FBC restriction where FBC is disabled for non-modulo 4 plane size (including plane size + yoffset) is fixed from ADL onwards in h/w. WA:22010751166
Relax the restriction for the same. Credits-to: Vidya Srinivas <[email protected]> Signed-off-by: Uma Shankar <[email protected]> --- drivers/gpu/drm/i915/display/intel_fbc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index d4c5deff9cbe..bf257467a635 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1550,14 +1550,14 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state, * having a Y offset that isn't divisible by 4 causes FIFO underrun * and screen flicker. */ - if (DISPLAY_VER(display) >= 9 && + if (DISPLAY_VER(display) >= 9 && DISPLAY_VER(display) <= 12 && plane_state->view.color_plane[0].y & 3) { plane_state->no_fbc_reason = "plane start Y offset misaligned"; return 0; } /* Wa_22010751166: icl, ehl, tgl, dg1, rkl */ - if (DISPLAY_VER(display) >= 11 && + if ((DISPLAY_VER(display) == 11 || DISPLAY_VER(display) == 12) && (plane_state->view.color_plane[0].y + (drm_rect_height(&plane_state->uapi.src) >> 16)) & 3) { plane_state->no_fbc_reason = "plane end Y offset misaligned"; -- 2.42.0
