diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c index 4df1055e640a..fb37e354a9d5 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c @@ -324,6 +324,21 @@ static void nbio_v7_7_get_clockgating_state(struct amdgpu_device *adev, *flags |= AMD_CG_SUPPORT_BIF_LS; } +#define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE) + +static void nbio_v7_7_set_reg_remap(struct amdgpu_device *adev) +{ + if (!amdgpu_sriov_vf(adev) && (PAGE_SIZE <= 4096)) { + adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET; + adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET; + } else { + adev->rmmio_remap.reg_offset = + SOC15_REG_OFFSET(NBIO, 0, + regBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2; + adev->rmmio_remap.bus_addr = 0; + } +} + const struct amdgpu_nbio_funcs nbio_v7_7_funcs = { .get_hdp_flush_req_offset = nbio_v7_7_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v7_7_get_hdp_flush_done_offset, @@ -345,4 +360,5 @@ const struct amdgpu_nbio_funcs nbio_v7_7_funcs = { .ih_control = nbio_v7_7_ih_control, .init_registers = nbio_v7_7_init_registers, .remap_hdp_registers = nbio_v7_7_remap_hdp_registers, + .set_reg_remap = nbio_v7_7_set_reg_remap, }; |