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GET /api/patches/2218420/?format=api
{ "id": 2218420, "url": "http://patchwork.ozlabs.org/api/patches/2218420/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260401-waveshare-dsi-touch-v1-9-5e9119b5a014@oss.qualcomm.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/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": "<20260401-waveshare-dsi-touch-v1-9-5e9119b5a014@oss.qualcomm.com>", "list_archive_url": null, "date": "2026-04-01T07:26:28", "name": "[09/19] drm/panel: himax-hx8394: simplify hx8394_enable()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7dd7c7b56b1140b91511493584ce24b0f4f97bb4", "submitter": { "id": 90483, "url": "http://patchwork.ozlabs.org/api/people/90483/?format=api", "name": "Dmitry Baryshkov", "email": "dmitry.baryshkov@oss.qualcomm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260401-waveshare-dsi-touch-v1-9-5e9119b5a014@oss.qualcomm.com/mbox/", "series": [ { "id": 498284, "url": "http://patchwork.ozlabs.org/api/series/498284/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=498284", "date": "2026-04-01T07:26:23", "name": "drm/panel: support Waveshare DSI TOUCH kits", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498284/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218420/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2218420/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-gpio+bounces-34538-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=Z/dfkyvr;\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=ZMm1flYz;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260401-waveshare-dsi-touch-v1-9-5e9119b5a014@oss.qualcomm.com>", "References": "<20260401-waveshare-dsi-touch-v1-0-5e9119b5a014@oss.qualcomm.com>", "In-Reply-To": "<20260401-waveshare-dsi-touch-v1-0-5e9119b5a014@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=2415;\n i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id;\n bh=pOgZnrXub3GS8AZAw2xe2Lzvx6vQOVPendpRdgsMBpU=;\n b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBpzMisQHL6qbOb5oDSQPV+YXvWKyipTd8B0Ocuk\n 17HKBDfjRuJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCaczIrAAKCRCLPIo+Aiko\n 1VflCACGiFUAmeGHUxPcLUIE4mj8HiU/9RP/nPny3hspTKil+4vbxdnaL70iV5S02Kx4btVz9xj\n kSc2CXCuht6nRCvGonbIfT+msxpO3wWFuM7ddnlQKnBPDg4LEHIU7kCtiUIZwbQcHkFrz0x9A40\n cygjsanxfZAG/quPVwSweLsytvo2OTDuYIDzs//sFoLpLRg7Y8CI3I6Vyr2bAIPdprvp89Dm81A\n 3h5oW/QNEPEFX4VWUUb7grbKtPzylGFf1AnLCH1WxJ64478Qq1CEAgNFpbP/KsZVvX9dLlORYYA\n RHBfXXP6q4cAygUm/lX2Qp8AqF+zoTslKi+fpcePPvQRb9U9", "X-Developer-Key": "i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp;\n fpr=8F88381DD5C873E4AE487DA5199BF1243632046A", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDAxMDA2NCBTYWx0ZWRfX/PqSi1XkytHQ\n qEbCoZapOc6G6LhbfY6jivXjqXlWz9/xOt3Za6gUUPuSKDzFKlC3qNBO24gSdGK6+iaaHF6cuFy\n MqATwuoOFZASo2DB7AImQBkEdFZLyddW4Ifo/QMCtsw+GRUqA5ZuyWEz1vgCKerCisHOiE38rRS\n x5FNjohqH3wVLi4XDS/keoSUjULfiEt+F8JlqHpSH1vLLFrbs6YoPSbueVh4b89bh4PWltbiqef\n VLUCcY3B+4i+L2UhY1hXV56KefiFYZTf/rkXkAyw9yG9qBvWjKBzUV9X2l4lFc9bSmEhIywo618\n 46Gj5MX4G8ugNIjCo3tpnZk05HMyv+Q+uzsMm6DvgLi445lSjjiVKiL2NLgYQdX7gaZowGubXXg\n 6zLM7oog1hgId3klDFmFmstU+90L/ZPmBLpDMJodxcSSVQ02DtyupG0nq3aE9btv9w7zXArbTAG\n Z/HE8fXxKHDJC/3byzw==", "X-Proofpoint-GUID": "NdQdTd4GBxXK5xK4s2pb9DaHkh99TgME", "X-Authority-Analysis": "v=2.4 