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2025-09-25drm/amd: Use dynamic array size declaration for ↵Mario Limonciello1-2/+5
amdgpu_connector_add_common_modes() [Why] Adding or removing a mode from common_modes[] can be fragile if a user forgot to update the for loop boundaries. [How] Use ARRAY_SIZE() to detect size of the array and use that instead. Cc: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Timur Kristóf <timur.kristof@gmail.com> Link: https://lore.kernel.org/r/20250924161624.1975819-4-mario.limonciello@amd.com Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amd/display: Share dce100_validate_global with DCE6-8Timur Kristóf4-63/+7
The dce100_validate_global function was verbatim exactly the same as dce60_validate_global and dce80_validate_global. Share dce100_validate_global between DCE6-10 to save code size. Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amd/display: Share dce100_validate_bandwidth with DCE6-8Timur Kristóf4-77/+18
DCE6-8 have very similar capabilities to DCE10, they support the same DP and HDMI versions and work similarly. Share dce100_validate_bandwidth between DCE6-10 to reduce code duplication in the DC driver. Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amdgpu: Fix fence signaling race condition in userqueueJesse.Zhang1-1/+1
This commit fixes a potential race condition in the userqueue fence signaling mechanism by replacing dma_fence_is_signaled_locked() with dma_fence_is_signaled(). The issue occurred because: 1. dma_fence_is_signaled_locked() should only be used when holding the fence's individual lock, not just the fence list lock 2. Using the locked variant without the proper fence lock could lead to double-signaling scenarios: - Hardware completion signals the fence - Software path also tries to signal the same fence By using dma_fence_is_signaled() instead, we properly handle the locking hierarchy and avoid the race condition while still maintaining the necessary synchronization through the fence_list_lock. v2: drop the comment (Christian) Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25amd/amdkfd: enhance kfd process check in switch partitionYifan Zhang3-0/+16
current switch partition only check if kfd_processes_table is empty. kfd_prcesses_table entry is deleted in kfd_process_notifier_release, but kfd_process tear down is in kfd_process_wq_release. consider two processes: Process A (workqueue) -> kfd_process_wq_release -> Access kfd_node member Process B switch partition -> amdgpu_xcp_pre_partition_switch -> amdgpu_amdkfd_device_fini_sw -> kfd_node tear down. Process A and B may trigger a race as shown in dmesg log. This patch is to resolve the race by adding an atomic kfd_process counter kfd_processes_count, it increment as create kfd process, decrement as finish kfd_process_wq_release. v2: Put kfd_processes_count per kfd_dev, move decrement to kfd_process_destroy_pdds and bug fix. (Philip Yang) [3966658.307702] divide error: 0000 [#1] SMP NOPTI [3966658.350818] i10nm_edac [3966658.356318] CPU: 124 PID: 38435 Comm: kworker/124:0 Kdump: loaded Tainted [3966658.356890] Workqueue: kfd_process_wq kfd_process_wq_release [amdgpu] [3966658.362839] nfit [3966658.366457] RIP: 0010:kfd_get_num_sdma_engines+0x17/0x40 [amdgpu] [3966658.366460] Code: 00 00 e9 ac 81 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 0f 1f 44 00 00 48 8b 4f 08 48 8b b7 00 01 00 00 8b 81 58 26 03 00 99 <f7> be b8 01 00 00 80 b9 70 2e 00 00 00 74 0b 83 f8 02 ba 02 00 00 [3966658.380967] x86_pkg_temp_thermal [3966658.391529] RSP: 0018:ffffc900a0edfdd8 EFLAGS: 00010246 [3966658.391531] RAX: 0000000000000008 RBX: ffff8974e593b800 RCX: ffff888645900000 [3966658.391531] RDX: 0000000000000000 RSI: ffff888129154400 RDI: ffff888129151c00 [3966658.391532] RBP: ffff8883ad79d400 R08: 0000000000000000 R09: ffff8890d2750af4 [3966658.391532] R10: 0000000000000018 R11: 0000000000000018 R12: 0000000000000000 [3966658.391533] R13: ffff8883ad79d400 R14: ffffe87ff662ba00 R15: ffff8974e593b800 [3966658.391533] FS: 0000000000000000(0000) GS:ffff88fe7f600000(0000) knlGS:0000000000000000 [3966658.391534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [3966658.391534] CR2: 0000000000d71000 CR3: 000000dd0e970004 CR4: 0000000002770ee0 [3966658.391535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [3966658.391535] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 [3966658.391536] PKRU: 55555554 [3966658.391536] Call Trace: [3966658.391674] deallocate_sdma_queue+0x38/0xa0 [amdgpu] [3966658.391762] process_termination_cpsch+0x1ed/0x480 [amdgpu] [3966658.399754] intel_powerclamp [3966658.402831] kfd_process_dequeue_from_all_devices+0x5b/0xc0 [amdgpu] [3966658.402908] kfd_process_wq_release+0x1a/0x1a0 [amdgpu] [3966658.410516] coretemp [3966658.434016] process_one_work+0x1ad/0x380 [3966658.434021] worker_thread+0x49/0x310 [3966658.438963] kvm_intel [3966658.446041] ? process_one_work+0x380/0x380 [3966658.446045] kthread+0x118/0x140 [3966658.446047] ? __kthread_bind_mask+0x60/0x60 [3966658.446050] ret_from_fork+0x1f/0x30 [3966658.446053] Modules linked in: kpatch_20765354(OEK) [3966658.455310] kvm [3966658.464534] mptcp_diag xsk_diag raw_diag unix_diag af_packet_diag netlink_diag udp_diag act_pedit act_mirred act_vlan cls_flower kpatch_21951273(OEK) kpatch_18424469(OEK) kpatch_19749756(OEK) [3966658.473462] idxd_mdev [3966658.482306] kpatch_17971294(OEK) sch_ingress xt_conntrack amdgpu(OE) amdxcp(OE) amddrm_buddy(OE) amd_sched(OE) amdttm(OE) amdkcl(OE) intel_ifs iptable_mangle tcm_loop target_core_pscsi tcp_diag target_core_file inet_diag target_core_iblock target_core_user target_core_mod coldpgs kpatch_18383292(OEK) ip6table_nat ip6table_filter ip6_tables ip_set_hash_ipportip ip_set_hash_ipportnet ip_set_hash_ipport ip_set_bitmap_port xt_comment iptable_nat nf_nat iptable_filter ip_tables ip_set ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 sn_core_odd(OE) i40e overlay binfmt_misc tun bonding(OE) aisqos(OE) aisqos_hotfixes(OE) rfkill uio_pci_generic uio cuse fuse nf_tables nfnetlink intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common i10nm_edac nfit x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm idxd_mdev [3966658.491237] vfio_pci [3966658.501196] vfio_pci vfio_virqfd mdev vfio_iommu_type1 vfio iax_crypto intel_pmt_telemetry iTCO_wdt intel_pmt_class iTCO_vendor_support irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel rapl intel_cstate snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_seq [3966658.508537] vfio_virqfd [3966658.517569] snd_seq_device ipmi_ssif isst_if_mbox_pci isst_if_mmio pcspkr snd_pcm idxd intel_uncore ses isst_if_common intel_vsec idxd_bus enclosure snd_timer mei_me snd i2c_i801 i2c_smbus mei i2c_ismt soundcore joydev acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler acpi_power_meter acpi_pad vfat fat [3966658.526851] mdev [3966658.536096] nfsd auth_rpcgss nfs_acl lockd grace slb_vtoa(OE) sunrpc dm_mod hookers mlx5_ib(OE) ast i2c_algo_bit drm_vram_helper drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm_ttm_helper ttm mlx5_core(OE) mlxfw(OE) [3966658.540381] vfio_iommu_type1 [3966658.544341] nvme mpt3sas tls drm nvme_core pci_hyperv_intf raid_class psample libcrc32c crc32c_intel mlxdevm(OE) i2c_core [3966658.551254] vfio [3966658.558742] scsi_transport_sas wmi pinctrl_emmitsburg sd_mod t10_pi sg ahci libahci libata rdma_ucm(OE) ib_uverbs(OE) rdma_cm(OE) iw_cm(OE) ib_cm(OE) ib_umad(OE) ib_core(OE) ib_ucm(OE) mlx_compat(OE) [3966658.563004] iax_crypto [3966658.570988] [last unloaded: diagnose] [3966658.571027] ---[ end trace cc9dbb180f9ae537 ]--- Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Philip.Yang<Philip.Yang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25amd/amdkfd: resolve a race in amdgpu_amdkfd_device_fini_swYifan Zhang1-1/+9
