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drm/amdgpu: access register without KIQ

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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: Yintian Tao <yttao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yintian Tao 2018-08-15 16:20:55 +08:00 committed by Alex Deucher
parent bde0781561
commit fa1d04e9a8
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/amdgpu/vi.c
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@ -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;
}