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[61.220.137.37]) by smtp.gmail.com with ESMTPSA id k23sm4997333pfk.50.2020.12.04.07.20.54 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Dec 2020 07:20:54 -0800 (PST) From: You-Sheng Yang To: kernel-team@lists.ubuntu.com Subject: [PATCH 13/26][SRU][U/OEM-5.10] UBUNTU: SAUCE: ath11k: put hw to DBS using WMI_PDEV_SET_HW_MODE_CMDID Date: Fri, 4 Dec 2020 23:19:59 +0800 Message-Id: <20201204152013.195139-14-vicamo.yang@canonical.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201204152013.195139-1-vicamo.yang@canonical.com> References: <20201204152013.195139-1-vicamo.yang@canonical.com> MIME-Version: 1.0 Received-SPF: pass client-ip=209.85.216.65; envelope-from=vicamo@gmail.com; helo=mail-pj1-f65.google.com X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" From: Carl Huang BugLink: https://bugs.launchpad.net/bugs/1879633 Host needs to use wmi command WMI_PDEV_SET_HW_MODE_CMDID to put hardware to dbs mode instead of wmi_init command. This fixes a few strange stability issues. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: Carl Huang Signed-off-by: Kalle Valo (cherry picked from commit ce8b5dfc16a0b84ac9ab2d508c2d5e66e8bf179a https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git) Signed-off-by: You-Sheng Yang --- drivers/net/wireless/ath/ath11k/core.c | 12 ++++++--- drivers/net/wireless/ath/ath11k/hw.h | 6 ----- drivers/net/wireless/ath/ath11k/wmi.c | 37 ++++++++++++++++++++++---- drivers/net/wireless/ath/ath11k/wmi.h | 1 + 4 files changed, 42 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c index 6e126e2ffffe..69ff930cd3e1 100644 --- a/drivers/net/wireless/ath/ath11k/core.c +++ b/drivers/net/wireless/ath/ath11k/core.c @@ -50,7 +50,6 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq8074, .svc_to_ce_map_len = 21, .single_pdev_only = false, - .needs_band_to_mac = true, .rxdma1_enable = true, .num_rxmda_per_pdev = 1, .rx_mac_buf_ring = false, @@ -88,7 +87,6 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_ipq6018, .svc_to_ce_map_len = 19, .single_pdev_only = false, - .needs_band_to_mac = true, .rxdma1_enable = true, .num_rxmda_per_pdev = 1, .rx_mac_buf_ring = false, @@ -126,7 +124,6 @@ static const struct ath11k_hw_params ath11k_hw_params[] = { .svc_to_ce_map = ath11k_target_service_to_ce_map_wlan_qca6390, .svc_to_ce_map_len = 14, .single_pdev_only = true, - .needs_band_to_mac = false, .rxdma1_enable = false, .num_rxmda_per_pdev = 2, .rx_mac_buf_ring = true, @@ -615,6 +612,15 @@ static int ath11k_core_start(struct ath11k_base *ab, goto err_reo_cleanup; } + // put hardware to DBS mode + if (ab->hw_params.single_pdev_only) { + ret = ath11k_wmi_set_hw_mode(ab, 1); + if (ret) { + ath11k_err(ab, "failed to send dbs mode: %d\n", ret); + goto err_hif_stop; + } + } + ret = ath11k_dp_tx_htt_h2t_ver_req_msg(ab); if (ret) { ath11k_err(ab, "failed to send htt version request message: %d\n", diff --git a/drivers/net/wireless/ath/ath11k/hw.h b/drivers/net/wireless/ath/ath11k/hw.h index 0df9c901aa3a..b88439d1d87a 100644 --- a/drivers/net/wireless/ath/ath11k/hw.h +++ b/drivers/net/wireless/ath/ath11k/hw.h @@ -143,12 +143,6 @@ struct ath11k_hw_params { bool single_pdev_only; - /* For example on QCA6390 struct - * wmi_init_cmd_param::band_to_mac_config needs to be false as the - * firmware creates the mapping. - */ - bool needs_band_to_mac; - bool rxdma1_enable; int num_rxmda_per_pdev; bool rx_mac_buf_ring; diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index 8eca92520837..f2bbbebea025 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -3333,6 +3333,34 @@ int ath11k_wmi_wait_for_unified_ready(struct ath11k_base *ab) return 0; } +int ath11k_wmi_set_hw_mode(struct ath11k_base *ab, int hw_mode_index) +{ + struct wmi_pdev_set_hw_mode_cmd_param *cmd; + struct sk_buff *skb; + struct ath11k_wmi_base *wmi_ab = &ab->wmi_ab; + int len; + int ret; + + len = sizeof(*cmd); + + skb = ath11k_wmi_alloc_skb(wmi_ab, len); + cmd = (struct wmi_pdev_set_hw_mode_cmd_param *)skb->data; + + cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_PDEV_SET_HW_MODE_CMD) | + FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE); + + cmd->pdev_id = WMI_PDEV_ID_SOC; + cmd->hw_mode_index = hw_mode_index; + + ret = ath11k_wmi_cmd_send(&wmi_ab->wmi[0], skb, WMI_PDEV_SET_HW_MODE_CMDID); + if (ret) { + ath11k_warn(ab, "failed to send WMI_PDEV_SET_HW_MODE_CMDID\n"); + dev_kfree_skb(skb); + } + + return ret; +} + int ath11k_wmi_cmd_init(struct ath11k_base *ab) { struct ath11k_wmi_base *wmi_sc = &ab->wmi_ab; @@ -3351,13 +3379,12 @@ int ath11k_wmi_cmd_init(struct ath11k_base *ab) init_param.hw_mode_id = wmi_sc->preferred_hw_mode; init_param.mem_chunks = wmi_sc->mem_chunks; - if (wmi_sc->preferred_hw_mode == WMI_HOST_HW_MODE_SINGLE) + if (wmi_sc->preferred_hw_mode == WMI_HOST_HW_MODE_SINGLE || + ab->hw_params.single_pdev_only) init_param.hw_mode_id = WMI_HOST_HW_MODE_MAX; - if (ab->hw_params.needs_band_to_mac) { - init_param.num_band_to_mac = ab->num_radios; - ath11k_fill_band_to_mac_param(ab, init_param.band_to_mac); - } + init_param.num_band_to_mac = ab->num_radios; + ath11k_fill_band_to_mac_param(ab, init_param.band_to_mac); return ath11k_init_cmd_send(&wmi_sc->wmi[0], &init_param); } diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h index 5a32ba0eb4f5..d98256d2f290 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/drivers/net/wireless/ath/ath11k/wmi.h @@ -5121,4 +5121,5 @@ int ath11k_wmi_vdev_spectral_enable(struct ath11k *ar, u32 vdev_id, u32 trigger, u32 enable); int ath11k_wmi_vdev_spectral_conf(struct ath11k *ar, struct ath11k_wmi_vdev_spectral_conf_param *param); +int ath11k_wmi_set_hw_mode(struct ath11k_base *ab, int hw_mode_index); #endif