[PATCH 1/2] drm/i915: Swap ggtt_vma during legacy cursor update
Maarten Lankhorst
maarten.lankhorst at linux.intel.com
Thu Aug 10 12:41:04 UTC 2023
Signed-off-by: Maarten Lankhorst <maarten.lankhorst at 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 b342fad180ca..ab25f019eda1 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
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