Commit 27747293 authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

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: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3e66275e

drivers/gpu/drm/amd/amdgpu/nv.c

+24 −0
Original line number Diff line number Diff line
@@ -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)

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