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| author | Ingo Molnar <mingo@kernel.org> | 2020-03-06 11:56:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-03-06 11:56:40 +0100 |
| commit | 1941011a8bd26f01f36f827d5ebc6469749485bb (patch) | |
| tree | 841ae1b789ec642bad8782b2e2bf0eda8ac514db /drivers/gpu/drm/drm_modes.c | |
| parent | fdb64822443ec9fb8c3a74b598a74790ae8d2e22 (diff) | |
| parent | b95b4d5ef061806fde07a6a3255e6c07f4fed0d3 (diff) | |
Merge branch 'perf/urgent' into perf/core, to pick up the latest fixes
Signed-off-by: Ingo Molnar <mingo@kernel.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; |