From patchwork Mon Oct 14 09:39:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Giedrius_Statkevi=C4=8Dius?= X-Patchwork-Id: 13840084 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 147F6D37491 for ; Thu, 17 Oct 2024 13:52:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A8BBC10E841; Thu, 17 Oct 2024 13:52:27 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="TRF2lKNq"; dkim-atps=neutral Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2757310E404; Mon, 14 Oct 2024 09:41:00 +0000 (UTC) Received: by mail-wm1-f50.google.com with SMTP id 5b1f17b1804b1-43057f4a16eso35326305e9.1; Mon, 14 Oct 2024 02:41:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1728898858; x=1729503658; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=5a4qfjLxUFAWrjF7SBSebNnHB1LQ0GNam3wZT3QbPkg=; b=TRF2lKNq1lR2JPdVQYo7zsWW7ICxYtzvbKRlVfpQG/E2qKCjUZfdNjxVSVymNHBYso qI/x8ST0J+CbJ6XaW50WDxNznx29XliGRlpuBC9Uo2tuPixpZDKH3WbrnwPzuBxqbEL7 VcGYJMI9pn1gpg9KYbxYcPO5twxeQyQKNQx1w4Y7hrELWmQdMllLlN+XsfukjnGeb/9n tK0Y6RZPXrcyzSauODAtKVo+uu2p49KMKpu44k48XCGougX/2hGi09FE9g21M5jAfziq 8Jheg00vruOac05Jxz6YQlabludICKGPOhXFIOkPgWtJL6Guc60avglaF0o1jEALe8FN kFpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728898858; x=1729503658; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=5a4qfjLxUFAWrjF7SBSebNnHB1LQ0GNam3wZT3QbPkg=; b=P9LfMPBjDChaFd7k03fwRGlA+UVHk3EHRd6wQNIun/zcgrvRc8F4GOHXLUisyULxT9 w6f6MNpmzhrcBjhQ2taQReD//OtMGMUO3WW2m/3prksPn2J6aQhecEMIQGirCAc8wWat 0/8La7I1Gag/jlqXPKr64+XDYEDurcdxVsIGBaNvkLnDI0ypKOF8mi71I4WK+zhT0/ql l4vqe7jFfdYQYAmShZewQanMXCXzwn3rfh0ssk5YF82ND2D5ynvA6uuLNG6Y2AL7sOi6 H+d2JYeJ+W/3UKhuYlu5RRvRMFLH3u4wXXlzeaWioWilPMcURM9NljjQl2h8E9SUL6qH pLyQ== X-Forwarded-Encrypted: i=1; AJvYcCV9HTwFKgURMDEwbcZLmPRw2kmx0uA2o3939S6D+KIWS3yMI/3Qv+/aBy41oUz3DeTElzYXrUuYqZ4=@lists.freedesktop.org, AJvYcCW3EPVOq5zxyC7V4p8qkCURXCm92ibIrM9fElRpOwUmiBDFMZr+YGzyHuKXRt0EQ1pZC6s2nc5qULL6@lists.freedesktop.org, AJvYcCXrO77YTMOq6aJYWnN8Ahho6NJTpf4vwNLa1GQBHiXk4H+AdIwbUkrX8TpDaa8at0okstdeqDGqQlg=@lists.freedesktop.org X-Gm-Message-State: AOJu0Yw1O1PADT/1wE1ci/CDYWCgGLpaAolwTfQ7HYTT/PZXUwSW+dq7 vT7rAz196lSU0ql44QuP+J946mGoQ/KDfMYwWf7ci35QGFr/SAUv X-Google-Smtp-Source: AGHT+IHBDC3j3sVyvHElbDNRRmedDAgbyplgVakeUYKBKRQlyrc/vtKe3qcsRtcd4U4umqg8KfNKVg== X-Received: by 2002:a05:600c:5705:b0:431:2b66:44f7 with SMTP id 5b1f17b1804b1-4312b664514mr43060755e9.31.1728898858349; Mon, 14 Oct 2024 02:40:58 -0700 (PDT) Received: from giedriuslaptop.vinted.net ([92.61.38.146]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-37d4b6bd03fsm10889481f8f.34.2024.10.14.02.40.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Oct 2024 02:40:57 -0700 (PDT) From: =?utf-8?q?Giedrius_Statkevi=C4=8Dius?= To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin Cc: =?utf-8?q?Giedrius_Statkevi=C4=8Dius?= , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Subject: [PATCH] drm/i915/lspcon: do not hardcode settle timeout Date: Mon, 14 Oct 2024 12:39:12 +0300 Message-ID: <20241014093914.109162-1-giedriuswork@gmail.com> X-Mailer: git-send-email 2.47.0 MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 17 Oct 2024 13:52:26 +0000 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Avoid hardcoding the LSPCON settle timeout because it takes a longer time on certain chips made by certain vendors. Use the function that already exists to determine the timeout. Signed-off-by: Giedrius Statkevičius --- drivers/gpu/drm/display/drm_dp_dual_mode_helper.c | 3 +-- drivers/gpu/drm/i915/display/intel_lspcon.c | 2 +- include/drm/display/drm_dp_dual_mode_helper.h | 2 +- 3 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c b/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c index 14a2a8473682..ae9d6b93136b 100644 --- a/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c +++ b/drivers/gpu/drm/display/drm_dp_dual_mode_helper.c @@ -491,11 +491,10 @@ EXPORT_SYMBOL(drm_lspcon_get_mode); * 0 on success, -error on failure/timeout */ int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter, - enum drm_lspcon_mode mode) + enum drm_lspcon_mode mode, int time_out) { u8 data = 0; int ret; - int time_out = 200; enum drm_lspcon_mode current_mode; if (mode == DRM_LSPCON_MODE_PCON) diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c index f9db867fae89..764cf4898364 100644 --- a/drivers/gpu/drm/i915/display/intel_lspcon.c +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c @@ -211,7 +211,7 @@ static int lspcon_change_mode(struct intel_lspcon *lspcon, return 0; } - err = drm_lspcon_set_mode(intel_dp->aux.drm_dev, ddc, mode); + err = drm_lspcon_set_mode(intel_dp->aux.drm_dev, ddc, mode, lspcon_get_mode_settle_timeout(lspcon)); if (err < 0) { drm_err(display->drm, "LSPCON mode change failed\n"); return err; diff --git a/include/drm/display/drm_dp_dual_mode_helper.h b/include/drm/display/drm_dp_dual_mode_helper.h index 7ee482265087..7ac6969db935 100644 --- a/include/drm/display/drm_dp_dual_mode_helper.h +++ b/include/drm/display/drm_dp_dual_mode_helper.h @@ -117,5 +117,5 @@ const char *drm_dp_get_dual_mode_type_name(enum drm_dp_dual_mode_type type); int drm_lspcon_get_mode(const struct drm_device *dev, struct i2c_adapter *adapter, enum drm_lspcon_mode *current_mode); int drm_lspcon_set_mode(const struct drm_device *dev, struct i2c_adapter *adapter, - enum drm_lspcon_mode reqd_mode); + enum drm_lspcon_mode reqd_mode, int time_out); #endif