[PATCH 15/40] drm/amd/pm: drop redundant efuse mask calculations
Evan Quan
evan.quan at amd.com
Fri Oct 16 03:26:27 UTC 2020
By moving that in atomfw_read_efuse().
Change-Id: I532e2a5095d6cf533c93ee4382f1434a5265f802
Signed-off-by: Evan Quan <evan.quan at amd.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c | 8 +++++++-
drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.h | 2 +-
drivers/gpu/drm/amd/pm/powerplay/smumgr/fiji_smumgr.c | 3 +--
drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c | 3 +--
4 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
index 01dc46dc9c8a..1bde79dd30c9 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.c
@@ -1295,12 +1295,18 @@ int atomctrl_get_engine_clock_spread_spectrum(
}
int atomctrl_read_efuse(struct pp_hwmgr *hwmgr, uint16_t start_index,
- uint16_t end_index, uint32_t mask, uint32_t *efuse)
+ uint16_t end_index, uint32_t *efuse)
{
struct amdgpu_device *adev = hwmgr->adev;
+ uint32_t mask;
int result;
READ_EFUSE_VALUE_PARAMETER efuse_param;
+ if ((end_index - start_index) == 31)
+ mask = 0xFFFFFFFF;
+ else
+ mask = (1 << ((end_index - start_index) + 1)) - 1;
+
efuse_param.sEfuse.usEfuseIndex = cpu_to_le16((start_index / 32) * 4);
efuse_param.sEfuse.ucBitShift = (uint8_t)
(start_index - ((start_index / 32) * 32));
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.h b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.h
index 76ed2e413594..ee14635dfadf 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/ppatomctrl.h
@@ -300,7 +300,7 @@ extern int atomctrl_get_engine_pll_dividers_kong(struct pp_hwmgr *hwmgr,
uint32_t clock_value,
pp_atomctrl_clock_dividers_kong *dividers);
extern int atomctrl_read_efuse(struct pp_hwmgr *hwmgr, uint16_t start_index,
- uint16_t end_index, uint32_t mask, uint32_t *efuse);
+ uint16_t end_index, uint32_t *efuse);
extern int atomctrl_calculate_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
uint32_t sclk, uint16_t virtual_voltage_Id, uint16_t *voltage, uint16_t dpm_level, bool debug);
extern int atomctrl_get_engine_pll_dividers_ai(struct pp_hwmgr *hwmgr, uint32_t clock_value, pp_atomctrl_clock_dividers_ai *dividers);
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/fiji_smumgr.c
index ecb9ee46d6b3..fef9d3906fcc 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/fiji_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/fiji_smumgr.c
@@ -318,13 +318,12 @@ static bool fiji_is_hw_avfs_present(struct pp_hwmgr *hwmgr)
{
uint32_t efuse = 0;
- uint32_t mask = (1 << ((AVFS_EN_MSB - AVFS_EN_LSB) + 1)) - 1;
if (!hwmgr->not_vf)
return false;
if (!atomctrl_read_efuse(hwmgr, AVFS_EN_LSB, AVFS_EN_MSB,
- mask, &efuse)) {
+ &efuse)) {
if (efuse)
return true;
}
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c
index 0ecc18b55ffb..38a5cdcf5896 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/vegam_smumgr.c
@@ -1495,12 +1495,11 @@ static int vegam_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr)
(struct phm_ppt_v1_information *)(hwmgr->pptable);
struct phm_ppt_v1_clock_voltage_dependency_table *sclk_table =
table_info->vdd_dep_on_sclk;
- uint32_t mask = (1 << ((STRAP_ASIC_RO_MSB - STRAP_ASIC_RO_LSB) + 1)) - 1;
stretch_amount = (uint8_t)table_info->cac_dtp_table->usClockStretchAmount;
atomctrl_read_efuse(hwmgr, STRAP_ASIC_RO_LSB, STRAP_ASIC_RO_MSB,
- mask, &efuse);
+ &efuse);
min = 1200;
max = 2500;
--
2.28.0
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