path: root/Documentation/fb
diff options
authorMaxime Ripard <>2019-06-19 12:17:51 +0200
committerMaxime Ripard <>2019-06-19 12:17:51 +0200
commit3d46a3007cd8f73bae502bf5c171977b91d7aacc (patch)
tree6d23e7a46871fcf77afffaa194c801784d74006a /Documentation/fb
parent22045e8e52bd802f743f0471242782fc3b479707 (diff)
drm/modes: Parse overscan properties
Properly configuring the overscan properties might be needed for the initial setup of the framebuffer for display that still have overscan. Let's allow for more properties on the kernel command line to setup each margin. Reviewed-by: Noralf Trønnes <> Signed-off-by: Maxime Ripard <> Link:
Diffstat (limited to 'Documentation/fb')
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/fb/modedb.txt b/Documentation/fb/modedb.txt
index 52418c6dbfc4..1dd5a52f9390 100644
--- a/Documentation/fb/modedb.txt
+++ b/Documentation/fb/modedb.txt
@@ -57,6 +57,8 @@ Options can also be passed after the mode, using commas as separator.
Valid options are:
+ - margin_top, margin_bottom, margin_left, margin_right (integer):
+ Number of pixels in the margins, typically to deal with overscan on TVs
- reflect_x (boolean): Perform an axial symmetry on the X axis
- reflect_y (boolean): Perform an axial symmetry on the Y axis
- rotate (integer): Rotate the initial framebuffer by x