From e300a20e6055de858b8869772fd06682b8644e4f Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Date: Fri, 13 Mar 2026 08:15:23 +0200
Subject: utils: Add -C|--card option

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
 utils/kmstest.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'utils/kmstest.cpp')

diff --git a/utils/kmstest.cpp b/utils/kmstest.cpp
index 36f7409..76b64ca 100644
--- a/utils/kmstest.cpp
+++ b/utils/kmstest.cpp
@@ -400,6 +400,7 @@ static const char* usage_str =
 	"Show a test pattern on a display or plane\n\n"
 	"Options:\n"
 	"      --device=DEVICE       DEVICE is the path to DRM card to open\n"
+	"  -C, --card=NUM            open /dev/dri/card<NUM>\n"
 	"  -c, --connector=CONN      CONN is <connector>\n"
 	"  -r, --crtc=CRTC           CRTC is [<crtc>:]<w>x<h>[@<Hz>]\n"
 	"                            or\n"
@@ -471,6 +472,10 @@ static vector<Arg> parse_cmdline(int argc, char** argv)
 		       [&](string s) {
 			       s_device_path = s;
 		       }),
+		Option("C|card=",
+		       [&](string s) {
+			       s_device_path = "/dev/dri/card" + s;
+		       }),
 		Option("c|connector=",
 		       [&](string s) {
 			       args.push_back(Arg{ ArgType::Connector, s });
-- 
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