drm/amdgpu/navi10: Implement od clk printing

[Why]
Before this patch, navi10 overdrive settings could not be printed via
pp_od_clk_voltage

[How]
Implement printing for the overdrive settings for the following clocks
in navi10's ppt print_clk_levels implementation:

* SMU_OD_SCLK
* SMU_OD_MCLK
* SMU_OD_VDDC_CURVE

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Matt Coffin <mcoffin13@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 3e26c03d5eed63253a3bc9a3a9c507ff191c0cc9..4fbdf0e507f387ab2edbf4eafb836c8e29acb7c0 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -691,13 +691,25 @@ static bool navi10_is_support_fine_grained_dpm(struct smu_context *smu, enum smu
        return dpm_desc->SnapToDiscrete == 0 ? true : false;
 }
 
+static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_ID feature)
+{
+       return od_table->cap[feature];
+}
+
+
 static int navi10_print_clk_levels(struct smu_context *smu,
                        enum smu_clk_type clk_type, char *buf)
 {
+       OverDriveTable_t *od_table;
+       struct smu_11_0_overdrive_table *od_settings;
+       uint16_t *curve_settings;
        int i, size = 0, ret = 0;
        uint32_t cur_value = 0, value = 0, count = 0;
        uint32_t freq_values[3] = {0};
        uint32_t mark_index = 0;
+       struct smu_table_context *table_context = &smu->smu_table;
+       od_table = (OverDriveTable_t *)table_context->overdrive_table;
+       od_settings = smu->od_settings;
 
        switch (clk_type) {
        case SMU_GFXCLK:
@@ -748,6 +760,45 @@ static int navi10_print_clk_levels(struct smu_context *smu,
 
                }
                break;
+       case SMU_OD_SCLK:
+               if (!smu->od_enabled || !od_table || !od_settings)
+                       break;
+               if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_LIMITS))
+                       break;
+               size += sprintf(buf + size, "OD_SCLK:\n");
+               size += sprintf(buf + size, "0: %uMhz\n1: %uMhz\n", od_table->GfxclkFmin, od_table->GfxclkFmax);
+               break;
+       case SMU_OD_MCLK:
+               if (!smu->od_enabled || !od_table || !od_settings)
+                       break;
+               if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_UCLK_MAX))
+                       break;
+               size += sprintf(buf + size, "OD_MCLK:\n");
+               size += sprintf(buf + size, "0: %uMHz\n", od_table->UclkFmax);
+               break;
+       case SMU_OD_VDDC_CURVE:
+               if (!smu->od_enabled || !od_table || !od_settings)
+                       break;
+               if (!navi10_od_feature_is_supported(od_settings, SMU_11_0_ODFEATURE_GFXCLK_CURVE))
+                       break;
+               size += sprintf(buf + size, "OD_VDDC_CURVE:\n");
+               for (i = 0; i < 3; i++) {
+                       switch (i) {
+                       case 0:
+                               curve_settings = &od_table->GfxclkFreq1;
+                               break;
+                       case 1:
+                               curve_settings = &od_table->GfxclkFreq2;
+                               break;
+                       case 2:
+                               curve_settings = &od_table->GfxclkFreq3;
+                               break;
+                       default:
+                               break;
+                       }
+                       size += sprintf(buf + size, "%d: %uMHz @ %umV\n", i, curve_settings[0], curve_settings[1] / NAVI10_VOLTAGE_SCALE);
+               }
+               break;
        default:
                break;
        }
@@ -1661,11 +1712,6 @@ static inline void navi10_dump_od_table(OverDriveTable_t *od_table) {
        pr_debug("OD: OverDrivePct: %d\n", od_table->OverDrivePct);
 }
 
-static inline bool navi10_od_feature_is_supported(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODFEATURE_ID feature)
-{
-       return od_table->cap[feature];
-}
-
 static int navi10_od_setting_check_range(struct smu_11_0_overdrive_table *od_table, enum SMU_11_0_ODSETTING_ID setting, uint32_t value)
 {
        if (value < od_table->min[setting]) {