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| author |   Arvind Sankar <nivedita@alum.mit.edu> | 2020-03-19 22:00:27 -0400 |
|---|---|---|
| committer |   Ard Biesheuvel <ardb@kernel.org> | 2020-04-23 20:15:06 +0200 |
| commit | 9a1663bc4d9856f6810786fec597dab5440a9d8d (patch) | |
| tree | b25701daefe9cd1d18551446fc2a5feb329dd4c4 /Documentation/fb | |
| parent | efi/gop: Allow specifying mode by <xres>x<yres> (diff) | |
| download | linux-dev-9a1663bc4d9856f6810786fec597dab5440a9d8d.tar.xz linux-dev-9a1663bc4d9856f6810786fec597dab5440a9d8d.zip | |
efi/gop: Allow specifying depth as well as resolution
Extend the video mode argument to handle an optional color depth
specification of the form
video=efifb:<xres>x<yres>[-(rgb|bgr|<bpp>)]
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200320020028.1936003-14-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'Documentation/fb')
| -rw-r--r-- | Documentation/fb/efifb.rst | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/fb/efifb.rst b/Documentation/fb/efifb.rst index 635275071307..eca38466487a 100644 --- a/Documentation/fb/efifb.rst +++ b/Documentation/fb/efifb.rst @@ -50,9 +50,11 @@ mode=n The EFI stub will set the mode of the display to mode number n if possible. -<xres>x<yres> +<xres>x<yres>[-(rgb|bgr|<bpp>)] The EFI stub will search for a display mode that matches the specified - horizontal and vertical resolution, and set the mode of the display to - it if one is found. + horizontal and vertical resolution, and optionally bit depth, and set + the mode of the display to it if one is found. The bit depth can either + "rgb" or "bgr" to match specifically those pixel formats, or a number + for a mode with matching bits per pixel. Edgar Hucek <gimli@dark-green.com> |