWB/9yk/B1B2SCIZWMOvjs+HwMFFvQySMKbTEjbph8t99biLPGBfyJMwgu7HO49P/RTZDPczo 4VamEYzP5ghhE2SKdUfG6LF4Zp3D2XmXbRglGcXbwIcto9hEfFOs/8k1r3/FC+ffkzfqKayWM7g gC5LupcqGmFL7qRKrzIlY/01Vs7wnCr8l6elkJ8EfR0ZWeayU+GLuPfug7SryhOe3VxQEnRe/Sx RMwe66hvk4Qb6gdBTdxDqYfxZNTNSIDoF6MnoDEJUX+lsdAXDS6wm0p5534yDy9hpa3QZElQwxj 4P7oby/TZvXhzV49R/arrIMkaFdmpVmdIdz7wDMiwZw/MWcC X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDEzMDEzOCBTYWx0ZWRfXxWaySqR0ThuZ EqbLZ3YdXLY9umdS0n/0bm9f12ZaT0TFd6AmbQz5nx17DrE993JoAAoBDMYGuSSDuEYQ2/z86Ne /DFwZGC81XASNxXn6oIKHZnCzBVr81Cvqi1IDgRvrkzuj9yC5JwaE+NGtLcOCQ/yIn13U7uxrM9 vhuTjVeUMjwzHQ8uRg95QSGVPeq/l/9xVMxpdKhd4n98mNFbctGGdYHFwobutPaG17p3dSlX2j9 W5BIMGrD3rPBdi7Nw0X0i7o/rqBXmt4FTUSNbseRwfY4ih9l6RBmnUzkPgW/w4qryz2N9+Bzq1x tj4R4uCJmkNb8cg5eExXp+uAnnyiEn92U4OFBqVrP1LpclNXq1goUDDT84VJ+wOffHUme7R6Q0S 8FeE8NcTwzSee7D8TG/VHRYMe5b9wparzFpRLQcG/akixpLNv05DjLcLtzIfF1Q50OAkU0AJe2g eIx4WGnCWznGOHuJ97Q== X-Proofpoint-GUID: 3dsO6YwQw0Gy1x3MWxh8VyYYSxl2cr3e X-Authority-Analysis: v=2.4 cv=D7x37PRj c=1 sm=1 tr=0 ts=69dcf84c cx=c_pps a=4ztaESFFfuz8Af0l9swBwA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=ic6V0yA_i5s2A4o5CdYA:9 a=QEXdDO2ut3YA:10 a=TPnrazJqx2CeVZ-ItzZ-:22 X-Proofpoint-ORIG-GUID: 3dsO6YwQw0Gy1x3MWxh8VyYYSxl2cr3e X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-13_03,2026-04-13_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 bulkscore=0 spamscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604130138 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" Sending DSI commands from the prepare() callback requires DSI link to be up at that point. For DSI hosts is guaranteed only if the panel driver sets the .prepare_prev_first flag. Set it to let these panels work with the DSI hosts which don't power on the link in their .mode_set callback. Reviewed-by: Linus Walleij Tested-by: Riccardo Mereu Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c index 796cc2368477..bc079b97cfb3 100644 --- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c +++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c @@ -1666,6 +1666,8 @@ static int jadard_dsi_probe(struct mipi_dsi_device *dsi) if (ret) return ret; + jadard->panel.prepare_prev_first = true; + drm_panel_add(&jadard->panel); mipi_dsi_set_drvdata(dsi, jadard); -- 2.47.3