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drm/amdgpu: fulfill Navi gfx and pcie settings on umd pstate switching(V2)

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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>
This commit is contained in:
Evan Quan 2020-08-18 17:58:06 +08:00 • committed by Alex Deucher
parent 3e66275e09
commit 27747293ce
1 changed files with 24 additions and 0 deletions
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24
drivers/gpu/drm/amd/amdgpu/nv.c
View file

@ -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)