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drm/amd/powerplay: add interface for forcing and unforcing dpm limit value

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That's base function for forcing and unforcing dpm limit value.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang 2019-09-23 11:02:40 +08:00 committed by Alex Deucher
parent 4045f36fce
commit 47e56b5318
1 changed files with 62 additions and 0 deletions
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62
drivers/gpu/drm/amd/powerplay/renoir_ppt.c
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@ -304,6 +304,66 @@ static int renoir_dpm_set_uvd_enable(struct smu_context *smu, bool enable)
return ret;
}
static int renoir_force_dpm_limit_value(struct smu_context *smu, bool highest)
{
int ret = 0, i = 0;
uint32_t min_freq, max_freq, force_freq;
enum smu_clk_type clk_type;
enum smu_clk_type clks[] = {
SMU_GFXCLK,
SMU_MCLK,
SMU_SOCCLK,
};
for (i = 0; i < ARRAY_SIZE(clks); i++) {
clk_type = clks[i];
ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq);
if (ret)
return ret;
force_freq = highest ? max_freq : min_freq;
ret = smu_set_soft_freq_range(smu, clk_type, force_freq, force_freq);
if (ret)
return ret;
}
return ret;
}
static int renoir_unforce_dpm_levels(struct smu_context *smu) {
int ret = 0, i = 0;
uint32_t min_freq, max_freq;
enum smu_clk_type clk_type;
struct clk_feature_map {
enum smu_clk_type clk_type;
uint32_t feature;
} clk_feature_map[] = {
{SMU_GFXCLK, SMU_FEATURE_DPM_GFXCLK_BIT},
{SMU_MCLK, SMU_FEATURE_DPM_UCLK_BIT},
{SMU_SOCCLK, SMU_FEATURE_DPM_SOCCLK_BIT},
};
for (i = 0; i < ARRAY_SIZE(clk_feature_map); i++) {
if (!smu_feature_is_enabled(smu, clk_feature_map[i].feature))
continue;
clk_type = clk_feature_map[i].clk_type;
ret = smu_get_dpm_freq_range(smu, clk_type, &min_freq, &max_freq);
if (ret)
return ret;
ret = smu_set_soft_freq_range(smu, clk_type, min_freq, max_freq);
if (ret)
return ret;
}
return ret;
}
static const struct pptable_funcs renoir_ppt_funcs = {
.get_smu_msg_index = renoir_get_smu_msg_index,
.get_smu_table_index = renoir_get_smu_table_index,
@ -313,6 +373,8 @@ static const struct pptable_funcs renoir_ppt_funcs = {
.print_clk_levels = renoir_print_clk_levels,
.get_current_power_state = renoir_get_current_power_state,
.dpm_set_uvd_enable = renoir_dpm_set_uvd_enable,
.force_dpm_limit_value = renoir_force_dpm_limit_value,
.unforce_dpm_levels = renoir_unforce_dpm_levels,
};
void renoir_set_ppt_funcs(struct smu_context *smu)