From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from perceval.ideasonboard.com ([213.167.242.64]:34274 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726966AbeINPgm (ORCPT ); Fri, 14 Sep 2018 11:36:42 -0400 From: Laurent Pinchart To: Kieran Bingham Cc: mchehab@kernel.org, linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/6] media: vsp1: Remove artificial pixel limitation Date: Fri, 14 Sep 2018 13:23:04 +0300 Message-ID: <3874771.GdJIGdZf8f@avalon> In-Reply-To: <20180831144044.31713-2-kieran.bingham+renesas@ideasonboard.com> References: <20180831144044.31713-1-kieran.bingham+renesas@ideasonboard.com> <20180831144044.31713-2-kieran.bingham+renesas@ideasonboard.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-media-owner@vger.kernel.org List-ID: Hi Kieran, Thank you for the patch. On Friday, 31 August 2018 17:40:39 EEST Kieran Bingham wrote: > The VSP1 has a minimum width and height of a single pixel, with the > exception of pixel formats with sub-sampling. > > Remove the artificial minimum width and minimum height limitation, and > instead clamp the minimum dimensions based upon the sub-sampling > parameter of that dimension. > > Signed-off-by: Kieran Bingham Reviewed-by: Laurent Pinchart and applied to my tree. > --- > drivers/media/platform/vsp1/vsp1_video.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/drivers/media/platform/vsp1/vsp1_video.c > b/drivers/media/platform/vsp1/vsp1_video.c index 81d47a09d7bc..e78eadd0295b > 100644 > --- a/drivers/media/platform/vsp1/vsp1_video.c > +++ b/drivers/media/platform/vsp1/vsp1_video.c > @@ -38,9 +38,7 @@ > #define VSP1_VIDEO_DEF_WIDTH 1024 > #define VSP1_VIDEO_DEF_HEIGHT 768 > > -#define VSP1_VIDEO_MIN_WIDTH 2U > #define VSP1_VIDEO_MAX_WIDTH 8190U > -#define VSP1_VIDEO_MIN_HEIGHT 2U > #define VSP1_VIDEO_MAX_HEIGHT 8190U > > /* > --------------------------------------------------------------------------- > -- @@ -136,9 +134,8 @@ static int __vsp1_video_try_format(struct vsp1_video > *video, height = round_down(height, info->vsub); > > /* Clamp the width and height. */ > - pix->width = clamp(width, VSP1_VIDEO_MIN_WIDTH, VSP1_VIDEO_MAX_WIDTH); > - pix->height = clamp(height, VSP1_VIDEO_MIN_HEIGHT, > - VSP1_VIDEO_MAX_HEIGHT); > + pix->width = clamp(width, info->hsub, VSP1_VIDEO_MAX_WIDTH); > + pix->height = clamp(height, info->vsub, VSP1_VIDEO_MAX_HEIGHT); > > /* > * Compute and clamp the stride and image size. While not documented in -- Regards, Laurent Pinchart