From patchwork Mon Jan 14 15:55:30 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thierry Reding X-Patchwork-Id: 1972651 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id 6498EDF2E1 for ; Mon, 14 Jan 2013 16:10:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 63B39E6477 for ; Mon, 14 Jan 2013 08:10:23 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.186]) by gabe.freedesktop.org (Postfix) with ESMTP id EE7D5E637C for ; Mon, 14 Jan 2013 07:55:46 -0800 (PST) Received: from mailbox.adnet.avionic-design.de (mailbox.avionic-design.de [109.75.18.3]) by mrelayeu.kundenserver.de (node=mreu4) with ESMTP (Nemesis) id 0MWcQg-1TSlxb34tm-00XenC; Mon, 14 Jan 2013 16:55:45 +0100 Received: from localhost (localhost [127.0.0.1]) by mailbox.adnet.avionic-design.de (Postfix) with ESMTP id 1CC232A28162; Mon, 14 Jan 2013 16:55:45 +0100 (CET) X-Virus-Scanned: amavisd-new at avionic-design.de Received: from mailbox.adnet.avionic-design.de ([127.0.0.1]) by localhost (mailbox.avionic-design.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id A1gd0KyInrIZ; Mon, 14 Jan 2013 16:55:39 +0100 (CET) Received: from mailman.adnet.avionic-design.de (mailman.adnet.avionic-design.de [172.20.31.172]) by mailbox.adnet.avionic-design.de (Postfix) with ESMTP id 337352A2814A; Mon, 14 Jan 2013 16:55:33 +0100 (CET) Received: from localhost (avionic-0098.adnet.avionic-design.de [172.20.31.233]) by mailman.adnet.avionic-design.de (Postfix) with ESMTP id 85E06100654; Mon, 14 Jan 2013 16:55:29 +0100 (CET) From: Thierry Reding To: David Airlie Subject: [PATCH 3/5] drm/tegra: Implement .mode_set_base() Date: Mon, 14 Jan 2013 16:55:30 +0100 Message-Id: <1358178932-25505-4-git-send-email-thierry.reding@avionic-design.de> X-Mailer: git-send-email 1.8.1 In-Reply-To: <1358178932-25505-1-git-send-email-thierry.reding@avionic-design.de> References: <1358178932-25505-1-git-send-email-thierry.reding@avionic-design.de> X-Provags-ID: V02:K0:dagWq4uAZQcr+40e1NJqZWHJV9CvwqcdYT/8ayAo58/ eRi8MJ4/C7ZL3b7D5RHYYDyvNKEA18URnFcqoRC+7Qn4Vu7L6O K7c0lU0LkBUbL6SGdF/wW1zktI7p7lQMUngj/B5vWtLYz3fjZm G4aETetBN6MNCRE/dFmcv7MBdZSug5aUlEOqLGFnaiRPvDqPEk 8lsFKUJcNOVyBtwr4l9067zKmRZ5T5l4Ot8vTv5Cv5I6V8b1Bm 1J/k0kTxQfaRx9iq+gZp31eU9QD9ckodmCsL4MugjesQY0qBPO YrqrRHgJU6ElrnQWNJQjLB9KoCjnb+1s1Nf557Lt8NnnG9aBoF yfVl3d3glh2k789KVjY3PuHJvKIY9DzSY592jJa00Md2Zg4Ugt hXI6xNNvw9NtarRTr/tbPGvBhcekaxLBSp+8l4DknvrgAUQx93 shfsT Cc: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org The sequence for replacing the scanout buffer is much shorter than a full mode change operation so implementing this callback considerably speeds up cases where only a new framebuffer is to be scanned out. Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/dc.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 157e962..8dd7d8a 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -116,6 +116,25 @@ static int tegra_dc_add_planes(struct drm_device *drm, struct tegra_dc *dc) return 0; } +static int tegra_dc_set_base(struct tegra_dc *dc, int x, int y, + struct tegra_framebuffer *fb) +{ + unsigned long value; + + tegra_dc_writel(dc, WINDOW_A_SELECT, DC_CMD_DISPLAY_WINDOW_HEADER); + + value = fb->base.offsets[0] + y * fb->base.pitches[0] + + x * fb->base.bits_per_pixel / 8; + + tegra_dc_writel(dc, fb->obj->paddr + value, DC_WINBUF_START_ADDR); + + value = GENERAL_ACT_REQ | WIN_A_ACT_REQ; + value |= GENERAL_UPDATE | WIN_A_UPDATE; + tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL); + + return 0; +} + static const struct drm_crtc_funcs tegra_crtc_funcs = { .set_config = drm_crtc_helper_set_config, .destroy = drm_crtc_cleanup, @@ -404,6 +423,15 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc, return 0; } +static int tegra_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb) +{ + struct tegra_framebuffer *fb = to_tegra_fb(crtc->fb); + struct tegra_dc *dc = to_tegra_dc(crtc); + + return tegra_dc_set_base(dc, x, y, fb); +} + static void tegra_crtc_prepare(struct drm_crtc *crtc) { struct tegra_dc *dc = to_tegra_dc(crtc); @@ -483,6 +511,7 @@ static const struct drm_crtc_helper_funcs tegra_crtc_helper_funcs = { .dpms = tegra_crtc_dpms, .mode_fixup = tegra_crtc_mode_fixup, .mode_set = tegra_crtc_mode_set, + .mode_set_base = tegra_crtc_mode_set_base, .prepare = tegra_crtc_prepare, .commit = tegra_crtc_commit, .load_lut = tegra_crtc_load_lut,