drm/radeon/dpm: move platform caps fetching to a separate function

It's needed by by both the asic specific functions and the
extended table parser.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

13 files changed, 68 insertions, 27 deletions

diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index ea103ccdf4bd..f81d7ca134db 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -2601,6 +2601,10 @@ int btc_dpm_init(struct radeon_device *rdev)
         pi->min_vddc_in_table = 0;
         pi->max_vddc_in_table = 0;
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = rv7xx_parse_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 8d49104ca6c2..4a0c40186046 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -4959,9 +4959,6 @@ static int ci_parse_power_table(struct radeon_device *rdev)
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
         power_state_offset = (u8 *)state_array->states;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
         for (i = 0; i < state_array->ucNumEntries; i++) {
                 u8 *idx;
                 power_state = (union pplib_power_state *)power_state_offset;
@@ -5077,6 +5074,12 @@ int ci_dpm_init(struct radeon_device *rdev)
                 ci_dpm_fini(rdev);
                 return ret;
         }
+
+        ret = r600_get_platform_caps(rdev);
+        if (ret) {
+                ci_dpm_fini(rdev);
+                return ret;
+        }
         ret = ci_parse_power_table(rdev);
         if (ret) {
                 ci_dpm_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index cf783fc0ef21..5a9a5f4d7888 100644
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -2036,6 +2036,10 @@ int cypress_dpm_init(struct radeon_device *rdev)
         pi->min_vddc_in_table = 0;
         pi->max_vddc_in_table = 0;
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = rv7xx_parse_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index 351db361239d..b5bb3a5654ce 100644
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -2538,9 +2538,6 @@ static int kv_parse_power_table(struct radeon_device *rdev)
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
         power_state_offset = (u8 *)state_array->states;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
         for (i = 0; i < state_array->ucNumEntries; i++) {
                 u8 *idx;
                 power_state = (union pplib_power_state *)power_state_offset;
@@ -2590,6 +2587,10 @@ int kv_dpm_init(struct radeon_device *rdev)
                 return -ENOMEM;
         rdev->pm.dpm.priv = pi;
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = r600_parse_extended_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 1217fbcbdcca..89fc5b976d9b 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -4025,9 +4025,6 @@ static int ni_parse_power_table(struct radeon_device *rdev)
                                   power_info->pplib.ucNumStates, GFP_KERNEL);
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
 
         for (i = 0; i < power_info->pplib.ucNumStates; i++) {
                 power_state = (union pplib_power_state *)
@@ -4089,6 +4086,10 @@ int ni_dpm_init(struct radeon_device *rdev)
         pi->min_vddc_in_table = 0;
         pi->max_vddc_in_table = 0;
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = ni_parse_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index e4cc9b314ce9..e8b6e4ab312b 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -834,6 +834,26 @@ static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependen
         return 0;
 }
 
+int r600_get_platform_caps(struct radeon_device *rdev)
+{
+        struct radeon_mode_info *mode_info = &rdev->mode_info;
+        union power_info *power_info;
+        int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+        u16 data_offset;
+        u8 frev, crev;
+
+        if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
+                                   &frev, &crev, &data_offset))
+                return -EINVAL;
+        power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+
+        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
+        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
+        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
+
+        return 0;
+}
+
 /* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */
 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12
 #define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14
diff --git a/drivers/gpu/drm/radeon/r600_dpm.h b/drivers/gpu/drm/radeon/r600_dpm.h
index 07eab2b04e81..46b9d2a03018 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.h
+++ b/drivers/gpu/drm/radeon/r600_dpm.h
@@ -215,6 +215,8 @@ void r600_stop_dpm(struct radeon_device *rdev);
 
 bool r600_is_internal_thermal_sensor(enum radeon_int_thermal_type sensor);
 
