[PATCH v2 19/25] drm/i915/xe2hpd: Do not program MBUS_DBOX BW credits

[Balasubramani Vivekanandan]

From: José Roberto de Souza <jose.so...@intel.com>

Xe2_HPD doesn't have DBOX BW credits, so here programing it with
zero.

BSpec: 49213
Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanan...@intel.com>
---
 drivers/gpu/drm/i915/display/skl_watermark.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c 
b/drivers/gpu/drm/i915/display/skl_watermark.c
index bc341abcab2f..22ae782e89f4 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -3733,7 +3733,7 @@ void intel_mbus_dbox_update(struct intel_atomic_state 
*state)
                if (!new_crtc_state->hw.active)
                        continue;
 
-               if (DISPLAY_VER(i915) >= 14) {
+               if (DISPLAY_VER(i915) >= 14 && !IS_BATTLEMAGE(i915)) {
                        if (xelpdp_is_only_pipe_per_dbuf_bank(crtc->pipe,
                                                              
new_dbuf_state->active_pipes))
                                pipe_val |= MBUS_DBOX_BW_8CREDITS_MTL;
-- 
2.25.1