diff options
| author | Horace Chen <horace.chen@amd.com> | 2022-07-21 11:57:44 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-01 15:11:00 -0400 |
| commit | 119dc6c50eb9974e9dc0e6a17d8207592309c940 (patch) | |
| tree | 20bc258f21394953298dc1446be618117a672cbb /drivers/gpu/drm/amd/amdgpu | |
| parent | 09872b1c24220985c17e2d46737e1bb300f49ba0 (diff) | |
drm/amdgpu: add sriov nbio callback structure
[Why]
under SR-IOV, the nbio doorbell range will be defined by PF. So VF
nbio doorbell range registers will be blocked. It will cause violation
if VF access those registers directly.
[How]
create an nbio_v4_3_sriov_funcs for sriov nbio_v4_3 initialization to
skip the setting for the doorbell range registers.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Horace Chen <horace.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c | 44 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v4_3.h | 1 |
3 files changed, 49 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index 5fd56ebc3f6c..854ca8d4505b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -2242,7 +2242,10 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev) break; case IP_VERSION(4, 3, 0): case IP_VERSION(4, 3, 1): - adev->nbio.funcs = &nbio_v4_3_funcs; + if (amdgpu_sriov_vf(adev)) + adev->nbio.funcs = &nbio_v4_3_sriov_funcs; + else + adev->nbio.funcs = &nbio_v4_3_funcs; adev->nbio.hdp_flush_reg = &nbio_v4_3_hdp_flush_reg; break; case IP_VERSION(7, 7, 0): diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c index 982a89f841d5..15eb3658d70e 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c @@ -488,3 +488,47 @@ const struct amdgpu_nbio_funcs nbio_v4_3_funcs = { .get_rom_offset = nbio_v4_3_get_rom_offset, .program_aspm = nbio_v4_3_program_aspm, }; + + +static void nbio_v4_3_sriov_ih_doorbell_range(struct amdgpu_device *adev, + bool use_doorbell, int doorbell_index) +{ +} + +static void nbio_v4_3_sriov_sdma_doorbell_range(struct amdgpu_device *adev, int instance, + bool use_doorbell, int doorbell_index, + int doorbell_size) +{ +} + +static void nbio_v4_3_sriov_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, + int doorbell_index, int instance) +{ +} + +static void nbio_v4_3_sriov_gc_doorbell_init(struct amdgpu_device *adev) +{ +} + +const struct amdgpu_nbio_funcs nbio_v4_3_sriov_funcs = { + .get_hdp_flush_req_offset = nbio_v4_3_get_hdp_flush_req_offset, + .get_hdp_flush_done_offset = nbio_v4_3_get_hdp_flush_done_offset, + .get_pcie_index_offset = nbio_v4_3_get_pcie_index_offset, + .get_pcie_data_offset = nbio_v4_3_get_pcie_data_offset, + .get_rev_id = nbio_v4_3_get_rev_id, + .mc_access_enable = nbio_v4_3_mc_access_enable, + .get_memsize = nbio_v4_3_get_memsize, + .sdma_doorbell_range = nbio_v4_3_sriov_sdma_doorbell_range, + .vcn_doorbell_range = nbio_v4_3_sriov_vcn_doorbell_range, + .gc_doorbell_init = nbio_v4_3_sriov_gc_doorbell_init, + .enable_doorbell_aperture = nbio_v4_3_enable_doorbell_aperture, + .enable_doorbell_selfring_aperture = nbio_v4_3_enable_doorbell_selfring_aperture, + .ih_doorbell_range = nbio_v4_3_sriov_ih_doorbell_range, + .update_medium_grain_clock_gating = nbio_v4_3_update_medium_grain_clock_gating, + .update_medium_grain_light_sleep = nbio_v4_3_update_medium_grain_light_sleep, + .get_clockgating_state = nbio_v4_3_get_clockgating_state, + .ih_control = nbio_v4_3_ih_control, + .init_registers = nbio_v4_3_init_registers, + .remap_hdp_registers = nbio_v4_3_remap_hdp_registers, + .get_rom_offset = nbio_v4_3_get_rom_offset, +}; diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.h b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.h index ade43661d7a9..711999ceedf4 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.h +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.h @@ -28,5 +28,6 @@ extern const struct nbio_hdp_flush_reg nbio_v4_3_hdp_flush_reg; extern const struct amdgpu_nbio_funcs nbio_v4_3_funcs; +extern const struct amdgpu_nbio_funcs nbio_v4_3_sriov_funcs; #endif |