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| author | Evan Quan <evan.quan@amd.com> | 2020-08-18 17:58:06 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-10-15 12:21:07 -0400 |
| commit | 27747293ce24d6900614ae7a1075a1cfd38a32c3 (patch) | |
| tree | 0b9ae990acc764c3798fb10c1c67065629745cd0 | |
| parent | 3e66275e0946c1c11b1f130e3e82b41733276022 (diff) | |
| download | linux-27747293ce24d6900614ae7a1075a1cfd38a32c3.tar.bz2 | |
drm/amdgpu: fulfill Navi gfx and pcie settings on umd pstate switching(V2)
Fulfill Navi gfx and pcie settings on umd pstate switching.
V2: temporarily skip the pcie ASPM setting considering the ASPM function
is not fully enabled yet
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nv.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 47bd79c9e6ea..de0bf92ffa29 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -742,6 +742,29 @@ static void nv_pre_asic_init(struct amdgpu_device *adev) { } +static int nv_update_umd_stable_pstate(struct amdgpu_device *adev, + bool enter) +{ + if (enter) + amdgpu_gfx_rlc_enter_safe_mode(adev); + else + amdgpu_gfx_rlc_exit_safe_mode(adev); + + if (adev->gfx.funcs->update_perfmon_mgcg) + adev->gfx.funcs->update_perfmon_mgcg(adev, !enter); + + /* + * The ASPM function is not fully enabled and verified on + * Navi yet. Temporarily skip this until ASPM enabled. + */ +#if 0 + if (adev->nbio.funcs->enable_aspm) + adev->nbio.funcs->enable_aspm(adev, !enter); +#endif + + return 0; +} + static const struct amdgpu_asic_funcs nv_asic_funcs = { .read_disabled_bios = &nv_read_disabled_bios, @@ -762,6 +785,7 @@ static const struct amdgpu_asic_funcs nv_asic_funcs = .get_pcie_replay_count = &nv_get_pcie_replay_count, .supports_baco = &nv_asic_supports_baco, .pre_asic_init = &nv_pre_asic_init, + .update_umd_stable_pstate = &nv_update_umd_stable_pstate, }; static int nv_common_early_init(void *handle) |