From patchwork Fri May 3 21:32:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Douglas Anderson X-Patchwork-Id: 13653456 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 95A1CC4345F for ; Fri, 3 May 2024 21:36:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B9250112E33; Fri, 3 May 2024 21:36:55 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=chromium.org header.i=@chromium.org header.b="dLJ6Mnyf"; dkim-atps=neutral Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) by gabe.freedesktop.org (Postfix) with ESMTPS id A0FBD112E33 for ; Fri, 3 May 2024 21:36:54 +0000 (UTC) Received: by mail-pl1-f169.google.com with SMTP id d9443c01a7336-1ed0abbf706so1068175ad.2 for ; Fri, 03 May 2024 14:36:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1714772213; x=1715377013; darn=lists.freedesktop.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=fIbC9LrwuAAq79Jeay6jAxq6GRcu3tw3vRcfcGuhdCM=; b=dLJ6Mnyfmys2BL8O0VBKqUW9UCK2zxzDsLEDllWi+bLYq8QqIGXSK8Q8CbTs866sZ4 I8Bx5aXLP/YpSsVLP99CIEU3jWj2XPtLew3k3BxlVXVAVjjm6/j98WY3UFJ/tIlp7GvW QbjHhiPMOnIn1JXV2UJPghqXlFJYBX8pzdVFc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714772213; x=1715377013; 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=fIbC9LrwuAAq79Jeay6jAxq6GRcu3tw3vRcfcGuhdCM=; b=EDgEeLzCM+XjxavqgNYNdatj40Ey0BoRmp29pQm/ESQDU+flWnhFmrc6KWcZ+ebCny ZFETUgl8RHycWou8qLKRAePspMk6h8sAzmjR7tWE341NPZD2fGPS/2CH4zSfGDmWFbYr YGkvjKHQTHg84+ICMC7+epvwA4p3TTsqJHJZ0DFaXsF1zvhgLOY5aobf2FD6j26xybt2 OHLKtaRhjbVg3a3PWvyX10Nd/WxArAYuMXonHV9SsUMpAoXA+8sxe+TWE9cSE+bvR7nN qNZ6DJ0cE/g0VQcy3d7i3/E7G7NgUnwAeIgYWVErOTR3I9ZxP4/D0u6dFC0ifTn3XaSS M76Q== X-Gm-Message-State: AOJu0YwEFnkuebMeSEQvXUvQKwJbBCUiZS9JbcE891PIpOSpaGI+SCaj KMpZykNje1gsAs0gQUNCb3zasanuoCEY+bIWLKPBLQBgGNh83rI1/PvYpoTD9oTvOASPJ/SP5hX LSA== X-Google-Smtp-Source: AGHT+IEJVtpxW/vIwHLrsnoyEyV1IoA8JCw5mhGllbU5SBDs6pbVC07r9dJwje7IMXdKxtbI6jQipw== X-Received: by 2002:a17:902:9f98:b0:1eb:6468:7fc3 with SMTP id g24-20020a1709029f9800b001eb64687fc3mr3513255plq.62.1714772213125; Fri, 03 May 2024 14:36:53 -0700 (PDT) Received: from dianders.sjc.corp.google.com ([2620:15c:9d:2:fb6a:b54b:7580:64f3]) by smtp.gmail.com with ESMTPSA id j12-20020a170903024c00b001eb51a46f5bsm3729134plh.43.2024.05.03.14.36.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 May 2024 14:36:52 -0700 (PDT) From: Douglas Anderson To: dri-devel@lists.freedesktop.org, Maxime Ripard Cc: Linus Walleij , Chris Morgan , Yuran Pereira , Neil Armstrong , Douglas Anderson , Brian Norris , Chris Zhong , Nickey Yang , =?utf-8?q?Heiko_St=C3=BCbner?= , Daniel Vetter , David Airlie , Jessica Zhang , Maarten Lankhorst , Sam Ravnborg , Thomas Zimmermann , linux-kernel@vger.kernel.org Subject: [RFT PATCH v2 12/48] drm/panel: kingdisplay-kd097d04: Stop tracking prepared/enabled Date: Fri, 3 May 2024 14:32:53 -0700 Message-ID: <20240503143327.RFT.v2.12.I711d07c4f4738df199697fd534c452cdfa46a21f@changeid> X-Mailer: git-send-email 2.45.0.rc1.225.g2a3ae87e7f-goog In-Reply-To: <20240503213441.177109-1-dianders@chromium.org> References: <20240503213441.177109-1-dianders@chromium.org> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" As