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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-24 10:27:54 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-24 10:27:54 +0300 |
commit | 1f836f5b10f2524d33efde47d2b694b861ecf319 (patch) | |
tree | b52188b30d08bff1fe6376832753ca5e0a7e9d15 /drivers/gpu/drm/drm_modes.c | |
parent | a27ad0f7da7ba3d4cf50a08ee5e2cb4b578a4a4c (diff) | |
parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
download | linux-1f836f5b10f2524d33efde47d2b694b861ecf319.tar.xz |
Merge 5.6-rc3 into char-misc-next
We need the char/misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
-rw-r--r-- | drivers/gpu/drm/drm_modes.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 10336b144c72..d4d64518e11b 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -1698,6 +1698,13 @@ static int drm_mode_parse_cmdline_options(const char *str, if (rotation && freestanding) return -EINVAL; + if (!(rotation & DRM_MODE_ROTATE_MASK)) + rotation |= DRM_MODE_ROTATE_0; + + /* Make sure there is exactly one rotation defined */ + if (!is_power_of_2(rotation & DRM_MODE_ROTATE_MASK)) + return -EINVAL; + mode->rotation_reflection = rotation; return 0; |