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drm/amd/powerplay: add helper function of smu_set_soft_freq_range 

add this helper function to get dpm clk information.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang 2019-04-19 10:19:28 +08:00 committed by Alex Deucher
parent 8b3d243e47
commit 0d7cbd2807
2 changed files with 35 additions and 0 deletions
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33
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -60,6 +60,39 @@ int smu_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t
return ret;
}
int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t min, uint32_t max)
{
int ret = 0, clk_id = 0;
uint32_t param;
if (min <= 0 && max <= 0)
return -EINVAL;
clk_id = smu_clk_get_index(smu, clk_type);
if (clk_id < 0)
return clk_id;
if (max > 0) {
param = (uint32_t)((clk_id << 16) | (max & 0xffff));
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMaxByFreq,
param);
if (ret)
return ret;
}
if (min > 0) {
param = (uint32_t)((clk_id << 16) | (min & 0xffff));
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetSoftMinByFreq,
param);
if (ret)
return ret;
}
return ret;
}
int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t *min, uint32_t *max)
{

2
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -941,4 +941,6 @@ int smu_get_dpm_level_count(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t *value);
int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t *min, uint32_t *max);
int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t min, uint32_t max);
#endif