drm/radeon/kms: add support for evergreen power tables

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

1 files changed, 42 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 5673665ff216..273019925e0b 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1462,6 +1462,10 @@ static const char *pp_lib_thermal_controller_names[] = {
         "RV6xx",
         "RV770",
         "ADT7473",
+        "External GPIO",
+        "Evergreen",
+        "ADT7473 with internal",
+
 };
 
 union power_info {
@@ -1707,15 +1711,21 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                         break;
                                 }
                         }
-                } else if (frev == 4) {
+                } else {
                         /* add the i2c bus for thermal/fan chip */
                         /* no support for internal controller yet */
                         if (power_info->info_4.sThermalController.ucType > 0) {
                                 if ((power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) ||
-                                    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV770)) {
+                                    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV770) ||
+                                    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_EVERGREEN)) {
                                         DRM_INFO("Internal thermal controller %s fan control\n",
                                                  (power_info->info_4.sThermalController.ucFanParameters &
                                                   ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
+                                } else if ((power_info->info_4.sThermalController.ucType ==
+                                            ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) ||
+                                           (power_info->info_4.sThermalController.ucType ==
+                                            ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL)) {
+                                        DRM_INFO("Special thermal controller config\n");
                                 } else {
                                         DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
                                                  pp_lib_thermal_controller_names[power_info->info_4.sThermalController.ucType],
@@ -1763,6 +1773,36 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
                                                 rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
                                                         clock_info->usVDDC;
                                                 mode_index++;
+                                        } else if (ASIC_IS_DCE4(rdev)) {
+                                                struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO *clock_info =
+                                                        (struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO *)
+                                                        (mode_info->atom_context->bios +
+                                                         data_offset +
+                                                         le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
+                                                         (power_state->ucClockStateIndices[j] *
+                                                          power_info->info_4.ucClockInfoSize));
+                                                sclk = le16_to_cpu(clock_info->usEngineClockLow);
+                                                sclk |= clock_info->ucEngineClockHigh << 16;
+                                                mclk = le16_to_cpu(clock_info->usMemoryClockLow);
+                                                mclk |= clock_info->ucMemoryClockHigh << 16;
+                                                rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
+                                                rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+                                                /* skip invalid modes */
+                                                if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
+                                                    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
+                                                        continue;
+                                                /* skip overclock modes for now */
+                                                if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
+                                                     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+                                                    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
+                                                     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+                                                        continue;
+                                                rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
+                                                        VOLTAGE_SW;
+                                                rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
+                                                        clock_info->usVDDC;
+                                                /* XXX usVDDCI */
+                                                mode_index++;
                                         } else {
                                                 struct _ATOM_PPLIB_R600_CLOCK_INFO *clock_info =
                                                         (struct _ATOM_PPLIB_R600_CLOCK_INFO *)