diff mbox series

[08/10] drm: xlnx: zynqmp: Add support for Y8 and Y10_LE32

Message ID 20241204-xilinx-formats-v1-8-0bf2c5147db1@ideasonboard.com (mailing list archive)
State New
Headers show
Series drm: Add new pixel formats for Xilinx Zynqmp | expand

Commit Message

Tomi Valkeinen Dec. 4, 2024, 9:31 a.m. UTC 
Add support for Y8 and Y10_LE32 formats. We also need to add new csc
matrices for the y-only formats.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 drivers/gpu/drm/xlnx/zynqmp_disp.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c b/drivers/gpu/drm/xlnx/zynqmp_disp.c
index 3998754e367e..44cfee6a0e32 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
@@ -309,6 +309,16 @@  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_Y10_LE32,
+		.buf_fmt	= ZYNQMP_DISP_AV_BUF_FMT_NL_VID_YONLY_10,
+		.swap		= false,
+		.sf		= scaling_factors_101010,
 	},
 };
 
@@ -699,6 +709,16 @@  static const u32 csc_sdtv_to_rgb_offsets[] = {
 	0x0, 0x1800, 0x1800
 };
 
+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[] = {
+	0x1800, 0x1800, 0x0
+};
+
 /**
  * zynqmp_disp_blend_set_output_format - Set the output format of the blender
  * @disp: Display controller
@@ -848,7 +868,11 @@  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_Y10_LE32) {
+		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 {