diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 394 |
1 files changed, 328 insertions, 66 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index fcfe5c02d74..2ed88a82093 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -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 @@ -104,7 +105,7 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev, uint32_t supported_device, int *connector_type, struct radeon_i2c_bus_rec *i2c_bus, - uint8_t *line_mux) + uint16_t *line_mux) { /* Asus M2A-VM HDMI board lists the DVI port as HDMI */ @@ -143,20 +144,31 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev, return false; } - /* some BIOSes seem to report DAC on HDMI - they hurt me with their lies */ - if ((*connector_type == DRM_MODE_CONNECTOR_HDMIA) || - (*connector_type == DRM_MODE_CONNECTOR_HDMIB)) { - if (supported_device & (ATOM_DEVICE_CRT_SUPPORT)) { - return false; - } - } - /* ASUS HD 3600 XT board lists the DVI port as HDMI */ if ((dev->pdev->device == 0x9598) && (dev->pdev->subsystem_vendor == 0x1043) && (dev->pdev->subsystem_device == 0x01da)) { - if (*connector_type == DRM_MODE_CONNECTOR_HDMIB) { - *connector_type = DRM_MODE_CONNECTOR_DVID; + if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) { + *connector_type = DRM_MODE_CONNECTOR_DVII; + } + } + + /* ASUS HD 3450 board lists the DVI port as HDMI */ + if ((dev->pdev->device == 0x95C5) && + (dev->pdev->subsystem_vendor == 0x1043) && + (dev->pdev->subsystem_device == 0x01e2)) { + if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) { + *connector_type = DRM_MODE_CONNECTOR_DVII; + } + } + + /* some BIOSes seem to report DAC on HDMI - usually this is a board with + * HDMI + VGA reporting as HDMI + */ + if (*connector_type == DRM_MODE_CONNECTOR_HDMIA) { + if (supported_device & (ATOM_DEVICE_CRT_SUPPORT)) { + *connector_type = DRM_MODE_CONNECTOR_VGA; + *line_mux = 0; } } @@ -182,6 +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, @@ -192,11 +221,11 @@ const int object_connector_convert[] = { DRM_MODE_CONNECTOR_Composite, DRM_MODE_CONNECTOR_SVIDEO, DRM_MODE_CONNECTOR_Unknown, + DRM_MODE_CONNECTOR_Unknown, DRM_MODE_CONNECTOR_9PinDIN, DRM_MODE_CONNECTOR_Unknown, DRM_MODE_CONNECTOR_HDMIA, DRM_MODE_CONNECTOR_HDMIB, - DRM_MODE_CONNECTOR_HDMIB, DRM_MODE_CONNECTOR_LVDS, DRM_MODE_CONNECTOR_9PinDIN, DRM_MODE_CONNECTOR_Unknown, @@ -218,7 +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; + uint16_t igp_lane_info, conn_id, connector_object_id; bool linkb; struct radeon_i2c_bus_rec ddc_bus; @@ -261,15 +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; @@ -303,6 +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 @@ -313,6 +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) @@ -370,10 +399,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) && record-> ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) { - DRM_ERROR - ("record type %d\n", - record-> - ucRecordType); switch (record-> ucRecordType) { case ATOM_I2C_RECORD_TYPE: @@ -409,13 +434,20 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) else ddc_bus = radeon_lookup_gpio(dev, line_mux); + conn_id = le16_to_cpu(path->usConnObjectId); + + if (!radeon_atom_apply_quirks + (dev, le16_to_cpu(path->usDeviceTag), &connector_type, + &ddc_bus, &conn_id)) + continue; + radeon_add_atom_connector(dev, - le16_to_cpu(path-> - usConnObjectId), + conn_id, le16_to_cpu(path-> usDeviceTag), connector_type, &ddc_bus, - linkb, igp_lane_info); + linkb, igp_lane_info, + connector_object_id); } } @@ -425,9 +457,48 @@ 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; - uint8_t line_mux; + uint16_t line_mux; uint16_t devices; int