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Mon, 17 May 2021 14:39:31 +0000 Received: from SATLEXMB06.amd.com (10.181.40.147) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.4; Mon, 17 May 2021 09:39:29 -0500 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB06.amd.com (10.181.40.147) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.4; Mon, 17 May 2021 09:39:29 -0500 Received: from z-bu18.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.4 via Frontend Transport; Mon, 17 May 2021 09:39:28 -0500 From: Peng Ju Zhou To: Subject: [PATCH v5 10/10] drm/amdgpu: Skip the program of MMMC_VM_AGP_* in SRIOV Date: Mon, 17 May 2021 22:39:10 +0800 Message-ID: <20210517143910.2125-10-PengJu.Zhou@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210517143910.2125-1-PengJu.Zhou@amd.com> References: <20210517143910.2125-1-PengJu.Zhou@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b124b8fd-d224-4a9d-ec26-08d91941950f X-MS-TrafficTypeDiagnostic: BYAPR12MB2662: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4502; 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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 May 2021 14:39:31.3053 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b124b8fd-d224-4a9d-ec26-08d91941950f X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT067.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB2662 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" KMD should not program these registers, the value were defined in the host, so skip them in the SRIOV environment. Signed-off-by: Peng Ju Zhou --- drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c index e24225b3d42a..422d106a650b 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c @@ -197,12 +197,12 @@ static void mmhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev) uint64_t value; uint32_t tmp; - /* Program the AGP BAR */ - WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_BASE, 0); - WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); - WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); - if (!amdgpu_sriov_vf(adev)) { + /* Program the AGP BAR */ + WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_BASE, 0); + WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); + WREG32_SOC15_RLC(MMHUB, 0, mmMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); + /* Program the system aperture low logical page number. */ WREG32_SOC15(MMHUB, 0, mmMMMC_VM_SYSTEM_APERTURE_LOW_ADDR, min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx