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drm/amdgpu/powerplay: Apply avfs cks-off voltages on VI

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commit cf4197ed57 upstream.

Instead of EVV cks-off voltages, avfs cks-off voltages can avoid
the overshoot voltages when switching sclk.

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kenneth Feng
2018-12-06 11:56:14 +08:00
committed by Greg Kroah-Hartman
parent f0e9995f7e
commit d68d2ad544
2 changed files with 8 additions and 0 deletions
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2
drivers/gpu/drm/amd/powerplay/inc/smu7_ppsmc.h
View File

@@ -386,6 +386,8 @@ typedef uint16_t PPSMC_Result;
#define PPSMC_MSG_AgmResetPsm ((uint16_t) 0x403)
#define PPSMC_MSG_ReadVftCell ((uint16_t) 0x404)
#define PPSMC_MSG_ApplyAvfsCksOffVoltage ((uint16_t) 0x415)
#define PPSMC_MSG_GFX_CU_PG_ENABLE ((uint16_t) 0x280)
#define PPSMC_MSG_GFX_CU_PG_DISABLE ((uint16_t) 0x281)
#define PPSMC_MSG_GetCurrPkgPwr ((uint16_t) 0x282)

6
drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
View File

@@ -1984,6 +1984,12 @@ int polaris10_thermal_avfs_enable(struct pp_hwmgr *hwmgr)
smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs);
/* Apply avfs cks-off voltages to avoid the overshoot
* when switching to the highest sclk frequency
*/
if (data->apply_avfs_cks_off_voltage)
smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ApplyAvfsCksOffVoltage);
return 0;
}