Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-15 00:21:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/powerplay: fix bug that get wrong polaris evv voltage.

Browse Source 
value is 32 bits for polaris, not 16.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2016-06-29 16:37:35 +08:00 committed by Alex Deucher
parent 4b2427605e
commit e5eb37170b
3 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
View File

@ -2685,7 +2685,7 @@ static int polaris10_get_evv_voltages(struct pp_hwmgr *hwmgr)
{
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
uint16_t vv_id;
uint16_t vddc = 0;
uint32_t vddc = 0;
uint16_t i, j;
uint32_t sclk = 0;
struct phm_ppt_v1_information *table_info =
@ -2716,8 +2716,9 @@ static int polaris10_get_evv_voltages(struct pp_hwmgr *hwmgr)
continue);
/* need to make sure vddc is less than 2v or else, it could burn the ASIC. */
PP_ASSERT_WITH_CODE((vddc < 2000 && vddc != 0),
/* need to make sure vddc is less than 2v or else, it could burn the ASIC.
* real voltage level in unit of 0.01mv */
PP_ASSERT_WITH_CODE((vddc < 200000 && vddc != 0),
"Invalid VDDC value", result = -EINVAL;);
/* the voltage should not be zero nor equal to leakage ID */

4
drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
View File

@ -1256,7 +1256,7 @@ int atomctrl_set_ac_timing_ai(struct pp_hwmgr *hwmgr, uint32_t memory_clock,
}
int atomctrl_get_voltage_evv_on_sclk_ai(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
uint32_t sclk, uint16_t virtual_voltage_Id, uint16_t *voltage)
uint32_t sclk, uint16_t virtual_voltage_Id, uint32_t *voltage)
{
int result;
@ -1274,7 +1274,7 @@ int atomctrl_get_voltage_evv_on_sclk_ai(struct pp_hwmgr *hwmgr, uint8_t voltage_
if (0 != result)
return result;
*voltage = get_voltage_info_param_space.usVoltageLevel;
*voltage = ((GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_3 *)(&get_voltage_info_param_space))->ulVoltageLevel;
return result;
}

2
drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.h
View File

@ -305,7 +305,7 @@ extern int atomctrl_get_engine_pll_dividers_ai(struct pp_hwmgr *hwmgr, uint32_t
extern int atomctrl_set_ac_timing_ai(struct pp_hwmgr *hwmgr, uint32_t memory_clock,
uint8_t level);
extern int atomctrl_get_voltage_evv_on_sclk_ai(struct pp_hwmgr *hwmgr, uint8_t voltage_type,
uint32_t sclk, uint16_t virtual_voltage_Id, uint16_t *voltage);
uint32_t sclk, uint16_t virtual_voltage_Id, uint32_t *voltage);
extern int atomctrl_get_smc_sclk_range_table(struct pp_hwmgr *hwmgr, struct pp_atom_ctrl_sclk_range_table *table);
extern int atomctrl_get_avfs_information(struct pp_hwmgr *hwmgr, struct pp_atom_ctrl__avfs_parameters *param);