wifi: mt76: mt7915: disable 160Mhz VHT CAPs for mt7986

Fixes buggy 802.11ax on the Redmi AX6000 when connecting to some clients. Partially reverts https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/ Forum thread https://forum.openwrt.org/t/802-11ax-worse-than-802-11ac-with-mt76-driver Signed-off-by: Bryan Roessler <[email protected]>
openwrt · Mar 14, 2023 · a0f2e01 · a0f2e01
1 parent 021ded3
commit a0f2e01
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/mt7915/init.c b/mt7915/init.c
@@ -424,10 +424,10 @@ mt7915_init_wiphy(struct mt7915_phy *phy)
 				IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
 
 			/* mt7916 dbdc with 2g 2x2 bw40 and 5g 2x2 bw160c */
-			vht_cap->cap |=
-				IEEE80211_VHT_CAP_SHORT_GI_160 |
-				IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
-		}
+			if (is_mt7916(&dev->mt76))
+				vht_cap->cap |=
+					IEEE80211_VHT_CAP_SHORT_GI_160 |
+					IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
 
 		if (!is_mt7915(&dev->mt76) || !dev->dbdc_support)
 			ieee80211_hw_set(hw, SUPPORTS_VHT_EXT_NSS_BW);