Xe is lacking the ability to re-use the ggtt_vma when updating cursor.
Instead of pinning from the new plane_state, move the ggtt_vma from
old_plane_state to new_plane_state.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_cursor.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cursor.c
b/drivers/gpu/drm/i915/display/intel_cursor.c
index 4962247911d41..6f34098ea314d 100644
--- a/drivers/gpu/drm/i915/display/intel_cursor.c
+++ b/drivers/gpu/drm/i915/display/intel_cursor.c
@@ -688,9 +688,8 @@ intel_legacy_cursor_update(struct drm_plane *_plane,
if (ret)
goto out_free;
- ret = intel_plane_pin_fb(new_plane_state);
- if (ret)
- goto out_free;
+ /* magic trick! */
+ swap(new_plane_state->ggtt_vma, old_plane_state->ggtt_vma);
intel_frontbuffer_flush(to_intel_frontbuffer(new_plane_state->hw.fb),
ORIGIN_CURSOR_UPDATE);
--
2.39.2
