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

This patch adds interface to check pptable function for smu.
It's to check if the format_revision in vbios is up to pptable header version,
and the structure size is not 0.

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 18:41:58 +08:00 committed by Alex Deucher
parent a6b35900dc
commit 46126e6dad
2 changed files with 11 additions and 0 deletions
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8
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -145,6 +145,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu)
if (ret)
return ret;
/*
* check if the format_revision in vbios is up to pptable header
* version, and the structure size is not 0.
*/
ret = smu_check_pptable(smu);
if (ret)
return ret;
return 0;
}

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

@ -41,6 +41,7 @@ struct smu_funcs
int (*check_fw_status)(struct smu_context *smu);
int (*read_pptable_from_vbios)(struct smu_context *smu);
int (*get_vbios_bootup_values)(struct smu_context *smu);
int (*check_pptable)(struct smu_context *smu);
};
#define smu_init_microcode(smu) \
@ -57,6 +58,8 @@ struct smu_funcs
((smu)->funcs->read_pptable_from_vbios ? (smu)->funcs->read_pptable_from_vbios((smu)) : 0)
#define smu_get_vbios_bootup_values(smu) \
((smu)->funcs->get_vbios_bootup_values ? (smu)->funcs->get_vbios_bootup_values((smu)) : 0)
#define smu_check_pptable(smu) \
((smu)->funcs->check_pptable ? (smu)->funcs->check_pptable((smu)) : 0)
extern const struct amd_ip_funcs smu_ip_funcs;