From patchwork Thu Dec 14 15:27:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pin-yen Lin X-Patchwork-Id: 178781 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:3b04:b0:fb:cd0c:d3e with SMTP id c4csp8627891dys; Thu, 14 Dec 2023 07:28:32 -0800 (PST) X-Google-Smtp-Source: AGHT+IEnOBp45pPfJcSaeqv/f1PSwky1vBhcB+zHdcJRKwIvXRZnFfuh7uLA3mxoHZJNkX77VY5X X-Received: by 2002:a05:6a00:a13:b0:6cd:f3f4:56c9 with SMTP id p19-20020a056a000a1300b006cdf3f456c9mr12191742pfh.17.1702567712013; Thu, 14 Dec 2023 07:28:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1702567711; cv=none; d=google.com; s=arc-20160816; b=rIAiE8KcEUZALGJLQ2ROYG47vTyx6aSk9SflxYelOo1bZdFOqdOwPKR0tTzO5qUaai nPhUdwYWSqxF2RNHDH2RFSeLfG+NnoDCpELKJKS8YiUsW+cgkHihbwZbo12TKEh9EfeE u/5kAvED2zLMbz809ke1Insf9MJBnMTQjXvxRBSJTTl14LzXzUoi3R94TGmBDXKCcbyQ /q98axGaNE5fxN996Qjyu/DqtpkpG/CknWxzNeT7HN/q41e9pK4eOuvszBG1GOwD3oJI ku7KqLHV3C8QDaW4viZO26H04of1iDxb2TCK0rvfR80EFKdTUoC2uhstdZJuBqAXG+o2 99gA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=HwxChGA7kEkaVI+0NazbW4JwE+2WuKPP+E6QFXGK0uY=; fh=A2qr+O5JFmgGBWkNDibxYSp2NBdwAbJSUyS8hVWQFKI=; b=IqaGytUw5KPzpJ9yXMuYFLktmlkZYY/wd9+aMoaoRgHjVp1ljUf3IjKVcJ4AwlKkRL SJwzZBu3+hMuHUuKQ+8WzLmDNolxZh9+8efYTO2EdsJBrfQeGgg1LgCnN8vl+xuQnDzj Qb7KwRe3AZMweQQB20w0Ao1NR4YENhJ9wWvgn1kksRpW9nfHX//rUZJA+yjSC9U3O5vT qogO5IwjnGWdOvKMcEyhgx+miPNiQ3k5HDyHy1bpEFIcEtot868x1puB4QfW7vh5n+BK qLZnvu+nQ5oaA4V0p02X/FeGuLVhShGY+RESUh2oayz7+3EI07CN7k7E/mp/A3e/c/jy auZQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=INP+Ib9S; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: from snail.vger.email (snail.vger.email. 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This delay is seen in BOE panels as the minimum delay of T3+T4+T5+T6+T8 in the eDP timing diagrams. Signed-off-by: Pin-yen Lin Reviewed-by: Douglas Anderson --- Changes in v3: - Collect review tag. drivers/gpu/drm/panel/panel-edp.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c index a0b6f69b916f..44acf9cacaf7 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -70,6 +70,21 @@ struct panel_delay { */ unsigned int hpd_absent; + /** + * @powered_on_to_enable: Time between panel powered on and enable. + * + * The minimum time, in milliseconds, that needs to have passed + * between when panel powered on and enable may begin. + * + * This is (T3+T4+T5+T6+T8)-min on eDP timing diagrams or after the + * power supply enabled until we can turn the backlight on and see + * valid data. + * + * This doesn't normally need to be set if timings are already met by + * prepare_to_enable or enable. + */ + unsigned int powered_on_to_enable; + /** * @prepare_to_enable: Time between prepare and enable. * @@ -216,6 +231,7 @@ struct panel_edp { bool prepared; ktime_t prepared_time; + ktime_t powered_on_time; ktime_t unprepared_time; const struct panel_desc *desc; @@ -455,6 +471,8 @@ static int panel_edp_prepare_once(struct panel_edp *p) gpiod_set_value_cansleep(p->enable_gpio, 1); + p->powered_on_time = ktime_get_boottime(); + delay = p->desc->delay.hpd_reliable; if (p->no_hpd) delay = max(delay, p->desc->delay.hpd_absent); @@ -579,6 +597,8 @@ static int panel_edp_enable(struct drm_panel *panel) panel_edp_wait(p->prepared_time, p->desc->delay.prepare_to_enable); + panel_edp_wait(p->powered_on_time, p->desc->delay.powered_on_to_enable); + p->enabled = true; return 0; From patchwork Thu Dec 14 15:27:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pin-yen Lin X-Patchwork-Id: 178782 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:3b04:b0:fb:cd0c:d3e with SMTP id