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drm/amd/pm: add gfx_state_change_set() for rn gfx power switch (v2)

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The gfx_state_change_set() funtion can support set GFX power
change status to D0/D3.

v2: make sure to register callback (Alex)

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Prike Liang 2020-10-20 15:58:30 +08:00 committed by Alex Deucher
parent 628c36d7b2
commit 8279bb4ec7
4 changed files with 30 additions and 9 deletions
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18
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
View File

@ -828,14 +828,14 @@ int amdgpu_gfx_get_num_kcq(struct amdgpu_device *adev)
void amdgpu_gfx_state_change_set(struct amdgpu_device *adev, enum gfx_change_state state)
{
mutex_lock(&adev->pm.mutex);
if (adev->powerplay.pp_funcs &&
adev->powerplay.pp_funcs->gfx_state_change_set)
if (is_support_sw_smu(adev)) {
smu_gfx_state_change_set(&adev->smu, state);
} else {
mutex_lock(&adev->pm.mutex);
if (adev->powerplay.pp_funcs &&
adev->powerplay.pp_funcs->gfx_state_change_set)
((adev)->powerplay.pp_funcs->gfx_state_change_set(
(adev)->powerplay.pp_handle, state));
mutex_unlock(&adev->pm.mutex);
(adev)->powerplay.pp_handle, state));
mutex_unlock(&adev->pm.mutex);
}
}

2
drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
View File

@ -576,6 +576,7 @@ struct pptable_funcs {
int (*post_init)(struct smu_context *smu);
void (*interrupt_work)(struct smu_context *smu);
int (*gpo_control)(struct smu_context *smu, bool enablement);
int (*gfx_state_change_set)(struct smu_context *smu, uint32_t state);
};
typedef enum {
@ -764,6 +765,7 @@ int smu_get_status_gfxoff(struct amdgpu_device *adev, uint32_t *value);
ssize_t smu_sys_get_gpu_metrics(struct smu_context *smu, void **table);
int smu_enable_mgpu_fan_boost(struct smu_context *smu);
int smu_gfx_state_change_set(struct smu_context *smu, uint32_t state);
#endif
#endif

12
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View File

@ -2529,3 +2529,15 @@ int smu_enable_mgpu_fan_boost(struct smu_context *smu)
return ret;
}
int smu_gfx_state_change_set(struct smu_context *smu, uint32_t state)
{
int ret = 0;
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->gfx_state_change_set)
ret = smu->ppt_funcs->gfx_state_change_set(smu, state);
mutex_unlock(&smu->mutex);
return ret;
}

7
drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c
View File

@ -1136,6 +1136,12 @@ static ssize_t renoir_get_gpu_metrics(struct smu_context *smu,
return sizeof(struct gpu_metrics_v2_0);
}
static int renoir_gfx_state_change_set(struct smu_context *smu, uint32_t state)
{
return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GpuChangeState, state, NULL);
}
static const struct pptable_funcs renoir_ppt_funcs = {
.set_power_state = NULL,
.print_clk_levels = renoir_print_clk_levels,
@ -1171,6 +1177,7 @@ static const struct pptable_funcs renoir_ppt_funcs = {
.get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
.set_pp_feature_mask = smu_cmn_set_pp_feature_mask,
.get_gpu_metrics = renoir_get_gpu_metrics,
.gfx_state_change_set = renoir_gfx_state_change_set,
};
void renoir_set_ppt_funcs(struct smu_context *smu)