diff options
| author | Alex Deucher <[email protected]> | 2024-04-14 13:33:56 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-05-08 15:17:06 -0400 |
| commit | 9d0e2915c4c6815b222545a526fa599f58f498c7 (patch) | |
| tree | a875b36f8d0d87f3f65474620066467a89b27560 | |
| parent | b2648640b924c575ce72b87576df7d91c887914c (diff) | |
drm/amdgpu: add set_reg_remap callback for NBIO 7.4
This will be used to consolidate the register remap offset
configuration and fix HDP flushes on systems non-4K pages.
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c index 19986ff6a48d..b684eb519d2a 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c @@ -792,6 +792,21 @@ static void nbio_v7_4_program_aspm(struct amdgpu_device *adev) #endif } +#define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE) + +static void nbio_v7_4_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_v7_4_funcs = { .get_hdp_flush_req_offset = nbio_v7_4_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v7_4_get_hdp_flush_done_offset, @@ -813,4 +828,5 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = { .init_registers = nbio_v7_4_init_registers, .remap_hdp_registers = nbio_v7_4_remap_hdp_registers, .program_aspm = nbio_v7_4_program_aspm, + .set_reg_remap = nbio_v7_4_set_reg_remap, }; |