c4csp8627982dys; Thu, 14 Dec 2023 07:28:39 -0800 (PST) X-Google-Smtp-Source: AGHT+IEnhOr7XtN49vq1UTaNcQ/KY0Or82l09krYWUOqgnUUWsUHBpXL0IzDV8qmGnbmecgX7iJb X-Received: by 2002:a05:6a20:3942:b0:187:3643:ecce with SMTP id r2-20020a056a20394200b001873643eccemr12995035pzg.56.1702567719536; Thu, 14 Dec 2023 07:28:39 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1702567719; cv=none; d=google.com; s=arc-20160816; b=YW0Z+tRkxLfeMdiCSfDBSxUY+XwSxjEt7R1OBqgtw4eDPsuuZi9lG1lKLk1K2ZvEYe 20ys/a8ZCAN9hNdjvQZuyTQ3F6xXEQdhokkfUWgnwbVSAotnNqiEHJQq6kIDDE1l4Kby rBqDLa3tgH/RGOR8I2wxtxTzI5FQILFTj00MLGWxK7HZrW3vhAUnUIfA+MdFETtjByMe YcNCW34GlY9x4WIji1YE0NQlz+Urmfe5S66uN3oim+zXrg8UNI/AxZqHlIgVHKeWeLte uzpzrOjifeL9Qm7puo4AWkcr7XKDJdXffgQqydqPEeSOHlyj/DE/UZzGUvDptz8sVKmd pzVg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=LeyhWiTWa6Y6xJ0FUn/JbmZ4W86+Pq5Z3hzGzUdmYsw=; fh=A2qr+O5JFmgGBWkNDibxYSp2NBdwAbJSUyS8hVWQFKI=; b=KzYyyXussiw2T9mZXRsVj/3mo9hpXgsuOMVEw+cNFaPO4L7a/BeBBwfdf4WHR9goWO 8lQsyfpE8pdbC1Ep4mfaF8nKcPeN1vLnfHyLGpvShT15klVNfa/KaoD2d+sQSxI9c2zC 36Cnrz7J4PExJiG19LTbnwMIsfbdqbR8ezWYPuiBSlVDK12zOrKNUKYnynZiA7Be7fRT fM2lA+e3no9307kJrwedHh60SgQk3jGtcyUSsGiOexsNzjBe4c1N0QPzyUi7/UBmJOrm A8YMaa8dLpa1KK/DEy/qgkpRfYnvp+2i8AKlnyQXuY44wkUgn5wxIZkHEgZOWgeiudJo WBxA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=Z+KFgcg8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: from groat.vger.email (groat.vger.email. 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Signed-off-by: Pin-yen Lin Reviewed-by: Douglas Anderson --- Changes in v3: - Collect review tag. drivers/gpu/drm/panel/panel-edp.c | 39 +++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c index 44acf9cacaf7..b059f5895d3a 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -1857,6 +1857,13 @@ static const struct panel_delay delay_200_500_p2e80 = { .prepare_to_enable = 80, }; +static const struct panel_delay delay_200_500_e50_p2e80 = { + .hpd_absent = 200, + .unprepare = 500, + .enable = 50, + .prepare_to_enable = 80, +}; + static const struct panel_delay delay_200_500_p2e100 = { .hpd_absent = 200, .unprepare = 500, @@ -1894,6 +1901,13 @@ static const struct panel_delay delay_200_500_e200 = { .enable = 200, }; +static const struct panel_delay delay_200_500_e200_d200 = { + .hpd_absent = 200, + .unprepare = 500, + .enable = 200, + .disable = 200, +}; + static const struct panel_delay delay_200_500_e200_d10 = { .hpd_absent = 200, .unprepare = 500, @@ -1907,6 +1921,13 @@ static const struct panel_delay delay_200_150_e200 = { .enable = 200, }; +static const struct panel_delay delay_200_500_e50_po2e200 = { + .hpd_absent = 200, + .unprepare = 500, + .enable = 50, + .powered_on_to_enable = 200, +}; + #define EDP_PANEL_ENTRY(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _delay, _name) \ { \ .name = _name, \ @@ -1932,6 +1953,7 @@ static const struct panel_delay delay_200_150_e200 = { * Sort first by vendor, then by product ID. */ static const struct edp_panel_entry edp_panels[] = { + EDP_PANEL_ENTRY('A', 'U', 'O', 0x105c, &delay_200_500_e50, "B116XTN01.0"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x1062, &delay_200_500_e50, "B120XAN01.0"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x145c, &delay_200_500_e50, "B116XAB01.4"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x1e9b, &delay_200_500_e50, "B133UAN02.1"), @@ -1948,23 +1970,31 @@ static const struct edp_panel_entry edp_panels[] = { &auo_b116xa3_mode), EDP_PANEL_ENTRY('A', 'U', 'O', 0x635c, &delay_200_500_e50, "B116XAN06.3"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x639c, &delay_200_500_e50, "B140HAK02.7"), + EDP_PANEL_ENTRY('A', 