diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2024-04-14 13:54:48 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-08 15:17:06 -0400 |
| commit | 454847c9f41f5b3c9a26498d92ef8917b9a5174d (patch) | |
| tree | 0553045612c570b42185116269fb582ff8a119b2 | |
| parent | cacbbfbd24422c0b7bdb2a689dce4b822001bc84 (diff) | |
drm/amdgpu: add set_reg_remap callback for NBIO 2.3
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>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c index df218d5ca775..41ae0a6f9db8 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c @@ -553,6 +553,20 @@ static void nbio_v2_3_clear_doorbell_interrupt(struct amdgpu_device *adev) } } +#define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE) + +static void nbio_v2_3_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_v2_3_funcs = { .get_hdp_flush_req_offset = nbio_v2_3_get_hdp_flush_req_offset, .get_hdp_flush_done_offset = nbio_v2_3_get_hdp_flush_done_offset, @@ -577,4 +591,5 @@ const struct amdgpu_nbio_funcs nbio_v2_3_funcs = { .apply_lc_spc_mode_wa = nbio_v2_3_apply_lc_spc_mode_wa, .apply_l1_link_width_reconfig_wa = nbio_v2_3_apply_l1_link_width_reconfig_wa, .clear_doorbell_interrupt = nbio_v2_3_clear_doorbell_interrupt, + .set_reg_remap = nbio_v2_3_set_reg_remap, }; |