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drm/amd/powerplay: add interface to read pptable from vbios 

This patch adds interface to read pptable from vbios for smu.

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 17:14:41 +08:00 committed by Alex Deucher
parent e11c4fd578
commit 05cadcd339
2 changed files with 21 additions and 1 deletions
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19
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -87,6 +87,17 @@ static int smu_sw_fini(void *handle)
return 0;
}
static int smu_smc_table_hw_init(struct smu_context *smu)
{
int ret;
ret = smu_read_pptable_from_vbios(smu);
if (ret)
return ret;
return 0;
}
static int smu_hw_init(void *handle)
{
int ret;
@ -110,13 +121,19 @@ static int smu_hw_init(void *handle)
mutex_lock(&smu->mutex);
/* TODO */
ret = smu_smc_table_hw_init(smu);
if (ret)
goto failed;
mutex_unlock(&smu->mutex);
pr_info("SMU is initialized successfully!\n");
return 0;
failed:
mutex_unlock(&smu->mutex);
return ret;
}
static int smu_hw_fini(void *handle)

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

@ -37,6 +37,7 @@ struct smu_funcs
int (*init_microcode)(struct smu_context *smu);
int (*load_microcode)(struct smu_context *smu);
int (*check_fw_status)(struct smu_context *smu);
int (*read_pptable_from_vbios)(struct smu_context *smu);
};
#define smu_init_microcode(smu) \
@ -45,6 +46,8 @@ struct smu_funcs
((smu)->funcs->load_microcode ? (smu)->funcs->load_microcode((smu)) : 0)
#define smu_check_fw_status(smu) \
((smu)->funcs->check_fw_status ? (smu)->funcs->check_fw_status((smu)) : 0)
#define smu_read_pptable_from_vbios(smu) \
((smu)->funcs->read_pptable_from_vbios ? (smu)->funcs->read_pptable_from_vbios((smu)) : 0)
extern const struct amd_ip_funcs smu_ip_funcs;