There is race in amdgpu_amdkfd_device_fini_sw and interrupt. if amdgpu_amdkfd_device_fini_sw run in b/w kfd_cleanup_nodes and kfree(kfd), and KGD interrupt generated. kernel panic log: BUG: kernel NULL pointer dereference, address: 0000000000000098 amdgpu 0000:c8:00.0: amdgpu: Requesting 4 partitions through PSP PGD d78c68067 P4D d78c68067 kfd kfd: amdgpu: Allocated 3969056 bytes on gart PUD 1465b8067 PMD @ Oops: @002 [#1] SMP NOPTI kfd kfd: amdgpu: Total number of KFD nodes to be created: 4 CPU: 115 PID: @ Comm: swapper/115 Kdump: loaded Tainted: G S W OE K RIP: 0010:_raw_spin_lock_irqsave+0x12/0x40 Code: 89 e@ 41 5c c3 cc cc cc cc 66 66 2e Of 1f 84 00 00 00 00 00 OF 1f 40 00 Of 1f 44% 00 00 41 54 9c 41 5c fa 31 cO ba 01 00 00 00 <fO> OF b1 17 75 Ba 4c 89 e@ 41 Sc 89 c6 e8 07 38 5d RSP: 0018: ffffc90@1a6b0e28 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000018 0000000000000001 RSI: ffff8883bb623e00 RDI: 0000000000000098 ffff8883bb000000 RO8: ffff888100055020 ROO: ffff888100055020 0000000000000000 R11: 0000000000000000 R12: 0900000000000002 ffff888F2b97da0@ R14: @000000000000098 R15: ffff8883babdfo00 CS: 010 DS: 0000 ES: 0000 CRO: 0000000080050033 CR2: 0000000000000098 CR3: 0000000e7cae2006 CR4: 0000000002770ce0 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 0000000000000000 DR6: 00000000fffeO7FO DR7: 0000000000000400 PKRU: 55555554 Call Trace: <IRQ> kgd2kfd_interrupt+@x6b/0x1f@ [amdgpu] ? amdgpu_fence_process+0xa4/0x150 [amdgpu] kfd kfd: amdgpu: Node: 0, interrupt_bitmap: 3 YcpxFl Rant tErace amdgpu_irq_dispatch+0x165/0x210 [amdgpu] amdgpu_ih_process+0x80/0x100 [amdgpu] amdgpu: Virtual CRAT table created for GPU amdgpu_irq_handler+0x1f/@x60 [amdgpu] __handle_irq_event_percpu+0x3d/0x170 amdgpu: Topology: Add dGPU node [0x74a2:0x1002] handle_irq_event+0x5a/@xcO handle_edge_irq+0x93/0x240 kfd kfd: amdgpu: KFD node 1 partition @ size 49148M asm_call_irq_on_stack+0xf/@x20 </IRQ> common_interrupt+0xb3/0x130 asm_common_interrupt+0x1le/0x40 5.10.134-010.a1i5000.a18.x86_64 #1 Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Reviewed-by: Philip Yang<Philip.Yang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amd/display: Reject modes with too high pixel clock on DCE6-10Timur Kristóf5-3/+35
Reject modes with a pixel clock higher than the maximum display clock. Use 400 MHz as a fallback value when the maximum display clock is not known. Pixel clocks that are higher than the display clock just won't work and are not supported. With the addition of the YUV422 fallback, DC can now accidentally select a mode requiring higher pixel clock than actually supported when the DP version supports the required bandwidth but the clock is otherwise too high for the display engine. DCE 6-10 don't support these modes but they don't have a bandwidth calculation to reject them properly. Fixes: db291ed1732e ("drm/amd/display: Add fallback path for YCBCR422") Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amd: Drop unnecessary check in amdgpu_connector_add_common_modes()Mario Limonciello1-2/+0
[Why] amdgpu_connector_add_common_modes() has a check for the width and height of common modes being too small, but the array of common_modes[] has fixed values. The check is dead code. [How] Drop unnecessary check. Cc: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Link: https://lore.kernel.org/r/20250924161624.1975819-3-mario.limonciello@amd.com Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amd/display: Only enable common modes for eDP and LVDSMario Limonciello1-0/+4
