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46 lines
1.9 KiB
Diff
46 lines
1.9 KiB
Diff
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From 3ef66853a02133244bde79b165d8e5063def5ef4 Mon Sep 17 00:00:00 2001
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From: Randy Li <ayaka@soulik.info>
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Date: Thu, 10 Jan 2019 03:57:10 +0800
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Subject: [PATCH] drm/fourcc: add a 10bits fully packed variant of NV12
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This pixel format is a fully packed and 10bits variant of NV12.
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A luma pixel would take 10bits in memory, without any
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filled bits between pixels in a stride.
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Signed-off-by: Randy Li <ayaka@soulik.info>
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Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
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---
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drivers/gpu/drm/drm_fourcc.c | 3 +++
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include/uapi/drm/drm_fourcc.h | 8 ++++++++
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2 files changed, 11 insertions(+)
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--- a/drivers/gpu/drm/drm_fourcc.c
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+++ b/drivers/gpu/drm/drm_fourcc.c
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@@ -261,6 +261,9 @@ const struct drm_format_info *__drm_form
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{ .format = DRM_FORMAT_P016, .depth = 0, .num_planes = 2,
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.char_per_block = { 2, 4, 0 }, .block_w = { 1, 0, 0 }, .block_h = { 1, 0, 0 },
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.hsub = 2, .vsub = 2, .is_yuv = true},
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+ { .format = DRM_FORMAT_NV12_10LE40, .depth = 0, .num_planes = 2,
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+ .char_per_block = { 5, 5, 0 }, .block_w = { 4, 2, 0 }, .block_h = { 1, 1, 0 },
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+ .hsub = 2, .vsub = 2, .is_yuv = true },
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{ .format = DRM_FORMAT_P210, .depth = 0,
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.num_planes = 2, .char_per_block = { 2, 4, 0 },
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.block_w = { 1, 0, 0 }, .block_h = { 1, 0, 0 }, .hsub = 2,
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--- a/include/uapi/drm/drm_fourcc.h
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+++ b/include/uapi/drm/drm_fourcc.h
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@@ -236,6 +236,14 @@ extern "C" {
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#define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */
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#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /* non-subsampled Cr:Cb plane */
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#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /* non-subsampled Cb:Cr plane */
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+/*
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+ * A fully packed 2 plane YCbCr
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+ * Y1 0-9, Y2 10-19, Y3 20-29, Y4 20-39
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+ * ....
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+ * U1V1: 0-19, U2V2: 20-39
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+ */
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+#define DRM_FORMAT_NV12_10LE40 fourcc_code('R', 'K', '2', '0') /* 2x2 subsampled Cr:Cb plane */
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+
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/*
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* 2 plane YCbCr MSB aligned
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