Merge master.kernel.org:/home/rmk/linux-2.6-arm
[safe/jmp/linux-2.6] / drivers / gpu / drm / radeon / radeon_atombios.c
index cb5efca..2ed88a8 100644 (file)
@@ -46,7 +46,8 @@ radeon_add_atom_connector(struct drm_device *dev,
                          uint32_t supported_device,
                          int connector_type,
                          struct radeon_i2c_bus_rec *i2c_bus,
-                         bool linkb, uint32_t igp_lane_info);
+                         bool linkb, uint32_t igp_lane_info,
+                         uint16_t connector_object_id);
 
 /* from radeon_legacy_encoder.c */
 extern void
@@ -193,6 +194,23 @@ const int supported_devices_connector_convert[] = {
        DRM_MODE_CONNECTOR_DisplayPort
 };
 
+const uint16_t supported_devices_connector_object_id_convert[] = {
+       CONNECTOR_OBJECT_ID_NONE,
+       CONNECTOR_OBJECT_ID_VGA,
+       CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I, /* not all boards support DL */
+       CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D, /* not all boards support DL */
+       CONNECTOR_OBJECT_ID_VGA, /* technically DVI-A */
+       CONNECTOR_OBJECT_ID_COMPOSITE,
+       CONNECTOR_OBJECT_ID_SVIDEO,
+       CONNECTOR_OBJECT_ID_LVDS,
+       CONNECTOR_OBJECT_ID_9PIN_DIN,
+       CONNECTOR_OBJECT_ID_9PIN_DIN,
+       CONNECTOR_OBJECT_ID_DISPLAYPORT,
+       CONNECTOR_OBJECT_ID_HDMI_TYPE_A,
+       CONNECTOR_OBJECT_ID_HDMI_TYPE_B,
+       CONNECTOR_OBJECT_ID_SVIDEO
+};
+
 const int object_connector_convert[] = {
        DRM_MODE_CONNECTOR_Unknown,
        DRM_MODE_CONNECTOR_DVII,
@@ -229,7 +247,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
        ATOM_OBJECT_HEADER *obj_header;
        int i, j, path_size, device_support;
        int connector_type;
-       uint16_t igp_lane_info, conn_id;
+       uint16_t igp_lane_info, conn_id, connector_object_id;
        bool linkb;
        struct radeon_i2c_bus_rec ddc_bus;
 
@@ -272,15 +290,13 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                            (le16_to_cpu(path->usConnObjectId) &
                             OBJECT_TYPE_MASK) >> OBJECT_TYPE_SHIFT;
 
-                       if ((le16_to_cpu(path->usDeviceTag) ==
-                            ATOM_DEVICE_TV1_SUPPORT)
-                           || (le16_to_cpu(path->usDeviceTag) ==
-                               ATOM_DEVICE_TV2_SUPPORT)
-                           || (le16_to_cpu(path->usDeviceTag) ==
-                               ATOM_DEVICE_CV_SUPPORT))
+                       /* TODO CV support */
+                       if (le16_to_cpu(path->usDeviceTag) ==
+                               ATOM_DEVICE_CV_SUPPORT)
                                continue;
 
-                       if ((rdev->family == CHIP_RS780) &&
+                       /* IGP chips */
+                       if ((rdev->flags & RADEON_IS_IGP) &&
                            (con_obj_id ==
                             CONNECTOR_OBJECT_ID_PCIE_CONNECTOR)) {
                                uint16_t igp_offset = 0;
@@ -314,6 +330,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                connector_type =
                                                    object_connector_convert
                                                    [ct];
+                                               connector_object_id = ct;
                                                igp_lane_info =
                                                    slot_config & 0xffff;
                                        } else
@@ -324,6 +341,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                igp_lane_info = 0;
                                connector_type =
                                    object_connector_convert[con_obj_id];
+                               connector_object_id = con_obj_id;
                        }
 
                        if (connector_type == DRM_MODE_CONNECTOR_Unknown)
@@ -428,7 +446,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                  le16_to_cpu(path->
                                                              usDeviceTag),
                                                  connector_type, &ddc_bus,
-                                                 linkb, igp_lane_info);
+                                                 linkb, igp_lane_info,
+                                                 connector_object_id);
 