[Why] The main reason common modes are added is for compatibility with clone mode when a laptop is connected to a projector or external monitor. Since commit 978fa2f6d0b12 ("drm/amd/display: Use scaling for non-native resolutions on eDP") when non-native modes are picked for eDP the GPU scalar will be used. This is because it is inconsistent whether eDP panels have the capability to actually drive non-native resolutions. With panels connected to other connectors this limitation generally doesn't exist as we the EDID will advertise support for a number of resolutions and monitors will use built in scaling hardware. Comparing DC and non-DC code paths the non-DC code path only adds common modes for LVDS and eDP whereas the DC codepath does it for all connector types. In the past there was an experiment done to disable common mode adding for eDP and LVDS from commit 6d396e7ac1ce3 ("drm/amd/display: Disable common modes for LVDS") and commit 7948afb46af92 ("drm/amd/display: Disable common modes for eDP") but this was reverted in commit a8b79b09185de ("drm/amd: Re-enable common modes for eDP and LVDS") because it caused problems with Xorg. [How] Only add common modes for eDP and LVDS for DC, matching the behavior of non-DC. Suggested-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Link: https://lore.kernel.org/r/20250924161624.1975819-2-mario.limonciello@amd.com Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amdgpu: remove the redeclaration of variable iSunil Khatri1-1/+0
Variable "i" has been redeclared as integer later in the function which is wrong and not serving any purpose. Fixes: 899fbde14646 ("drm/amdgpu: replace get_user_pages with HMM mirror helpers") Signed-off-by: Sunil Khatri <sunil.khatri@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amdgpu/userq: assign an error code for invalid userq vaPrike Liang1-0/+2
It should return an error code if userq VA validation fails. Fixes: 9e46b8bb0539 ("drm/amdgpu: validate userq buffer virtual address and size") Signed-off-by: Prike Liang <Prike.Liang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amdgpu: revert "rework reserved VMID handling" v2Christian König4-41/+50
This reverts commit e44a0fe630c58b0a87d8281f5c1077a3479e5fce. Initially we used VMID reservation to enforce isolation between processes. That has now been replaced by proper fence handling. Both OpenGL, RADV and ROCm developers requested a way to reserve a VMID for SPM, so restore that approach by reverting back to only allowing a single process to use the reserved VMID. Only compile tested for now. v2: use -ENOENT instead of -EINVAL if VMID is not available Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amdgpu: remove leftover from enforcing isolation by VMIDChristian König1-5/+0
Initially we enforced isolation by reserving a VMID, but that practice was now removed. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-25drm/amdgpu: Add fallback to pipe reset if KCQ ring reset failsJesse.Zhang1-0/+12
Add a fallback mechanism to attempt pipe reset when KCQ reset fails to recover the ring. After performing the KCQ reset and queue remapping, test the ring functionality. If the ring test fails, initiate a pipe reset as an additional recovery step. v2: fix the typo (Lijo) v3: try pipeline reset when kiq mapping fails (Lijo) Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/pm: Add VCN reset message support for SMU v13.0.12Jesse.Zhang3-1/+6
This commit adds support for VCN reset functionality in SMU v13.0.12 by: 1. Adding two new PPSMC messages in smu_v13_0_12_ppsmc.h: - PPSMC_MSG_ResetVCN (0x5E) - Updates PPSMC_Message_Count to 0x5F to account for new messages 2. Adding message mapping for ResetVCN in smu_v13_0_12_ppt.c: - Maps SMU_MSG_ResetVCN to PPSMC_MSG_ResetVCN These changes enable proper VCN reset handling through the SMU firmware interface for compatible AMD GPUs. v2: Added fw version check to support vcn queue reset. Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Reviewed-by: Sonny Jiang <sonny.jiang@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amdgpu: Move VCN reset mask setup to late_init for VCN 5.0.1Jesse.Zhang1-5/+20
