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drm/amdgpu: switch to cached fw flags for sram ecc cap 

Check cached firmware_flags to determine whether
sram ecc is supported or not.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2021-05-13 22:02:29 +08:00 committed by Alex Deucher
parent 58ff791ad3
commit 698b101086
1 changed files with 7 additions and 21 deletions
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28
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
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@ -437,33 +437,19 @@ bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
}
/*
* Helper function to query sram ecc capablity
*
* @adev: amdgpu_device pointer
*
* Return true if vbios supports sram ecc or false if not
*/
bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev)
{
struct amdgpu_mode_info *mode_info = &adev->mode_info;
int index;
u16 data_offset, size;
union firmware_info *firmware_info;
u8 frev, crev;
bool sram_ecc_supported = false;
u32 fw_cap;
index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
firmwareinfo);
fw_cap = adev->mode_info.firmware_flags;
if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context,
index, &size, &frev, &crev, &data_offset)) {
/* support firmware_info 3.1 + */
if ((frev == 3 && crev >=1) || (frev > 3)) {
firmware_info = (union firmware_info *)
(mode_info->atom_context->bios + data_offset);
sram_ecc_supported =
(le32_to_cpu(firmware_info->v31.firmware_capability) &
ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false;
}
}
return sram_ecc_supported;
return (fw_cap & ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false;
}
union smu_info {