diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0262-drm-vc4-Add-support-for-color-encoding-on-YUV-planes.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0262-drm-vc4-Add-support-for-color-encoding-on-YUV-planes.patch | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0262-drm-vc4-Add-support-for-color-encoding-on-YUV-planes.patch b/target/linux/bcm27xx/patches-5.4/950-0262-drm-vc4-Add-support-for-color-encoding-on-YUV-planes.patch new file mode 100644 index 0000000000..619eb811cd --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0262-drm-vc4-Add-support-for-color-encoding-on-YUV-planes.patch @@ -0,0 +1,110 @@ +From 07f4c75cfa18cedfd192010c50cd62921b5a00ed 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 +@@ -69,7 +69,7 @@ struct set_plane { + u8 alpha; + u8 num_planes; + u8 is_vu; +- u8 padding; ++ u8 color_encoding; + + u32 planes[4]; /* DMA address of each plane */ + +@@ -456,6 +456,28 @@ 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; +@@ -644,6 +666,14 @@ 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, ++}; |