[PATCH 8/9] wifi: mt76: mt7915: update mpdu density capability

[Shayne Chen]

From: Peter Chiu <chui-hao.chiu at mediatek.com>

Set mpdu density to 2 usec for non-mt7915 Wi-Fi 6 generation chipsets
to align to the hardware capability which improves the throughput.

Signed-off-by: Peter Chiu <chui-hao.chiu at mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/init.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index 78552f10b377..08989e00facb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -392,8 +392,12 @@ mt7915_init_wiphy(struct mt7915_phy *phy)
 		phy->mt76->sband_2g.sband.ht_cap.cap |=
 			IEEE80211_HT_CAP_LDPC_CODING |
 			IEEE80211_HT_CAP_MAX_AMSDU;
-		phy->mt76->sband_2g.sband.ht_cap.ampdu_density =
-			IEEE80211_HT_MPDU_DENSITY_4;
+		if (is_mt7915(&dev->mt76))
+			phy->mt76->sband_2g.sband.ht_cap.ampdu_density =
+				IEEE80211_HT_MPDU_DENSITY_4;
+		else
+			phy->mt76->sband_2g.sband.ht_cap.ampdu_density =
+				IEEE80211_HT_MPDU_DENSITY_2;
 	}
 
 	if (phy->mt76->cap.has_5ghz) {
@@ -403,10 +407,11 @@ mt7915_init_wiphy(struct mt7915_phy *phy)
 		phy->mt76->sband_5g.sband.ht_cap.cap |=
 			IEEE80211_HT_CAP_LDPC_CODING |
 			IEEE80211_HT_CAP_MAX_AMSDU;
-		phy->mt76->sband_5g.sband.ht_cap.ampdu_density =
-			IEEE80211_HT_MPDU_DENSITY_4;
 
 		if (is_mt7915(&dev->mt76)) {
+			phy->mt76->sband_5g.sband.ht_cap.ampdu_density =
+				IEEE80211_HT_MPDU_DENSITY_4;
+
 			vht_cap->cap |=
 				IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
 				IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
@@ -416,6 +421,9 @@ mt7915_init_wiphy(struct mt7915_phy *phy)
 					IEEE80211_VHT_CAP_SHORT_GI_160 |
 					FIELD_PREP(IEEE80211_VHT_CAP_EXT_NSS_BW_MASK, 1);
 		} else {
+			phy->mt76->sband_5g.sband.ht_cap.ampdu_density =
+				IEEE80211_HT_MPDU_DENSITY_2;
+
 			vht_cap->cap |=
 				IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
 				IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
-- 
2.39.2