'U', 'O', 0x723c, &delay_200_500_e50, "B140XTN07.2"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x8594, &delay_200_500_e50, "B133UAN01.0"), EDP_PANEL_ENTRY('A', 'U', 'O', 0xf390, &delay_200_500_e50, "B140XTN07.7"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0608, &delay_200_500_e50, "NT116WHM-N11"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0715, &delay_200_150_e200, "NT116WHM-N21"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0717, &delay_200_500_e50_po2e200, "NV133FHM-N42"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0731, &delay_200_500_e80, "NT116WHM-N42"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0741, &delay_200_500_e200, "NT116WHM-N44"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0754, &delay_200_500_e50_po2e200, "NV116WHM-N45"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0786, &delay_200_500_p2e80, "NV116WHM-T01"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x07d1, &boe_nv133fhm_n61.delay, "NV133FHM-N61"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x07f6, &delay_200_500_e200, "NT140FHM-N44"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0827, &delay_200_500_e50_p2e80, "NT140WHM-N44 V8.0"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x082d, &boe_nv133fhm_n61.delay, "NV133FHM-N62"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x08b2, &delay_200_500_e200, "NT140WHM-N49"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x09c3, &delay_200_500_e50, "NT116WHM-N21,836X2"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x094b, &delay_200_500_e50, "NT116WHM-N21"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0951, &delay_200_500_e80, "NV116WHM-N47"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x095f, &delay_200_500_e50, "NE135FBM-N41 v8.1"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x096e, &delay_200_500_e50_po2e200, "NV116WHM-T07 V8.0"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0979, &delay_200_500_e50, "NV116WHM-N49 V8.0"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x098d, &boe_nv110wtm_n61.delay, "NV110WTM-N61"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0993, &delay_200_500_e80, "NV116WHM-T14 V8.0"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x09ad, &delay_200_500_e80, "NV116WHM-N47"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x09ae, &delay_200_500_e200, "NT140FHM-N45"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x09dd, &delay_200_500_e50, "NT116WHM-N21"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a5d, &delay_200_500_e50, "NV116WHM-N45"), @@ -1973,6 +2003,7 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b56, &delay_200_500_e80, "NT140FHM-N47"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0c20, &delay_200_500_e80, "NT140FHM-N47"), + EDP_PANEL_ENTRY('C', 'M', 'N', 0x1130, &delay_200_500_e50, "N116BGE-EB2"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1132, &delay_200_500_e80_d50, "N116BGE-EA2"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1138, &innolux_n116bca_ea1.delay, "N116BCA-EA1-RC4"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1139, &delay_200_500_e80_d50, "N116BGE-EA2"), @@ -1985,6 +2016,7 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('C', 'M', 'N', 0x115b, &delay_200_500_e80_d50, "N116BCN-EB1"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1247, &delay_200_500_e80_d50, "N120ACA-EA1"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x142b, &delay_200_500_e80_d50, "N140HCA-EAC"), + EDP_PANEL_ENTRY('C', 'M', 'N', 