connector_type; struct radeon_i2c_bus_rec ddc_bus; @@ -471,11 +542,6 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct continue; } - if (i == ATOM_DEVICE_TV1_INDEX) { - DRM_DEBUG("Skipping TV Out\n"); - continue; - } - bios_connectors[i].connector_type = supported_devices_connector_convert[ci.sucConnectorInfo. sbfAccess. @@ -588,14 +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); @@ -636,8 +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); @@ -646,6 +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 = @@ -711,9 +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; @@ -724,7 +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); @@ -734,12 +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 = @@ -765,8 +843,49 @@ struct radeon_encoder_int_tmds *radeon_atombios_get_tmds_info(struct break; } } + return true; } - return tmds; + 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 ss; } union lvds_info { @@ -800,27 +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; } @@ -858,6 +981,99 @@ radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder) return p_dac; } +bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index, + struct drm_display_mode *mode) +{ + struct radeon_mode_info *mode_info = &rdev->mode_info; + ATOM_ANALOG_TV_INFO *tv_info; + ATOM_ANALOG_TV_INFO_V1_2 *tv_info_v1_2; + ATOM_DTD_FORMAT *dtd_timings; + int data_index = GetIndexIntoMasterTable(DATA, AnalogTV_Info); + u8 frev, crev; + u16 data_offset, misc; + + atom_parse_data_header(mode_info->atom_context, data_index, NULL, &frev, &crev, &data_offset); + + switch (crev) { + case 1: + tv_info = (ATOM_ANALOG_TV_INFO *)(mode_info->atom_context->bios + data_offset); + if (index > MAX_SUPPORTED_TV_TIMING) + return false; + + 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 */ + mode->crtc_htotal -= 1; + mode->crtc_vtotal -= 1; + } + break; + case 2: + tv_info_v1_2 = (ATOM_ANALOG_TV_INFO_V1_2 *)(mode_info->atom_context->bios + data_offset); + if (index > MAX_SUPPORTED_TV_TIMING_V1_2) + return false; + + dtd_timings = &tv_info_v1_2->aModeTimings[index]; + 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; +} + struct radeon_encoder_tv_dac * radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder) { @@ -917,6 +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) { @@ -948,10 +1182,10 @@ void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev) uint32_t bios_2_scratch, bios_6_scratch; if (rdev->family >= CHIP_R600) { - bios_2_scratch = RREG32(R600_BIOS_0_SCRATCH); + bios_2_scratch = RREG32(R600_BIOS_2_SCRATCH); bios_6_scratch = RREG32(R600_BIOS_6_SCRATCH); } else { - bios_2_scratch = RREG32(RADEON_BIOS_0_SCRATCH); + bios_2_scratch = RREG32(RADEON_BIOS_2_SCRATCH); bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH); } @@ -971,6 +1205,34 @@ void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev) } +void radeon_save_bios_scratch_regs(struct radeon_device *rdev) +{ + uint32_t scratch_reg; + int i; + + if (rdev->family >= CHIP_R600) + scratch_reg = R600_BIOS_0_SCRATCH; + else + scratch_reg = RADEON_BIOS_0_SCRATCH; + + for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++) + rdev->bios_scratch[i] = RREG32(scratch_reg + (i * 4)); +} + +void radeon_restore_bios_scratch_regs(struct radeon_device *rdev) +{ + uint32_t scratch_reg; + int i; + + if (rdev->family >= CHIP_R600) + scratch_reg = R600_BIOS_0_SCRATCH; + else + scratch_reg = RADEON_BIOS_0_SCRATCH; + + for (i = 0; i < RADEON_BIOS_NUM_SCRATCH; i++) + WREG32(scratch_reg + (i * 4), rdev->bios_scratch[i]); +} + void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock) { struct drm_device *dev = encoder->dev; |