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| author | David S. Miller <davem@davemloft.net> | 2020-02-21 13:39:34 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-02-21 13:39:34 -0800 |
| commit | e65ee2fb54d4745d7b7d9061d7fe33c5c5bf3b06 (patch) | |
| tree | 04b1728c397ad4604a6163529f51dfd48dfdbc07 /drivers/gpu/drm/drm_modes.c | |
| parent | b4d9785ce5c035b672f25df56706d0ff4e68b74e (diff) | |
| parent | 0c0ddd6ae47c9238c18f475bcca675ca74c9dc31 (diff) | |
| download | linux-e65ee2fb54d4745d7b7d9061d7fe33c5c5bf3b06.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflict resolution of ice_virtchnl_pf.c based upon work by
Stephen Rothwell.
Signed-off-by: David S. Miller <davem@davemloft.net>
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; |