This patch moves the initialization of the VCN supported_reset mask from sw_init to a new late_init function for VCN 5.0.1. The change ensures that all necessary hardware and firmware initialization is complete before determining the supported reset types. Key changes: - Added vcn_v5_0_1_late_init() function to handle late initialization - Moved supported_reset mask setup from sw_init to late_init - Added check for per-queue reset support via amdgpu_dpm_reset_vcn_is_supported() - Updated ip_funcs to use the new late_init function This change helps ensure proper reset behavior by waiting until all dependencies are initialized before determining available reset types. Reviewed-by: Sonny Jiang <sonny.jiang@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Signed-off-by: Ruili Ji <ruiliji2@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amdgpu: Add ring reset support for VCN v5.0.1Jesse.Zhang1-0/+26
Implement the ring reset callback for VCN v5.0.1 to properly handle hardware recovery when encountering GPU hangs. The new functionality: 1. Adds vcn_v5_0_1_ring_reset() function that: - Prepares for reset using amdgpu_ring_reset_helper_begin() - Performs VCN instance reset via amdgpu_dpm_reset_vcn() - Re-initializes hardware through vcn_v5_0_1_hw_init_inst() - Restarts DPG mode with vcn_v5_0_1_start_dpg_mode() - Completes reset with amdgpu_ring_reset_helper_end() 2. Hooks the reset function into the unified ring functions via: - Adding .reset = vcn_v5_0_1_ring_reset to vcn_v5_0_1_unified_ring_vm_funcs 3. Maintains existing behavior for SR-IOV VF cases by checking RRMT status This provides proper hardware recovery capabilities for VCN 5.0.1 IP block during fault conditions, matching functionality available in other VCN versions. v2: Remove the RRMT_ENABLED cap setting in the reset function and replace adev->vcn.inst[ring->me].indirect_sram with vinst->indirect_sram (Lijo) Reviewed-by: Sonny Jiang <sonny.jiang@amd.com> Suggested-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Signed-off-by: Ruili Ji <ruiliji2@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amdgpu: Refactor VCN v5.0.1 HW init into separate instance functionJesse.Zhang1-8/+19
Split the per-instance initialization code from vcn_v5_0_1_hw_init() into a new vcn_v5_0_1_hw_init_inst() function. This improves code organization by: 1. Separating the instance-specific initialization logic 2. Making the main init function more readable 3. Following the pattern used in queue reset The SR-IOV specific initialization remains in the main function since it has different requirements. Reviewed-by: Sonny Jiang <sonny.jiang@amd.com> Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Signed-off-by: Ruili Ji <ruiliji2@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23Documentation: add initial documenation for user queuesAlex Deucher2-0/+204
Add an initial documentation page for user mode queues. Reviewed-by: Rodrigo Siqueira <siqueira@igalia.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: remove output_tf_change flagMelissa Wen3-9/+4
Remove this flag as the driver stopped managing it individually since commit a4056c2a6344 ("drm/amd/display: use HW hdr mult for brightness boost"). After some back and forth it was reintroduced as a condition to `set_output_transfer_func()` in [1]. Without direct management, this flag only changes value when all surface update flags are set true on UPDATE_TYPE_FULL with no output TF status meaning. Fixes: bb622e0c0044 ("drm/amd/display: program output tf when required") [1] Signed-off-by: Melissa Wen <mwen@igalia.com> Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Optimize remove_duplicates() from O(N^2) to O(N)Kuan-Wei Chiu1-10/+11
Replace the previous O(N^2) implementation of remove_duplicates() with a O(N) version using a fast/slow pointer approach. The new version keeps only the first occurrence of each element and compacts the array in place, improving efficiency without changing functionality. Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com> Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: change dc stream color settings only in atomic commitMelissa Wen3-24/+66
