DG2 has a constant bandwidth regardless of the number of planes
enabled. Handle the DG2 bw separately.
cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
cc: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@xxxxxxxxx>
---
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
