Underrun/corruption issue is seen for NV12 format
for odd panning on LNL due to hardware bug.
Disable the format.
HSD: 16024459452
Signed-off-by: Nemesa Garg <nemesa.garg@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_atomic_plane.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index e979786aa5cf..f927e6a0b28b 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -1029,6 +1029,14 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
* This allows NV12 and P0xx formats to have odd size and/or odd
* source coordinates on DISPLAY_VER(i915) >= 20
*/
+
+ /*
+ * Wa_16023981245 for display version 20.
+ * Disable odd pan for NV12 format.
+ */
+ if (DISPLAY_VER(i915) == 20 && fb->format->format == DRM_FORMAT_NV12)
+ return 0;
+
hsub = 1;
vsub = 1;
} else {
--
2.25.1
