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Mon, 09 Sep 2024 07:31:16 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 4897VGJZ027458; Mon, 9 Sep 2024 07:31:16 GMT Received: from hu-devc-blr-u22-a.qualcomm.com (hu-santrame-blr.qualcomm.com [10.190.109.189]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 4897VGbN027457 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 09 Sep 2024 07:31:16 +0000 Received: by hu-devc-blr-u22-a.qualcomm.com (Postfix, from userid 4399736) id 9D835414D1; Mon, 9 Sep 2024 13:01:15 +0530 (+0530) From: Santhosh Ramesh To: ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Sathishkumar Muruganandam , Santhosh Ramesh Subject: [PATCH] wifi: ath12k: fix tx power, max reg power update to firmware Date: Mon, 9 Sep 2024 13:00:49 +0530 Message-Id: <20240909073049.3423035-1-quic_santrame@quicinc.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: pl4zqrVhgdmBKtRlsu88Wu5Q8C5uQzPr X-Proofpoint-GUID: pl4zqrVhgdmBKtRlsu88Wu5Q8C5uQzPr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 spamscore=0 adultscore=0 lowpriorityscore=0 mlxlogscore=999 clxscore=1011 bulkscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409090058 From: Sathishkumar Muruganandam Currently, when the vdev start WMI cmd is sent from host, vdev related parameters such as max_reg_power, max_power, and max_antenna_gain are multiplied by 2 before being sent to the firmware. This is incorrect because the firmware uses 1 dBm steps for power calculations. This leads to incorrect power values being used in the firmware and radio, potentially causing incorrect behavior. Fix the update of max_reg_power, max_power, and max_antenna_gain values in the ath12k_mac_vdev_start_restart function, ensuring accurate power settings in the firmware by sending these values as-is, without multiplication. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00214-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Sathishkumar Muruganandam Signed-off-by: Santhosh Ramesh Reviewed-by: Nicolas Escande --- drivers/net/wireless/ath/ath12k/mac.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) base-commit: 903aaf66edc97dd5b9e3118d19677291051a9c40 diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index 137394c36460..6d7a005d83b4 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -7217,9 +7217,9 @@ ath12k_mac_vdev_start_restart(struct ath12k_vif *arvif, chandef->chan->band, arvif->vif->type); arg.min_power = 0; - arg.max_power = chandef->chan->max_power * 2; - arg.max_reg_power = chandef->chan->max_reg_power * 2; - arg.max_antenna_gain = chandef->chan->max_antenna_gain * 2; + arg.max_power = chandef->chan->max_power; + arg.max_reg_power = chandef->chan->max_reg_power; + arg.max_antenna_gain = chandef->chan->max_antenna_gain; arg.pref_tx_streams = ar->num_tx_chains; arg.pref_rx_streams = ar->num_rx_chains;