drm/radeon/kms: add power table parsing support for Ontario fusion APUs

The vbios power tables on my inagua board seem a bit funky...

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 7056e20..ac88263 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1766,7 +1766,8 @@ static const char *pp_lib_thermal_controller_names[] = {
        "NONE",
        "External GPIO",
        "Evergreen",
-       "adt7473 with internal",
+       "emc2103",
+       "Sumo",
 };
 
 union power_info {
@@ -1774,12 +1775,15 @@ union power_info {
        struct _ATOM_POWERPLAY_INFO_V2 info_2;
        struct _ATOM_POWERPLAY_INFO_V3 info_3;
        struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
+       struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
+       struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
 };
 
 union pplib_clock_info {
        struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
        struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
        struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
+       struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
 };
 
 union pplib_power_state {
@@ -2022,10 +2026,17 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r
                                 (controller->ucFanParameters &
                                  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
                        rdev->pm.int_thermal_type = THERMAL_TYPE_EVERGREEN;
+               } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SUMO) {
+                       DRM_INFO("Internal thermal controller %s fan control\n",
+                                (controller->ucFanParameters &
+                                 ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
+                       rdev->pm.int_thermal_type = THERMAL_TYPE_SUMO;
                } else if ((controller->ucType ==
                            ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) ||
                           (controller->ucType ==
-                           ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL)) {
+                           ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) ||
+                          (controller->ucType ==
+                           ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL)) {
                        DRM_INFO("Special thermal controller config\n");
                } else {
                        DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
@@ -2129,9 +2140,15 @@ static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev,
        u32 sclk, mclk;
 
        if (rdev->flags & RADEON_IS_IGP) {
-               sclk = le16_to_cpu(clock_info->rs780.usLowEngineClockLow);
-               sclk |= clock_info->rs780.ucLowEngineClockHigh << 16;
-               rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+               if (rdev->family >= CHIP_PALM) {
+                       sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
+                       sclk |= clock_info->sumo.ucEngineClockHigh << 16;
+                       rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+               } else {
+                       sclk = le16_to_cpu(clock_info->rs780.usLowEngineClockLow);
+                       sclk |= clock_info->rs780.ucLowEngineClockHigh << 16;
+                       rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+               }
        } else if (ASIC_IS_DCE4(rdev)) {
                sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow);
                sclk |= clock_info->evergreen.ucEngineClockHigh << 16;
@@ -2237,6 +2254,82 @@ static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev)
        return state_index;
 }
 
+static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev)
+{
+       struct radeon_mode_info *mode_info = &rdev->mode_info;
+       struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
+       union pplib_power_state *power_state;
+       int i, j, non_clock_array_index, clock_array_index;
+       int state_index = 0, mode_index = 0;
+       union pplib_clock_info *clock_info;
+       struct StateArray *state_array;
+       struct ClockInfoArray *clock_info_array;
+       struct NonClockInfoArray *non_clock_info_array;
+       bool valid;
+       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 state_index;
+       power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+
+       radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController);
+       state_array = (struct StateArray *)
+               (mode_info->atom_context->bios + data_offset +
+                power_info->pplib.usStateArrayOffset);
+       clock_info_array = (struct ClockInfoArray *)
+               (mode_info->atom_context->bios + data_offset +
+                power_info->pplib.usClockInfoArrayOffset);
+       non_clock_info_array = (struct NonClockInfoArray *)
+               (mode_info->atom_context->bios + data_offset +
+                power_info->pplib.usNonClockInfoArrayOffset);
+       for (i = 0; i < state_array->ucNumEntries; i++) {
+               mode_index = 0;
+               power_state = (union pplib_power_state *)&state_array->states[i];
+               /* XXX this might be an inagua bug... */
+               non_clock_array_index = i; /* power_state->v2.nonClockInfoIndex */
+               non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
+                       &non_clock_info_array->nonClockInfo[non_clock_array_index];
+               for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
+                       clock_array_index = power_state->v2.clockInfoIndex[j];
+                       /* XXX this might be an inagua bug... */
+                       if (clock_array_index >= clock_info_array->ucNumEntries)
+                               continue;
+                       clock_info = (union pplib_clock_info *)
+                               &clock_info_array->clockInfo[clock_array_index];
+                       valid = radeon_atombios_parse_pplib_clock_info(rdev,
+                                                                      state_index, mode_index,
+                                                                      clock_info);
+                       if (valid)
+                               mode_index++;
+               }
+               rdev->pm.power_state[state_index].num_clock_modes = mode_index;
+               if (mode_index) {
+                       radeon_atombios_parse_pplib_non_clock_info(rdev, state_index, mode_index,
+                                                                  non_clock_info);
+                       state_index++;
+               }
+       }
+       /* if multiple clock modes, mark the lowest as no display */
+       for (i = 0; i < state_index; i++) {
+               if (rdev->pm.power_state[i].num_clock_modes > 1)
+                       rdev->pm.power_state[i].clock_info[0].flags |=
+                               RADEON_PM_MODE_NO_DISPLAY;
+       }
+       /* first mode is usually default */
+       if (rdev->pm.default_power_state_index == -1) {
+               rdev->pm.power_state[0].type =
+                       POWER_STATE_TYPE_DEFAULT;
+               rdev->pm.default_power_state_index = 0;
+               rdev->pm.power_state[0].default_clock_mode =
+                       &rdev->pm.power_state[0].clock_info[0];
+       }
+       return state_index;
+}
+
 void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 {
        struct radeon_mode_info *mode_info = &rdev->mode_info;
@@ -2259,6 +2352,9 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                case 5:
                        state_index = radeon_atombios_parse_power_table_4_5(rdev);
                        break;
+               case 6:
+                       state_index = radeon_atombios_parse_power_table_6(rdev);
+                       break;
                default:
                        break;
                }