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SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230016)(4636009)(39860400002)(396003)(346002)(136003)(376002)(46966006)(36840700001)(40470700004)(83380400001)(36860700001)(1076003)(8936002)(186003)(16526019)(36756003)(82740400003)(40480700001)(4326008)(2616005)(356005)(7696005)(5660300002)(70586007)(8676002)(26005)(81166007)(82310400005)(70206006)(2906002)(40460700003)(6916009)(41300700001)(6666004)(336012)(47076005)(54906003)(426003)(478600001)(15650500001)(316002)(86362001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jun 2022 19:13:59.8190 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 18d15b20-2f69-4805-baa8-08da5accaffd 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT003.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR1201MB0038 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: , Cc: stylon.wang@amd.com, Sunpeng.Li@amd.com, Harry.Wentland@amd.com, qingqing.zhuo@amd.com, Rodrigo.Siqueira@amd.com, roman.li@amd.com, solomon.chiu@amd.com, jerry.zuo@amd.com, Aurabindo.Pillai@amd.com, Eric Bernstein , hamza.mahfooz@amd.com, wayne.lin@amd.com, Bhawanpreet.Lakha@amd.com, agustin.gutierrez@amd.com, pavle.kotarac@amd.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Eric Bernstein After some experimental tests, we noticed that we need to set gpuvm_max_page_table_levels to '4' to meet the hardware requirements. Signed-off-by: Eric Bernstein --- drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c | 2 +- drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c index 63227c55a2f0..1f2af676191b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c @@ -121,7 +121,7 @@ static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C struct _vcs_dpi_ip_params_st dcn3_2_ip = { .gpuvm_enable = 1, - .gpuvm_max_page_table_levels = 1, + .gpuvm_max_page_table_levels = 4, .hostvm_enable = 0, .rob_buffer_size_kbytes = 128, .det_buffer_size_kbytes = DCN3_2_DEFAULT_DET_SIZE, diff --git a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c index 644f00f2def0..1a9bdfc35f2c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c @@ -124,7 +124,7 @@ static const struct IP_BASE DCN_BASE = { { { { 0x00000012, 0x000000C0, 0x000034C struct _vcs_dpi_ip_params_st dcn3_21_ip = { .gpuvm_enable = 1, - .gpuvm_max_page_table_levels = 1, + .gpuvm_max_page_table_levels = 4, .hostvm_enable = 0, .rob_buffer_size_kbytes = 128, .det_buffer_size_kbytes = DCN3_2_DEFAULT_DET_SIZE, -- 2.25.1