cv=YsQChoYX c=1 sm=1 tr=0 ts=69ccc8c4 cx=c_pps\n a=WeENfcodrlLV9YRTxbY/uA==: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=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8\n a=IHUbhB35yQ0xTmbSNgsA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22", "X-Proofpoint-ORIG-GUID": "NdQdTd4GBxXK5xK4s2pb9DaHkh99TgME", "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=2026-04-01_02,2026-04-01_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n suspectscore=0 spamscore=0 bulkscore=0 clxscore=1015 impostorscore=0\n phishscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501\n malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc=\n route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001\n definitions=main-2604010064" }, "content": "Simplify hx8394_enable() function by using hx8394_disable() instead of\nopen-coding it and mipi_dsi_msleep() instead of manual checks.\n\nSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>\n---\n drivers/gpu/drm/panel/panel-himax-hx8394.c | 41 ++++++++++--------------------\n 1 file changed, 14 insertions(+), 27 deletions(-)", "diff": "diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c\nindex d64f3521eb15..1f23c50b6661 100644\n--- a/drivers/gpu/drm/panel/panel-himax-hx8394.c\n+++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c\n@@ -618,47 +618,34 @@ static const struct hx8394_panel_desc hl055fhav028c_desc = {\n \t.init_sequence = hl055fhav028c_init_sequence,\n };\n \n-static int hx8394_enable(struct drm_panel *panel)\n+static int hx8394_disable(struct drm_panel *panel)\n {\n \tstruct hx8394 *ctx = panel_to_hx8394(panel);\n \tstruct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);\n \tstruct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };\n-\tint ret;\n-\n-\tctx->desc->init_sequence(&dsi_ctx);\n-\n-\tmipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);\n-\n-\tif (dsi_ctx.accum_err)\n-\t\treturn dsi_ctx.accum_err;\n-\t/* Panel is operational 120 msec after reset */\n-\tmsleep(120);\n-\n-\tmipi_dsi_dcs_set_display_on_multi(&dsi_ctx);\n-\tif (dsi_ctx.accum_err)\n-\t\tgoto sleep_in;\n-\n-\treturn 0;\n-\n-sleep_in:\n-\tret = dsi_ctx.accum_err;\n-\tdsi_ctx.accum_err = 0;\n \n-\t/* This will probably fail, but let's try orderly power off anyway. */\n \tmipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);\n-\tmipi_dsi_msleep(&dsi_ctx, 50);\n+\tmipi_dsi_msleep(&dsi_ctx, 50); /* about 3 frames */\n \n-\treturn ret;\n+\treturn dsi_ctx.accum_err;\n }\n \n-static int hx8394_disable(struct drm_panel *panel)\n+static int hx8394_enable(struct drm_panel *panel)\n {\n \tstruct hx8394 *ctx = panel_to_hx8394(panel);\n \tstruct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);\n \tstruct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };\n \n-\tmipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);\n-\tmipi_dsi_msleep(&dsi_ctx, 50); /* about 3 frames */\n+\tctx->desc->init_sequence(&dsi_ctx);\n+\n+\tmipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);\n+\n+\t/* Panel is operational 120 msec after reset */\n+\tmipi_dsi_msleep(&dsi_ctx, 120);\n+\n+\tmipi_dsi_dcs_set_display_on_multi(&dsi_ctx);\n+\tif (dsi_ctx.accum_err)\n+\t\thx8394_disable(panel);\n \n \treturn dsi_ctx.accum_err;\n }\n", "prefixes": [ "09/19" ] }