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 <[email protected]> --- 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
