From patchwork Fri Jul 23 00:21:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Anderson X-Patchwork-Id: 485453 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2A00C4320A for ; Fri, 23 Jul 2021 00:22:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF14560ED3 for ; Fri, 23 Jul 2021 00:22:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232913AbhGVXlt (ORCPT ); Thu, 22 Jul 2021 19:41:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232898AbhGVXlr (ORCPT ); Thu, 22 Jul 2021 19:41:47 -0400 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8AA6AC06179C for ; Thu, 22 Jul 2021 17:22:14 -0700 (PDT) Received: by mail-pl1-x629.google.com with SMTP id f1so1282944plt.7 for ; Thu, 22 Jul 2021 17:22:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=gWScQ3RoXdLdJS9t+RJN8kdgO9NRWYfVw++Ppk8gyUQ=; b=XqCcX4qSfe4fNA6xqHdCXE7WfptpmrsuVLTgFjOiMco81rVjYmUxtJip9IGSAumy3g PY/iX0k4asGRdW1+C7Odrq6m1900W/I8qEao9ifYHDajtZ6v8UJqceHNZnyoQApRRfJL AlchELWMfPx3fYJN1EkRqZPAOr9sTG5BTSjCk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gWScQ3RoXdLdJS9t+RJN8kdgO9NRWYfVw++Ppk8gyUQ=; b=R41VGmr9KmBnZ51IzGJwQQkLQsWV9TOZBavshZWAd7kHkhhvRxEg+Zfj6u0HdyjzUC iWl5up+YiU9rbVIZXSZAYt535oE/LRUwinFBJ3EITLf0QR/xXVrbtSMnAh2TD2GruqyR t7l716K+wDMUMASCEAmnVq1n23AN0HzV8iWPmCbwMgl1MQZAs9j+3s8v1AK8o8Q3e2Gi /r4rRmY71WpO/2nBhwfUUbxUOFrLJrVA32FbijKQd/Rsh67yXZe+/suwRQB5twajrGJX lKxpbU5v+3V7u/zw5LdL1HOAFqyfBzhXfeFIemzpnDvUvu58C4zkYgt+2CBB/J6mYSre Cz0A== X-Gm-Message-State: AOAM531M4CmIspx+jRvvL3veurcyWq85Nzkue6vq67Sjf+wVL7craTer u6vvMSYbDwBbyPL+lJvHsHU+qA== X-Google-Smtp-Source: ABdhPJwHpj2aZr9pdn1A/6Wx4oICGJjmdyIfL+SVJ2uAcEvkUKah5a3ORUThg/UpxLy0oPpE5BTJDA== X-Received: by 2002:a17:90a:6c61:: with SMTP id x88mr11582187pjj.122.1626999734119; Thu, 22 Jul 2021 17:22:14 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:201:5e70:6a49:67b5:2b7e]) by smtp.gmail.com with ESMTPSA id iy13sm4072377pjb.28.2021.07.22.17.22.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jul 2021 17:22:13 -0700 (PDT) From: Douglas Anderson To: Thierry Reding , Rob Herring Cc: Maarten Lankhorst , Steev Klimaszewski , dri-devel@lists.freedesktop.org, David Airlie , devicetree@vger.kernel.org, Daniel Vetter , Maxime Ripard , Sam Ravnborg , Thomas Zimmermann , linux-arm-msm@vger.kernel.org, Linus W , Bjorn Andersson , Douglas Anderson , linux-kernel@vger.kernel.org Subject: [RFC PATCH 4/8] drm/panel-simple: Don't re-read the EDID every time we power off the panel Date: Thu, 22 Jul 2021 17:21:42 -0700 Message-Id: <20210722172104.RFC.4.Ib810fb3bebd0bd6763e4609e1a6764d06064081e@changeid> X-Mailer: git-send-email 2.32.0.432.gabb21c7263-goog In-Reply-To: <20210723002146.1962910-1-dianders@chromium.org> References: <20210723002146.1962910-1-dianders@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The simple-panel driver is for panels that are not hot-pluggable at runtime. Let's keep our cached EDID around until driver unload. Signed-off-by: Douglas Anderson --- drivers/gpu/drm/panel/panel-simple.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 9b286bd4444f..bcdc84b20827 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -370,9 +370,6 @@ static int panel_simple_suspend(struct device *dev) regulator_disable(p->supply); p->unprepared_time = ktime_get(); - kfree(p->edid); - p->edid = NULL; - return 0; } @@ -862,6 +859,9 @@ static int panel_simple_remove(struct device *dev) if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc)) put_device(&panel->ddc->dev); + kfree(panel->edid); + panel->edid = NULL; + return 0; }