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Commit fa1d04e9 authored by Yintian Tao's avatar Yintian Tao Committed by Alex Deucher
Browse files

drm/amdgpu: access register without KIQ 



there is no need to access register such as mmSMC_IND_INDEX_11
and mmSMC_IND_DATA_11 through KIQ because they are VF-copy.

Signed-off-by: default avatarYintian Tao <yttao@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bde07815

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

+2 −2
Original line number Diff line number Diff line
@@ -112,8 +112,8 @@ static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg) 
	u32 r;



	spin_lock_irqsave(&adev->smc_idx_lock, flags);

	WREG32(mmSMC_IND_INDEX_11, (reg));

	r = RREG32(mmSMC_IND_DATA_11);

	WREG32_NO_KIQ(mmSMC_IND_INDEX_11, (reg));

	r = RREG32_NO_KIQ(mmSMC_IND_DATA_11);

	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);

	return r;

}