0x142e, &delay_200_500_e80_d50, "N140BGA-EA4"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x144f, &delay_200_500_e80_d50, "N140HGA-EA1"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1468, &delay_200_500_e80, "N140HGA-EA1"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x14d4, &delay_200_500_e80_d50, "N140HCA-EAC"), @@ -2000,10 +2032,17 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('I', 'V', 'O', 0x8c4d, &delay_200_150_e200, "R140NWFM R1"), EDP_PANEL_ENTRY('K', 'D', 'B', 0x0624, &kingdisplay_kd116n21_30nv_a010.delay, "116N21-30NV-A010"), + EDP_PANEL_ENTRY('K', 'D', 'B', 0x1118, &delay_200_500_e50, "KD116N29-30NK-A005"), EDP_PANEL_ENTRY('K', 'D', 'B', 0x1120, &delay_200_500_e80_d50, "116N29-30NK-C007"), + EDP_PANEL_ENTRY('K', 'D', 'C', 0x044f, &delay_200_500_e50, "KD116N9-30NH-F3"), + EDP_PANEL_ENTRY('K', 'D', 'C', 0x05f1, &delay_200_500_e80_d50, "KD116N5-30NV-G7"), EDP_PANEL_ENTRY('K', 'D', 'C', 0x0809, &delay_200_500_e50, "KD116N2930A15"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x0497, &delay_200_500_e200_d200, "LP116WH7-SPB1"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x052c, &delay_200_500_e200_d200, "LP133WF2-SPL7"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x054a, &delay_200_500_e200_d200, "LP116WH8-SPC1"), + EDP_PANEL_ENTRY('S', 'D', 'C', 0x416d, &delay_100_500_e200, "ATNA45AF01"), EDP_PANEL_ENTRY('S', 'H', 'P', 0x1511, &delay_200_500_e50, "LQ140M1JW48"), From patchwork Thu Dec 14 15:27:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pin-yen Lin X-Patchwork-Id: 178783 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:3b04:b0:fb:cd0c:d3e with SMTP id c4csp8628134dys; Thu, 14 Dec 2023 07:28:57 -0800 (PST) X-Google-Smtp-Source: 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[23.128.96.32]) by mx.google.com with ESMTPS id s15-20020a65644f000000b005c21d7d1126si11458395pgv.843.2023.12.14.07.28.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Dec 2023 07:28:57 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=gHa29scq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 3950380EAD79; Thu, 14 Dec 2023 07:28:54 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1573757AbjLNP23 (ORCPT + 99 others); Thu, 14 Dec 2023 10:28:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45244 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1573805AbjLNP2Z (ORCPT ); Thu, 14 Dec 2023 10:28:25 -0500 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6571B121 for ; Thu, 14 Dec 2023 07:28:31 -0800 (PST) Received: by mail-pf1-x429.google.com with SMTP id d2e1a72fcca58-6cea1522303so5343278b3a.1 for ; Thu, 14 Dec 2023 07:28:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1702567711; x=1703172511; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=cYiJim7EwvZmICmF4sAaIlVhRyzTthGFrkGF3qQRcUU=; b=gHa29scq/fcMBvoDgWgvC1pgQ6Kp7ka5QwYQCh84yzHpsKu4CresfdzruV5PIYYvPi aSKsEfjPiyYNsV5bAAvSxmM3UaObYvGVCk+pajcTfGsx3cXlr49BrWe2MJjDtwBFDZQx 6j/3p6s9KrgPekPewi2Z8Rdb3nghmr7cp795s= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702567711; x=1703172511; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=cYiJim7EwvZmICmF4sAaIlVhRyzTthGFrkGF3qQRcUU=; b=ArCV0T6+Ba6drqIUjyTh9pWQbNMBakvsp0ytqam/R++VdfzCZYadu9DQUJkzToWmc3 nTrvz6RtJM9OULwuiFkdPn6H9FKem5D7gm5OZfoAJbTb050hnACXqcJlB/RKcUd2ktBX GEjsGl0Rxq34jTMbCFBPj1TB2W+cexSh6RAdG8V/XLjuQIh8y0WIlRUarKvcbUd5PpvG 5v9RQRIYoc8V/Qt3bnjAs3DzGep923tjpfS40jbAuzqVxWdYjG+M4tJRf1rtZcdWqrY3 +HUvbCBle03WUUNLx/zBm1PzERJStMUocy0AsB2J5gAvv/HlJZyEcMXLOCd42xP57G25 ScUw== X-Gm-Message-State: AOJu0YxVFxXMcgLi1ct2r8BHZ+bXHm30dP3W3JRPQXwG5cRve2kmU1Tf v65XiTCeRWQ0eN5WiH19qYvtNyW0cKPSu7sDoI0= X-Received: by 2002:a05:6a20:1445:b0:18b:fe45:90cb with SMTP id a5-20020a056a20144500b0018bfe4590cbmr5827576pzi.54.1702567710859; Thu, 14 Dec 2023 07:28:30 -0800 (PST) Received: from treapking.tpe.corp.google.com ([2401:fa00:1:10:6530:8349:4ba8:984a]) by smtp.gmail.com with ESMTPSA id b8-20020aa78108000000b006ce7bd009c0sm12281179pfi.149.2023.12.14.07.28.