From mboxrd@z Thu Jan 1 00:00:00 1970 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 A0815BA45 for ; Tue, 7 Mar 2023 17:57:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EFA54C433EF; Tue, 7 Mar 2023 17:57:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678211862; bh=e4nYHSM/bLybAIeHfhRheY9DeEE8aojF1rVUSoO3unQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xQSmgqRmpjhmK1f9EhE7up4GBCD+dYxA17tUdqAX9RfcFYQWT3Fekzt02LSkIe+h/ EMv4yVKIKZu9DmFIpg8e188SIlCxty+DsYYHYUk30dzB5c2z97oUOvL8chXYPDYVra I3W0A1ZBv+J5oLcweaZSlsPzPuHtS0bUXKgmTgvs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Richard Gong , Mario Limonciello , Alex Deucher Subject: [PATCH 6.2 0994/1001] drm/amd: Fix initialization for nbio 7.5.1 Date: Tue, 7 Mar 2023 18:02:46 +0100 Message-Id: <20230307170105.428514158@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Mario Limonciello commit 65a24000808f70ac69bd2a96381fa0c7341f20c0 upstream. A mistake has been made in the BIOS for some ASICs with NBIO 7.5.1 where some NBIO registers aren't properly setup. Ensure that they're set during initialization. Tested-by: Richard Gong Signed-off-by: Mario Limonciello Acked-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org # 6.1.x Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c @@ -382,6 +382,11 @@ static void nbio_v7_2_init_registers(str if (def != data) WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regBIF1_PCIE_MST_CTRL_3), data); break; + case IP_VERSION(7, 5, 1): + data = RREG32_SOC15(NBIO, 0, regRCC_DEV2_EPF0_STRAP2); + data &= ~RCC_DEV2_EPF0_STRAP2__STRAP_NO_SOFT_RESET_DEV2_F0_MASK; + WREG32_SOC15(NBIO, 0, regRCC_DEV2_EPF0_STRAP2, data); + fallthrough; default: def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL)); data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL,