drm/radeon: dpm updates for KV/KB

- Use vddc/sclk dep table for voltage if available
- Fix UVD DPM setup
- Patch voltage tables properly for non-UVD blocks
- Fix DPM + UVD/VCE on Mullins

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>

diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index 6666370..3f6e817 100644 (file)
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -546,6 +546,52 @@ static int kv_set_divider_value(struct radeon_device *rdev,
        return 0;
 }
 
+static u32 kv_convert_vid2_to_vid7(struct radeon_device *rdev,
+                                  struct sumo_vid_mapping_table *vid_mapping_table,
+                                  u32 vid_2bit)
+{
+       struct radeon_clock_voltage_dependency_table *vddc_sclk_table =
+               &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
+       u32 i;
+
+       if (vddc_sclk_table && vddc_sclk_table->count) {
+               if (vid_2bit < vddc_sclk_table->count)
+                       return vddc_sclk_table->entries[vid_2bit].v;
+               else
+                       return vddc_sclk_table->entries[vddc_sclk_table->count - 1].v;
+       } else {
+               for (i = 0; i < vid_mapping_table->num_entries; i++) {
+                       if (vid_mapping_table->entries[i].vid_2bit == vid_2bit)
+                               return vid_mapping_table->entries[i].vid_7bit;
+               }
+               return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_7bit;
+       }
+}
+
+static u32 kv_convert_vid7_to_vid2(struct radeon_device *rdev,
+                                  struct sumo_vid_mapping_table *vid_mapping_table,
+                                  u32 vid_7bit)
+{
+       struct radeon_clock_voltage_dependency_table *vddc_sclk_table =
+               &rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk;
+       u32 i;
+
+       if (vddc_sclk_table && vddc_sclk_table->count) {
+               for (i = 0; i < vddc_sclk_table->count; i++) {
+                       if (vddc_sclk_table->entries[i].v == vid_7bit)
+                               return i;
+               }
+               return vddc_sclk_table->count - 1;
+       } else {
+               for (i = 0; i < vid_mapping_table->num_entries; i++) {
+                       if (vid_mapping_table->entries[i].vid_7bit == vid_7bit)
+                               return vid_mapping_table->entries[i].vid_2bit;
+               }
+
+               return vid_mapping_table->entries[vid_mapping_table->num_entries - 1].vid_2bit;
+       }
+}
+
 static u16 kv_convert_8bit_index_to_voltage(struct radeon_device *rdev,
                                            u16 voltage)
 {
@@ -556,9 +602,9 @@ static u16 kv_convert_2bit_index_to_voltage(struct radeon_device *rdev,
                                            u32 vid_2bit)
 {
        struct kv_power_info *pi = kv_get_pi(rdev);
-       u32 vid_8bit = sumo_convert_vid2_to_vid7(rdev,
-                                                &pi->sys_info.vid_mapping_table,
-                                                vid_2bit);
+       u32 vid_8bit = kv_convert_vid2_to_vid7(rdev,
+                                              &pi->sys_info.vid_mapping_table,
+                                              vid_2bit);
 
        return kv_convert_8bit_index_to_voltage(rdev, (u16)vid_8bit);
 }
@@ -1362,13 +1408,20 @@ static int kv_update_uvd_dpm(struct radeon_device *rdev, bool gate)
        struct radeon_uvd_clock_voltage_dependency_table *table =
                &rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
        int ret;
+       u32 mask;
 
        if (!gate) {
-               if (!pi->caps_uvd_dpm || table->count || pi->caps_stable_p_state)
+               if (table->count)
                        pi->uvd_boot_level = table->count - 1;
                else
                        pi->uvd_boot_level = 0;
 
+               if (!pi->caps_uvd_dpm || pi->caps_stable_p_state) {
+                       mask = 1 << pi->uvd_boot_level;
+               } else {
+                       mask = 0x1f;
+               }
+
                ret = kv_copy_bytes_to_smc(rdev,
                                           pi->dpm_table_start +
                                           offsetof(SMU7_Fusion_DpmTable, UvdBootLevel),
@@ -1377,11 +1430,9 @@ static int kv_update_uvd_dpm(struct radeon_device *rdev, bool gate)
                if (ret)
                        return ret;
 
