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| author | Arnaldo Carvalho de Melo <[email protected]> | 2020-03-04 13:29:19 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2020-03-04 13:29:19 +0000 |
| commit | d46eec8e975a8180e178e01ba505801c44bc9a6c (patch) | |
| tree | bff067e554fc03c576e107297085d30c8e381370 /drivers/gpu/drm/drm_modes.c | |
| parent | perf/x86: Add Intel Tiger Lake uncore support (diff) | |
| parent | perf diff: Fix undefined string comparison spotted by clang's -Wstring-compare (diff) | |
| download | kernel-d46eec8e975a8180e178e01ba505801c44bc9a6c.tar.gz kernel-d46eec8e975a8180e178e01ba505801c44bc9a6c.zip | |
Merge remote-tracking branch 'acme/perf/urgent' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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; |