From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752820AbeEUOt6 (ORCPT ); Mon, 21 May 2018 10:49:58 -0400 Received: from mga06.intel.com ([134.134.136.31]:43914 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751133AbeEUOtw (ORCPT ); Mon, 21 May 2018 10:49:52 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,426,1520924400"; d="scan'208";a="48503615" Date: Mon, 21 May 2018 17:49:48 +0300 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: Randy Li Cc: dri-devel@lists.freedesktop.org, airlied@linux.ie, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, nicolas.dufresne@collabora.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 1/2] drm/fourcc: add a 10bits fully packed variant of NV12 Message-ID: <20180521144948.GF23723@intel.com> References: <20180520171705.29690-1-ayaka@soulik.info> <20180520171705.29690-2-ayaka@soulik.info> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180520171705.29690-2-ayaka@soulik.info> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 21, 2018 at 01:17:04AM +0800, Randy Li wrote: > This pixel format is a fully packed and 10bits variant of NV12. > A luma pixel would take 10bits in memory, without any > filled bits between pixels in a stride. The color gamut > follows the BT.2020 standard. > > Signed-off-by: Randy Li > --- > drivers/gpu/drm/drm_fourcc.c | 1 + > include/uapi/drm/drm_fourcc.h | 3 +++ > 2 files changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c > index 5ca6395cd4d3..1f43967c4013 100644 > --- a/drivers/gpu/drm/drm_fourcc.c > +++ b/drivers/gpu/drm/drm_fourcc.c > @@ -173,6 +173,7 @@ const struct drm_format_info *__drm_format_info(u32 format) > { .format = DRM_FORMAT_UYVY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 }, > { .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 }, > { .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true }, > + { .format = DRM_FORMAT_NV12_10LE40, .depth = 0, .num_planes = 2, .cpp = { 1, 2, 0 }, .hsub = 2, .vsub = 2 }, > }; > > unsigned int i; > diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h > index e04613d30a13..8eabf01e966f 100644 > --- a/include/uapi/drm/drm_fourcc.h > +++ b/include/uapi/drm/drm_fourcc.h > @@ -140,6 +140,9 @@ extern "C" { > #define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */ > #define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */ > #define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */ > +/* A fully packed variant of NV12_10LE32 */ What does "fully packed" mean? NV12_10LE32 doesn't even exist so referring to it makes no sense. Please try to provide an unambiguous description of new formats like we have for everything else. > +#define DRM_FORMAT_NV12_10LE40 fourcc_code('R', 'K', '2', '0') /* 2x2 subsampled Cr:Cb plane */ > + > > /* > * 3 plane YCbCr > -- > 2.14.3 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Ville Syrjälä Intel