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Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0533-vc4-kms-vc4_plane-Support-2020-colourspace-for-yuv-p.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.10/950-0533-vc4-kms-vc4_plane-Support-2020-colourspace-for-yuv-p.patch105
1 files changed, 105 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0533-vc4-kms-vc4_plane-Support-2020-colourspace-for-yuv-p.patch b/target/linux/bcm27xx/patches-5.10/950-0533-vc4-kms-vc4_plane-Support-2020-colourspace-for-yuv-p.patch
new file mode 100644
index 0000000000..85bccb24be
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0533-vc4-kms-vc4_plane-Support-2020-colourspace-for-yuv-p.patch
@@ -0,0 +1,105 @@
+From f5c7dd20b383a4ab8212736b37940a4339d80e33 Mon Sep 17 00:00:00 2001
+From: Dom Cobley <popcornmix@gmail.com>
+Date: Mon, 12 Apr 2021 17:27:43 +0100
+Subject: [PATCH] vc4/kms: vc4_plane: Support 2020 colourspace for yuv
+ planes
+
+https://gist.github.com/popcornmix/6b3e23103c60170b02b148e0ba5d6ed7
+
+is the script used to generate the 601, 709 and 2020 colourspaces.
+I've regenetated the existing ones using script so it is reprocable
+but there are lsb dfferences compared to values here (copied from spec)
+whose origin is now lost.
+
+Signed-off-by: Dom Cobley <popcornmix@gmail.com>
+---
+ drivers/gpu/drm/vc4/vc4_plane.c | 19 ++++++++++---------
+ drivers/gpu/drm/vc4/vc4_regs.h | 18 ++++++++++++------
+ 2 files changed, 22 insertions(+), 15 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_plane.c
++++ b/drivers/gpu/drm/vc4/vc4_plane.c
+@@ -644,10 +644,10 @@ static const u32 colorspace_coeffs[2][DR
+ SCALER_CSC1_ITR_R_709_3,
+ SCALER_CSC2_ITR_R_709_3,
+ }, {
+- /* BT2020. Not supported yet - copy 601 */
+- SCALER_CSC0_ITR_R_601_5,
+- SCALER_CSC1_ITR_R_601_5,
+- SCALER_CSC2_ITR_R_601_5,
++ /* BT2020 */
++ SCALER_CSC0_ITR_R_2020,
++ SCALER_CSC1_ITR_R_2020,
++ SCALER_CSC2_ITR_R_2020,
+ }
+ }, {
+ /* Full range */
+@@ -662,10 +662,10 @@ static const u32 colorspace_coeffs[2][DR
+ SCALER_CSC1_ITR_R_709_3_FR,
+ SCALER_CSC2_ITR_R_709_3_FR,
+ }, {
+- /* BT2020. Not supported yet - copy JFIF */
+- SCALER_CSC0_JPEG_JFIF,
+- SCALER_CSC1_JPEG_JFIF,
+- SCALER_CSC2_JPEG_JFIF,
++ /* BT2020 */
++ SCALER_CSC0_ITR_R_2020_FR,
++ SCALER_CSC1_ITR_R_2020_FR,
++ SCALER_CSC2_ITR_R_2020_FR,
+ }
+ }
+ };
+@@ -1487,7 +1487,8 @@ struct drm_plane *vc4_plane_init(struct
+
+ drm_plane_create_color_properties(plane,
+ BIT(DRM_COLOR_YCBCR_BT601) |
+- BIT(DRM_COLOR_YCBCR_BT709),
++ 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,
+--- a/drivers/gpu/drm/vc4/vc4_regs.h
++++ b/drivers/gpu/drm/vc4/vc4_regs.h
+@@ -975,8 +975,10 @@ enum hvs_pixel_format {
+ #define SCALER_CSC0_COEF_CR_OFS_SHIFT 0
+ #define SCALER_CSC0_ITR_R_601_5 0x00f00000
+ #define SCALER_CSC0_ITR_R_709_3 0x00f00000
++#define SCALER_CSC0_ITR_R_2020 0x00f00000
+ #define SCALER_CSC0_JPEG_JFIF 0x00000000
+ #define SCALER_CSC0_ITR_R_709_3_FR 0x00000000
++#define SCALER_CSC0_ITR_R_2020_FR 0x00000000
+
+ /* S2.8 contribution of Cb to Green */
+ #define SCALER_CSC1_COEF_CB_GRN_MASK VC4_MASK(31, 22)
+@@ -991,9 +993,11 @@ enum hvs_pixel_format {
+ #define SCALER_CSC1_COEF_CR_BLU_MASK VC4_MASK(1, 0)
+ #define SCALER_CSC1_COEF_CR_BLU_SHIFT 0
+ #define SCALER_CSC1_ITR_R_601_5 0xe73304a8
+-#define SCALER_CSC1_ITR_R_709_3 0xf2b784a8
+-#define SCALER_CSC1_JPEG_JFIF 0xea34a400
+-#define SCALER_CSC1_ITR_R_709_3_FR 0xe23d0400
++#define SCALER_CSC1_ITR_R_709_3 0xf27784a8
++#define SCALER_CSC1_ITR_R_2020 0xf43594a8
++#define SCALER_CSC1_JPEG_JFIF 0xea349400
++#define SCALER_CSC1_ITR_R_709_3_FR 0xf4388400
++#define SCALER_CSC1_ITR_R_2020_FR 0xf5b6d400
+
+ /* S2.8 contribution of Cb to Red */
+ #define SCALER_CSC2_COEF_CB_RED_MASK VC4_MASK(29, 20)
+@@ -1004,10 +1008,12 @@ enum hvs_pixel_format {
+ /* S2.8 contribution of Cb to Blue */
+ #define SCALER_CSC2_COEF_CB_BLU_MASK VC4_MASK(19, 10)
+ #define SCALER_CSC2_COEF_CB_BLU_SHIFT 10
+-#define SCALER_CSC2_ITR_R_601_5 0x00066204
+-#define SCALER_CSC2_ITR_R_709_3 0x00072a1c
+-#define SCALER_CSC2_JPEG_JFIF 0x000599c5
++#define SCALER_CSC2_ITR_R_601_5 0x00066604
++#define SCALER_CSC2_ITR_R_709_3 0x00072e1d
++#define SCALER_CSC2_ITR_R_2020 0x0006b624
++#define SCALER_CSC2_JPEG_JFIF 0x00059dc6
+ #define SCALER_CSC2_ITR_R_709_3_FR 0x00064ddb
++#define SCALER_CSC2_ITR_R_2020_FR 0x0005e5e2
+
+ #define SCALER_TPZ0_VERT_RECALC BIT(31)
+ #define SCALER_TPZ0_SCALE_MASK VC4_MASK(28, 8)