diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2024-04-14 13:37:08 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-08 15:17:06 -0400 |
| commit | f9a2274b33cfbc34c00b91a8de8b4369118a1f76 (patch) | |
| tree | 8374b802474d37887bcd7917a4bb7b42604af950 /drivers | |
| parent | 9d0e2915c4c6815b222545a526fa599f58f498c7 (diff) | |
drm/amdgpu: add set_reg_remap callback for NBIO 7.9
This will be used to consolidate the register remap offset
configuration and fix HDP flushes on systems non-4K pages.
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c index 40d1e209eab7..c2e78294c4fd 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c @@ -475,6 +475,23 @@ static u64 nbio_v7_9_get_pcie_replay_count(struct amdgpu_device *adev) return (nak_r + nak_g); } +#define MMIO_REG_HOLE_OFFSET 0x1A000 + +static void nbio_v7_9_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_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) + << 2; + adev->rmmio_remap.bus_addr = 0; + } +} + const struct amdgpu_nbio_funcs nbio_v7_9_funcs = { .get_hdp_flush_req_offset = nbio_v7_9_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v7_9_get_hdp_flush_done_offset, @@ -499,6 +516,7 @@ const struct amdgpu_nbio_funcs nbio_v7_9_funcs = { .get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode, .init_registers = nbio_v7_9_init_registers, .get_pcie_replay_count = nbio_v7_9_get_pcie_replay_count, + .set_reg_remap = nbio_v7_9_set_reg_remap, }; static void nbio_v7_9_query_ras_error_count(struct amdgpu_device *adev, |