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Dec 2023 07:28:30 -0800 (PST) From: Pin-yen Lin To: Douglas Anderson , Neil Armstrong , Jessica Zhang , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter Cc: Guenter Roeck , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Pin-yen Lin Subject: [PATCH v3 3/3] drm/panel-edp: Add some panels with conservative timings Date: Thu, 14 Dec 2023 23:27:52 +0800 Message-ID: <20231214152817.2766280-4-treapking@chromium.org> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog In-Reply-To: <20231214152817.2766280-1-treapking@chromium.org> References: <20231214152817.2766280-1-treapking@chromium.org> MIME-Version: 1.0 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Thu, 14 Dec 2023 07:28:54 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785271668263503060 X-GMAIL-MSGID: 1785271668263503060 These panels are used by Mediatek MT8173 Chromebooks, and they used to work with the downstream v4.19 kernel without any specified delay. Back in the v4.19 kernel, they used the "little white lie" approach, which is making the devicetree claim a specific panel's compatible string for many different panels. That was a common solution before the generic edp-panel driver. After we uprevved the device to a newer kernel and used the edp-panel driver, we saw multiple devices reporting warnings of using an unknown panel and falling back to the conservative timings, which means that they turn on/off much more slowly than they should. We tried to fill in the timings for those panels, but we failed to find all the data sheets for them. Therefore, instead of having them use the default conservative timings, update them with less-conservative timings from other panels of the same vendor. The panels should still work under those timings, and we can save some delays and suppress the warnings. Signed-off-by: Pin-yen Lin Reviewed-by: Douglas Anderson --- Changes in v3: - Update the commit message. - Collect review tag. drivers/gpu/drm/panel/panel-edp.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-edp.c b/drivers/gpu/drm/panel/panel-edp.c index b059f5895d3a..e23737284f31 100644 --- a/drivers/gpu/drm/panel/panel-edp.c +++ b/drivers/gpu/drm/panel/panel-edp.c @@ -1955,6 +1955,7 @@ static const struct panel_delay delay_200_500_e50_po2e200 = { static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('A', 'U', 'O', 0x105c, &delay_200_500_e50, "B116XTN01.0"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x1062, &delay_200_500_e50, "B120XAN01.0"), + EDP_PANEL_ENTRY('A', 'U', 'O', 0x125c, &delay_200_500_e50, "Unknown"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x145c, &delay_200_500_e50, "B116XAB01.4"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x1e9b, &delay_200_500_e50, "B133UAN02.1"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x1ea5, &delay_200_500_e50, "B116XAK01.6"), @@ -1965,6 +1966,7 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('A', 'U', 'O', 0x403d, &delay_200_500_e50, "B140HAN04.0"), EDP_PANEL_ENTRY2('A', 'U', 'O', 0x405c, &auo_b116xak01.delay, "B116XAK01.0", &auo_b116xa3_mode), + EDP_PANEL_ENTRY('A', 'U', 'O', 0x435c, &delay_200_500_e50, "Unknown"), EDP_PANEL_ENTRY('A', 