From: Kevin Wang <kevin1.wang@xxxxxxx>
add this function to get dpm clock information.
Signed-off-by: Kevin Wang <kevin1.wang@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 33 +++++++++++++++++++
.../gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 2 ++
2 files changed, 35 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 5404f32cc2c5..482fdad1d5f9 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -93,6 +93,39 @@ int smu_set_soft_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
return ret;
}
+int smu_set_hard_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_SetHardMaxByFreq,
+ 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_SetHardMinByFreq,
+ 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)
{
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 416ea7b85761..5289453f9422 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -943,4 +943,6 @@ 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);
+int smu_set_hard_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
+ uint32_t min, uint32_t max);
#endif
--
2.20.1
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