From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A617C76195 for ; Fri, 19 Jul 2019 04:03:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE909218A3 for ; Fri, 19 Jul 2019 04:03:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509015; bh=9HX4IC0E7NejaMwTLOIzvx6pL5uy+2m6J2g1RWligUI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XekWQlxYgFtNXb+awCMCoUfrRUY4Yf/PJjMDe6R+cMDopVwohmUDW2WN223NbbwEA ENLZwVOUBqSi7Ife7FCiRubqCRzB+fA5r7AuAZ/kmD2+cgi3q/19w6H7F10ccKSwCk EYlmcojwUeAwB1vx1s6zMbZQ1hiEIj43U7t24nZs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729288AbfGSEDd (ORCPT ); Fri, 19 Jul 2019 00:03:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:35508 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729406AbfGSED3 (ORCPT ); Fri, 19 Jul 2019 00:03:29 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 828562189F; Fri, 19 Jul 2019 04:03:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509008; bh=9HX4IC0E7NejaMwTLOIzvx6pL5uy+2m6J2g1RWligUI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QTXcR5usyOuPP7qvIhSkenqCR1qCF1wemIvz21TNTgUJT1Nx2CSGH5POT2E/VcL4P 9fcrEzDnxHeoQtgfe+NPKOIU+oqazU9MbdJztDOYE+BV0TONN//bUz+RcKZqvYPi6h 256ZJHE81gjZDVhkqyWfdpnMjuAWr0Y8DwTHjmrM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tiecheng Zhou , Emily Deng , =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.1 017/141] drm/amdgpu/sriov: Need to initialize the HDP_NONSURFACE_BAStE Date: Fri, 19 Jul 2019 00:00:42 -0400 Message-Id: <20190719040246.15945-17-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190719040246.15945-1-sashal@kernel.org> References: <20190719040246.15945-1-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tiecheng Zhou [ Upstream commit fe2b5323d2c3cedaa3bf943dc7a0d233c853c914 ] it requires to initialize HDP_NONSURFACE_BASE, so as to avoid using the value left by a previous VM under sriov scenario. v2: it should not hurt baremetal, generalize it for both sriov and baremetal Signed-off-by: Emily Deng Signed-off-by: Tiecheng Zhou Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 1611bef19a2c..c0446af00cdd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1135,6 +1135,9 @@ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL); WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp); + WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8)); + WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE_HI, (adev->gmc.vram_start >> 40)); + /* After HDP is initialized, flush HDP.*/ adev->nbio_funcs->hdp_flush(adev, NULL); -- 2.20.1