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Tue, 1 Sep 2026 15:11:02 -0500 From: Alex Deucher To: , CC: Alex Deucher Subject: [PATCH 27/31] drm/amdgpu/gmc10: use SDMA for pasid TLB invalidation Date: Tue, 1 Sep 2026 16:10:30 -0400 Message-ID: <20260901201034.2960437-28-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_|EAYPR12MB999132:EE_ X-MS-Office365-Filtering-Correlation-Id: a40c58b8-03d2-405e-e76a-08df08652974 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|23010399003|376014|1800799024|82310400026|36860700016|10067099003|22082099003|18002099003|56012099006|11063799006; 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: EAYPR12MB999132 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_v10_0.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 7eb34d55565cd..e716a86ba2913 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -974,8 +974,7 @@ static int gmc_v10_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