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2022-05-04drm/amd/display: Fix null pointer exception while load amdgpuSung Joon Kim
Recently we got a hard hang during the boot on DCN 3.0.1, which caused the below null pointer exception: [ +0.000426] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ +0.000003] #PF: supervisor read access in kernel mode [ +0.000003] #PF: error_code(0x0000) - not-present page [ +0.000003] PGD 0 P4D 0 [ +0.000004] Oops: 0000 [#1] PREEMPT SMP NOPTI [ +0.000005] CPU: 6 PID: 874 Comm: Xorg Not tainted 5.16.0.asdn-apr28+ #15 [ +0.000004] Hardware name: AMD Chachani-VN/Chachani-VN, BIOS WCH2303N 03/03/2022 [ +0.000003] RIP: 0010:resource_map_pool_resources+0x431/0xa70 [amdgpu] [ +0.000356] Code: c1 4d 89 c8 49 c1 e0 07 4d 01 c8 49 c1 e0 04 4d 01 f0 49 83 b8 f0 01 00 00 00 0f 85 16 02 00 00 49 8b b8 e0 02 00 00 89 45 c0 <48> 8b 17 4c 8b 92 a0 01 00 00 4d 85 d2 74 24 4c 89 4d 88 48 8d 4d [ +0.000003] RSP: 0018:ffffa92a4142f718 EFLAGS: 00010246 [ +0.000003] RAX: 0000000000000000 RBX: ffff9a0b86d93000 RCX: 0000000000000000 [ +0.000002] RDX: 0000000000000000 RSI: 000000000000554b RDI: 0000000000000000 [ +0.000002] RBP: ffffa92a4142f798 R08: ffff9a0bdb3c0000 0000000000000000 [ +0.000002] R10: 0000000000000000 R11: 000000000000f000 R12: 0000000000000000 [ +0.000001] R13: ffff9a0b88360000 R14: ffff9a0bdb3c0000 R15: ffff9a0b86273000 [ +0.000003] FS: 00007f4b5641ca40(0000) GS:ffff9a0cb7f80000(0000) knlGS:0000000000000000 [ +0.000002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ +0.000002] CR2: 0000000000000000 CR3: 0000000102cb2000 CR4: 00000000003506e0 [ +0.000003] Call Trace: [ +0.000002] <TASK> [ +0.000004] ? kvmalloc_node+0x5c/0x90 [ +0.000009] dcn20_add_stream_to_ctx+0x1c/0x90 [amdgpu] [ +0.000330] dcn30_add_stream_to_ctx+0xe/0x10 [amdgpu] [ +0.000313] dc_add_stream_to_ctx+0x67/0x80 [amdgpu] [ +0.000300] dm_update_crtc_state+0x4dd/0x6e0 [amdgpu] [ +0.000320] amdgpu_dm_atomic_check+0x63b/0x1270 [amdgpu] [ +0.000311] ? __drm_mode_object_add+0x90/0xc0 [drm] [ +0.000043] ? preempt_count_add+0x74/0xc0 [ +0.000005] ? _raw_spin_lock_irqsave+0x2a/0x60 [ +0.000006] ? _raw_spin_unlock_irqrestore+0x29/0x3d [ +0.000003] ? drm_connector_list_iter_next+0x8e/0xb0 [drm] [ +0.000038] drm_atomic_check_only+0x5dd/0xa20 [drm] [ +0.000044] drm_atomic_commit+0x18/0x60 [drm] [ +0.000046] drm_client_modeset_commit_atomic+0x1e5/0x220 [drm] [ +0.000051] drm_client_modeset_commit_locked+0x57/0x160 [drm] [ +0.000038] __drm_fb_helper_restore_fbdev_mode_unlocked+0x60/0xd0 [drm_kms_helper] [ +0.000027] drm_fb_helper_set_par+0x40/0x50 [drm_kms_helper] [ +0.000022] fb_set_var+0x1c8/0x3d0 [ +0.000007] ? __ext4_mark_inode_dirty+0x83/0x210 [ +0.000006] ? __ext4_journal_stop+0x3c/0xb0 [ +0.000008] fbcon_blank+0x228/0x290 [ +0.000007] do_unblank_screen+0xae/0x150 [ +0.000005] vt_ioctl+0xcf4/0x1360 [ +0.000005] ? get_max_files+0x20/0x20 [ +0.000005] ? get_max_files+0x20/0x20 [ +0.000004] ? debug_smp_processor_id+0x17/0x20 [ +0.000004] tty_ioctl+0x373/0x8a0 [ +0.000005] ? __fput+0x123/0x260 [ +0.000004] ? __fget_light+0xc5/0x100 [ +0.000005] __x64_sys_ioctl+0x91/0xc0 [ +0.000005] do_syscall_64+0x3b/0xc0 [ +0.000005] entry_SYSCALL_64_after_hwframe+0x44/0xae This issue happens because "pipe_ctx->stream_res.tg" needs to be initialized first before reading its members. This commit fixes this issue by properly initializing the pointer before accessing the target data. Fixes: 663d2daeaee6 ("drm/amd/display: Add odm seamless boot support") Cc: Agustin Gutierrez <agustin.gutierrez@amd.com> Signed-off-by: Sung Joon Kim <Sungjoon.Kim@amd.com> Reviewed-by: Agustin Gutierrez <agustin.gutierrez@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/discovery: Enable SMU for SMU 13.0.0Likun Gao
Enable SMU on SMU IP version 13.0.0 Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/soc21: enable ATHUB and MMHUB PGEvan Quan
Enable ATHUB and MMHUB powergating. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/smu: Update SMU13 support for SMU 13.0.0Evan Quan
Modify the common smu13 code and add a new smu 13.0.0 ppt file to handle the smu 13.0.0 specific configuration. v2: squash in typo fix in profile name Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/smu: add smu v13_0 header filesLikun Gao
Add driver_if ppsmc and pptable header files for smu v13_0_0 Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: enable the support for retrieving combo pptableEvan Quan
We need to relay on this way to get the raw PPTable when SCPM feature is enabled. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: correct SMU OverridePcieParameters related settingsEvan Quan
