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| author | Stephan Gerhold <stephan@gerhold.net> | 2020-01-17 18:34:28 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-02-12 20:32:54 +0300 |
| commit | e6980a727154b793adb218fbc7b4d6af52a7e364 (patch) | |
| tree | 58a26439682312847d2ffc5c7e690c94c78e57c2 /drivers/gpu/drm/drm_client_modeset.c | |
| parent | b50f4f940b736b63df1d8a0ddcd28f0a580233eb (diff) | |
| download | linux-e6980a727154b793adb218fbc7b4d6af52a7e364.tar.xz | |
drm/modes: Make sure to parse valid rotation value from cmdline
A rotation value should have exactly one rotation angle.
At the moment there is no validation for this when parsing video=
parameters from the command line. This causes problems later on
when we try to combine the command line rotation with the panel
orientation.
To make sure that we generate a valid rotation value:
- Set DRM_MODE_ROTATE_0 by default (if no rotate= option is set)
- Validate that there is exactly one rotation angle set
(i.e. specifying the rotate= option multiple times is invalid)
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200117153429.54700-2-stephan@gerhold.net
Diffstat (limited to 'drivers/gpu/drm/drm_client_modeset.c')
0 files changed, 0 insertions, 0 deletions