diff options
| author | Kevin Wang <kevin1.wang@amd.com> | 2019-07-12 10:22:40 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-16 21:08:23 +0300 |
| commit | 54728170e00cecfac0394c6ee7ea4043778a512b (patch) | |
| tree | a58d38077a1af7af503d6844b935836560a73ff7 /drivers/gpu/drm/amd | |
| parent | 8e33376b7649b353ffd55f2b40fe129ead3880f7 (diff) | |
| download | linux-54728170e00cecfac0394c6ee7ea4043778a512b.tar.xz | |
drm/amd/powerplay: add helper of smu_clk_dpm_is_enabled for smu
v2: change function name to smu_clk_dpm_is_enabled.
add this helper function to check dpm clk feature is enabled.
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 63 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 |
2 files changed, 41 insertions, 23 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 8150cb81009f..20257c036a65 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -69,6 +69,9 @@ int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type, if (min <= 0 && max <= 0) return -EINVAL; + if (!smu_clk_dpm_is_enabled(smu, clk_type)) + return 0; + clk_id = smu_clk_get_index(smu, clk_type); if (clk_id < 0) return clk_id; @@ -102,6 +105,9 @@ int smu_set_hard_freq_range(struct smu_context *smu, enum smu_clk_type clk_type, if (min <= 0 && max <= 0) return -EINVAL; + if (!smu_clk_dpm_is_enabled(smu, clk_type)) + return 0; + clk_id = smu_clk_get_index(smu, clk_type); if (clk_id < 0) return clk_id; @@ -135,29 +141,8 @@ int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type, if (!min && !max) return -EINVAL; - switch (clk_type) { - case SMU_MCLK: - case SMU_UCLK: - if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) { - pr_warn("uclk dpm is not enabled\n"); - return 0; - } - break; - case SMU_GFXCLK: - case SMU_SCLK: - if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_GFXCLK_BIT)) { - pr_warn("gfxclk dpm is not enabled\n"); - return 0; - } - case SMU_SOCCLK: - if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_SOCCLK_BIT)) { - pr_warn("sockclk dpm is not enabled\n"); - return 0; - } - break; - default: - break; - } + if (!smu_clk_dpm_is_enabled(smu, clk_type)) + return 0; mutex_lock(&smu->mutex); clk_id = smu_clk_get_index(smu, clk_type); @@ -200,6 +185,9 @@ int smu_get_dpm_freq_by_index(struct smu_context *smu, enum smu_clk_type clk_typ if (!value) return -EINVAL; + if (!smu_clk_dpm_is_enabled(smu, clk_type)) + return 0; + clk_id = smu_clk_get_index(smu, clk_type); if (clk_id < 0) return clk_id; @@ -228,6 +216,35 @@ int smu_get_dpm_level_count(struct smu_context *smu, enum smu_clk_type clk_type, return smu_get_dpm_freq_by_index(smu, clk_type, 0xff, value); } +bool smu_clk_dpm_is_enabled(struct smu_context *smu, enum smu_clk_type clk_type) +{ + enum smu_feature_mask feature_id = 0; + + switch (clk_type) { + case SMU_MCLK: + case SMU_UCLK: + feature_id = SMU_FEATURE_DPM_UCLK_BIT; + break; + case SMU_GFXCLK: + case SMU_SCLK: + feature_id = SMU_FEATURE_DPM_GFXCLK_BIT; + break; + case SMU_SOCCLK: + feature_id = SMU_FEATURE_DPM_SOCCLK_BIT; + break; + default: + return true; + } + + if(!smu_feature_is_enabled(smu, feature_id)) { + pr_warn("smu %d clk dpm feature %d is not enabled\n", clk_type, feature_id); + return false; + } + + return true; +} + + int smu_dpm_set_power_gate(struct smu_context *smu, uint32_t block_type, bool gate) { diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index c97324ef7db2..135a3236f7ed 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -973,5 +973,6 @@ int smu_set_hard_freq_range(struct smu_context *smu, enum smu_clk_type clk_type, enum amd_dpm_forced_level smu_get_performance_level(struct smu_context *smu); int smu_force_performance_level(struct smu_context *smu, enum amd_dpm_forced_level level); int smu_set_display_count(struct smu_context *smu, uint32_t count); +bool smu_clk_dpm_is_enabled(struct smu_context *smu, enum smu_clk_type clk_type); #endif |