Correct the hw initialization sequence. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: enable SCPM support for SMUEvan Quan
With SCPM enabled, the pptable used will be signed. It cannot be used directly by driver. To get the raw pptable, we need to rely on the combo pptable(and its revelant SMU message). Also, the pptable transferring(to SMU) will be performed by PSP. Some SMU messages will be not available to driver any more. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: enable pptable ucode loadingEvan Quan
With SCPM enabled, pptable cannot be uploaded to SMU directly. The transferring has to be via PSP. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: update the hw initialization sequence around pptable setupEvan Quan
Place pptable setup after smu_set_driver_table_location. As under SCPM enabled scenario, the latter one is a prerequisite for the former one. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: correct the way for retrieving bootup clocksEvan Quan
The bootup clocks can be retrieved from the smu_info table. That is light-weight compared with existing way. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Kenneth Feng <kenneth.feng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: move bootup values retrieving to ->sw_initEvan Quan
Firsrt of all, the operations involved is to interact with VBIOS. They are fully supported at ->sw_init phase. Secondly, the new mechanism to upload pptable to SMU is introduced. With the new mechanism, the pptable transferring has to be via PSP. That requires the pptable ucode(and necessary bootupp values retrieving) must be ready before ->hw_init phase of PSP. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: fix NULL pointer issue of amdgpu_smu_stb_debug_fs_initLikun Gao
Fix NULL pointer issue on amdgpu_smu_stb_debug_fs_init if SMU block not enabled. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: enable pp_dpm_vclk/dclk sysfs interface support for SMU 13.0.0Evan Quan
Make the pp_dpm_vclk/dclk sysfs interfaces visible for SMU 13.0.0. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: query core refclk from bios for smu v13Hawking Zhang
The smu_info structrue for smu v13 is changed that core_refclk in v31 strucuture is not correct for smu v13_0_0 Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add updated smu_info structuresHawking Zhang
To match with smu v13_0_0 Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/discovery: add GMC 11.0 SupportLikun Gao
Enable GMC 11.0 on asics where it is present. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add gmc v11_0 ip block (v3)Tianci.Yin
Add support for GPU memory controller v11. v1: Add support for gmc v11.0 Add gmc 11 block (Tianci) v2: drop unused amdgpu_bo_late_init (Hawking) v3: squash in various fix Signed-off-by: Tianci.Yin <tianci.yin@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: save the setting of VM_CONTEXT_CNTLJack Xiao
MES firmware needs the setting of VM_CONTEXT_CNTL to perform vmid switch. Save the initial setting when hub initializing. Signed-off-by: Jack Xiao <Jack.Xiao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add mmhub v3_0 ip blockTianci.Yin
Add support for mmhub v3.0 Signed-off-by: Tianci.Yin <tianci.yin@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add mmhub v3_0_0 ip headers v6Hawking Zhang
Add mmhub v3_0_0 register offset and shift masks header files (Hawking) Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add gfxhub v3_0 ip blockTianci.Yin
Add support for gfxhub v3.0 Signed-off-by: Tianci.Yin <tianci.yin@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add athub v3_0 ip blockTianci.Yin
Add support for athub v3.0 Signed-off-by: Tianci.Yin <tianci.yin@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add athub v3_0_0 ip headers v6Hawking Zhang
Add athub v3_0_0 register offset and shift masks header files (Hawking) Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/discovery: Enable PSP for PSP 13.0.0Likun Gao
Enable PSP on PSP IP version 13.0.0 Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add tracking for the enablement of SCPMLikun Gao
Add parmeter to shows whether SCPM feature is enabled or not, and whether is valid. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: rework psp firmware nameLikun Gao
Use the new helper for deriving the fw name from the IP version. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: support psp v13_0_0 microcode initLikun Gao
Support psp v13_0_0 microcode init. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add support for spl fw load on psp v13Likun Gao
