diff options
| author | Sonika Jindal <sonika.jindal@intel.com> | 2015-05-20 08:10:48 (GMT) |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-05-20 09:26:12 (GMT) |
| commit | 1e8df16778b0d8fd8102b3ee799b028f8f961089 (patch) | |
| tree | 71fa5d8d4f64f0ca3fdcdd8af3b32a7196be09a8 /drivers | |
| parent | 7546a38411fc3eb9e0ff1252718b0bf6579c87f6 (diff) | |
| download | linux-1e8df16778b0d8fd8102b3ee799b028f8f961089.tar.xz | |
drm/i915/skl: Swapping 90 and 270 to be compliant with Xrandr
Since DRM_ROTATE is counter clockwise (which is compliant with Xrandr),
and HW rotation is clockwise, swapping 90/270 to work as expected from
userspace.
v2: Rebased
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 4a34709..c97b496 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3010,12 +3010,16 @@ u32 skl_plane_ctl_rotation(unsigned int rotation) switch (rotation) { case BIT(DRM_ROTATE_0): break; + /* + * DRM_ROTATE_ is counter clockwise to stay compatible with Xrandr + * while i915 HW rotation is clockwise, thats why this swapping. + */ case BIT(DRM_ROTATE_90): - return PLANE_CTL_ROTATE_90; + return PLANE_CTL_ROTATE_270; case BIT(DRM_ROTATE_180): return PLANE_CTL_ROTATE_180; case BIT(DRM_ROTATE_270): - return PLANE_CTL_ROTATE_270; + return PLANE_CTL_ROTATE_90; default: MISSING_CASE(rotation); } |