talked about in commit d2aacaf07395 ("drm/panel: Check for already prepared/enabled in drm_panel"), we want to remove needless code from panel drivers that was storing and double-checking the prepared/enabled state. Even if someone was relying on the double-check before, that double-check is now in the core and not needed in individual drivers. Cc: Brian Norris Cc: Chris Zhong Cc: Nickey Yang Cc: "Heiko Stübner" Signed-off-by: Douglas Anderson Reviewed-by: Heiko Stuebner --- Changes in v2: - Only handle 1 panel per patch. - Split removal of prepared/enabled from handling of remove/shutdown. .../drm/panel/panel-kingdisplay-kd097d04.c | 31 ------------------- 1 file changed, 31 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c index 17f8d80cf2b3..88d775e000d4 100644 --- a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c +++ b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c @@ -23,9 +23,6 @@ struct kingdisplay_panel { struct regulator *supply; struct gpio_desc *enable_gpio; - - bool prepared; - bool enabled; }; struct kingdisplay_panel_cmd { @@ -185,15 +182,10 @@ static int kingdisplay_panel_disable(struct drm_panel *panel) struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel); int err; - if (!kingdisplay->enabled) - return 0; - err = mipi_dsi_dcs_set_display_off(kingdisplay->link); if (err < 0) dev_err(panel->dev, "failed to set display off: %d\n", err); - kingdisplay->enabled = false; - return 0; } @@ -202,9 +194,6 @@ static int kingdisplay_panel_unprepare(struct drm_panel *panel) struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel); int err; - if (!kingdisplay->prepared) - return 0; - err = mipi_dsi_dcs_enter_sleep_mode(kingdisplay->link); if (err < 0) { dev_err(panel->dev, "failed to enter sleep mode: %d\n", err); @@ -220,8 +209,6 @@ static int kingdisplay_panel_unprepare(struct drm_panel *panel) if (err < 0) return err; - kingdisplay->prepared = false; - return 0; } @@ -231,9 +218,6 @@ static int kingdisplay_panel_prepare(struct drm_panel *panel) int err, regulator_err; unsigned int i; - if (kingdisplay->prepared) - return 0; - gpiod_set_value_cansleep(kingdisplay->enable_gpio, 0); err = regulator_enable(kingdisplay->supply); @@ -275,8 +259,6 @@ static int kingdisplay_panel_prepare(struct drm_panel *panel) /* T7: 10ms */ usleep_range(10000, 11000); - kingdisplay->prepared = true; - return 0; poweroff: @@ -289,18 +271,6 @@ static int kingdisplay_panel_prepare(struct drm_panel *panel) return err; } -static int kingdisplay_panel_enable(struct drm_panel *panel) -{ - struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel); - - if (kingdisplay->enabled) - return 0; - - kingdisplay->enabled = true; - - return 0; -} - static const struct drm_display_mode default_mode = { .clock = 229000, .hdisplay = 1536, @@ -341,7 +311,6 @@ static const struct drm_panel_funcs kingdisplay_panel_funcs = { .disable = kingdisplay_panel_disable, .unprepare = kingdisplay_panel_unprepare, .prepare = kingdisplay_panel_prepare, - .enable = kingdisplay_panel_enable, .get_modes = kingdisplay_panel_get_modes, };