drm/modes: parse_cmdline: Allow specifying stand-alone options

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Some options which can be specified on the commandline, such as
margin_right=..., margin_left=..., etc. are applied not only to the
specified mode, but to all modes. As such it would be nice if the user
can simply say e.g.
video=HDMI-1:margin_right=14,margin_left=24,margin_bottom=36,margin_top=42

This commit refactors drm_mode_parse_command_line_for_connector() to
add support for this, and as a nice side effect also cleans up the
function a bit.

Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191118155134.30468-8-hdegoede@redhat.com

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This commit is contained in:

Hans de Goede 2019-11-18 16:51:29 +01:00

parent 6a2d163756

commit 7b1cce760a

3 changed files with 86 additions and 58 deletions

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92

drivers/gpu/drm/drm_modes.c

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2

drivers/gpu/drm/selftests/drm_cmdline_selftests.h

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50

drivers/gpu/drm/selftests/test-drm_cmdline_parser.c

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