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Tue, 1 Sep 2026 15:11:02 -0500 From: Alex Deucher To: , CC: Alex Deucher Subject: [PATCH 28/31] drm/amdgpu/gmc11: use SDMA for pasid TLB invalidation Date: Tue, 1 Sep 2026 16:10:31 -0400 Message-ID: <20260901201034.2960437-29-alexander.deucher@amd.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260901201034.2960437-1-alexander.deucher@amd.com> References: <20260901201034.2960437-1-alexander.deucher@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00022572:EE_|DSVPR12MB999262:EE_ X-MS-Office365-Filtering-Correlation-Id: 1370bbeb-bff1-4c00-c832-08df08652a30 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|82310400026|1800799024|36860700016|376014|23010399003|56012099006|18002099003|22082099003|11063799006|10067099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00022572.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DSVPR12MB999262 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: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Use SDMA rather than MMIO. The avoids the need to disallow gfxoff when invalidating. Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c index 46e98fe66dd3e..8b95a1281886b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c @@ -950,8 +950,7 @@ static int gmc_v11_0_hw_init(struct amdgpu_ip_block *ip_block) int r; adev->gmc.flush_pasid_uses_kiq = !amdgpu_emu_mode; - if (adev->gmc.flush_pasid_uses_kiq) - adev->gmc.pasid_inv_method = AMDGPU_TLB_INV_METHOD_KIQ; + adev->gmc.pasid_inv_method = AMDGPU_TLB_INV_METHOD_SDMA; adev->gmc.gart_inv_method = AMDGPU_TLB_INV_METHOD_SDMA; /* The sequence of these two function calls matters.*/ -- 2.55.0