diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index c29d8b3131b7..32dadeee9514 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -2933,6 +2933,26 @@ int smu_set_light_sbr(struct smu_context *smu, bool enable) return ret; } +static int smu_get_prv_buffer_details(void *handle, void **addr, size_t *size) +{ + struct smu_context *smu = handle; + struct smu_table_context *smu_table = &smu->smu_table; + struct smu_table *memory_pool = &smu_table->memory_pool; + + if (!addr || !size) + return -EINVAL; + + *addr = NULL; + *size = 0; + mutex_lock(&smu->mutex); + if (memory_pool->bo) { + *addr = memory_pool->cpu_addr; + *size = memory_pool->size; + } + mutex_unlock(&smu->mutex); + + return 0; +} static const struct amd_pm_funcs swsmu_pm_funcs = { /* export for sysfs */ @@ -2984,6 +3004,7 @@ static const struct amd_pm_funcs swsmu_pm_funcs = { .get_max_sustainable_clocks_by_dc = smu_get_max_sustainable_clocks_by_dc, .load_firmware = smu_load_microcode, .gfx_state_change_set = smu_gfx_state_change_set, + .get_smu_prv_buf_details = smu_get_prv_buffer_details, }; int smu_wait_for_event(struct amdgpu_device *adev, enum smu_event_type event, |