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drm/amd/powerplay: add interface to write pptable (v2)

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This patch adds interface to write pptable for smu.
It's to copy pptable bo in the vram to smc with SMU MSGs such as
SetDriverDramAddr and TransferTableDram2Smu.

v2: add detailed info to describe this function

Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Huang Rui 2018-12-04 21:57:05 +08:00 • committed by Alex Deucher
parent a751b09589
commit 31b5ae495d
2 changed files with 11 additions and 0 deletions
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8
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View file

@ -192,6 +192,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu)
if (ret)
return ret;
/*
* Copy pptable bo in the vram to smc with SMU MSGs such as
* SetDriverDramAddr and TransferTableDram2Smu.
*/
ret = smu_write_pptable(smu);
if (ret)
return ret;
return 0;
}

3
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View file

@ -45,6 +45,7 @@ struct smu_funcs
int (*parse_pptable)(struct smu_context *smu);
int (*populate_smc_pptable)(struct smu_context *smu);
int (*check_fw_version)(struct smu_context *smu);
int (*write_pptable)(struct smu_context *smu);
};
#define smu_init_microcode(smu) \
@ -69,6 +70,8 @@ struct smu_funcs
((smu)->funcs->populate_smc_pptable ? (smu)->funcs->populate_smc_pptable((smu)) : 0)
#define smu_check_fw_version(smu) \
((smu)->funcs->check_fw_version ? (smu)->funcs->check_fw_version((smu)) : 0)
#define smu_write_pptable(smu) \
((smu)->funcs->write_pptable ? (smu)->funcs->write_pptable((smu)) : 0)
extern const struct amd_ip_funcs smu_ip_funcs;