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drm/amd/powerplay: add display_config_changed for SMU11.

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add display_config_changed to support sys interface for SMU11.

Signed-off-by: Chengming Gui <Jack.Gui@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:
Chengming Gui 2019-01-17 18:45:16 +08:00 committed by Alex Deucher
parent e0aa879479
commit 4ebbe6192e
1 changed files with 42 additions and 0 deletions
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42
drivers/gpu/drm/amd/powerplay/vega20_ppt.c
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@ -1376,6 +1376,48 @@ vega20_set_uclk_to_highest_dpm_level(struct smu_context *smu,
return ret;
}
static int vega20_display_config_changed(struct smu_context *smu)
{
int ret = 0;
struct vega20_dpm_table *dpm_table = smu->smu_dpm.dpm_context;
if (!smu->funcs)
return -EINVAL;
if (!smu->smu_dpm.dpm_context ||
!smu->smu_table.tables ||
!smu->smu_table.tables[TABLE_WATERMARKS].cpu_addr)
return -EINVAL;
smu_send_smc_msg_with_param(smu, SMU_MSG_NumOfDisplays, 0);
ret = vega20_set_uclk_to_highest_dpm_level(smu,
&dpm_table->mem_table);
if (ret) {
pr_err("Failed to set uclk to highest dpm level");
return ret;
}
if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
!(smu->watermarks_bitmap & WATERMARKS_LOADED)) {
ret = smu->funcs->write_watermarks_table(smu);
if (ret) {
pr_err("Failed to update WMTABLE!");
return ret;
}
smu->watermarks_bitmap |= WATERMARKS_LOADED;
}
if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
smu_feature_is_supported(smu, FEATURE_DPM_DCEFCLK_BIT) &&
smu_feature_is_supported(smu, FEATURE_DPM_SOCCLK_BIT)) {
smu_send_smc_msg_with_param(smu,
SMU_MSG_NumOfDisplays,
smu->display_config->num_display);
}
return ret;
}
static const struct pptable_funcs vega20_ppt_funcs = {
.alloc_dpm_context = vega20_allocate_dpm_context,
.store_powerplay_table = vega20_store_powerplay_table,