'U', 'O', 0x582d, &delay_200_500_e50, "B133UAN01.0"), EDP_PANEL_ENTRY2('A', 'U', 'O', 0x615c, &delay_200_500_e50, "B116XAN06.1", &auo_b116xa3_mode), @@ -1974,18 +1976,34 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('A', 'U', 'O', 0x8594, &delay_200_500_e50, "B133UAN01.0"), EDP_PANEL_ENTRY('A', 'U', 'O', 0xf390, &delay_200_500_e50, "B140XTN07.7"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0607, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0608, &delay_200_500_e50, "NT116WHM-N11"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0668, &delay_200_500_e200, "Unknown"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x068f, &delay_200_500_e200, "Unknown"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x06e5, &delay_200_500_e200, "Unknown"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0705, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0715, &delay_200_150_e200, "NT116WHM-N21"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0717, &delay_200_500_e50_po2e200, "NV133FHM-N42"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0731, &delay_200_500_e80, "NT116WHM-N42"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0741, &delay_200_500_e200, "NT116WHM-N44"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0744, &delay_200_500_e200, "Unknown"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x074c, &delay_200_500_e200, "Unknown"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0751, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0754, &delay_200_500_e50_po2e200, "NV116WHM-N45"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0771, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0786, &delay_200_500_p2e80, "NV116WHM-T01"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0797, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x07d1, &boe_nv133fhm_n61.delay, "NV133FHM-N61"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x07d3, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x07f6, &delay_200_500_e200, "NT140FHM-N44"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x07f8, &delay_200_500_e200, "Unknown"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0813, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0827, &delay_200_500_e50_p2e80, "NT140WHM-N44 V8.0"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x082d, &boe_nv133fhm_n61.delay, "NV133FHM-N62"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0843, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x08b2, &delay_200_500_e200, "NT140WHM-N49"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0848, &delay_200_500_e200, "Unknown"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0849, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x09c3, &delay_200_500_e50, "NT116WHM-N21,836X2"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x094b, &delay_200_500_e50, "NT116WHM-N21"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0951, &delay_200_500_e80, "NV116WHM-N47"), @@ -1997,6 +2015,7 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('B', 'O', 'E', 0x09ad, &delay_200_500_e80, "NV116WHM-N47"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x09ae, &delay_200_500_e200, "NT140FHM-N45"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x09dd, &delay_200_500_e50, "NT116WHM-N21"), + EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a36, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a5d, &delay_200_500_e50, "NV116WHM-N45"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0ac5, &delay_200_500_e50, "NV116WHM-N4C"), EDP_PANEL_ENTRY('B', 'O', 'E', 