linux-kernel - [PATCH 08/10] drm: xlnx: zynqmp: Add support for Y8 and Y10

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20241204-xilinx-formats-v1-8-0bf2c5147db1@ideasonboard.com>
Date: Wed, 04 Dec 2024 11:31:08 +0200
From: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To: Vishal Sagar <vishal.sagar@....com>, 
 Anatoliy Klymenko <anatoliy.klymenko@....com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Michal Simek <michal.simek@....com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Subject: [PATCH 08/10] drm: xlnx: zynqmp: Add support for Y8 and Y10_LE32

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@...asonboard.com>
---
 drivers/gpu/drm/xlnx/zynqmp_disp.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

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 {

-- 
2.43.0