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* [PATCH] drm/i915/display: Handle odd position for planar formats in selective fetch
@ 2026-05-12  8:00 Jouni Högander
  2026-05-12  8:14 ` Srinivas, Vidya
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Jouni Högander @ 2026-05-12  8:00 UTC (permalink / raw)
  To: intel-gfx, intel-xe; +Cc: Jouni Högander, Vidya Srinivas

Since Lunarlake there is no restriction planar planes has to be even
positions. Due to this we may end up having odd offset for UV-plane in
selective fetch configuration. Add handling for this case into selective
fetch configuration.

Bspec: 68927
Suggested-by: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
---
 drivers/gpu/drm/i915/display/skl_universal_plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index ef431dd32e74..ad4bfff6903d 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -1532,7 +1532,7 @@ static void icl_plane_update_sel_fetch_noarm(struct intel_dsb *dsb,
 	if (!color_plane)
 		y = plane_state->view.color_plane[color_plane].y + clip->y1;
 	else
-		y = plane_state->view.color_plane[color_plane].y + clip->y1 / 2;
+		y = plane_state->view.color_plane[color_plane].y + DIV_ROUND_UP(clip->y1, 2);
 
 	val = y << 16 | x;
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2026-05-13  3:40 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-05-12  8:00 [PATCH] drm/i915/display: Handle odd position for planar formats in selective fetch Jouni Högander
2026-05-12  8:14 ` Srinivas, Vidya
2026-05-12 14:57 ` ✓ CI.KUnit: success for " Patchwork
2026-05-12 15:56 ` ✓ Xe.CI.BAT: " Patchwork
2026-05-13  3:39 ` ✗ Xe.CI.FULL: failure " Patchwork

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