DG2 has a constant bandwidth regardless of the number of planes enabled. Handle the DG2 bw separately.
cc: Ville Syrjälä <[email protected]> cc: Stanislav Lisovskiy <[email protected]> Signed-off-by: Vinod Govindapillai <[email protected]> --- drivers/gpu/drm/i915/display/intel_bw.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index ac11ff19e47d..8955f9f8476a 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -1003,7 +1003,9 @@ int intel_bw_atomic_check(struct intel_atomic_state *state) for (i = 0; i < num_qgv_points; i++) { unsigned int max_data_rate; - if (DISPLAY_VER(dev_priv) > 11) + if (IS_DG2(dev_priv)) + max_data_rate = dev_priv->max_bw[0].deratedbw[0]; + else if (DISPLAY_VER(dev_priv) > 11) max_data_rate = tgl_max_bw(dev_priv, num_active_planes, i); else max_data_rate = icl_max_bw(dev_priv, num_active_planes, i); -- 2.25.1
