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drm/amd/powerplay: implement get_current_clk_freq for smu11

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This patch implements get_current_clk_freq for smu11 future use.

Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-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:
Kevin Wang 2019-01-15 10:54:45 +08:00 committed by Alex Deucher
parent e66adb1eea
commit bed3b3a1e1
2 changed files with 27 additions and 0 deletions
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3
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
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@ -251,6 +251,7 @@ struct smu_funcs
int (*disable_all_mask)(struct smu_context *smu);
int (*notify_display_change)(struct smu_context *smu);
int (*get_power_limit)(struct smu_context *smu);
int (*get_current_clk_freq)(struct smu_context *smu, uint32_t clk_id, uint32_t *value);
};
#define smu_init_microcode(smu) \
@ -327,6 +328,8 @@ struct smu_funcs
((smu)->ppt_funcs->populate_umd_state_clk ? (smu)->ppt_funcs->populate_umd_state_clk((smu)) : 0)
#define smu_get_power_limit(smu) \
((smu)->funcs->get_power_limit? (smu)->funcs->get_power_limit((smu)) : 0)
#define smu_get_current_clk_freq(smu, clk_id, value) \
((smu)->funcs->get_current_clk_freq? (smu)->funcs->get_current_clk_freq((smu), (clk_id), (value)) : 0)
#define smu_msg_get_index(smu, msg) \
((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL)

24
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
View File

@ -757,6 +757,29 @@ static int smu_v11_0_get_power_limit(struct smu_context *smu)
return 0;
}
static int smu_v11_0_get_current_clk_freq(struct smu_context *smu, uint32_t clk_id, uint32_t *value)
{
int ret = 0;
uint32_t freq;
if (clk_id >= PPCLK_COUNT || !value)
return -EINVAL;
ret = smu_send_smc_msg_with_param(smu,
SMU_MSG_GetDpmClockFreq, (clk_id << 16));
if (ret)
return ret;
ret = smu_read_smc_arg(smu, &freq);
if (ret)
return ret;
freq *= 100;
*value = freq;
return ret;
}
static const struct smu_funcs smu_v11_0_funcs = {
.init_microcode = smu_v11_0_init_microcode,
.load_microcode = smu_v11_0_load_microcode,
@ -786,6 +809,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
.disable_all_mask = smu_v11_0_disable_all_mask,
.notify_display_change = smu_v11_0_notify_display_change,
.get_power_limit = smu_v11_0_get_power_limit,
.get_current_clk_freq = smu_v11_0_get_current_clk_freq,
};
void smu_v11_0_set_smu_funcs(struct smu_context *smu)