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GET /api/1.2/patches/2222401/?format=api
{ "id": 2222401, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2222401/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260411-waveshare-dsi-touch-v2-8-75cdbeac5156@oss.qualcomm.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/1.2/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260411-waveshare-dsi-touch-v2-8-75cdbeac5156@oss.qualcomm.com>", "list_archive_url": null, "date": "2026-04-11T12:10:28", "name": "[v2,08/21] drm/panel: himax-hx8394: set prepare_prev_first", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1da4c771501dad61ad75279df1cf454e4badfbb6", "submitter": { "id": 90483, "url": "http://patchwork.ozlabs.org/api/1.2/people/90483/?format=api", "name": "Dmitry Baryshkov", "email": "dmitry.baryshkov@oss.qualcomm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260411-waveshare-dsi-touch-v2-8-75cdbeac5156@oss.qualcomm.com/mbox/", "series": [ { "id": 499552, "url": "http://patchwork.ozlabs.org/api/1.2/series/499552/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=499552", "date": "2026-04-11T12:10:21", "name": "drm/panel: support Waveshare DSI TOUCH kits", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499552/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222401/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222401/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-gpio+bounces-35038-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-gpio@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=lvEe87M6;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=EJpBNkv+;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260411-waveshare-dsi-touch-v2-8-75cdbeac5156@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 <neil.armstrong@linaro.org>,\n Jessica Zhang <jesszhan0024@gmail.com>,\n David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,\n Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,\n Maxime Ripard <mripard@kernel.org>,\n Thomas Zimmermann <tzimmermann@suse.de>,\n Rob Herring <robh@kernel.org>,\n Krzysztof Kozlowski <krzk+dt@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>,\n Cong Yang <yangcong5@huaqin.corp-partner.google.com>,\n Ondrej Jirman <megi@xff.cz>,\n Javier Martinez Canillas <javierm@redhat.com>,\n Jagan Teki <jagan@edgeble.ai>, Liam Girdwood <lgirdwood@gmail.com>,\n Mark Brown <broonie@kernel.org>, Linus Walleij <linusw@kernel.org>,\n Bartosz Golaszewski <brgl@kernel.org>", "Cc": "dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org", "X-Mailer": "b4 0.15.1", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1037;\n i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id;\n bh=DoendjqYMNCpaNDLx5nJc92Y8UtuCTST95sXT4ei12s=;\n b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBp2jpFW0vQ244JNcxKBxL5K1n8VoGz1ZRi3WrEQ\n 5MkXyOolKCJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCado6RQAKCRCLPIo+Aiko\n 1VKVB/4ix4mqEZIje288JrijjZjm+C+aALrGxc+Zgv/a4M8FE9MuOwcE/LLV2qNiMBQ2DBwcTM3\n Cv5q7Rbyi8yCqXWubKIsKGFzkrxWqqubVpIIRco4W2E7MrAOfqaBH8USgRdOSmYqJYx9gHqGANo\n FPZE8gnLR9Ytjnn12c0Rn4nsxOe3ksg4j3jwtBK4lpJSd9Ki+j7H8FqXQMzr6dVMP3ffuy/hOjB\n mlbQ9jyDfbJslkpyXU542botlevdq0Hxe73OcmwOgEYbdJLcj3wp9knZBh+l57zyfAcSwEPkdOU\n f7iBc+j3jB6DPyIMi0pEMOi7EQbPvpCRmoLJym+b4JBdYJN6", "X-Developer-Key": "i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp;\n fpr=8F88381DD5C873E4AE487DA5199BF1243632046A", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDExMDEwMiBTYWx0ZWRfXw/Yvu5x9RkuW\n BAS0aF5sA638K3P9fvYHZkcFDBfv4rcqkW3bcoIr3Xwf62+imufKA5xxQ4SJk5Ye72MSiG8L9vx\n kpYgdC1yFyveR2izDBSyfNuBNMiLt1AI6K9vy7FRQ0nEbIMo2F5djHHglkBRTOVXbibfX0HQmPr\n F//YJNb4Gpwc906ciJjD26lGfMasucRwCoHvTesSKv9OP727q0+jqsPcui7scTXqqHQUU8HYocY\n 4BBJhUtEDZuZpjzTZcsXYiJamsvDCBjE63jL881jIewWBSb/5hpykWLFBW4uTfjleLKor5wvdWV\n 5fjA69gHRqKybfmRQRoS121FN3JTiEvs/Bb9uoUpA5VafyZIRZIhSwP9SyevAgkZ7xhJ6jLz0LY\n nhZsaBP7E1MFlu9L3NEqS3o1V+EcBZFHGUY448+9M73GUbvzDfsUoEq4LqqpxqjAEvGqvxRxrtS\n mtep3O8dIyjjTqRlQxg==", "X-Proofpoint-ORIG-GUID": "LI0x-sO8pTU_Sw84Uy1QFkDDR5VeVhMg", "X-Proofpoint-GUID": "LI0x-sO8pTU_Sw84Uy1QFkDDR5VeVhMg", "X-Authority-Analysis": "v=2.4 cv=d/LFDxjE c=1 sm=1 tr=0 ts=69da3a5a cx=c_pps\n a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10\n a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=VwQbUJbxAAAA:8\n a=20KFwNOVAAAA:8 a=EUspDBNiAAAA:8 a=ic6V0yA_i5s2A4o5CdYA:9 a=QEXdDO2ut3YA:10\n a=dawVfQjAaf238kedN5IG:22", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-11_03,2026-04-09_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n spamscore=0 impostorscore=0 malwarescore=0 phishscore=0 priorityscore=1501\n bulkscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604110102" }, "content": "Sending DSI commands from the prepare() callback requires DSI link to be\nup at that point. For DSI hosts is guaranteed only if the panel driver\nsets the .prepare_prev_first flag. Set it to let these panels work with\nthe DSI hosts which don't power on the link in their .mode_set callback.\n\nReviewed-by: Linus Walleij <linusw@kernel.org>\nReviewed-by: Javier Martinez Canillas <javierm@redhat.com>\nSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>\n---\n drivers/gpu/drm/panel/panel-himax-hx8394.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c\nindex c4d3e09a228d..d64f3521eb15 100644\n--- a/drivers/gpu/drm/panel/panel-himax-hx8394.c\n+++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c\n@@ -792,6 +792,8 @@ static int hx8394_probe(struct mipi_dsi_device *dsi)\n \tif (ret)\n \t\treturn ret;\n \n+\tctx->panel.prepare_prev_first = true;\n+\n \tdrm_panel_add(&ctx->panel);\n \n \tret = mipi_dsi_attach(dsi);\n", "prefixes": [ "v2", "08/21" ] }