diff options
| author | Victor Skvortsov <victor.skvortsov@amd.com> | 2024-08-08 19:22:34 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-13 18:12:52 +0200 |
| commit | f83cec3b3a7c968bbceb810b7acd1baf3fe8cd87 (patch) | |
| tree | c2fc37bb40f7b0a68d1401721b7a45eb743e7b5f | |
| parent | Revert "drm/amdgpu: Extend KIQ reg polling wait for VF" (diff) | |
| download | linux-f83cec3b3a7c968bbceb810b7acd1baf3fe8cd87.tar.xz linux-f83cec3b3a7c968bbceb810b7acd1baf3fe8cd87.zip | |
drm/amdgpu: Disable dpm_enabled flag while VF is in reset
VFs do not perform HW fini/suspend in FLR, so the dpm_enabled
is incorrectly kept enabled. Add interface to disable it in
virt_pre_reset call.
v2: Made implementation generic for all asics
v3: Re-order conditionals so PP_MP1_STATE_FLR is only evaluated on VF
Signed-off-by: Victor Skvortsov <victor.skvortsov@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_pp_interface.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 6 |
5 files changed, 17 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 29a4adee9286..a6b8d0ba4758 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5289,10 +5289,8 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, if (reset_context->reset_req_dev == adev) job = reset_context->job; - if (amdgpu_sriov_vf(adev)) { - /* stop the data exchange thread */ - amdgpu_virt_fini_data_exchange(adev); - } + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_pre_reset(adev); amdgpu_fence_driver_isr_toggle(adev, true); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index b287a82e6177..b6397d3229e1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -33,6 +33,7 @@ #include "amdgpu.h" #include "amdgpu_ras.h" #include "amdgpu_reset.h" +#include "amdgpu_dpm.h" #include "vi.h" #include "soc15.h" #include "nv.h" @@ -849,6 +850,13 @@ enum amdgpu_sriov_vf_mode amdgpu_virt_get_sriov_vf_mode(struct amdgpu_device *ad return mode; } +void amdgpu_virt_pre_reset(struct amdgpu_device *adev) +{ + /* stop the data exchange thread */ + amdgpu_virt_fini_data_exchange(adev); + amdgpu_dpm_set_mp1_state(adev, PP_MP1_STATE_FLR); +} + void amdgpu_virt_post_reset(struct amdgpu_device *adev) { if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(11, 0, 3)) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index b42a8854dca0..b650a2032c42 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -376,6 +376,7 @@ u32 amdgpu_sriov_rreg(struct amdgpu_device *adev, u32 offset, u32 acc_flags, u32 hwip, u32 xcc_id); bool amdgpu_virt_fw_load_skip_check(struct amdgpu_device *adev, uint32_t ucode_id); +void amdgpu_virt_pre_reset(struct amdgpu_device *adev); void amdgpu_virt_post_reset(struct amdgpu_device *adev); bool amdgpu_sriov_xnack_support(struct amdgpu_device *adev); bool amdgpu_virt_get_rlcg_reg_access_flag(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 4b20e2274313..19a48d98830a 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -218,6 +218,7 @@ enum pp_mp1_state { PP_MP1_STATE_SHUTDOWN, PP_MP1_STATE_UNLOAD, PP_MP1_STATE_RESET, + PP_MP1_STATE_FLR, }; enum pp_df_cstate { diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c index 8b7d6ed7e2ed..9dc82f4d7c93 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c @@ -168,7 +168,11 @@ int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev, int ret = 0; const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; - if (pp_funcs && pp_funcs->set_mp1_state) { + if (mp1_state == PP_MP1_STATE_FLR) { + /* VF lost access to SMU */ + if (amdgpu_sriov_vf(adev)) + adev->pm.dpm_enabled = false; + } else if (pp_funcs && pp_funcs->set_mp1_state) { mutex_lock(&adev->pm.mutex); ret = pp_funcs->set_mp1_state( |