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| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2022-01-23 18:47:47 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-04-28 17:48:21 -0400 |
| commit | a8d59943b8846dc2cf7eafcd38dfa278d6f78158 (patch) | |
| tree | 8255ee80bda00cac51f6e6cf87c3456ee3ce773d /drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | |
| parent | f5fb30b6b3d8268db52c3a158e14bc64e9808c09 (diff) | |
| download | lwn-a8d59943b8846dc2cf7eafcd38dfa278d6f78158.tar.gz lwn-a8d59943b8846dc2cf7eafcd38dfa278d6f78158.zip | |
drm/amdgpu: update query ref clk from bios
Handle atom_gfx_info_v3_0 structure.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index 0900912be72d..494ca6a0f47a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -558,6 +558,13 @@ union smu_info { struct atom_smu_info_v3_1 v31; }; +union gfx_info { + struct atom_gfx_info_v2_2 v22; + struct atom_gfx_info_v2_4 v24; + struct atom_gfx_info_v2_7 v27; + struct atom_gfx_info_v3_0 v30; +}; + int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev) { struct amdgpu_mode_info *mode_info = &adev->mode_info; @@ -639,23 +646,26 @@ int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev) gfx_info); if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset)) { - struct atom_gfx_info_v2_2 *gfx_info = (struct atom_gfx_info_v2_2*) + union gfx_info *gfx_info = (union gfx_info *) (mode_info->atom_context->bios + data_offset); - if ((frev == 2) && (crev >= 2)) - spll->reference_freq = le32_to_cpu(gfx_info->rlc_gpu_timer_refclk); - ret = 0; + if ((frev == 3) || + (frev == 2 && crev == 6)) { + spll->reference_freq = le32_to_cpu(gfx_info->v30.golden_tsc_count_lower_refclk); + ret = 0; + } else if ((frev == 2) && + (crev >= 2) && + (crev != 6)) { + spll->reference_freq = le32_to_cpu(gfx_info->v22.rlc_gpu_timer_refclk); + ret = 0; + } else { + BUG(); + } } } return ret; } -union gfx_info { - struct atom_gfx_info_v2_4 v24; - struct atom_gfx_info_v2_7 v27; - struct atom_gfx_info_v3_0 v30; -}; - int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev) { struct amdgpu_mode_info *mode_info = &adev->mode_info; |