From patchwork Tue Apr 18 08:00:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 674718 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79EB5C77B71 for ; Tue, 18 Apr 2023 08:03:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231390AbjDRIDI (ORCPT ); Tue, 18 Apr 2023 04:03:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231528AbjDRICh (ORCPT ); Tue, 18 Apr 2023 04:02:37 -0400 Received: from relay10.mail.gandi.net (relay10.mail.gandi.net [IPv6:2001:4b98:dc4:8::230]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D006173D; Tue, 18 Apr 2023 01:02:10 -0700 (PDT) Received: from booty.fritz.box (unknown [77.244.183.192]) (Authenticated sender: luca.ceresoli@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id 0AF12240012; Tue, 18 Apr 2023 08:01:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1681804923; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=vdK6nt2jp8murA6Tyi2XudKL24Qk5UvZgDlNDAZbm+o=; b=RctV38/fZrPDiDU+1EtCQ/5ISnxOi0YoDmtx0A1CZJs9N6GFU5LYxMXQPk2MhnHTxr6I3+ Z2LpBlwcD4iys3WAqS0GdHepOif0G8SA4y4iip+a9maHEKjb/agVyOLG+OIjBaJhX6CM9E LAZMCBIWu8+FQE1+iLMxfOHYT/Qd83o9vxZYg8AXqssAPzugQZB4b12Ojt+Y8Kz9X3eBua mMto97YutzgNchVSBA9+NGQaz92dza6cyShQFH9uTbOkGWVSSCVf9Xi6e0Aa17bLcEBAXR V3l9WLHKODu324mG1/QiaVj+/49+moYb04sp9iOhcI99yVU+iZGt8PeW4asrSg== From: Luca Ceresoli To: linux-tegra@vger.kernel.org Cc: Luca Ceresoli , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Mauro Carvalho Chehab , Greg Kroah-Hartman , linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Laurent Pinchart , Hans Verkuil , Thomas Petazzoni , Paul Kocialkowski , Richard Leitner , Dmitry Osipenko Subject: [PATCH v6 16/20] staging: media: tegra-video: move syncpt init/free to a per-soc op Date: Tue, 18 Apr 2023 10:00:50 +0200 Message-Id: <20230418080054.452955-17-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230418080054.452955-1-luca.ceresoli@bootlin.com> References: <20230418080054.452955-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org tegra_channel_host1x_syncpt_init() gets the host1x syncpts needed for the Tegra210 implementation, and tegra_channel_host1x_syncpts_free() puts them. Tegra20 needs to get and put a different syncpt. In preparation for adding Tegra20 support, move these functions to new ops in the soc-specific `struct tegra_vi_ops` . No functional changes. Signed-off-by: Luca Ceresoli Reviewed-by: Dmitry Osipenko --- No changes in v6 No changes in v5 Changed in v4: - Added review tags No changes in v3 No changes in v2 --- drivers/staging/media/tegra-video/tegra210.c | 52 ++++++++++++++++++++ drivers/staging/media/tegra-video/vi.c | 52 ++------------------ drivers/staging/media/tegra-video/vi.h | 5 ++ 3 files changed, 60 insertions(+), 49 deletions(-) diff --git a/drivers/staging/media/tegra-video/tegra210.c b/drivers/staging/media/tegra-video/tegra210.c index b4fcd4e93b8c..da99f19a39e7 100644 --- a/drivers/staging/media/tegra-video/tegra210.c +++ b/drivers/staging/media/tegra-video/tegra210.c @@ -179,6 +179,56 @@ static u32 vi_csi_read(struct tegra_vi_channel *chan, u8 portno, /* * Tegra210 VI channel capture operations */ + +static int tegra210_channel_host1x_syncpt_init(struct tegra_vi_channel *chan) +{ + struct tegra_vi *vi = chan->vi; + unsigned long flags = HOST1X_SYNCPT_CLIENT_MANAGED; + struct host1x_syncpt *fs_sp; + struct host1x_syncpt *mw_sp; + int ret, i; + + for (i = 0; i < chan->numgangports; i++) { + fs_sp = host1x_syncpt_request(&vi->client, flags); + if (!fs_sp) { + dev_err(vi->dev, "failed to request frame start syncpoint\n"); + ret = -ENOMEM; + goto free_syncpts; + } + + mw_sp = host1x_syncpt_request(&vi->client, flags); + if (!mw_sp) { + dev_err(vi->dev, "failed to request memory ack syncpoint\n"); + host1x_syncpt_put(fs_sp); + ret = -ENOMEM; + goto free_syncpts; + } + + chan->frame_start_sp[i] = fs_sp; + chan->mw_ack_sp[i] = mw_sp; + spin_lock_init(&chan->sp_incr_lock[i]); + } + + return 0; + +free_syncpts: + for (i = 0; i < chan->numgangports; i++) { + host1x_syncpt_put(chan->mw_ack_sp[i]); + host1x_syncpt_put(chan->frame_start_sp[i]); + } + return ret; +} + +static void tegra210_channel_host1x_syncpt_free(struct tegra_vi_channel *chan) +{ + int i; + + for (i = 0; i < chan->numgangports; i++) { + host1x_syncpt_put(chan->mw_ack_sp[i]); + host1x_syncpt_put(chan->frame_start_sp[i]); + } +} + static void tegra210_fmt_align(struct v4l2_pix_format *pix, unsigned int bpp) { unsigned int min_bpl; @@ -753,6 +803,8 @@ static const struct tegra_video_format tegra210_video_formats[] = { /* Tegra210 VI operations */ static const struct tegra_vi_ops tegra210_vi_ops = { + .channel_host1x_syncpt_init = tegra210_channel_host1x_syncpt_init, + .channel_host1x_syncpt_free = tegra210_channel_host1x_syncpt_free, .vi_fmt_align = tegra210_fmt_align, .vi_start_streaming = tegra210_vi_start_streaming, .vi_stop_streaming = tegra210_vi_stop_streaming, diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 8df233049c81..b74cdd1d1c82 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -1062,21 +1062,11 @@ static int vi_fmts_bitmap_init(struct tegra_vi_channel *chan) return 0; } -static void tegra_channel_host1x_syncpts_free(struct tegra_vi_channel *chan) -{ - int i; - - for (i = 0; i < chan->numgangports; i++) { - host1x_syncpt_put(chan->mw_ack_sp[i]); - host1x_syncpt_put(chan->frame_start_sp[i]); - } -} - static void tegra_channel_cleanup(struct tegra_vi_channel *chan) { v4l2_ctrl_handler_free(&chan->ctrl_handler); media_entity_cleanup(&chan->video.entity); - tegra_channel_host1x_syncpts_free(chan); + chan->vi->ops->channel_host1x_syncpt_free(chan); mutex_destroy(&chan->video_lock); } @@ -1094,42 +1084,6 @@ void tegra_channels_cleanup(struct tegra_vi *vi) } } -static int tegra_channel_host1x_syncpt_init(struct tegra_vi_channel *chan) -{ - struct tegra_vi *vi = chan->vi; - unsigned long flags = HOST1X_SYNCPT_CLIENT_MANAGED; - struct host1x_syncpt *fs_sp; - struct host1x_syncpt *mw_sp; - int ret, i; - - for (i = 0; i < chan->numgangports; i++) { - fs_sp = host1x_syncpt_request(&vi->client, flags); - if (!fs_sp) { - dev_err(vi->dev, "failed to request frame start syncpoint\n"); - ret = -ENOMEM; - goto free_syncpts; - } - - mw_sp = host1x_syncpt_request(&vi->client, flags); - if (!mw_sp) { - dev_err(vi->dev, "failed to request memory ack syncpoint\n"); - host1x_syncpt_put(fs_sp); - ret = -ENOMEM; - goto free_syncpts; - } - - chan->frame_start_sp[i] = fs_sp; - chan->mw_ack_sp[i] = mw_sp; - spin_lock_init(&chan->sp_incr_lock[i]); - } - - return 0; - -free_syncpts: - tegra_channel_host1x_syncpts_free(chan); - return ret; -} - static int tegra_channel_init(struct tegra_vi_channel *chan) { struct tegra_vi *vi = chan->vi; @@ -1155,7 +1109,7 @@ static int tegra_channel_init(struct tegra_vi_channel *chan) chan->format.sizeimage = chan->format.bytesperline * TEGRA_DEF_HEIGHT; vi->ops->vi_fmt_align(&chan->format, chan->fmtinfo->bpp); - ret = tegra_channel_host1x_syncpt_init(chan); + ret = vi->ops->channel_host1x_syncpt_init(chan); if (ret) return ret; @@ -1218,7 +1172,7 @@ static int tegra_channel_init(struct tegra_vi_channel *chan) cleanup_media: media_entity_cleanup(&chan->video.entity); free_syncpts: - tegra_channel_host1x_syncpts_free(chan); + vi->ops->channel_host1x_syncpt_free(chan); return ret; } diff --git a/drivers/staging/media/tegra-video/vi.h b/drivers/staging/media/tegra-video/vi.h index 886b10e7d723..dfb5870b1411 100644 --- a/drivers/staging/media/tegra-video/vi.h +++ b/drivers/staging/media/tegra-video/vi.h @@ -38,10 +38,13 @@ enum tegra_vi_pg_mode { }; struct tegra_vi; +struct tegra_vi_channel; /** * struct tegra_vi_ops - Tegra VI operations * @vi_enable: soc-specific operations needed to enable/disable the VI peripheral + * @channel_host1x_syncpt_init: initialize synchronization points + * @channel_host1x_syncpt_free: free all synchronization points * @vi_fmt_align: modify `pix` to fit the hardware alignment * requirements and fill image geometry * @vi_start_streaming: starts media pipeline, subdevice streaming, sets up @@ -52,6 +55,8 @@ struct tegra_vi; */ struct tegra_vi_ops { int (*vi_enable)(struct tegra_vi *vi, bool on); + int (*channel_host1x_syncpt_init)(struct tegra_vi_channel *chan); + void (*channel_host1x_syncpt_free)(struct tegra_vi_channel *chan); void (*vi_fmt_align)(struct v4l2_pix_format *pix, unsigned int bpp); int (*vi_start_streaming)(struct vb2_queue *vq, u32 count); void (*vi_stop_streaming)(struct vb2_queue *vq);