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| author | Alex Deucher <alexander.deucher@amd.com> | 2024-04-14 13:16:03 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-08 15:17:06 -0400 |
| commit | cab62e4839d50bba1f0b15e6c4358e962985fb02 (patch) | |
| tree | 665983b00368b9dc6c10fabd5c0d34bed2be7ad7 /drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | |
| parent | 0617cdde84621ba3309a985492136fb0c36e9303 (diff) | |
| download | linux-cab62e4839d50bba1f0b15e6c4358e962985fb02.tar.gz linux-cab62e4839d50bba1f0b15e6c4358e962985fb02.tar.bz2 linux-cab62e4839d50bba1f0b15e6c4358e962985fb02.zip | |
drm/amdgpu: add set_reg_remap callback for NBIO 6.1
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/gpu/drm/amd/amdgpu/nbio_v6_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c index 37615a77287b..5dc8663a29e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c @@ -394,6 +394,21 @@ static void nbio_v6_1_program_aspm(struct amdgpu_device *adev) #endif } +#define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE) + +static void nbio_v6_1_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, + mmBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2; + adev->rmmio_remap.bus_addr = 0; + } +} + const struct amdgpu_nbio_funcs nbio_v6_1_funcs = { .get_hdp_flush_req_offset = nbio_v6_1_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v6_1_get_hdp_flush_done_offset, @@ -412,5 +427,6 @@ const struct amdgpu_nbio_funcs nbio_v6_1_funcs = { .ih_control = nbio_v6_1_ih_control, .init_registers = nbio_v6_1_init_registers, .remap_hdp_registers = nbio_v6_1_remap_hdp_registers, - .program_aspm = nbio_v6_1_program_aspm, + .program_aspm = nbio_v6_1_program_aspm, + .set_reg_remap = nbio_v6_1_set_reg_remap, }; |