drm/amdgpu: Fix HDP flush for VFs on nbio v7.9

HDP flush remapping is not done for VFs. Keep the original offsets in VF
environment.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
index e90f33780803458c32843f2599c07e4f598ca659..b4723d68eab0f939ba057b67cf7712ddb512c8c8 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
@@ -431,6 +431,12 @@ static void nbio_v7_9_init_registers(struct amdgpu_device *adev)
        u32 inst_mask;
        int i;
 
+       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;
        WREG32_SOC15(NBIO, 0, regXCC_DOORBELL_FENCE,
                0xff & ~(adev->gfx.xcc_mask));