brcm2708: rename target to bcm27xx

This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Despite, since subtargets range from bcm2708 to bcm2711, it seems
appropriate to use bcm27xx instead of bcm2708 (again, as already done
for BOARDNAME).

This also renames the packages brcm2708-userland and brcm2708-gpu-fw.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 110 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-4.19/950-0594-drm-vc4-Add-support-for-color-encoding-on-YUV-planes.patch b/target/linux/bcm27xx/patches-4.19/950-0594-drm-vc4-Add-support-for-color-encoding-on-YUV-planes.patch
new file mode 100644
index 0000000000..ad3732d484
--- /dev/null
+++ b/target/linux/bcm27xx/patches-4.19/950-0594-drm-vc4-Add-support-for-color-encoding-on-YUV-planes.patch
@@ -0,0 +1,110 @@
+From ee96684cb2f528ad1036ae9a9126c9118a80dfbe Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Mon, 24 Jun 2019 02:29:40 +0100
+Subject: [PATCH] drm/vc4: Add support for color encoding on YUV planes
+
+Adds signalling for BT601/709/2020, and limited/full range
+(on BT601).
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 32 +++++++++++++++++++++++++-
+ drivers/gpu/drm/vc4/vc_image_types.h   | 28 ++++++++++++++++++++++
+ 2 files changed, 59 insertions(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -66,7 +66,7 @@ struct set_plane {
+ 	u8 alpha;
+ 	u8 num_planes;
+ 	u8 is_vu;
+-	u8 padding;
++	u8 color_encoding;
+ 
+ 	u32 planes[4];  /* DMA address of each plane */
+ 
+@@ -454,6 +454,28 @@ static void vc4_plane_atomic_update(stru
+ 		if (num_planes == 3 &&
+ 		    (fb->offsets[2] - fb->offsets[1]) == fb->pitches[1])
+ 			mb->plane.vc_image_type = VC_IMAGE_YUV420_S;
++
++		switch (state->color_encoding) {
++		default:
++		case DRM_COLOR_YCBCR_BT601:
++			if (state->color_range == DRM_COLOR_YCBCR_LIMITED_RANGE)
++				mb->plane.color_encoding =
++						VC_IMAGE_YUVINFO_CSC_ITUR_BT601;
++			else
++				mb->plane.color_encoding =
++						VC_IMAGE_YUVINFO_CSC_JPEG_JFIF;
++			break;
++		case DRM_COLOR_YCBCR_BT709:
++			/* Currently no support for a full range BT709 */
++			mb->plane.color_encoding =
++						VC_IMAGE_YUVINFO_CSC_ITUR_BT709;
++			break;
++		case DRM_COLOR_YCBCR_BT2020:
++			/* Currently no support for a full range BT2020 */
++			mb->plane.color_encoding =
++					VC_IMAGE_YUVINFO_CSC_REC_2020;
++			break;
++		}
+ 	} else {
+ 		mb->plane.planes[1] = 0;
+ 		mb->plane.planes[2] = 0;
+@@ -643,6 +665,14 @@ static struct drm_plane *vc4_fkms_plane_
+ 	drm_plane_create_alpha_property(plane);
+ 	drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0,
+ 					   SUPPORTED_ROTATIONS);
++	drm_plane_create_color_properties(plane,
++					  BIT(DRM_COLOR_YCBCR_BT601) |
++					  BIT(DRM_COLOR_YCBCR_BT709) |
++					  BIT(DRM_COLOR_YCBCR_BT2020),
++					  BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
++					  BIT(DRM_COLOR_YCBCR_FULL_RANGE),
++					  DRM_COLOR_YCBCR_BT709,
++					  DRM_COLOR_YCBCR_LIMITED_RANGE);
+ 
+ 	/*
+ 	 * Default frame buffer setup is with FB on -127, and raspistill etc
+--- a/drivers/gpu/drm/vc4/vc_image_types.h
++++ b/drivers/gpu/drm/vc4/vc_image_types.h
+@@ -4,6 +4,8 @@
+  *
+  * Values taken from vc_image_types.h released by Broadcom at
+  * https://github.com/raspberrypi/userland/blob/master/interface/vctypes/vc_image_types.h
++ * and vc_image_structs.h at
++ * https://github.com/raspberrypi/userland/blob/master/interface/vctypes/vc_image_structs.h
+  *
+  * This program is free software; you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License version 2 as
+@@ -141,3 +143,29 @@ enum {
+ 	VC_IMAGE_MAX,     /* bounds for error checking */
+ 	VC_IMAGE_FORCE_ENUM_16BIT = 0xffff,
+ };
++
++enum {
++	/* Unknown or unset - defaults to BT601 interstitial */
++	VC_IMAGE_YUVINFO_UNSPECIFIED    = 0,
++
++	/* colour-space conversions data [4 bits] */
++
++	/* ITU-R BT.601-5 [SDTV] (compatible with VideoCore-II) */
++	VC_IMAGE_YUVINFO_CSC_ITUR_BT601      = 1,
++	/* ITU-R BT.709-3 [HDTV] */
++	VC_IMAGE_YUVINFO_CSC_ITUR_BT709      = 2,
++	/* JPEG JFIF */
++	VC_IMAGE_YUVINFO_CSC_JPEG_JFIF       = 3,
++	/* Title 47 Code of Federal Regulations (2003) 73.682 (a) (20) */
++	VC_IMAGE_YUVINFO_CSC_FCC             = 4,
++	/* Society of Motion Picture and Television Engineers 240M (1999) */
++	VC_IMAGE_YUVINFO_CSC_SMPTE_240M      = 5,
++	/* ITU-R BT.470-2 System M */
++	VC_IMAGE_YUVINFO_CSC_ITUR_BT470_2_M  = 6,
++	/* ITU-R BT.470-2 System B,G */
++	VC_IMAGE_YUVINFO_CSC_ITUR_BT470_2_BG = 7,
++	/* JPEG JFIF, but with 16..255 luma */
++	VC_IMAGE_YUVINFO_CSC_JPEG_JFIF_Y16_255 = 8,
++	/* Rec 2020 */
++	VC_IMAGE_YUVINFO_CSC_REC_2020        = 9,
++};