From patchwork Tue May 27 20:40:05 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 892747 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2674720C005; Tue, 27 May 2025 20:40:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748378435; cv=none; b=F49H0jDUxcn/S0QE/BbGGPWsueUIWT8Zedtzo/vPGCb2dByTay4zSztOXRmEZQZzoN1RoUFhOrzOiV1vWT1Bag/Q/5MSiqNDhPRbMuM2OxKBwVG/ftzU50ZMyGfY2ik0HCkWWzNyVOFBBkeeQK2ngRWo1VyrZzgE81PzjUV1494= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748378435; c=relaxed/simple; bh=+kMfvsj3qW5GkjvnoS0rVhOW7WWz5446Zayh8ytLTzg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nwgbaxrOsM4NGLb2M10C8VEjDEt7kO01aR7t/5D2sJgFh9frwASBKay03xEKNsz+TmhcY3XGi2E7EOpsUUmvhyg9z2h/j7g1+3M95xxdqT6CpzUGZhVLUK47gwRKvIvQZN+JKjePG3VNUadSiv78cIB6WkbwGyZw7vgpaF4fzoo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RKH0eO/y; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RKH0eO/y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 506F8C4CEED; Tue, 27 May 2025 20:40:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748378435; bh=+kMfvsj3qW5GkjvnoS0rVhOW7WWz5446Zayh8ytLTzg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=RKH0eO/y4HrwIxyEiXf8eQhkeWcCs+ieIb95F8xts5B+UpCqwTHK3kL6yn+5UkHVN WPF5eeUq2mYEYj5veoD2vCxajJ+Eu+HxeaaWEjWSKwMiiwWkTQfJFfEJe/gTQuxGDD SmBlqWbI+J/9vlCN+TR7SWgTUoEO/BzWTaXOWa2DXShv3K4n5UwxHYtg7lwZuLfEcK UN8RJ3OHZkx0AtAm41mhFAKlInyNcv4pT8l0gGf+vDi+Los2iIjuf1zQbFZyf3p2Vq uST5dQOrA/puHKb1FO3mJ2VQT20tsjhXfCv2C/Cpn4YpwDUmuE+PBiIm1DU41yFNJI 3UiUPuivJcp2Q== From: Konrad Dybcio Date: Tue, 27 May 2025 22:40:05 +0200 Subject: [PATCH v3 3/6] phy: qcom: qmp-combo: store DP phy power state Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250527-topic-4ln_dp_respin-v3-3-f9a0763ec289@oss.qualcomm.com> References: <20250527-topic-4ln_dp_respin-v3-0-f9a0763ec289@oss.qualcomm.com> In-Reply-To: <20250527-topic-4ln_dp_respin-v3-0-f9a0763ec289@oss.qualcomm.com> To: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Neil Armstrong , Dmitry Baryshkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1748378414; l=1388; i=konrad.dybcio@oss.qualcomm.com; s=20230215; h=from:subject:message-id; bh=NQKO8n4zzlkDvZmTHNCLJMlvFM/BrHDE0uxXDvRG8kM=; b=wjVee6C4Ago1ttdhY6xOAPs8jrJKNfslmSBZ6p1gRGU3WO3OyMhyP/Amrkx5Texh8TS/5cdug HjXLt8cbem9D9b52FLBjXYXs8BbysFE/kkAqby6irVdFAk2Trbgqptp X-Developer-Key: i=konrad.dybcio@oss.qualcomm.com; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= From: Neil Armstrong Switching the PHY Mode requires the DisplayPort PHY to be powered off, keep track of the DisplayPort phy power state. Signed-off-by: Neil Armstrong Reviewed-by: Dmitry Baryshkov --- drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index d0396817f3a05c7e4baeef0de1332c3a83942a51..26480d63322b22eca9637392f888bfbe440c2a13 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -1694,6 +1694,7 @@ struct qmp_combo { unsigned int dp_aux_cfg; struct phy_configure_opts_dp dp_opts; unsigned int dp_init_count; + bool dp_powered_on; struct clk_fixed_rate pipe_clk_fixed; struct clk_hw dp_link_hw; @@ -2913,6 +2914,8 @@ static int qmp_combo_dp_power_on(struct phy *phy) /* Configure link rate, swing, etc. */ cfg->configure_dp_phy(qmp); + qmp->dp_powered_on = true; + mutex_unlock(&qmp->phy_mutex); return 0; @@ -2927,6 +2930,8 @@ static int qmp_combo_dp_power_off(struct phy *phy) /* Assert DP PHY power down */ writel(DP_PHY_PD_CTL_PSR_PWRDN, qmp->dp_dp_phy + QSERDES_DP_PHY_PD_CTL); + qmp->dp_powered_on = false; + mutex_unlock(&qmp->phy_mutex); return 0;