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drm/modes: parse_cmdline: Add freestanding argument to drm_mode_parse_cmdline_options()

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Add a freestanding function argument to drm_mode_parse_cmdline_options()
similar to how drm_mode_parse_cmdline_extra() already has this.

This is a preparation patch for allowing parsing of stand-alone options
without a mode before them, e.g.: video=HDMI-1:margin_right=14,...

Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191118155134.30468-6-hdegoede@redhat.com
This commit is contained in:
Hans de Goede 2019-11-18 16:51:27 +01:00
parent 739b200c2e
commit 99e2716e05
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/drm_modes.c
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@ -1592,6 +1592,7 @@ static int drm_mode_parse_cmdline_int(const char *delim, unsigned int *int_ret)
}
static int drm_mode_parse_cmdline_options(const char *str,
bool freestanding,
const struct drm_connector *connector,
struct drm_cmdline_mode *mode)
{
@ -1663,6 +1664,9 @@ static int drm_mode_parse_cmdline_options(const char *str,
option = sep + 1;
} while (sep);
if (rotation && freestanding)
return -EINVAL;
mode->rotation_reflection = rotation;
return 0;
@ -1855,6 +1859,7 @@ bool drm_mode_parse_command_line_for_connector(const char *mode_option,
if (options_ptr) {
ret = drm_mode_parse_cmdline_options(options_ptr + 1,
false,
connector, mode);
if (ret)
return false;