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drm/amdgpu: update query ref clk from bios

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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>
This commit is contained in:
Hawking Zhang 2022-01-23 18:47:47 +08:00 committed by Alex Deucher
parent f5fb30b6b3
commit a8d59943b8
1 changed files with 20 additions and 10 deletions
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30
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
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@ -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;