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Tue, 1 Sep 2026 15:10:51 -0500 From: Alex Deucher To: , CC: Alex Deucher Subject: [PATCH 08/31] drm/amdgpu/gmc10: use MMIO for TLB flushes Date: Tue, 1 Sep 2026 16:10:11 -0400 Message-ID: <20260901201034.2960437-9-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_|DS2PR12MB9661:EE_ X-MS-Office365-Filtering-Correlation-Id: 1ce1a40a-1ca9-49b1-6c5c-08df0865212d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|23010399003|1800799024|82310400026|376014|36860700016|10067099003|18002099003|22082099003|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: DS2PR12MB9661 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" KIQ handles scheduling on GC 10 so it can get delayed if there are a lot of queues active. KIQ was used to avoid disallowing GFXOFF, but since the KIQ will wake GFX anyway, just disallow it when we flush and use MMIO. Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 7ea1c4b878e97..23d9fe995a2b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -884,7 +884,7 @@ static int gmc_v10_0_sw_init(struct amdgpu_ip_block *ip_block) return r; adev->gmc.use_mmio_for_tlb_flush = - !(amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)); + !amdgpu_sriov_runtime(adev); return 0; } -- 2.55.0