From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pb0-f41.google.com ([209.85.160.41]:34984 "EHLO mail-pb0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932324AbaFZBHg (ORCPT ); Wed, 25 Jun 2014 21:07:36 -0400 Received: by mail-pb0-f41.google.com with SMTP id ma3so2408275pbc.28 for ; Wed, 25 Jun 2014 18:07:35 -0700 (PDT) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam Subject: [PATCH 25/28] gpu: ipu-cpmem: Add second buffer support to ipu_cpmem_set_image() Date: Wed, 25 Jun 2014 18:05:52 -0700 Message-Id: <1403744755-24944-26-git-send-email-steve_longerbeam@mentor.com> In-Reply-To: <1403744755-24944-1-git-send-email-steve_longerbeam@mentor.com> References: <1403744755-24944-1-git-send-email-steve_longerbeam@mentor.com> Sender: linux-media-owner@vger.kernel.org List-ID: Add a second buffer physaddr to struct ipu_image, for double-buffering support. Signed-off-by: Steve Longerbeam --- drivers/gpu/ipu-v3/ipu-cpmem.c | 32 ++++++++++++++++---------------- include/video/imx-ipu-v3.h | 3 ++- 2 files changed, 18 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c index f52e4b4..cfe2f53 100644 --- a/drivers/gpu/ipu-v3/ipu-cpmem.c +++ b/drivers/gpu/ipu-v3/ipu-cpmem.c @@ -538,7 +538,7 @@ EXPORT_SYMBOL_GPL(ipu_cpmem_set_fmt); int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) { struct v4l2_pix_format *pix = &image->pix; - int y_offset, u_offset, v_offset; + int offset, y_offset, u_offset, v_offset; pr_debug("%s: resolution: %dx%d stride: %d\n", __func__, pix->width, pix->height, @@ -560,30 +560,30 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, pix->bytesperline, u_offset, v_offset); - ipu_cpmem_set_buffer(ch, 0, image->phys + y_offset); + ipu_cpmem_set_buffer(ch, 0, image->phys0 + y_offset); + ipu_cpmem_set_buffer(ch, 1, image->phys1 + y_offset); break; case V4L2_PIX_FMT_UYVY: case V4L2_PIX_FMT_YUYV: - ipu_cpmem_set_buffer(ch, 0, image->phys + - image->rect.left * 2 + - image->rect.top * image->pix.bytesperline); + case V4L2_PIX_FMT_RGB565: + offset = image->rect.left * 2 + + image->rect.top * pix->bytesperline; + ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset); + ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset); break; case V4L2_PIX_FMT_RGB32: case V4L2_PIX_FMT_BGR32: - ipu_cpmem_set_buffer(ch, 0, image->phys + - image->rect.left * 4 + - image->rect.top * image->pix.bytesperline); - break; - case V4L2_PIX_FMT_RGB565: - ipu_cpmem_set_buffer(ch, 0, image->phys + - image->rect.left * 2 + - image->rect.top * image->pix.bytesperline); + offset = image->rect.left * 4 + + image->rect.top * pix->bytesperline; + ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset); + ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset); break; case V4L2_PIX_FMT_RGB24: case V4L2_PIX_FMT_BGR24: - ipu_cpmem_set_buffer(ch, 0, image->phys + - image->rect.left * 3 + - image->rect.top * image->pix.bytesperline); + offset = image->rect.left * 3 + + image->rect.top * pix->bytesperline; + ipu_cpmem_set_buffer(ch, 0, image->phys0 + offset); + ipu_cpmem_set_buffer(ch, 1, image->phys1 + offset); break; default: return -EINVAL; diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h index 3d3cea0..542652f 100644 --- a/include/video/imx-ipu-v3.h +++ b/include/video/imx-ipu-v3.h @@ -221,7 +221,8 @@ struct ipu_rgb { struct ipu_image { struct v4l2_pix_format pix; struct v4l2_rect rect; - dma_addr_t phys; + dma_addr_t phys0; + dma_addr_t phys1; }; void ipu_cpmem_zero(struct ipuv3_channel *ch); -- 1.7.9.5