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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(36860700013)(82310400026)(1800799024)(376014); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2025 13:32:14.8315 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: eb61fc57-f4a5-477f-7c88-08ddf45c48a8 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000066E7.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7291 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" SDMA 5.2.x has increased transfer limits. v2: fix harder, use shifts to make it more obvious v3: align const fill with PAL limits Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index a8e39df29f343..d3b2ac5813383 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -2065,11 +2065,11 @@ static void sdma_v5_2_emit_fill_buffer(struct amdgpu_ib *ib, } static const struct amdgpu_buffer_funcs sdma_v5_2_buffer_funcs = { - .copy_max_bytes = 0x400000, + .copy_max_bytes = 1 << 30, .copy_num_dw = 7, .emit_copy_buffer = sdma_v5_2_emit_copy_buffer, - .fill_max_bytes = 0x400000, + .fill_max_bytes = 1 << 22, /* HW supports 1 << 30, but align with PAL for consistency */ .fill_num_dw = 5, .emit_fill_buffer = sdma_v5_2_emit_fill_buffer, }; -- 2.51.0