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drm/amd/powerplay: report bootup clock as max supported on dpm disabled

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With gfxclk or uclk dpm disabled, it's reasonable to report bootup clock
as the max supported.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-07-17 16:32:27 +08:00 committed by Alex Deucher
parent fbdc5d8d84
commit 3a48c10d7f
1 changed files with 26 additions and 1 deletions
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27
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
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@ -137,12 +137,37 @@ int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
{ {
int ret = 0, clk_id = 0; int ret = 0, clk_id = 0;
uint32_t param = 0; uint32_t param = 0;
uint32_t clock_limit;
if (!min && !max) if (!min && !max)
return -EINVAL; return -EINVAL;
if (!smu_clk_dpm_is_enabled(smu, clk_type)) if (!smu_clk_dpm_is_enabled(smu, clk_type)) {
switch (clk_type) {
case SMU_MCLK:
case SMU_UCLK:
clock_limit = smu->smu_table.boot_values.uclk;
break;
case SMU_GFXCLK:
case SMU_SCLK:
clock_limit = smu->smu_table.boot_values.gfxclk;
break;
case SMU_SOCCLK:
clock_limit = smu->smu_table.boot_values.socclk;
break;
default:
clock_limit = 0;
break;
}
/* clock in Mhz unit */
if (min)
*min = clock_limit / 100;
if (max)
*max = clock_limit / 100;
return 0; return 0;
}
mutex_lock(&smu->mutex); mutex_lock(&smu->mutex);
clk_id = smu_clk_get_index(smu, clk_type); clk_id = smu_clk_get_index(smu, clk_type);