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drm: xlnx: zynqmp: Add support for Y8 and XYYY2101010

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Add support for Y8 and XYYY2101010 formats. We also need to add new csc
matrices for these y-only formats.

Reviewed-by: Vishal Sagar <vishal.sagar@amd.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patch.msgid.link/20260423-xilinx-formats-v10-9-c690c2b8ea89@ideasonboard.com
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen 2026-04-23 17:21:20 +03:00
parent 33822407c4
commit ed920c2abb
1 changed files with 26 additions and 1 deletions
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27
drivers/gpu/drm/xlnx/zynqmp_disp.c
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@ -307,6 +307,16 @@ static const struct zynqmp_disp_format avbuf_vid_fmts[] = {
.buf_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YV16CI_10,
.swap = false,
.sf = scaling_factors_101010,
}, {
.drm_fmt = DRM_FORMAT_Y8,
.buf_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_MONO,
.swap = false,
.sf = scaling_factors_888,
}, {
.drm_fmt = DRM_FORMAT_XYYY2101010,
.buf_fmt = ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YONLY_10,
.swap = false,
.sf = scaling_factors_101010,
},
};
@ -697,6 +707,17 @@ static const u32 csc_sdtv_to_rgb_offsets[] = {
0x0, 0x1800, 0x1800
};
/* In Y-only mode the single Y channel is on the third column */
static const u16 csc_sdtv_to_rgb_yonly_matrix[] = {
0x0, 0x0, 0x1000,
0x0, 0x0, 0x1000,
0x0, 0x0, 0x1000,
};
static const u32 csc_sdtv_to_rgb_yonly_offsets[] = {
0x0, 0x0, 0x0
};
/**
* zynqmp_disp_blend_set_output_format - Set the output format of the blender
* @disp: Display controller
@ -846,7 +867,11 @@ static void zynqmp_disp_blend_layer_enable(struct zynqmp_disp *disp,
ZYNQMP_DISP_V_BLEND_LAYER_CONTROL(layer->id),
val);
if (layer->drm_fmt->is_yuv) {
if (layer->drm_fmt->format == DRM_FORMAT_Y8 ||
layer->drm_fmt->format == DRM_FORMAT_XYYY2101010) {
coeffs = csc_sdtv_to_rgb_yonly_matrix;
offsets = csc_sdtv_to_rgb_yonly_offsets;
} else if (layer->drm_fmt->is_yuv) {
coeffs = csc_sdtv_to_rgb_matrix;
offsets = csc_sdtv_to_rgb_offsets;
} else {