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GET /api/1.1/patches/2222402/?format=api
{ "id": 2222402, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2222402/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260411-waveshare-dsi-touch-v2-9-75cdbeac5156@oss.qualcomm.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260411-waveshare-dsi-touch-v2-9-75cdbeac5156@oss.qualcomm.com>", "date": "2026-04-11T12:10:29", "name": "[v2,09/21] 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/1.1/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-v2-9-75cdbeac5156@oss.qualcomm.com/mbox/", "series": [ { "id": 499552, "url": "http://patchwork.ozlabs.org/api/1.1/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/2222402/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222402/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-gpio+bounces-35039-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=f9lYC/yk;\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=BUTqfxiD;\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": "<20260411-waveshare-dsi-touch-v2-9-75cdbeac5156@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=2523;\n i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id;\n bh=sQ69JX4wAjTsBAqHELNV+ZWRZ1CzDcUvy3hc2w/OnYg=;\n b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBp2jpGx5D7SfiEpFn9bSt6u0trVc0NpzEB0RrJT\n OoQBzvFJPeJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCado6RgAKCRCLPIo+Aiko\n 1RmHB/9JWCf8L9NIXCDO3qTECUMOtyzDdZesJ/yUw7Y4S4JTmwel0/+y0gWsS24gXFUBxJ1eq67\n d1bs+I6WfvYcOC5PfV0Mvl27DEIGf7RPfzpfUP4nbsXSPQLXTUr/B5WXgCmqDVEHYGgZ0r0qtBU\n jYdnAGyw+parb8dlbrYd7/eN7pZLijj+GKsOnAuyP0VdQDG4MZ83y/GTr0NidCEaYHSRaPL+P51\n Jm9TjZbTonJvXXziFuhhE4xm8IPQ08vyPK93IpR7k/jVNXR4wGZLjnPrXOEhb0AMsveota8uObC\n 7AHuQYCutHkzCEqNPzFwHCoRcE/TAx7URRRgHTBYBGJouNll", "X-Developer-Key": "i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp;\n fpr=8F88381DD5C873E4AE487DA5199BF1243632046A", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDExMDEwMiBTYWx0ZWRfX+SVjFYnY3ZjU\n UsfhGH01XwGN8OSmwpW40ZR4XtYQ7eIvwTF3QKoQ223oMiyAUcGrnKV1uxVXCbdDWjTd8/6AhAW\n mSw4mn1NKTHC3zN34zihsYXuPA2/R/ZvkQRdqJYegG/RVMohNoaxoxAxAX7YJN8R9mKxs6087ia\n 5UEMMYZzI/vXiNakArgFzANQGjJLlz8NWEPOXSyVIqDUi2ftKHXKw7FCpY/bIuuoO8LeFXhuSsc\n 3i5cSYLIQ5ZqQKlmahfUosTMI6BQSpe/WvvcVfsJDikKpdzyGZI/dt/a1u+kiGV1+oePjerinJa\n aXz3LZj75JzicS/VfzXmf1KhzfItOVfsGvvXWCj/S+tHORUJhEQNEfu29rE8h+J1MEnpHY1ofQw\n gOqv00DoHrcZhnj7CQxWV+Smu8JS3zo0nfd/PkyzwtqbB7FOy09J2jnz3b4CbyUeIRYyKdrY0xw\n 3J65pOSecH9FKpZEI/A==", "X-Proofpoint-GUID": "GV0unP3XPonGUfoTBsZrgWvqwrK0J_hg", "X-Authority-Analysis": "v=2.4 cv=MqliLWae c=1 sm=1 tr=0 ts=69da3a5c 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=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8\n a=20KFwNOVAAAA:8 a=EUspDBNiAAAA:8 a=jj6w_h7ptVUN3La3dRgA:9 a=QEXdDO2ut3YA:10\n a=kacYvNCVWA4VmyqE58fU:22", "X-Proofpoint-ORIG-GUID": "GV0unP3XPonGUfoTBsZrgWvqwrK0J_hg", "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 clxscore=1015 adultscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0\n impostorscore=0 bulkscore=0 suspectscore=0 malwarescore=0 spamscore=0\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": "Simplify hx8394_enable() function by using hx8394_disable() instead of\nopen-coding it and mipi_dsi_msleep() instead of manual checks.\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 | 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": [ "v2", "09/21" ] }