UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amd/powerplay: add function to get power limit for smu11 (v2) 

Add smu_v11_0_get_power_limit function to get power limit vaule.

v2: update "set" to "get", it only implements "get" behavior. (Alex)

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2018-12-25 14:44:25 +08:00 committed by Alex Deucher
parent 133438fa4e
commit e66adb1eea
3 changed files with 30 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -397,6 +397,10 @@ static int smu_smc_table_hw_init(struct smu_context *smu)
if (ret)
return ret;
ret = smu_get_power_limit(smu);
if (ret)
return ret;
/*
* Set PMSTATUSLOG table bo address with SetToolsDramAddr MSG for tools.
*/

7
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -201,6 +201,9 @@ struct smu_context
uint32_t pstate_sclk;
uint32_t pstate_mclk;
uint32_t power_limit;
uint32_t default_power_limit;
};
struct pptable_funcs {
@ -247,7 +250,7 @@ struct smu_funcs
int (*enable_all_mask)(struct smu_context *smu);
int (*disable_all_mask)(struct smu_context *smu);
int (*notify_display_change)(struct smu_context *smu);
int (*get_power_limit)(struct smu_context *smu);
};
#define smu_init_microcode(smu) \
@ -322,6 +325,8 @@ struct smu_funcs
((smu)->ppt_funcs->set_default_dpm_table ? (smu)->ppt_funcs->set_default_dpm_table((smu)) : 0)
#define smu_populate_umd_state_clk(smu) \
((smu)->ppt_funcs->populate_umd_state_clk ? (smu)->ppt_funcs->populate_umd_state_clk((smu)) : 0)
#define smu_get_power_limit(smu) \
((smu)->funcs->get_power_limit? (smu)->funcs->get_power_limit((smu)) : 0)
#define smu_msg_get_index(smu, msg) \
((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL)

20
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
View File

@ -738,6 +738,25 @@ static int smu_v11_0_notify_display_change(struct smu_context *smu)
return ret;
}
static int smu_v11_0_get_power_limit(struct smu_context *smu)
{
int ret;
uint32_t power_limit_value;
ret = smu_send_smc_msg_with_param(smu,
SMU_MSG_GetPptLimit,
POWER_SOURCE_AC << 16);
if (ret) {
pr_err("[GetPptLimit] get default PPT limit failed!");
return ret;
}
smu_read_smc_arg(smu, &power_limit_value);
smu->power_limit = smu->default_power_limit = power_limit_value;
return 0;
}
static const struct smu_funcs smu_v11_0_funcs = {
.init_microcode = smu_v11_0_init_microcode,
.load_microcode = smu_v11_0_load_microcode,
@ -766,6 +785,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
.enable_all_mask = smu_v11_0_enable_all_mask,
.disable_all_mask = smu_v11_0_disable_all_mask,
.notify_display_change = smu_v11_0_notify_display_change,
.get_power_limit = smu_v11_0_get_power_limit,
};
void smu_v11_0_set_smu_funcs(struct smu_context *smu)