From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham 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 568C1C43331 for ; Mon, 30 Mar 2020 19:13:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 29A3720784 for ; Mon, 30 Mar 2020 19:13:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727750AbgC3TN0 (ORCPT ); Mon, 30 Mar 2020 15:13:26 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:35636 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726672AbgC3TN0 (ORCPT ); Mon, 30 Mar 2020 15:13:26 -0400 Received: from [IPv6:2804:431:e7cc:11ff:4f80:3de:e2b2:5c1d] (unknown [IPv6:2804:431:e7cc:11ff:4f80:3de:e2b2:5c1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: koike) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 8095728D7FC; Mon, 30 Mar 2020 20:13:22 +0100 (BST) Subject: Re: [PATCH 3/4] media: staging: rkisp1: cap: support uv swapped plane formats To: Dafna Hirschfeld , linux-media@vger.kernel.org, ezequiel@collabora.com, hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com, sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org, mchehab@kernel.org, laurent.pinchart@ideasonboard.com References: <20200326201610.31762-1-dafna.hirschfeld@collabora.com> <20200326201610.31762-4-dafna.hirschfeld@collabora.com> From: Helen Koike Message-ID: <3e3ff331-577c-505e-a7e3-ee5071de0bc3@collabora.com> Date: Mon, 30 Mar 2020 16:13:17 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: <20200326201610.31762-4-dafna.hirschfeld@collabora.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On 3/26/20 5:16 PM, Dafna Hirschfeld wrote: > Plane formats with the u and v planes swapped can be > supported by changing the address of the cb and cr in > the buffer. > > Signed-off-by: Dafna Hirschfeld Acked-by: Helen Koike > --- > drivers/staging/media/rkisp1/rkisp1-capture.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c > index fa2849209433..2d274e8f565b 100644 > --- a/drivers/staging/media/rkisp1/rkisp1-capture.c > +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c > @@ -41,6 +41,10 @@ > (((write_format) == RKISP1_MI_CTRL_MP_WRITE_YUV_SPLA) || \ > ((write_format) == RKISP1_MI_CTRL_SP_WRITE_SPLA)) > > +#define RKISP1_IS_PLANAR(write_format) \ > + (((write_format) == RKISP1_MI_CTRL_SP_WRITE_PLA) || \ > + ((write_format) == RKISP1_MI_CTRL_MP_WRITE_YUV_PLA_OR_RAW8)) > + > enum rkisp1_plane { > RKISP1_PLANE_Y = 0, > RKISP1_PLANE_CB = 1, > @@ -788,6 +792,19 @@ static void rkisp1_vb2_buf_queue(struct vb2_buffer *vb) > rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_CB); > } > > + /* > + * uv swap can be supported for plane formats by switching > + * the address of cb and cr > + */ > + if (RKISP1_IS_PLANAR(cap->pix.cfg->write_format) && > + cap->pix.cfg->uv_swap) { > + ispbuf->buff_addr[RKISP1_PLANE_CR] = > + ispbuf->buff_addr[RKISP1_PLANE_CB]; > + ispbuf->buff_addr[RKISP1_PLANE_CB] = > + ispbuf->buff_addr[RKISP1_PLANE_CR] + > + rkisp1_pixfmt_comp_size(pixm, RKISP1_PLANE_CR); > + } > + > spin_lock_irqsave(&cap->buf.lock, flags); > > /* >