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drm/amd/pm: drop arb table first byte workaround

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As this is not needed for polaris.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan
2020-06-18 16:23:52 +08:00
committed by Alex Deucher
parent e9016fc2ad
commit 7f95a2e01c
1 changed files with 0 additions and 31 deletions
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31
drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c
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@@ -1865,33 +1865,6 @@ static int polaris10_populate_avfs_parameters(struct pp_hwmgr *hwmgr)
return result;
}
static int polaris10_init_arb_table_index(struct pp_hwmgr *hwmgr)
{
struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(hwmgr->smu_backend);
uint32_t tmp;
int result;
/* This is a read-modify-write on the first byte of the ARB table.
* The first byte in the SMU73_Discrete_MCArbDramTimingTable structure
* is the field 'current'.
* This solution is ugly, but we never write the whole table only
* individual fields in it.
* In reality this field should not be in that structure
* but in a soft register.
*/
result = smu7_read_smc_sram_dword(hwmgr,
smu_data->smu7_data.arb_table_start, &tmp, SMC_RAM_END);
if (result)
return result;
tmp &= 0x00FFFFFF;
tmp |= ((uint32_t)MC_CG_ARB_FREQ_F1) << 24;
return smu7_write_smc_sram_dword(hwmgr,
smu_data->smu7_data.arb_table_start, tmp, SMC_RAM_END);
}
static void polaris10_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
{
struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(hwmgr->smu_backend);
@@ -2118,10 +2091,6 @@ static int polaris10_init_smc_table(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(0 == result,
"Failed to upload dpm data to SMC memory!", return result);
result = polaris10_init_arb_table_index(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to upload arb data to SMC memory!", return result);
result = polaris10_populate_pm_fuses(hwmgr);
PP_ASSERT_WITH_CODE(0 == result,
"Failed to populate PM fuses to SMC memory!", return result);