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Fri, 26 Jun 2026 15:41:09 -0500 From: Alex Deucher To: CC: Alex Deucher Subject: [PATCH 2/4] drm/gfx11: Program DB_RING_CONTROL Date: Fri, 26 Jun 2026 16:40:59 -0400 Message-ID: <20260626204101.31172-2-alexander.deucher@amd.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260626204101.31172-1-alexander.deucher@amd.com> References: <20260626204101.31172-1-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: CH1PEPF0000AD83:EE_|DM4PR12MB5722:EE_ X-MS-Office365-Filtering-Correlation-Id: 02aeec92-41b7-4232-f6a2-08ded3c343b9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|1800799024|82310400026|23010399003|36860700016|56012099006|11063799006|22082099003|18002099003; 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000AD83.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5722 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" This is needed to allocate occlusion counters across both gfx pipes. No functional change since we only use one gfx pipe at the moment (default value is 1). Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index d171d41654980..5e7d0cd85c365 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -2178,6 +2178,9 @@ static void gfx_v11_0_constants_init(struct amdgpu_device *adev) tmp = RREG32_SOC15(GC, 0, regTA_CNTL2); adev->gfx.config.ta_cntl2_truncate_coord_mode = REG_GET_FIELD(tmp, TA_CNTL2, TRUNCATE_COORD_MODE); + /* program DB_RING_CONTROL for multiple GFX pipes */ + WREG32_FIELD15_PREREG(GC, 0, DB_RING_CONTROL, COUNTER_CONTROL, + (adev->gfx.me.num_pipe_per_me > 1) ? 0 : 1); /* XXX SH_MEM regs */ /* where to put LDS, scratch, GPUVM in FSA64 space */ -- 2.54.0