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path: root/drivers/gpu/drm/i915/intel_atomic_plane.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_atomic_plane.c')
-rw-r--r--drivers/gpu/drm/i915/intel_atomic_plane.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
index cb5594411bb6..71a0433cd6c3 100644
--- a/drivers/gpu/drm/i915/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
@@ -106,6 +106,7 @@ intel_plane_destroy_state(struct drm_plane *plane,
static int intel_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
+ struct drm_i915_private *dev_priv = to_i915(plane->dev);
struct drm_crtc *crtc = state->crtc;
struct intel_crtc *intel_crtc;
struct intel_crtc_state *crtc_state;
@@ -167,6 +168,14 @@ static int intel_plane_atomic_check(struct drm_plane *plane,
}
}
+ /* CHV ignores the mirror bit when the rotate bit is set :( */
+ if (IS_CHERRYVIEW(dev_priv) &&
+ state->rotation & DRM_ROTATE_180 &&
+ state->rotation & DRM_REFLECT_X) {
+ DRM_DEBUG_KMS("Cannot rotate and reflect at the same time\n");
+ return -EINVAL;
+ }
+
intel_state->base.visible = false;
ret = intel_plane->check_plane(plane, crtc_state, intel_state);
if (ret)