From patchwork Fri Nov 17 20:25:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Morgan X-Patchwork-Id: 744736 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NxodvEGG" Received: from mail-oa1-x33.google.com (mail-oa1-x33.google.com [IPv6:2001:4860:4864:20::33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DA46120 for ; Fri, 17 Nov 2023 12:25:43 -0800 (PST) Received: by mail-oa1-x33.google.com with SMTP id 586e51a60fabf-1f084cb8b54so1321184fac.1 for ; Fri, 17 Nov 2023 12:25:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700252742; x=1700857542; 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=8YEgY9ZT7EiPnB9BBj7vVf8RmyWGZIlUy6iEpY8nmGA=; b=NxodvEGGoL+gCfgvZuuQl27dxLRUPw5OFnpOn1E8Vi5eg60v407NYQPnZAWXVS7p2T NKrVNrosE6iI+tK6FC+smLfQ4ugIKEVJ6Fqxfg4k0hX5UWh2QKolkpAs0vlnmog1EKes qqYYxNpLi1Y3uxByrVUUpZf+6iBPqvRZ8gFru5aCBJtCfL8Bg82Gwg2wq5NpXWXgWWCM xixF/v2mRmFTxeLEUq8ZJm0cu1HH8PxALMAdFm1hmfdT9sTZ8u48aaRmJaM9qmxRhDiW +O/xq5eqnn6+O534NYf33Wr0lx6dtp08h9X+inhi2nYq11Kx87LblPCLenj7Q41bbPed L5Zw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700252742; x=1700857542; 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=8YEgY9ZT7EiPnB9BBj7vVf8RmyWGZIlUy6iEpY8nmGA=; b=lNIVVYxkHHS9NUMTqvkXkjEWei3NX8Y0Jew6ndr/KBPYBkzP/JrA6ucNM5mS3HIIZn po3tKbnN0sKXkKICngYhJw3xPbd08lTkk5xRyoj2Gur1dhHjwJlIrYVY+Jt7ComJo5Gc RzFZkz+XbJpw3vTjspC+675U6yaK4GuxmMHo5NJCnPzXM6J1NYJ5Gf1s/V221KFu/On0 O1gn6ttFve/XViXl2I9klvb1EPXvBnct5YZiDMZmcMDG7KUedQ8xd8fVlX/f1PiAyaY5 /gDIis6tK1a4HOa3mLqhr6nxtKb5giRs/AjUiB4/DvBX+QHQwj9vaXD2WAmeU+rM9l3G 8+HQ== X-Gm-Message-State: AOJu0YzRrqBd50YtNIkjvq5LXmuggjPpYkKV74b8bDILkp8iAUYXmU+f XGLq8+Xb/5dIAiDjSr/9HnQ= X-Google-Smtp-Source: AGHT+IFjVKENFjedAKB0p8uRVXHf+/TVB7NzTGb0+zWfV0zF0I1hQzrNkznJ2oiwFcLijAaN87J0IQ== X-Received: by 2002:a05:6870:9a8d:b0:1ea:3e52:b66e with SMTP id hp13-20020a0568709a8d00b001ea3e52b66emr325407oab.41.1700252742284; Fri, 17 Nov 2023 12:25:42 -0800 (PST) Received: from localhost.localdomain ([75.28.21.198]) by smtp.gmail.com with ESMTPSA id zf15-20020a0568716a8f00b001f224cbbde1sm390543oab.41.2023.11.17.12.25.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Nov 2023 12:25:42 -0800 (PST) From: Chris Morgan To: linux-rockchip@lists.infradead.org Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, sebastian.reichel@collabora.com, daniel@ffwll.ch, airlied@gmail.com, sam@ravnborg.org, neil.armstrong@linaro.org, heiko@sntech.de, conor+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, Chris Morgan , Jessica Zhang Subject: [PATCH V4 2/6] drm/panel: nv3051d: Hold panel in reset for unprepare Date: Fri, 17 Nov 2023 14:25:32 -0600 Message-Id: <20231117202536.1387815-3-macroalpha82@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231117202536.1387815-1-macroalpha82@gmail.com> References: <20231117202536.1387815-1-macroalpha82@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Chris Morgan Improve the panel's ability to restore from suspend by holding the panel in suspend after unprepare. Fixes: b1d39f0f4264 ("drm/panel: Add NewVision NV3051D MIPI-DSI LCD panel") Signed-off-by: Chris Morgan Reviewed-by: Jessica Zhang Tested-by: brooksytech --- drivers/gpu/drm/panel/panel-newvision-nv3051d.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c index 79de6c886292..c44c6945662f 100644 --- a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c +++ b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c @@ -261,6 +261,8 @@ static int panel_nv3051d_unprepare(struct drm_panel *panel) usleep_range(10000, 15000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_disable(ctx->vdd); return 0;