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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 B0916C76186 for ; Mon, 29 Jul 2019 19:39:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6EF0A2054F for ; Mon, 29 Jul 2019 19:39:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429166; bh=N/uag7XfyCcol3HpB72xx8NfNWrc1Lx666eOgPtI1LY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ApBHfGzOhNlWPXA7Z/MXTahaEQwdUETZQt/6pRuCXAmxXKkCm8UZjWRVTuxQSc23w 0a9QF9IHN1WmbIhvvePQb27Tw8/A6fMwJZlvqe+C74qPrmGL5ldR2JV2YwYimJ2UGX g4oQpfBEVp30IygPQ0Qab20dmHFAGjdlaQFhVPK8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387595AbfG2TjY (ORCPT ); Mon, 29 Jul 2019 15:39:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:54438 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388677AbfG2TjV (ORCPT ); Mon, 29 Jul 2019 15:39:21 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2C91C2054F; Mon, 29 Jul 2019 19:39:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429160; bh=N/uag7XfyCcol3HpB72xx8NfNWrc1Lx666eOgPtI1LY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=STqIH/uVnk1Q7nyDe/ExAfGIsbI2dBM1aYztucoRLmW4WjEz4qrV7cB/EN63Kwfs1 IF2blVak5pO+Htm8lbnPkpb6K0RcLdUTxaEor9sKUPLvj5pB4Qzjar1Ebfo7UY5Chm RlxETNcFWGKMT4syLuqvPtLLHCHaq/llryE8AMdw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Emily Deng , Tiecheng Zhou , =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher , Sasha Levin Subject: [PATCH 4.19 011/113] drm/amdgpu/sriov: Need to initialize the HDP_NONSURFACE_BAStE Date: Mon, 29 Jul 2019 21:21:38 +0200 Message-Id: <20190729190658.478971867@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190729190655.455345569@linuxfoundation.org> References: <20190729190655.455345569@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ 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 72f8018fa2a8..ede27dab675f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1037,6 +1037,9 @@ 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