[PATCH] drm/amdgpu: Fix the mmio remap failure issue

[Ma Jun]

Initialize the rmmio_remap to fix the mmio remap issue when start the
kfdtest. The error message is as follows.
"Failed to map remapped mmio page on gpu_mem 0"

Signed-off-by: Ma Jun <Jun.Ma2 at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 6a8494f98d3e..979f5223877f 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1458,8 +1458,14 @@ static const struct amdgpu_asic_funcs vi_asic_funcs =
 
 static int vi_common_early_init(void *handle)
 {
+#define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	if (!amdgpu_sriov_vf(adev)) {
+		adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
+		adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
+	}
+
 	if (adev->flags & AMD_IS_APU) {
 		adev->smc_rreg = &cz_smc_rreg;
 		adev->smc_wreg = &cz_smc_wreg;
-- 
2.34.1