drm/amd/powerplay: add set_uclk_to_highest_level for SMU11

add set_uclk_to_highest_level 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>

diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 62ca0ef..1908b91 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -1307,12 +1307,16 @@ vega20_get_profiling_clk_mask(struct smu_context *smu,
                              uint32_t *soc_mask)
 {
        struct vega20_dpm_table *dpm_table = (struct vega20_dpm_table *)smu->smu_dpm.dpm_context;
+       struct vega20_single_dpm_table *gfx_dpm_table;
+       struct vega20_single_dpm_table *mem_dpm_table;
+       struct vega20_single_dpm_table *soc_dpm_table;
+
        if (!smu->smu_dpm.dpm_context)
                return -EINVAL;
 
-       struct vega20_single_dpm_table *gfx_dpm_table = &(dpm_table->gfx_table);
-       struct vega20_single_dpm_table *mem_dpm_table = &(dpm_table->mem_table);
-       struct vega20_single_dpm_table *soc_dpm_table = &(dpm_table->soc_table);
+       gfx_dpm_table = &dpm_table->gfx_table;
+       mem_dpm_table = &dpm_table->mem_table;
+       soc_dpm_table = &dpm_table->soc_table;
 
        *sclk_mask = 0;
        *mclk_mask = 0;
@@ -1339,6 +1343,39 @@ vega20_get_profiling_clk_mask(struct smu_context *smu,
        return 0;
 }
 
+static int
+vega20_set_uclk_to_highest_dpm_level(struct smu_context *smu,
+                                    struct vega20_single_dpm_table *dpm_table)
+{
+       int ret = 0;
+       struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
+       if (!smu_dpm_ctx->dpm_context)
+               return -EINVAL;
+
+       if (smu_feature_is_enabled(smu, FEATURE_DPM_UCLK_BIT)) {
+               if (dpm_table->count <= 0) {
+                       pr_err("[%s] Dpm table has no entry!", __func__);
+                               return -EINVAL;
+               }
+
+               if (dpm_table->count > NUM_UCLK_DPM_LEVELS) {
+                       pr_err("[%s] Dpm table has too many entries!", __func__);
+                               return -EINVAL;
+               }
+
+               dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;
+               ret = smu_send_smc_msg_with_param(smu,
+                               SMU_MSG_SetHardMinByFreq,
+                               (PPCLK_UCLK << 16) | dpm_table->dpm_state.hard_min_level);
+               if (ret) {
+                       pr_err("[%s] Set hard min uclk failed!", __func__);
+                               return ret;
+               }
+       }
+
+       return ret;
+}
+
 static const struct pptable_funcs vega20_ppt_funcs = {
        .alloc_dpm_context = vega20_allocate_dpm_context,
        .store_powerplay_table = vega20_store_powerplay_table,