                }
        }
@@ -438,6 +457,45 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
        return true;
 }
 
+static uint16_t atombios_get_connector_object_id(struct drm_device *dev,
+                                                int connector_type,
+                                                uint16_t devices)
+{
+       struct radeon_device *rdev = dev->dev_private;
+
+       if (rdev->flags & RADEON_IS_IGP) {
+               return supported_devices_connector_object_id_convert
+                       [connector_type];
+       } else if (((connector_type == DRM_MODE_CONNECTOR_DVII) ||
+                   (connector_type == DRM_MODE_CONNECTOR_DVID)) &&
+                  (devices & ATOM_DEVICE_DFP2_SUPPORT))  {
+               struct radeon_mode_info *mode_info = &rdev->mode_info;
+               struct atom_context *ctx = mode_info->atom_context;
+               int index = GetIndexIntoMasterTable(DATA, XTMDS_Info);
+               uint16_t size, data_offset;
+               uint8_t frev, crev;
+               ATOM_XTMDS_INFO *xtmds;
+
+               atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
+               xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
+
+               if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
+                       if (connector_type == DRM_MODE_CONNECTOR_DVII)
+                               return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
+                       else
+                               return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
+               } else {
+                       if (connector_type == DRM_MODE_CONNECTOR_DVII)
+                               return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
+                       else
+                               return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
+               }
+       } else {
+               return supported_devices_connector_object_id_convert
+                       [connector_type];
+       }
+}
+
 struct bios_connector {
        bool valid;
        uint16_t line_mux;
@@ -596,14 +654,20 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 
        /* add the connectors */
        for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
-               if (bios_connectors[i].valid)
+               if (bios_connectors[i].valid) {
+                       uint16_t connector_object_id =
+                               atombios_get_connector_object_id(dev,
+                                                     bios_connectors[i].connector_type,
+                                                     bios_connectors[i].devices);
                        radeon_add_atom_connector(dev,
                                                  bios_connectors[i].line_mux,
                                                  bios_connectors[i].devices,
                                                  bios_connectors[i].
                                                  connector_type,
                                                  &bios_connectors[i].ddc_bus,
-                                                 false, 0);
+                                                 false, 0,
+                                                 connector_object_id);
+               }
        }
 
        radeon_link_encoder_connector(dev);
@@ -644,8 +708,12 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
                    le16_to_cpu(firmware_info->info.usReferenceClock);
                p1pll->reference_div = 0;
 
-               p1pll->pll_out_min =
-                   le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
+               if (crev < 2)
+                       p1pll->pll_out_min =
+                               le16_to_cpu(firmware_info->info.usMinPixelClockPLL_Output);
+               else
+                       p1pll->pll_out_min =
+                               le32_to_cpu(firmware_info->info_12.ulMinPixelClockPLL_Output);
                p1pll->pll_out_max =
                    le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
 
@@ -654,6 +722,16 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
                                p1pll->pll_out_min = 64800;
                        else
                                p1pll->pll_out_min = 20000;
+               } else if (p1pll->pll_out_min > 64800) {
+                       /* Limiting the pll output range is a good thing generally as
+                        * it limits the number of possible pll combinations for a given
+                        * frequency presumably to the ones that work best on each card.
+                        * However, certain duallink DVI monitors seem to like
+                        * pll combinations that would be limited by this at least on
+                        * pre-DCE 3.0 r6xx hardware.  This might need to be adjusted per
+                        * family.
+                        */
+                       p1pll->pll_out_min = 64800;
                }
 
                p1pll->pll_in_min =
@@ -719,9 +797,8 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
        return false;
 }
 
-struct radeon_encoder_int_tmds *radeon_atombios_get_tmds_info(struct
-                                                             radeon_encoder
-                                                             *encoder)
+bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
+                                  struct radeon_encoder_int_tmds *tmds)
 {
        struct drm_device *dev = encoder->base.dev;
        struct radeon_device *rdev = dev->dev_private;
@@ -732,7 +809,6 @@ struct radeon_encoder_int_tmds *radeon_atombios_get_tmds_info(struct
        uint8_t frev, crev;
        uint16_t maxfreq;
        int i;
-       struct radeon_encoder_int_tmds *tmds = NULL;
 
        atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
                               &crev, &data_offset);
@@ -742,12 +818,6 @@ struct radeon_encoder_int_tmds *radeon_atombios_get_tmds_info(struct
                                       data_offset);
 
        if (tmds_info) {
-               tmds =
-                   kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
-
-               if (!tmds)
-                       return NULL;
-
                maxfreq = le16_to_cpu(tmds_info->usMaxFrequency);
                for (i = 0; i < 4; i++) {
                        tmds->tmds_pll[i].freq =
@@ -773,8 +843,49 @@ struct radeon_encoder_int_tmds *radeon_atombios_get_tmds_info(struct
                                break;
                        }
                }
+               return true;
+       }
+       return false;
+}
+
+static struct radeon_atom_ss *radeon_atombios_get_ss_info(struct
+                                                         radeon_encoder
+                                                         *encoder,
+                                                         int id)
+{
+       struct drm_device *dev = encoder->base.dev;
+       struct radeon_device *rdev = dev->dev_private;
+       struct radeon_mode_info *mode_info = &rdev->mode_info;
+       int index = GetIndexIntoMasterTable(DATA, PPLL_SS_Info);
+       uint16_t data_offset;
+       struct _ATOM_SPREAD_SPECTRUM_INFO *ss_info;
+       uint8_t frev, crev;
+       struct radeon_atom_ss *ss = NULL;
+
+       if (id > ATOM_MAX_SS_ENTRY)
+               return NULL;
+
+       atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
+                              &crev, &data_offset);
+
+       ss_info =
+           (struct _ATOM_SPREAD_SPECTRUM_INFO *)(mode_info->atom_context->bios + data_offset);
+
+       if (ss_info) {
+               ss =
+                   kzalloc(sizeof(struct radeon_atom_ss), GFP_KERNEL);
+
+               if (!ss)
+                       return NULL;
+
+               ss->percentage = le16_to_cpu(ss_info->asSS_Info[id].usSpreadSpectrumPercentage);
+               ss->type = ss_info->asSS_Info[id].ucSpreadSpectrumType;
+               ss->step = ss_info->asSS_Info[id].ucSS_Step;
+               ss->delay = ss_info->asSS_Info[id].ucSS_Delay;
+               ss->range = ss_info->asSS_Info[id].ucSS_Range;
+               ss->refdiv = ss_info->asSS_Info[id].ucRecommendedRef_Div;
        }
-       return tmds;
+       return ss;
 }
 
 union lvds_info {
@@ -808,27 +919,31 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
                if (!lvds)
                        return NULL;
 
-               lvds->native_mode.dotclock =
+               lvds->native_mode.clock =
                    le16_to_cpu(lvds_info->info.sLCDTiming.usPixClk) * 10;
-               lvds->native_mode.panel_xres =
+               lvds->native_mode.hdisplay =
                    le16_to_cpu(lvds_info->info.sLCDTiming.usHActive);
-               lvds->native_mode.panel_yres =
+               lvds->native_mode.vdisplay =
                    le16_to_cpu(lvds_info->info.sLCDTiming.usVActive);
-               lvds->native_mode.hblank =
-                   le16_to_cpu(lvds_info->info.sLCDTiming.usHBlanking_Time);
-               lvds->native_mode.hoverplus =
-                   le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncOffset);
-               lvds->native_mode.hsync_width =
-                   le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncWidth);
-               lvds->native_mode.vblank =
-                   le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
-               lvds->native_mode.voverplus =
-                   le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncOffset);
-               lvds->native_mode.vsync_width =
-                   le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
+               lvds->native_mode.htotal = lvds->native_mode.hdisplay +
+                       le16_to_cpu(lvds_info->info.sLCDTiming.usHBlanking_Time);
+               lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
+                       le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncOffset);
+               lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
+                       le16_to_cpu(lvds_info->info.sLCDTiming.usHSyncWidth);
+               lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
+                       le16_to_cpu(lvds_info->info.sLCDTiming.usVBlanking_Time);
+               lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
+                       le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
+               lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
+                       le16_to_cpu(lvds_info->info.sLCDTiming.usVSyncWidth);
                lvds->panel_pwr_delay =
                    le16_to_cpu(lvds_info->info.usOffDelayInMs);
                lvds->lvds_misc = lvds_info->info.ucLVDS_Misc;
+               /* set crtc values */
+               drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
+
+               lvds->ss = radeon_atombios_get_ss_info(encoder, lvds_info->info.ucSS_Id);
 