Don't update DC stream color components during atomic check. The driver will continue validating the new CRTC color state but will not change DC stream color components. The DC stream color state will only be programmed at commit time in the `atomic_setup_commit` stage. It fixes gamma LUT loss reported by KDE users when changing brightness quickly or changing Display settings (such as overscan) with nightlight on and HDR. As KWin can do a test commit with color settings different from those that should be applied in a non-test-only commit, if the driver changes DC stream color state in atomic check, this state can be eventually HW programmed in commit tail, instead of the respective state set by the non-blocking commit. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4444 Reported-by: Xaver Hugl <xaver.hugl@gmail.com> Signed-off-by: Melissa Wen <mwen@igalia.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/ras: Add rascore status definitionYiPeng Chai2-0/+37
Add rascore status definition. V5: Merge the previous empty files. Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amdgpu: Use kmalloc_array() instead of kmalloc()Rahul Kumar4-8/+8
Documentation/process/deprecated.rst recommends against the use of kmalloc with dynamic size calculations due to the risk of overflow and smaller allocation being made than the caller was expecting. Replace kmalloc() with kmalloc_array() in amdgpu_amdkfd_gfx_v10.c, amdgpu_amdkfd_gfx_v10_3.c, amdgpu_amdkfd_gfx_v11.c and amdgpu_amdkfd_gfx_v12.c to make the intended allocation size clearer and avoid potential overflow issues. Suggested-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Rahul Kumar <rk0006818@gmail.com> Signed-off-by: Felix Kuehling <felix.kuehling@amd.com> Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: update color on atomic commit timeMelissa Wen1-1/+35
Use `atomic_commit_setup` to change the DC stream state. It's a preparation to remove from `atomic_check` changes in CRTC color components of DC stream state and prevent DC to commit TEST_ONLY changes. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/4444 Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Melissa Wen <mwen@igalia.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Promote DC to 3.2.351Taimur Hassan1-1/+1
- Disable stutter when programming watermarks on dcn32 - Improve brightness calculations - Fix saving vbios clocks during init for DCN314 - Enable DTM 3 on DCN3.1+ dGPUs - Add new ultra sleep field in DMUB - Isolate DCN401 SMU functions - Refactor and add logging of SMU functions. - Add dccg logging - Fix DCN35 clocks initialization Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: [FW Promotion] Release 0.1.28.0Taimur Hassan1-1/+1
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Taimur Hassan <Syed.Hassan@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Init DCN35 clocks from pre-os HW valuesLeo Li1-2/+119
[Why] We did not initialize dc clocks with boot-time hw values during init. This lead to incorrect clock values in dc, causing `dcn35_update_clocks` to make incorrect updates. [How] Correctly initialize DC with pre-os clk values from HW. s/dump/save/ as that accurately reflects the purpose of the functions. Fixes: 8774029f76b9 ("drm/amd/display: Add DCN35 CLK_MGR") Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Revert "correct sw cache timing to ensure dispclk ramping"Charlene Liu1-21/+9
[why] Need consider SSC enabled case This reverts commit f1fd8a9ac2aa5118f76baf28e6ca4d6962a485be. Reviewed-by: Ovidiu (Ovi) Bunea <ovidiu.bunea@amd.com> Reviewed-by: Chris Park <chris.park@amd.com> Signed-off-by: Charlene Liu <Charlene.Liu@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Correct sw cache timing to ensure dispclk rampingCharlene Liu1-9/+21