Support for spl firmware load on psp v13. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: extend PSP GFX FW typeLikun Gao
Extend PSP GFX FW type to support IMU, LSDMA, SDMA v6, RS64 MES related fw load. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: support print psp v2_0 hdr debug informationHawking Zhang
print out psp firmware v2_0 hdr information for debugging purpose Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Le Ma <le.ma@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/psp: deallocate memory when psp_load_fw failedAlice Wong
psp_load_fw failure would cause memory leak for psp tmr and psp ring because psp_hw_init is not called as psp block is not fully initialized. Clean up psp tmr and psp ring when psp_load_fw fail by calling psp_free_shared_bufs and psp_ring_destroy. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alice Wong <shiwei.wong@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/psp: move shared buffer frees into single functionAlex Deucher
So we can properly clean up if any of the TAs or TMR fails to properly initialize or terminate. This avoids any memory leaks in the error case. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/psp: fix memory leak in terminate functionsAlex Deucher
Make sure we free the memory even if the unload fails. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/psp: drop load/unload/init_shared_buf wrappersAlex Deucher
Just call the load/unload/init_shared_buf functions directly. Makes the code easier to follow. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amd/pm: Disable fan control if not supportedElena Sakhnovitch
On Sienna Cichild, not all platforms use PMFW based fan control (ex: fanless systems). On such ASICs fan control by PMFW will be disabled in PPTable. Disable hwmon knobs for fan control also as it is not possible to report or control fan speed on such platforms through driver. v3: FeaturesToRun casted as uint64_t Signed-off-by: Elena Sakhnovitch <elena.sakhnovitch@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: init smuio v13_0_6 callbacksHawking Zhang
initialize smuio callback for soc21 Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/psp: move PSP memory alloc from hw_init to sw_initAlex Deucher
Memory allocations should be done in sw_init. hw_init should just be hardware programming needed to initialize the IP block. This is how most other IP blocks work. Move the GPU memory allocations from psp hw_init to psp sw_init and move the memory free to sw_fini. This also fixes a potential GPU memory leak if psp hw_init fails. Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add smuio v13_0_6 supportHawking Zhang
add smuio v13_0_6 callbacks to support read rom image Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add smuio v13_0_6 ip headers v4Hawking Zhang
Add smuio v13_0_6 register offset and shift masks header files (Hawking) Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: Remove trailing spaceElena Sakhnovitch
Clean up trailing space in file sienna_cichlid_ppt.c. Signed-off-by: Elena Sakhnovitch <elena.sakhnovitch@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/discovery: add HDP v6Likun Gao
Enable HDP v6 on asics where it is present. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add hdp version 6 functionsLikun Gao
Unify hdp related function into hdp structure for hdp version 6. V2: Remove hdp invalidate function as hdp v6 doesn't have read cache. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: Free user pages if kvmalloc_array failsPhilip Yang
To cleanup the BOs of bo_list which have got user pages. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add hdp v6_0_0 ip headers v4Hawking Zhang
Add hdp v6_0_0 register offset and shift masks header files (Hawking) Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04gpu/drm/radeon: Fix spelling typo in commentspengfuyuan
Fix spelling typo in comments. Signed-off-by: pengfuyuan <pengfuyuan@kylinos.cn> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: simplify the return expression of navi10_ih_hw_init()Minghao Chi
Simplify the return expression. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: simplify the return expression of iceland_ih_hw_initMinghao Chi
Simplify the return expression. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu/discovery: add IH v6Likun Gao
Enable IH v6 on asics where it is present. Signed-off-by: Likun Gao <Likun.Gao@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-05-04drm/amdgpu: add ih v6_0 ip block v2Stanley.Yang
This adds ih v6_0 ip block support. IH is the interrupt handler. Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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