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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-38e495b4e73sm11906291fa.41.2026.04.11.05.11.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Apr 2026 05:11:14 -0700 (PDT) From: Dmitry Baryshkov Date: Sat, 11 Apr 2026 15:10:33 +0300 Subject: [PATCH v2 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: <20260411-waveshare-dsi-touch-v2-13-75cdbeac5156@oss.qualcomm.com> References: <20260411-waveshare-dsi-touch-v2-0-75cdbeac5156@oss.qualcomm.com> In-Reply-To: <20260411-waveshare-dsi-touch-v2-0-75cdbeac5156@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 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=ItKhX2Lojt9KIazo72U3GJYoHblfjFW2x10W7iSKuEo=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBp2jpGwlOUdLdYTrG2qMsikq5j9EIHjvVUbb/Zc qntYLYJwhSJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCado6RgAKCRCLPIo+Aiko 1fm2B/kBk92iEqPsVJKR2/4lISThQL19zM68HkY3kSGFyWIo5pCnoRR2gmnIWYWgNjpV6lysCFI 3gsLs2S2qhux43Cn2EoLEJp05js6ZYHqmGWXqnzpW04Y7GKfFhy8UHLsV4LTwxqdCCvxCjywl5S ha8NsuuYsDO3oDDIhXiQnKzEGPeTi1qThFHMG+9Bkzp21X0SaFvwkOwpIAWa0d3RMdZFTMUqm5k cV4a7v7eV74HJpLF/tSQGvKwl89sSemOm3tvkMP0in1PalkmpFC29Xarx8mNq9JUK72YuFGEsvQ PCWfmPdMRKH7dShTRjzuE3I4GN7mjMh9hRsHsStPodxzWa1k X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Authority-Analysis: v=2.4 cv=bcFbluPB c=1 sm=1 tr=0 ts=69da3a65 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=ic6V0yA_i5s2A4o5CdYA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDExMDEwMiBTYWx0ZWRfX3pC5o6WC//Hz dlIsh9gxTsuqrvRV4v/VMF+r0woNeHPRnQ6mHwcONl56vTtv35YE2IYr/0Tzkliaji4s/sgGeLN s1xfnUMIqsulovrpZblcTHo0OtaG/ldF4v+YwPzs861qxfCa092Ez3bGMLwEZe5XWF+zf21aIJ9 sKR7RBgOsWHZd8vFa839PD/q/XrEJWTI3pD5oowrXayUvJH7+7t1aDBynhP3UkO/snZOYnPRz+i apPYszsHSSgSkRLp4i1VN7rrdna4jYwgOqwL42T9XLHermZ2E7xDNZsl9N8W5YUtiYmS0V4Uizu lAGq+PkJVs6PZgEPgemH2Y1ywUdz+HCJTofMarKvXg6hBhS11P9v47yzDhofBMRcw4uLAH587tz FcseIIcW8VD7SfzwV9gPlKJ0LgZNkkNJsCJbHmvcpqvHupKWGy1aSHxjhMij4UpXrThDoh+aC4L VV75spQ5FpYqipP3UAA== X-Proofpoint-ORIG-GUID: yTDRjhQYl5MWRrSaUsRdgg7HDCPHbPSv X-Proofpoint-GUID: yTDRjhQYl5MWRrSaUsRdgg7HDCPHbPSv 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=2026-04-11_03,2026-04-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 malwarescore=0 suspectscore=0 adultscore=0 bulkscore=0 phishscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604110102 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 5d9db2e1f28f..11b7e07c1af8 100644 --- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c +++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c @@ -1652,6 +1652,8 @@ 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