This patch adds interface to init power function for smu.
It's to create smu_power_context structure, and allocate smu_dpm_context and
context size to fill the smu_power_context data.
v2: add detailed info to describe this function
Signed-off-by: Huang Rui <ray.huang@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 10 ++++++++++
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++
2 files changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 71da3dc..10316a2 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -85,6 +85,16 @@ static int smu_smc_table_sw_init(struct smu_context *smu)
return ret;
}
+ /**
+ * Create smu_power_context structure, and allocate smu_dpm_context and
+ * context size to fill the smu_power_context data.
+ */
+ ret = smu_init_power(smu);
+ if (ret) {
+ pr_err("Failed to init smu_init_power!\n");
+ return ret;
+ }
+
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 8ca9835..d6cb895 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -36,6 +36,7 @@ struct smu_funcs
{
int (*init_microcode)(struct smu_context *smu);
int (*init_smc_tables)(struct smu_context *smu);
+ int (*init_power)(struct smu_context *smu);
int (*load_microcode)(struct smu_context *smu);
int (*check_fw_status)(struct smu_context *smu);
int (*read_pptable_from_vbios)(struct smu_context *smu);
@@ -45,6 +46,8 @@ struct smu_funcs
((smu)->funcs->init_microcode ? (smu)->funcs->init_microcode((smu)) : 0)
#define smu_init_smc_tables(smu) \
((smu)->funcs->init_smc_tables ? (smu)->funcs->init_smc_tables((smu)) : 0)
+#define smu_init_power(smu) \
+ ((smu)->funcs->init_power ? (smu)->funcs->init_power((smu)) : 0)
#define smu_load_microcode(smu) \
((smu)->funcs->load_microcode ? (smu)->funcs->load_microcode((smu)) : 0)
#define smu_check_fw_status(smu) \
--
2.7.4
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