From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754736AbbATK5S (ORCPT ); Tue, 20 Jan 2015 05:57:18 -0500 Received: from mail-we0-f170.google.com ([74.125.82.170]:57396 "EHLO mail-we0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754722AbbATK5O (ORCPT ); Tue, 20 Jan 2015 05:57:14 -0500 From: Thierry Reding To: dri-devel@lists.freedesktop.org Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 21/36] drm/tegra: dc: Do not needlessly deassert reset Date: Tue, 20 Jan 2015 11:48:40 +0100 Message-Id: <1421750935-4023-22-git-send-email-thierry.reding@gmail.com> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1421750935-4023-1-git-send-email-thierry.reding@gmail.com> References: <1421750935-4023-1-git-send-email-thierry.reding@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thierry Reding Commit 9c0127004ff4 ("drm/tegra: dc: Add powergate support") changed the driver's ->probe() implementation to deassert the module reset, and with there being nobody else to assert it until ->remove() there is no need to deassert again later on. Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/dc.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 462945abded2..846daf48cf61 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1160,10 +1160,6 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc) drm_crtc_vblank_off(crtc); - /* hardware initialization */ - reset_control_deassert(dc->rst); - usleep_range(10000, 20000); - if (dc->pipe) syncpt = SYNCPT_VBLANK1; else -- 2.1.3