Selective fetch Y position differs when Region Early Transport is used. Use formula from Bspec for this. Bspec: 68927 Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx> --- drivers/gpu/drm/i915/display/skl_universal_plane.c | 6 +++++- 1 file changed, 5 insertions(+), 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 32d10e62b2b9..92628bed0b8e 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -1302,7 +1302,11 @@ static void icl_plane_update_sel_fetch_noarm(struct intel_plane *plane, clip = &plane_state->psr2_sel_fetch_area; - val = (clip->y1 + plane_state->uapi.dst.y1) << 16; + if (crtc_state->enable_psr2_su_region_et) + y = max(0, plane_state->uapi.dst.y1 - crtc_state->psr2_su_area.y1); + else + y = (clip->y1 + plane_state->uapi.dst.y1); + val = y << 16; val |= plane_state->uapi.dst.x1; intel_de_write_fw(i915, PLANE_SEL_FETCH_POS(pipe, plane->id), val); -- 2.34.1