-               if (!pi->caps_uvd_dpm ||
-                   pi->caps_stable_p_state)
-                       kv_send_msg_to_smc_with_parameter(rdev,
-                                                         PPSMC_MSG_UVDDPM_SetEnabledMask,
-                                                         (1 << pi->uvd_boot_level));
+               kv_send_msg_to_smc_with_parameter(rdev,
+                                                 PPSMC_MSG_UVDDPM_SetEnabledMask,
+                                                 mask);
        }
 
        return kv_enable_uvd_dpm(rdev, !gate);
@@ -1812,6 +1863,8 @@ int kv_dpm_set_power_state(struct radeon_device *rdev)
                                return ret;
                        }
                        kv_update_sclk_t(rdev);
+                       if (rdev->family == CHIP_MULLINS)
+                               kv_enable_nb_dpm(rdev);
                }
        } else {
                if (pi->enable_dpm) {
@@ -1901,14 +1954,41 @@ static void kv_construct_max_power_limits_table(struct radeon_device *rdev,
 static void kv_patch_voltage_values(struct radeon_device *rdev)
 {
        int i;
-       struct radeon_uvd_clock_voltage_dependency_table *table =
+       struct radeon_uvd_clock_voltage_dependency_table *uvd_table =
                &rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table;
+       struct radeon_vce_clock_voltage_dependency_table *vce_table =
+               &rdev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table;
+       struct radeon_clock_voltage_dependency_table *samu_table =
+               &rdev->pm.dpm.dyn_state.samu_clock_voltage_dependency_table;
+       struct radeon_clock_voltage_dependency_table *acp_table =
+               &rdev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table;
+
+       if (uvd_table->count) {
+               for (i = 0; i < uvd_table->count; i++)
+                       uvd_table->entries[i].v =
+                               kv_convert_8bit_index_to_voltage(rdev,
+                                                                uvd_table->entries[i].v);
+       }
+
+       if (vce_table->count) {
+               for (i = 0; i < vce_table->count; i++)
+                       vce_table->entries[i].v =
+                               kv_convert_8bit_index_to_voltage(rdev,
+                                                                vce_table->entries[i].v);
+       }
 
-       if (table->count) {
-               for (i = 0; i < table->count; i++)
-                       table->entries[i].v =
+       if (samu_table->count) {
+               for (i = 0; i < samu_table->count; i++)
+                       samu_table->entries[i].v =
                                kv_convert_8bit_index_to_voltage(rdev,
-                                                                table->entries[i].v);
+                                                                samu_table->entries[i].v);
+       }
+
+       if (acp_table->count) {
+               for (i = 0; i < acp_table->count; i++)
+                       acp_table->entries[i].v =
+                               kv_convert_8bit_index_to_voltage(rdev,
+                                                                acp_table->entries[i].v);
        }
 
 }
@@ -2253,9 +2333,9 @@ static void kv_init_graphics_levels(struct radeon_device *rdev)
                                break;
 
                        kv_set_divider_value(rdev, i, table->entries[i].clk);
-                       vid_2bit = sumo_convert_vid7_to_vid2(rdev,
-                                                            &pi->sys_info.vid_mapping_table,
-                                                            table->entries[i].v);
+                       vid_2bit = kv_convert_vid7_to_vid2(rdev,
+                                                          &pi->sys_info.vid_mapping_table,
+                                                          table->entries[i].v);
                        kv_set_vid(rdev, i, vid_2bit);
                        kv_set_at(rdev, i, pi->at[i]);
                        kv_dpm_power_level_enabled_for_throttle(rdev, i, true);
@@ -2631,9 +2711,6 @@ int kv_dpm_init(struct radeon_device *rdev)
 
         pi->sram_end = SMC_RAM_END;
 
-       if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS)
-               pi->high_voltage_t = 4001;
-
        pi->enable_nb_dpm = true;
 
        pi->caps_power_containment = true;