Merge tag 'drm-intel-next-2016-11-21' of git://anongit.freedesktop.org/git/drm-intel into drm-next

Final 4.10 updates:

- fine-tune fb flushing and tracking (Chris Wilson)
- refactor state check dumper code for more conciseness (Tvrtko)
- roll out dev_priv all over the place (Tvrkto)
- finally remove __i915__ magic macro (Tvrtko)
- more gvt bugfixes (Zhenyu&team)
- better opregion CADL handling (Jani)
- refactor/clean up wm programming (Maarten)
- gpu scheduler + priority boosting for flips as first user (Chris
  Wilson)
- make fbc use more atomic (Paulo)
- initial kvm-gvt framework, but not yet complete (Zhenyu&team)

* tag 'drm-intel-next-2016-11-21' of git://anongit.freedesktop.org/git/drm-intel: (127 commits)
  drm/i915: Update DRIVER_DATE to 20161121
  drm/i915: Skip final clflush if LLC is coherent
  drm/i915: Always flush the dirty CPU cache when pinning the scanout
  drm/i915: Don't touch NULL sg on i915_gem_object_get_pages_gtt() error
  drm/i915: Check that each request phase is completed before retiring
  drm/i915: i915_pages_create_for_stolen should return err ptr
  drm/i915: Enable support for nonblocking modeset
  drm/i915: Be more careful to drop the GT wakeref
  drm/i915: Move frontbuffer CS write tracking from ggtt vma to object
  drm/i915: Only dump dp_m2_n2 configuration when drrs is used
  drm/i915: don't leak global_timeline
  drm/i915: add i915_address_space_fini
  drm/i915: Add a few more sanity checks for stolen handling
  drm/i915: Waterproof verification of gen9 forcewake table ranges
  drm/i915: Introduce enableddisabled helper
  drm/i915: Only dump possible panel fitter config for the platform
  drm/i915: Only dump scaler config where supported
  drm/i915: Compact a few pipe config debug lines
  drm/i915: Don't log pipe config kernel pointer and duplicated pipe name
  drm/i915: Dump FDI config only where applicable
  ...

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 984a6b75c118..ff821649486e 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)