drm/amdgpu/nbio4.3: set proper rmmio_remap.reg_offset for SR-IOV

[ Upstream commit ab43213e7afd08ac68d4282060bacf309e70fd14 ]

Needed for HDP flush to work correctly.

Reviewed-by: Timmy Tsai <timmtsai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
index 09fdcd2..c52a378 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
@@ -344,6 +344,9 @@ static void nbio_v4_3_init_registers(struct amdgpu_device *adev)
                data &= ~RCC_DEV0_EPF2_STRAP2__STRAP_NO_SOFT_RESET_DEV0_F2_MASK;
                WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF2_STRAP2, data);
        }
+       if (amdgpu_sriov_vf(adev))
+               adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
+                       regBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
 }
 
 static u32 nbio_v4_3_get_rom_offset(struct amdgpu_device *adev)