[why] Current driver will cache the dispclk right after send cmd to pmfw, but actual clock not reached yet. Change to only cache the dispclk setting after HW reached to the real clock. Also give some range as it might be in bypass clock setting. Reviewed-by: Yihan Zhu <yihan.zhu@amd.com> Signed-off-by: Charlene Liu <Charlene.Liu@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Insert dccg log for easy debugCharlene Liu1-3/+21
[why] Log for sequence tracking Reviewed-by: Ovidiu (Ovi) Bunea <ovidiu.bunea@amd.com> Reviewed-by: Yihan Zhu <yihan.zhu@amd.com> Signed-off-by: Charlene Liu <Charlene.Liu@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Remove wm_optimized_requiredDillon Varone5-14/+10
[WHY&HOW] This is a redundant field that is identically to optimized_required, so just replace it. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Dillon Varone <Dillon.Varone@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Set wm_pending when disable stutter w/a usedDillon Varone1-0/+1
[WHY&HOW] When stutter is disabled prior to watermark programming due to a w/a, wm_pending should be returned as true. Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Dillon Varone <Dillon.Varone@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Refactor SMU tracingDillon Varone5-14/+20
[WHY&HOW] Add new tracing and performance measurements for SMU messaging. Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Signed-off-by: Dillon Varone <Dillon.Varone@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Isolate dcn401 SMU functionsDillon Varone3-14/+140
[WHY&HOW] SMU interfaces are not backwards and forwards compatible, so they should be isolated per version. Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Signed-off-by: Dillon Varone <Dillon.Varone@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Add fast sync field in ultra sleep more for DMUBAllen Li2-1/+6
[Why&How] We need to inform DMUB whether fast sync in ultra sleep mode is supported, so that it can disable desync error detection when the it is not enabled. This helps prevent unexpected desync errors when transitioning out of ultra sleep mode. Add fast sync in ultra sleep mode field in replay copy setting command. Reviewed-by: Robin Chen <robin.chen@amd.com> Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Allen Li <wei-guang.li@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Use mpc.preblend flag to indicate preblendAlvin Lee2-2/+2
[Description] Modifications in per asic capability means mpc.preblend flag should be used to indicate preblend. Update relevant paths to use this flag. Fixes: 39923050615c ("drm/amd/display: Clear DPP 3DLUT Cap") Reviewed-by: Dillon Varone <dillon.varone@amd.com> Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Fix for test crash due to power gatingSridevi Arvindekar1-1/+2
[Why/How] Call power gating routine only if it is defined. Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Signed-off-by: Sridevi Arvindekar <sarvinde@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Enable DTM v3 on dGPUs with DCN 3.1+Ivan Lipski1-4/+8
[Why&How] Right now, only selected APUs have enabled DTM v3, which allows to use newer firmware for content protection. We want to enable it on the dGPUs starting with DCN 3.2 Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Init dispclk from bootup clock for DCN314Lo-an Chen3-5/+143
[Why] Driver does not pick up and save vbios's clocks during init clocks, the dispclk in clk_mgr will keep 0 until the first update clocks. In some cases, OS changes the timing in the second set mode (lower the pixel clock), causing the driver to lower the dispclk in prepare bandwidth, which is illegal and causes grey screen. [How] 1. Dump and save the vbios's clocks, and init the dispclk in dcn314_init_clocks. 2. Fix the condition in dcn314_update_clocks, regarding a 0kHz value. Reviewed-by: Charlene Liu <charlene.liu@amd.com> Signed-off-by: Lo-an Chen <lo-an.chen@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Handle interpolation for first data pointMario Limonciello1-0/+10
