[PATCH RESEND v4 0/2] Fix OVL iommu fault in cursor plane

[Jason-JH.Lin]

Fix some IGT tests fail at iommu fault in OVL cursor plane.

Change in RESEND v4 :
1. Remove redundant plane_state assigning.

Change in v4:
1. Change disable all layer method to update mtk_plane_state stored
   in mtk_crtc by drm_atomic_state from mtk_drm_crtc_atomic_enable().

Change in v3:
1. Add Fixes tag before s.o.b.

Change in v2:
1. Add Fixes tag.

Jason-JH.Lin (2):
  drm/mediatek: Fix iommu fault by swapping FBs after updating plane
    state
  drm/mediatek: Fix iommu fault during crtc enabling

 drivers/gpu/drm/mediatek/mtk_drm_crtc.c  | 14 ++++++++++----
 drivers/gpu/drm/mediatek/mtk_drm_plane.c | 13 +++++++++----
 drivers/gpu/drm/mediatek/mtk_drm_plane.h |  2 ++
 3 files changed, 21 insertions(+), 8 deletions(-)

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2.18.0