0x0b43, &delay_200_500_e200, "NV140FHM-T09"), @@ -2007,11 +2026,14 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('C', 'M', 'N', 0x1132, &delay_200_500_e80_d50, "N116BGE-EA2"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1138, &innolux_n116bca_ea1.delay, "N116BCA-EA1-RC4"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1139, &delay_200_500_e80_d50, "N116BGE-EA2"), + EDP_PANEL_ENTRY('C', 'M', 'N', 0x1141, &delay_200_500_e80_d50, "Unknown"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1145, &delay_200_500_e80_d50, "N116BCN-EB1"), + EDP_PANEL_ENTRY('C', 'M', 'N', 0x114a, &delay_200_500_e80_d50, "Unknown"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x114c, &innolux_n116bca_ea1.delay, "N116BCA-EA1"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1152, &delay_200_500_e80_d50, "N116BCN-EA1"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1153, &delay_200_500_e80_d50, "N116BGE-EA2"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1154, &delay_200_500_e80_d50, "N116BCA-EA2"), + EDP_PANEL_ENTRY('C', 'M', 'N', 0x1156, &delay_200_500_e80_d50, "Unknown"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1157, &delay_200_500_e80_d50, "N116BGE-EA2"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x115b, &delay_200_500_e80_d50, "N116BCN-EB1"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x1247, &delay_200_500_e80_d50, "N120ACA-EA1"), @@ -2023,6 +2045,8 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('C', 'M', 'N', 0x14d6, &delay_200_500_e80_d50, "N140BGA-EA4"), EDP_PANEL_ENTRY('C', 'M', 'N', 0x14e5, &delay_200_500_e80_d50, "N140HGA-EA1"), + EDP_PANEL_ENTRY('H', 'K', 'C', 0x2d51, &delay_200_500_e200, "Unknown"), + EDP_PANEL_ENTRY('H', 'K', 'C', 0x2d5b, &delay_200_500_e200, "Unknown"), EDP_PANEL_ENTRY('H', 'K', 'C', 0x2d5c, &delay_200_500_e200, "MB116AN01-2"), EDP_PANEL_ENTRY('I', 'V', 'O', 0x048e, &delay_200_500_e200_d10, "M116NWR6 R5"), @@ -2031,6 +2055,7 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('I', 'V', 'O', 0x854b, &delay_200_500_p2e100, "R133NW4K-R0"), EDP_PANEL_ENTRY('I', 'V', 'O', 0x8c4d, &delay_200_150_e200, "R140NWFM R1"), + EDP_PANEL_ENTRY('K', 'D', 'B', 0x044f, &delay_200_500_e80_d50, "Unknown"), EDP_PANEL_ENTRY('K', 'D', 'B', 0x0624, &kingdisplay_kd116n21_30nv_a010.delay, "116N21-30NV-A010"), EDP_PANEL_ENTRY('K', 'D', 'B', 0x1118, &delay_200_500_e50, "KD116N29-30NK-A005"), EDP_PANEL_ENTRY('K', 'D', 'B', 0x1120, &delay_200_500_e80_d50, "116N29-30NK-C007"), @@ -2039,9 +2064,15 @@ static const struct edp_panel_entry edp_panels[] = { EDP_PANEL_ENTRY('K', 'D', 'C', 0x05f1, &delay_200_500_e80_d50, "KD116N5-30NV-G7"), EDP_PANEL_ENTRY('K', 'D', 'C', 0x0809, &delay_200_500_e50, "KD116N2930A15"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x0000, &delay_200_500_e200_d200, "Unknown"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x048d, &delay_200_500_e200_d200, "Unknown"), EDP_PANEL_ENTRY('L', 'G', 'D', 0x0497, &delay_200_500_e200_d200, "LP116WH7-SPB1"), EDP_PANEL_ENTRY('L', 'G', 'D', 0x052c, &delay_200_500_e200_d200, "LP133WF2-SPL7"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x0537, &delay_200_500_e200_d200, "Unknown"), EDP_PANEL_ENTRY('L', 'G', 'D', 0x054a, &delay_200_500_e200_d200, "LP116WH8-SPC1"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x0567, &delay_200_500_e200_d200, "Unknown"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x05af, &delay_200_500_e200_d200, "Unknown"), + EDP_PANEL_ENTRY('L', 'G', 'D', 0x05f1, &delay_200_500_e200_d200, "Unknown"), EDP_PANEL_ENTRY('S', 'D', 'C', 0x416d, &delay_100_500_e200, "ATNA45AF01"),