                encoder->native_mode = lvds->native_mode;
        }
@@ -867,8 +982,7 @@ radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder)
 }
 
 bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
-                               SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION *crtc_timing,
-                               int32_t *pixel_clock)
+                               struct drm_display_mode *mode)
 {
        struct radeon_mode_info *mode_info = &rdev->mode_info;
        ATOM_ANALOG_TV_INFO *tv_info;
@@ -876,7 +990,7 @@ bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
        ATOM_DTD_FORMAT *dtd_timings;
        int data_index = GetIndexIntoMasterTable(DATA, AnalogTV_Info);
        u8 frev, crev;
-       uint16_t data_offset;
+       u16 data_offset, misc;
 
        atom_parse_data_header(mode_info->atom_context, data_index, NULL, &frev, &crev, &data_offset);
 
@@ -886,28 +1000,37 @@ bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
                if (index > MAX_SUPPORTED_TV_TIMING)
                        return false;
 
-               crtc_timing->usH_Total = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Total);
-               crtc_timing->usH_Disp = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Disp);
-               crtc_timing->usH_SyncStart = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart);
-               crtc_timing->usH_SyncWidth = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncWidth);
-
-               crtc_timing->usV_Total = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Total);
-               crtc_timing->usV_Disp = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Disp);
-               crtc_timing->usV_SyncStart = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart);
-               crtc_timing->usV_SyncWidth = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncWidth);
-
-               crtc_timing->susModeMiscInfo = tv_info->aModeTimings[index].susModeMiscInfo;
-
-               crtc_timing->ucOverscanRight = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_OverscanRight);
-               crtc_timing->ucOverscanLeft = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_OverscanLeft);
-               crtc_timing->ucOverscanBottom = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_OverscanBottom);
-               crtc_timing->ucOverscanTop = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_OverscanTop);
-               *pixel_clock = le16_to_cpu(tv_info->aModeTimings[index].usPixelClock) * 10;
+               mode->crtc_htotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Total);
+               mode->crtc_hdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Disp);
+               mode->crtc_hsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart);
+               mode->crtc_hsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncStart) +
+                       le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_SyncWidth);
+
+               mode->crtc_vtotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Total);
+               mode->crtc_vdisplay = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_Disp);
+               mode->crtc_vsync_start = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart);
+               mode->crtc_vsync_end = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncStart) +
+                       le16_to_cpu(tv_info->aModeTimings[index].usCRTC_V_SyncWidth);
+
+               mode->flags = 0;
+               misc = le16_to_cpu(tv_info->aModeTimings[index].susModeMiscInfo.usAccess);
+               if (misc & ATOM_VSYNC_POLARITY)
+                       mode->flags |= DRM_MODE_FLAG_NVSYNC;
+               if (misc & ATOM_HSYNC_POLARITY)
+                       mode->flags |= DRM_MODE_FLAG_NHSYNC;
+               if (misc & ATOM_COMPOSITESYNC)
+                       mode->flags |= DRM_MODE_FLAG_CSYNC;
+               if (misc & ATOM_INTERLACE)
+                       mode->flags |= DRM_MODE_FLAG_INTERLACE;
+               if (misc & ATOM_DOUBLE_CLOCK_MODE)
+                       mode->flags |= DRM_MODE_FLAG_DBLSCAN;
+
+               mode->clock = le16_to_cpu(tv_info->aModeTimings[index].usPixelClock) * 10;
 
                if (index == 1) {
                        /* PAL timings appear to have wrong values for totals */
-                       crtc_timing->usH_Total -= 1;
-                       crtc_timing->usV_Total -= 1;
+                       mode->crtc_htotal -= 1;
+                       mode->crtc_vtotal -= 1;
                }
                break;
        case 2:
@@ -916,17 +1039,36 @@ bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
                        return false;
 
