layerscape: add patches-5.4

[openwrt/staging/wigyori.git] / target / linux / layerscape / patches-5.4 / 805-display-0041-drm-fourcc-add-a-10bits-fully-packed-variant-of-NV12.patch

diff --git a/target/linux/layerscape/patches-5.4/805-display-0041-drm-fourcc-add-a-10bits-fully-packed-variant-of-NV12.patch b/target/linux/layerscape/patches-5.4/805-display-0041-drm-fourcc-add-a-10bits-fully-packed-variant-of-NV12.patch
new file mode 100644 (file)
index 0000000..3bccbbd
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/805-display-0041-drm-fourcc-add-a-10bits-fully-packed-variant-of-NV12.patch
@@ -0,0 +1,45 @@
+From 3ef66853a02133244bde79b165d8e5063def5ef4 Mon Sep 17 00:00:00 2001
+From: Randy Li <ayaka@soulik.info>
+Date: Thu, 10 Jan 2019 03:57:10 +0800
+Subject: [PATCH] drm/fourcc: add a 10bits fully packed variant of NV12
+
+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.
+
+Signed-off-by: Randy Li <ayaka@soulik.info>
+Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
+---
+ drivers/gpu/drm/drm_fourcc.c  | 3 +++
+ include/uapi/drm/drm_fourcc.h | 8 ++++++++
+ 2 files changed, 11 insertions(+)
+
+--- a/drivers/gpu/drm/drm_fourcc.c
++++ b/drivers/gpu/drm/drm_fourcc.c
+@@ -261,6 +261,9 @@ const struct drm_format_info *__drm_form
+               { .format = DRM_FORMAT_P016,            .depth = 0,  .num_planes = 2,
+                 .char_per_block = { 2, 4, 0 }, .block_w = { 1, 0, 0 }, .block_h = { 1, 0, 0 },
+                 .hsub = 2, .vsub = 2, .is_yuv = true},
++              { .format = DRM_FORMAT_NV12_10LE40,     .depth = 0,  .num_planes = 2,
++                .char_per_block = { 5, 5, 0 }, .block_w = { 4, 2, 0 }, .block_h = { 1, 1, 0 },
++                .hsub = 2, .vsub = 2, .is_yuv = true },
+               { .format = DRM_FORMAT_P210,            .depth = 0,
+                 .num_planes = 2, .char_per_block = { 2, 4, 0 },
+                 .block_w = { 1, 0, 0 }, .block_h = { 1, 0, 0 }, .hsub = 2,
+--- a/include/uapi/drm/drm_fourcc.h
++++ b/include/uapi/drm/drm_fourcc.h
+@@ -236,6 +236,14 @@ 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  2 plane YCbCr
++ * Y1 0-9, Y2 10-19, Y3 20-29, Y4 20-39
++ * ....
++ * U1V1: 0-19, U2V2: 20-39
++ */
++#define DRM_FORMAT_NV12_10LE40        fourcc_code('R', 'K', '2', '0') /* 2x2 subsampled Cr:Cb plane */
++
+ 
+ /*
+  * 2 plane YCbCr MSB aligned