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| author | Chengming Gui <Jack.Gui@amd.com> | 2019-01-17 13:45:16 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 23:04:00 +0300 |
| commit | 4ebbe6192e7cd09eed63c87d9845d4e8227a27cb (patch) | |
| tree | 9831f841b8259ec0758c1ac5de77dd5c4b53fea1 /drivers | |
| parent | e0aa879479368b9dd09f75adc7a442cc777ce5b7 (diff) | |
| download | linux-4ebbe6192e7cd09eed63c87d9845d4e8227a27cb.tar.xz | |
drm/amd/powerplay: add display_config_changed for SMU11.
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c index 1908b91f22c6..0b13c9319fa9 100644 --- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c @@ -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, |