                dtd_timings = &tv_info_v1_2->aModeTimings[index];
-               crtc_timing->usH_Total = le16_to_cpu(dtd_timings->usHActive) + le16_to_cpu(dtd_timings->usHBlanking_Time);
-               crtc_timing->usH_Disp = le16_to_cpu(dtd_timings->usHActive);
-               crtc_timing->usH_SyncStart = le16_to_cpu(dtd_timings->usHActive) + le16_to_cpu(dtd_timings->usHSyncOffset);
-               crtc_timing->usH_SyncWidth = le16_to_cpu(dtd_timings->usHSyncWidth);
-               crtc_timing->usV_Total = le16_to_cpu(dtd_timings->usVActive) + le16_to_cpu(dtd_timings->usVBlanking_Time);
-               crtc_timing->usV_Disp = le16_to_cpu(dtd_timings->usVActive);
-               crtc_timing->usV_SyncStart = le16_to_cpu(dtd_timings->usVActive) + le16_to_cpu(dtd_timings->usVSyncOffset);
-               crtc_timing->usV_SyncWidth = le16_to_cpu(dtd_timings->usVSyncWidth);
-
-               crtc_timing->susModeMiscInfo.usAccess = le16_to_cpu(dtd_timings->susModeMiscInfo.usAccess);
-               *pixel_clock = le16_to_cpu(dtd_timings->usPixClk) * 10;
+               mode->crtc_htotal = le16_to_cpu(dtd_timings->usHActive) +
+                       le16_to_cpu(dtd_timings->usHBlanking_Time);
+               mode->crtc_hdisplay = le16_to_cpu(dtd_timings->usHActive);
+               mode->crtc_hsync_start = le16_to_cpu(dtd_timings->usHActive) +
+                       le16_to_cpu(dtd_timings->usHSyncOffset);
+               mode->crtc_hsync_end = mode->crtc_hsync_start +
+                       le16_to_cpu(dtd_timings->usHSyncWidth);
+
+               mode->crtc_vtotal = le16_to_cpu(dtd_timings->usVActive) +
+                       le16_to_cpu(dtd_timings->usVBlanking_Time);
+               mode->crtc_vdisplay = le16_to_cpu(dtd_timings->usVActive);
+               mode->crtc_vsync_start = le16_to_cpu(dtd_timings->usVActive) +
+                       le16_to_cpu(dtd_timings->usVSyncOffset);
+               mode->crtc_vsync_end = mode->crtc_vsync_start +
+                       le16_to_cpu(dtd_timings->usVSyncWidth);
+
+               mode->flags = 0;
+               misc = le16_to_cpu(dtd_timings->susModeMiscInfo.usAccess);
+               if (misc & ATOM_VSYNC_POLARITY)
+                       mode->flags |= DRM_MODE_FLAG_NVSYNC;
+               if (misc & ATOM_HSYNC_POLARITY)
+                       mode->flags |= DRM_MODE_FLAG_NHSYNC;
+               if (misc & ATOM_COMPOSITESYNC)
+                       mode->flags |= DRM_MODE_FLAG_CSYNC;
+               if (misc & ATOM_INTERLACE)
+                       mode->flags |= DRM_MODE_FLAG_INTERLACE;
+               if (misc & ATOM_DOUBLE_CLOCK_MODE)
+                       mode->flags |= DRM_MODE_FLAG_DBLSCAN;
+
+               mode->clock = le16_to_cpu(dtd_timings->usPixClk) * 10;
                break;
        }
        return true;
@@ -991,6 +1133,24 @@ void radeon_atom_static_pwrmgt_setup(struct radeon_device *rdev, int enable)
        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
 
+uint32_t radeon_atom_get_engine_clock(struct radeon_device *rdev)
+{
+       GET_ENGINE_CLOCK_PS_ALLOCATION args;
+       int index = GetIndexIntoMasterTable(COMMAND, GetEngineClock);
+
+       atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+       return args.ulReturnEngineClock;
+}
+
+uint32_t radeon_atom_get_memory_clock(struct radeon_device *rdev)
+{
+       GET_MEMORY_CLOCK_PS_ALLOCATION args;
+       int index = GetIndexIntoMasterTable(COMMAND, GetMemoryClock);
+
+       atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+       return args.ulReturnMemoryClock;
+}
+
 void radeon_atom_set_engine_clock(struct radeon_device *rdev,
                                  uint32_t eng_clock)
 {