Here's driver parameters (should be all defaults):
# grep . /sys/module/nvidia*/parameters/* /sys/module/nvidia_drm/parameters/fbdev:N /sys/module/nvidia_drm/parameters/modeset:Y /sys/module/nvidia_modeset/parameters/config_file:(null) /sys/module/nvidia_modeset/parameters/disable_hdmi_frl:N /sys/module/nvidia_modeset/parameters/disable_vrr_memclk_switch:N /sys/module/nvidia_modeset/parameters/fail_malloc:-1 /sys/module/nvidia_modeset/parameters/hdmi_deepcolor:N /sys/module/nvidia_modeset/parameters/malloc_verbose:N /sys/module/nvidia_modeset/parameters/opportunistic_display_sync:Y /sys/module/nvidia_modeset/parameters/output_rounding_fix:Y /sys/module/nvidia_modeset/parameters/vblank_sem_control:N /sys/module/nvidia_uvm/parameters/uvm_ats_mode:1 /sys/module/nvidia_uvm/parameters/uvm_block_cpu_to_cpu_copy_with_ce:0 /sys/module/nvidia_uvm/parameters/uvm_channel_gpfifo_loc:auto /sys/module/nvidia_uvm/parameters/uvm_channel_gpput_loc:auto /sys/module/nvidia_uvm/parameters/uvm_channel_num_gpfifo_entries:1024 /sys/module/nvidia_uvm/parameters/uvm_channel_pushbuffer_loc:auto /sys/module/nvidia_uvm/parameters/uvm_conf_computing_channel_iv_rotation_limit:2147483648 /sys/module/nvidia_uvm/parameters/uvm_cpu_chunk_allocation_sizes:2166784 /sys/module/nvidia_uvm/parameters/uvm_debug_enable_push_acquire_info:0 /sys/module/nvidia_uvm/parameters/uvm_debug_enable_push_desc:0 /sys/module/nvidia_uvm/parameters/uvm_debug_prints:0 /sys/module/nvidia_uvm/parameters/uvm_disable_hmm:N /sys/module/nvidia_uvm/parameters/uvm_downgrade_force_membar_sys:1 /sys/module/nvidia_uvm/parameters/uvm_enable_builtin_tests:0 /sys/module/nvidia_uvm/parameters/uvm_enable_debug_procfs:0 /sys/module/nvidia_uvm/parameters/uvm_enable_va_space_mm:1 /sys/module/nvidia_uvm/parameters/uvm_exp_gpu_cache_peermem:0 /sys/module/nvidia_uvm/parameters/uvm_exp_gpu_cache_sysmem:0 /sys/module/nvidia_uvm/parameters/uvm_fault_force_sysmem:0 /sys/module/nvidia_uvm/parameters/uvm_force_prefetch_fault_support:0 /sys/module/nvidia_uvm/parameters/uvm_global_oversubscription:1 /sys/module/nvidia_uvm/parameters/uvm_leak_checker:0 /sys/module/nvidia_uvm/parameters/uvm_page_table_location:(null) /sys/module/nvidia_uvm/parameters/uvm_peer_copy:phys /sys/module/nvidia_uvm/parameters/uvm_perf_access_counter_batch_count:256 /sys/module/nvidia_uvm/parameters/uvm_perf_access_counter_mimc_migration_enable:-1 /sys/module/nvidia_uvm/parameters/uvm_perf_access_counter_momc_migration_enable:-1 /sys/module/nvidia_uvm/parameters/uvm_perf_access_counter_threshold:256 /sys/module/nvidia_uvm/parameters/uvm_perf_fault_batch_count:256 /sys/module/nvidia_uvm/parameters/uvm_perf_fault_coalesce:1 /sys/module/nvidia_uvm/parameters/uvm_perf_fault_max_batches_per_service:20 /sys/module/nvidia_uvm/parameters/uvm_perf_fault_max_throttle_per_service:5 /sys/module/nvidia_uvm/parameters/uvm_perf_fault_replay_policy:2 /sys/module/nvidia_uvm/parameters/uvm_perf_fault_replay_update_put_ratio:50 /sys/module/nvidia_uvm/parameters/uvm_perf_map_remote_on_eviction:1 /sys/module/nvidia_uvm/parameters/uvm_perf_map_remote_on_native_atomics_fault:0 /sys/module/nvidia_uvm/parameters/uvm_perf_migrate_cpu_preunmap_block_order:2 /sys/module/nvidia_uvm/parameters/uvm_perf_migrate_cpu_preunmap_enable:1 /sys/module/nvidia_uvm/parameters/uvm_perf_pma_batch_nonpinned_order:6 /sys/module/nvidia_uvm/parameters/uvm_perf_prefetch_enable:1 /sys/module/nvidia_uvm/parameters/uvm_perf_prefetch_min_faults:1 /sys/module/nvidia_uvm/parameters/uvm_perf_prefetch_threshold:51 /sys/module/nvidia_uvm/parameters/uvm_perf_reenable_prefetch_faults_lapse_msec:1000 /sys/module/nvidia_uvm/parameters/uvm_perf_thrashing_enable:1 /sys/module/nvidia_uvm/parameters/uvm_perf_thrashing_epoch:2000 /sys/module/nvidia_uvm/parameters/uvm_perf_thrashing_lapse_usec:500 /sys/module/nvidia_uvm/parameters/uvm_perf_thrashing_max_resets:4 /sys/module/nvidia_uvm/parameters/uvm_perf_thrashing_nap:1 /sys/module/nvidia_uvm/parameters/uvm_perf_thrashing_pin:300 /sys/module/nvidia_uvm/parameters/uvm_perf_thrashing_pin_threshold:10 /sys/module/nvidia_uvm/parameters/uvm_perf_thrashing_threshold:3 /sys/module/nvidia_uvm/parameters/uvm_release_asserts:1 /sys/module/nvidia_uvm/parameters/uvm_release_asserts_dump_stack:0 /sys/module/nvidia_uvm/parameters/uvm_release_asserts_set_global_error:0
And I'm using displayport connector in case that makes a difference.
Here's driver parameters (should be all defaults):
# grep . /sys/module/ nvidia* /parameters/ * nvidia_ drm/parameters/ fbdev:N nvidia_ drm/parameters/ modeset: Y nvidia_ modeset/ parameters/ config_ file:(null) nvidia_ modeset/ parameters/ disable_ hdmi_frl: N nvidia_ modeset/ parameters/ disable_ vrr_memclk_ switch: N nvidia_ modeset/ parameters/ fail_malloc: -1 nvidia_ modeset/ parameters/ hdmi_deepcolor: N nvidia_ modeset/ parameters/ malloc_ verbose: N nvidia_ modeset/ parameters/ opportunistic_ display_ sync:Y nvidia_ modeset/ parameters/ output_ rounding_ fix:Y nvidia_ modeset/ parameters/ vblank_ sem_control: N nvidia_ uvm/parameters/ uvm_ats_ mode:1 nvidia_ uvm/parameters/ uvm_block_ cpu_to_ cpu_copy_ with_ce: 0 nvidia_ uvm/parameters/ uvm_channel_ gpfifo_ loc:auto nvidia_ uvm/parameters/ uvm_channel_ gpput_loc: auto nvidia_ uvm/parameters/ uvm_channel_ num_gpfifo_ entries: 1024 nvidia_ uvm/parameters/ uvm_channel_ pushbuffer_ loc:auto nvidia_ uvm/parameters/ uvm_conf_ computing_ channel_ iv_rotation_ limit:214748364 8 nvidia_ uvm/parameters/ uvm_cpu_ chunk_allocatio n_sizes: 2166784 nvidia_ uvm/parameters/ uvm_debug_ enable_ push_acquire_ info:0 nvidia_ uvm/parameters/ uvm_debug_ enable_ push_desc: 0 nvidia_ uvm/parameters/ uvm_debug_ prints: 0 nvidia_ uvm/parameters/ uvm_disable_ hmm:N nvidia_ uvm/parameters/ uvm_downgrade_ force_membar_ sys:1 nvidia_ uvm/parameters/ uvm_enable_ builtin_ tests:0 nvidia_ uvm/parameters/ uvm_enable_ debug_procfs: 0 nvidia_ uvm/parameters/ uvm_enable_ va_space_ mm:1 nvidia_ uvm/parameters/ uvm_exp_ gpu_cache_ peermem: 0 nvidia_ uvm/parameters/ uvm_exp_ gpu_cache_ sysmem: 0 nvidia_ uvm/parameters/ uvm_fault_ force_sysmem: 0 nvidia_ uvm/parameters/ uvm_force_ prefetch_ fault_support: 0 nvidia_ uvm/parameters/ uvm_global_ oversubscriptio n:1 nvidia_ uvm/parameters/ uvm_leak_ checker: 0 nvidia_ uvm/parameters/ uvm_page_ table_location: (null) nvidia_ uvm/parameters/ uvm_peer_ copy:phys nvidia_ uvm/parameters/ uvm_perf_ access_ counter_ batch_count: 256 nvidia_ uvm/parameters/ uvm_perf_ access_ counter_ mimc_migration_ enable: -1 nvidia_ uvm/parameters/ uvm_perf_ access_ counter_ momc_migration_ enable: -1 nvidia_ uvm/parameters/ uvm_perf_ access_ counter_ threshold: 256 nvidia_ uvm/parameters/ uvm_perf_ fault_batch_ count:256 nvidia_ uvm/parameters/ uvm_perf_ fault_coalesce: 1 nvidia_ uvm/parameters/ uvm_perf_ fault_max_ batches_ per_service: 20 nvidia_ uvm/parameters/ uvm_perf_ fault_max_ throttle_ per_service: 5 nvidia_ uvm/parameters/ uvm_perf_ fault_replay_ policy: 2 nvidia_ uvm/parameters/ uvm_perf_ fault_replay_ update_ put_ratio: 50 nvidia_ uvm/parameters/ uvm_perf_ map_remote_ on_eviction: 1 nvidia_ uvm/parameters/ uvm_perf_ map_remote_ on_native_ atomics_ fault:0 nvidia_ uvm/parameters/ uvm_perf_ migrate_ cpu_preunmap_ block_order: 2 nvidia_ uvm/parameters/ uvm_perf_ migrate_ cpu_preunmap_ enable: 1 nvidia_ uvm/parameters/ uvm_perf_ pma_batch_ nonpinned_ order:6 nvidia_ uvm/parameters/ uvm_perf_ prefetch_ enable: 1 nvidia_ uvm/parameters/ uvm_perf_ prefetch_ min_faults: 1 nvidia_ uvm/parameters/ uvm_perf_ prefetch_ threshold: 51 nvidia_ uvm/parameters/ uvm_perf_ reenable_ prefetch_ faults_ lapse_msec: 1000 nvidia_ uvm/parameters/ uvm_perf_ thrashing_ enable: 1 nvidia_ uvm/parameters/ uvm_perf_ thrashing_ epoch:2000 nvidia_ uvm/parameters/ uvm_perf_ thrashing_ lapse_usec: 500 nvidia_ uvm/parameters/ uvm_perf_ thrashing_ max_resets: 4 nvidia_ uvm/parameters/ uvm_perf_ thrashing_ nap:1 nvidia_ uvm/parameters/ uvm_perf_ thrashing_ pin:300 nvidia_ uvm/parameters/ uvm_perf_ thrashing_ pin_threshold: 10 nvidia_ uvm/parameters/ uvm_perf_ thrashing_ threshold: 3 nvidia_ uvm/parameters/ uvm_release_ asserts: 1 nvidia_ uvm/parameters/ uvm_release_ asserts_ dump_stack: 0 nvidia_ uvm/parameters/ uvm_release_ asserts_ set_global_ error:0
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And I'm using displayport connector in case that makes a difference.