[Why] If the first data point for a custom brightness curve is not 0% luminance then the first few luminance values will be ignored. [How] Check signal is below first data point and if so do linear interpolation to 0 instead. Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Add monitor patch to read psr cap againPaul Hsieh2-0/+15
[Why & How] According to the vendor’s requirement, after each OUI write, the PSR cap must be read; otherwise, the vendor will default to using PSRSU. But its PSR cap indicates that it only supports PSR1. Reviewed-by: Wenjing Liu <wenjing.liu@amd.com> Signed-off-by: Paul Hsieh <Paul.Hsieh@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Add AVI infoframe copy in copy_stream_update_to_streamKarthi Kandasamy3-1/+15
[WHY] Ensure AVI infoframe updates from stream updates are applied to the active stream so OS overrides are not lost. [HOW] Copy avi_infopacket to stream when valid flag is set. Follow existing infopacket copy pattern and perform a basic validity check before assignment. Reviewed-by: Aric Cyr <aric.cyr@amd.com> Signed-off-by: Karthi Kandasamy <karthi.kandasamy@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Add missing post flip callsDillon Varone2-4/+7
[WHY&HOW] dc_post_update_surfaces_to_stream needs to be called after a full update completes in order to optimize clocks and watermarks for power. Add missing calls before idle entry is requested to ensure optimal power. Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Dillon Varone <Dillon.Varone@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/display: Disable stutter when programming watermarks on dcn32Dillon Varone4-6/+36
[WHY&HOW] Reprogramming watermarks with stutter allowed can cause instability on some ASICs. Disable it prior to raising watermarks (prepare bandwidth), then re-enable after lowering (optimize bandwidth). Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com> Signed-off-by: Dillon Varone <Dillon.Varone@amd.com> Signed-off-by: Ivan Lipski <ivan.lipski@amd.com> Tested-by: Dan Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amdgpu: Update amdgpu_vcn5_fw_shared for vcn_5_0_1Sonny Jiang1-1/+1
Align vcn5_fw_shared structure with FW Signed-off-by: Sonny Jiang <sonny.jiang@amd.com> Reviewed-by: Leo Liu <leo.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amdgpu: Enable MES lr_compute_wa by defaultMario Limonciello4-2/+15
The MES set resources packet has an optional bit 'lr_compute_wa' which can be used for preventing MES hangs on long compute jobs. Set this bit by default. Co-developed-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amdgpu: use hmm_pfns instead of array of pagesSunil Khatri9-49/+25
we dont need to allocate local array of pages to hold the pages returned by the hmm, instead we could use the hmm_range structure itself to get to hmm_pfn and get the required pages directly. This avoids call to alloc/free quite a lot. Signed-off-by: Sunil Khatri <sunil.khatri@amd.com> Suggested-by: Christian König <christian.koenig@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Acked-by: Felix Kuehling <felix.kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amd/pm: place the smu 13.0.0 pptable header into the correct folderYang Wang1-0/+0
Place the smu 13.0.0 pptable header in the correct folder Signed-off-by: Yang Wang <kevinyang.wang@amd.com> Reviewed-by: Mangesh Gadre <mangesh.gadre@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23drm/amdgpu: Fix vbios build number parsing logicLijo Lazar1-3/+4
It's not necessary that the build string and atom header section has a difference of 32 bytes. Use the remaining bytes in the section as copy limit. Fixes: d6fa80266178 ("drm/amdgpu: Add vbios build number interface") Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-21 10:13:37 +0000