+int r600_get_platform_caps(struct radeon_device *rdev);
+
 int r600_parse_extended_power_table(struct radeon_device *rdev);
 void r600_free_extended_power_table(struct radeon_device *rdev);
 
diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c
index 8512085b0aef..02f7710de470 100644
--- a/drivers/gpu/drm/radeon/rs780_dpm.c
+++ b/drivers/gpu/drm/radeon/rs780_dpm.c
@@ -807,9 +807,6 @@ static int rs780_parse_power_table(struct radeon_device *rdev)
                                   power_info->pplib.ucNumStates, GFP_KERNEL);
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
 
         for (i = 0; i < power_info->pplib.ucNumStates; i++) {
                 power_state = (union pplib_power_state *)
@@ -859,6 +856,10 @@ int rs780_dpm_init(struct radeon_device *rdev)
                 return -ENOMEM;
         rdev->pm.dpm.priv = pi;
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = rs780_parse_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index bebf31c4d841..e7045b085715 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1891,9 +1891,6 @@ static int rv6xx_parse_power_table(struct radeon_device *rdev)
                                   power_info->pplib.ucNumStates, GFP_KERNEL);
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
 
         for (i = 0; i < power_info->pplib.ucNumStates; i++) {
                 power_state = (union pplib_power_state *)
@@ -1943,6 +1940,10 @@ int rv6xx_dpm_init(struct radeon_device *rdev)
                 return -ENOMEM;
         rdev->pm.dpm.priv = pi;
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = rv6xx_parse_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
index 5b2ea8ac0731..9098c86ca006 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.c
+++ b/drivers/gpu/drm/radeon/rv770_dpm.c
@@ -2281,9 +2281,6 @@ int rv7xx_parse_power_table(struct radeon_device *rdev)
                                   power_info->pplib.ucNumStates, GFP_KERNEL);
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
 
         for (i = 0; i < power_info->pplib.ucNumStates; i++) {
                 power_state = (union pplib_power_state *)
@@ -2361,6 +2358,10 @@ int rv770_dpm_init(struct radeon_device *rdev)
         pi->min_vddc_in_table = 0;
         pi->max_vddc_in_table = 0;
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = rv7xx_parse_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index eafb0e6bc67e..d5024778cabe 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -6271,9 +6271,6 @@ static int si_parse_power_table(struct radeon_device *rdev)
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
         power_state_offset = (u8 *)state_array->states;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
         for (i = 0; i < state_array->ucNumEntries; i++) {
                 u8 *idx;
                 power_state = (union pplib_power_state *)power_state_offset;
@@ -6350,6 +6347,10 @@ int si_dpm_init(struct radeon_device *rdev)
         pi->min_vddc_in_table = 0;
         pi->max_vddc_in_table = 0;
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = si_parse_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c
index 8b47b3cd0357..3f0e8d7b8dbe 100644
--- a/drivers/gpu/drm/radeon/sumo_dpm.c
+++ b/drivers/gpu/drm/radeon/sumo_dpm.c
@@ -1484,9 +1484,6 @@ static int sumo_parse_power_table(struct radeon_device *rdev)
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
         power_state_offset = (u8 *)state_array->states;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
         for (i = 0; i < state_array->ucNumEntries; i++) {
                 u8 *idx;
                 power_state = (union pplib_power_state *)power_state_offset;
@@ -1772,6 +1769,10 @@ int sumo_dpm_init(struct radeon_device *rdev)
 
         sumo_construct_boot_and_acpi_state(rdev);
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = sumo_parse_power_table(rdev);
         if (ret)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
index 2da0e17eb960..2a2822c03329 100644
--- a/drivers/gpu/drm/radeon/trinity_dpm.c
+++ b/drivers/gpu/drm/radeon/trinity_dpm.c
@@ -1694,9 +1694,6 @@ static int trinity_parse_power_table(struct radeon_device *rdev)
         if (!rdev->pm.dpm.ps)
                 return -ENOMEM;
         power_state_offset = (u8 *)state_array->states;
-        rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
-        rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
-        rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
         for (i = 0; i < state_array->ucNumEntries; i++) {
                 u8 *idx;
                 power_state = (union pplib_power_state *)power_state_offset;
@@ -1895,6 +1892,10 @@ int trinity_dpm_init(struct radeon_device *rdev)
 
         trinity_construct_boot_state(rdev);
 
+        ret = r600_get_platform_caps(rdev);
+        if (ret)
+                return ret;
+
         ret = trinity_parse_power_table(rdev);
         if (ret)
                 return ret;