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106 lines
3.8 KiB
Diff
106 lines
3.8 KiB
Diff
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From f5c7dd20b383a4ab8212736b37940a4339d80e33 Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Mon, 12 Apr 2021 17:27:43 +0100
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Subject: [PATCH] vc4/kms: vc4_plane: Support 2020 colourspace for yuv
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planes
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https://gist.github.com/popcornmix/6b3e23103c60170b02b148e0ba5d6ed7
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is the script used to generate the 601, 709 and 2020 colourspaces.
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I've regenetated the existing ones using script so it is reprocable
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but there are lsb dfferences compared to values here (copied from spec)
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whose origin is now lost.
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 19 ++++++++++---------
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drivers/gpu/drm/vc4/vc4_regs.h | 18 ++++++++++++------
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2 files changed, 22 insertions(+), 15 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -644,10 +644,10 @@ static const u32 colorspace_coeffs[2][DR
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SCALER_CSC1_ITR_R_709_3,
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SCALER_CSC2_ITR_R_709_3,
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}, {
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- /* BT2020. Not supported yet - copy 601 */
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- SCALER_CSC0_ITR_R_601_5,
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- SCALER_CSC1_ITR_R_601_5,
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- SCALER_CSC2_ITR_R_601_5,
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+ /* BT2020 */
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+ SCALER_CSC0_ITR_R_2020,
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+ SCALER_CSC1_ITR_R_2020,
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+ SCALER_CSC2_ITR_R_2020,
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}
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}, {
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/* Full range */
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@@ -662,10 +662,10 @@ static const u32 colorspace_coeffs[2][DR
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SCALER_CSC1_ITR_R_709_3_FR,
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SCALER_CSC2_ITR_R_709_3_FR,
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}, {
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- /* BT2020. Not supported yet - copy JFIF */
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- SCALER_CSC0_JPEG_JFIF,
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- SCALER_CSC1_JPEG_JFIF,
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- SCALER_CSC2_JPEG_JFIF,
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+ /* BT2020 */
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+ SCALER_CSC0_ITR_R_2020_FR,
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+ SCALER_CSC1_ITR_R_2020_FR,
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+ SCALER_CSC2_ITR_R_2020_FR,
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}
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}
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};
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@@ -1487,7 +1487,8 @@ struct drm_plane *vc4_plane_init(struct
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drm_plane_create_color_properties(plane,
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BIT(DRM_COLOR_YCBCR_BT601) |
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- BIT(DRM_COLOR_YCBCR_BT709),
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+ BIT(DRM_COLOR_YCBCR_BT709) |
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+ BIT(DRM_COLOR_YCBCR_BT2020),
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BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
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BIT(DRM_COLOR_YCBCR_FULL_RANGE),
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DRM_COLOR_YCBCR_BT709,
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--- a/drivers/gpu/drm/vc4/vc4_regs.h
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+++ b/drivers/gpu/drm/vc4/vc4_regs.h
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@@ -975,8 +975,10 @@ enum hvs_pixel_format {
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#define SCALER_CSC0_COEF_CR_OFS_SHIFT 0
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#define SCALER_CSC0_ITR_R_601_5 0x00f00000
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#define SCALER_CSC0_ITR_R_709_3 0x00f00000
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+#define SCALER_CSC0_ITR_R_2020 0x00f00000
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#define SCALER_CSC0_JPEG_JFIF 0x00000000
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#define SCALER_CSC0_ITR_R_709_3_FR 0x00000000
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+#define SCALER_CSC0_ITR_R_2020_FR 0x00000000
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/* S2.8 contribution of Cb to Green */
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#define SCALER_CSC1_COEF_CB_GRN_MASK VC4_MASK(31, 22)
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@@ -991,9 +993,11 @@ enum hvs_pixel_format {
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#define SCALER_CSC1_COEF_CR_BLU_MASK VC4_MASK(1, 0)
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#define SCALER_CSC1_COEF_CR_BLU_SHIFT 0
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#define SCALER_CSC1_ITR_R_601_5 0xe73304a8
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-#define SCALER_CSC1_ITR_R_709_3 0xf2b784a8
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-#define SCALER_CSC1_JPEG_JFIF 0xea34a400
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-#define SCALER_CSC1_ITR_R_709_3_FR 0xe23d0400
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+#define SCALER_CSC1_ITR_R_709_3 0xf27784a8
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+#define SCALER_CSC1_ITR_R_2020 0xf43594a8
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+#define SCALER_CSC1_JPEG_JFIF 0xea349400
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+#define SCALER_CSC1_ITR_R_709_3_FR 0xf4388400
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+#define SCALER_CSC1_ITR_R_2020_FR 0xf5b6d400
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/* S2.8 contribution of Cb to Red */
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#define SCALER_CSC2_COEF_CB_RED_MASK VC4_MASK(29, 20)
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@@ -1004,10 +1008,12 @@ enum hvs_pixel_format {
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/* S2.8 contribution of Cb to Blue */
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#define SCALER_CSC2_COEF_CB_BLU_MASK VC4_MASK(19, 10)
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#define SCALER_CSC2_COEF_CB_BLU_SHIFT 10
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-#define SCALER_CSC2_ITR_R_601_5 0x00066204
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-#define SCALER_CSC2_ITR_R_709_3 0x00072a1c
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-#define SCALER_CSC2_JPEG_JFIF 0x000599c5
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+#define SCALER_CSC2_ITR_R_601_5 0x00066604
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+#define SCALER_CSC2_ITR_R_709_3 0x00072e1d
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+#define SCALER_CSC2_ITR_R_2020 0x0006b624
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+#define SCALER_CSC2_JPEG_JFIF 0x00059dc6
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#define SCALER_CSC2_ITR_R_709_3_FR 0x00064ddb
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+#define SCALER_CSC2_ITR_R_2020_FR 0x0005e5e2
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#define SCALER_TPZ0_VERT_RECALC BIT(31)
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#define SCALER_TPZ0_SCALE_MASK VC4_MASK(28, 8)
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