|  | /* | 
|  | * Copyright 2007-8 Advanced Micro Devices, Inc. | 
|  | * Copyright 2008 Red Hat Inc. | 
|  | * | 
|  | * Permission is hereby granted, free of charge, to any person obtaining a | 
|  | * copy of this software and associated documentation files (the "Software"), | 
|  | * to deal in the Software without restriction, including without limitation | 
|  | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
|  | * and/or sell copies of the Software, and to permit persons to whom the | 
|  | * Software is furnished to do so, subject to the following conditions: | 
|  | * | 
|  | * The above copyright notice and this permission notice shall be included in | 
|  | * all copies or substantial portions of the Software. | 
|  | * | 
|  | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | 
|  | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
|  | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
|  | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | 
|  | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | 
|  | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | 
|  | * OTHER DEALINGS IN THE SOFTWARE. | 
|  | * | 
|  | * Authors: Dave Airlie | 
|  | *          Alex Deucher | 
|  | */ | 
|  | #include <drm/drmP.h> | 
|  | #include <drm/drm_crtc_helper.h> | 
|  | #include <drm/radeon_drm.h> | 
|  | #include <drm/drm_fixed.h> | 
|  | #include "radeon.h" | 
|  | #include "atom.h" | 
|  | #include "atom-bits.h" | 
|  |  | 
|  | static void atombios_overscan_setup(struct drm_crtc *crtc, | 
|  | struct drm_display_mode *mode, | 
|  | struct drm_display_mode *adjusted_mode) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | SET_CRTC_OVERSCAN_PS_ALLOCATION args; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan); | 
|  | int a1, a2; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | args.ucCRTC = radeon_crtc->crtc_id; | 
|  |  | 
|  | switch (radeon_crtc->rmx_type) { | 
|  | case RMX_CENTER: | 
|  | args.usOverscanTop = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2; | 
|  | args.usOverscanBottom = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2; | 
|  | args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2; | 
|  | args.usOverscanRight = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2; | 
|  | break; | 
|  | case RMX_ASPECT: | 
|  | a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay; | 
|  | a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay; | 
|  |  | 
|  | if (a1 > a2) { | 
|  | args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2; | 
|  | args.usOverscanRight = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2; | 
|  | } else if (a2 > a1) { | 
|  | args.usOverscanLeft = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2; | 
|  | args.usOverscanRight = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2; | 
|  | } | 
|  | break; | 
|  | case RMX_FULL: | 
|  | default: | 
|  | args.usOverscanRight = radeon_crtc->h_border; | 
|  | args.usOverscanLeft = radeon_crtc->h_border; | 
|  | args.usOverscanBottom = radeon_crtc->v_border; | 
|  | args.usOverscanTop = radeon_crtc->v_border; | 
|  | break; | 
|  | } | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | static void atombios_scaler_setup(struct drm_crtc *crtc) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | ENABLE_SCALER_PS_ALLOCATION args; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, EnableScaler); | 
|  |  | 
|  | /* fixme - fill in enc_priv for atom dac */ | 
|  | enum radeon_tv_std tv_std = TV_STD_NTSC; | 
|  | bool is_tv = false, is_cv = false; | 
|  | struct drm_encoder *encoder; | 
|  |  | 
|  | if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id) | 
|  | return; | 
|  |  | 
|  | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | 
|  | /* find tv std */ | 
|  | if (encoder->crtc == crtc) { | 
|  | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | 
|  | if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) { | 
|  | struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv; | 
|  | tv_std = tv_dac->tv_std; | 
|  | is_tv = true; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | args.ucScaler = radeon_crtc->crtc_id; | 
|  |  | 
|  | if (is_tv) { | 
|  | switch (tv_std) { | 
|  | case TV_STD_NTSC: | 
|  | default: | 
|  | args.ucTVStandard = ATOM_TV_NTSC; | 
|  | break; | 
|  | case TV_STD_PAL: | 
|  | args.ucTVStandard = ATOM_TV_PAL; | 
|  | break; | 
|  | case TV_STD_PAL_M: | 
|  | args.ucTVStandard = ATOM_TV_PALM; | 
|  | break; | 
|  | case TV_STD_PAL_60: | 
|  | args.ucTVStandard = ATOM_TV_PAL60; | 
|  | break; | 
|  | case TV_STD_NTSC_J: | 
|  | args.ucTVStandard = ATOM_TV_NTSCJ; | 
|  | break; | 
|  | case TV_STD_SCART_PAL: | 
|  | args.ucTVStandard = ATOM_TV_PAL; /* ??? */ | 
|  | break; | 
|  | case TV_STD_SECAM: | 
|  | args.ucTVStandard = ATOM_TV_SECAM; | 
|  | break; | 
|  | case TV_STD_PAL_CN: | 
|  | args.ucTVStandard = ATOM_TV_PALCN; | 
|  | break; | 
|  | } | 
|  | args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; | 
|  | } else if (is_cv) { | 
|  | args.ucTVStandard = ATOM_TV_CV; | 
|  | args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; | 
|  | } else { | 
|  | switch (radeon_crtc->rmx_type) { | 
|  | case RMX_FULL: | 
|  | args.ucEnable = ATOM_SCALER_EXPANSION; | 
|  | break; | 
|  | case RMX_CENTER: | 
|  | args.ucEnable = ATOM_SCALER_CENTER; | 
|  | break; | 
|  | case RMX_ASPECT: | 
|  | args.ucEnable = ATOM_SCALER_EXPANSION; | 
|  | break; | 
|  | default: | 
|  | if (ASIC_IS_AVIVO(rdev)) | 
|  | args.ucEnable = ATOM_SCALER_DISABLE; | 
|  | else | 
|  | args.ucEnable = ATOM_SCALER_CENTER; | 
|  | break; | 
|  | } | 
|  | } | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | if ((is_tv || is_cv) | 
|  | && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) { | 
|  | atom_rv515_force_tv_scaler(rdev, radeon_crtc); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void atombios_lock_crtc(struct drm_crtc *crtc, int lock) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | int index = | 
|  | GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters); | 
|  | ENABLE_CRTC_PS_ALLOCATION args; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | args.ucCRTC = radeon_crtc->crtc_id; | 
|  | args.ucEnable = lock; | 
|  |  | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | static void atombios_enable_crtc(struct drm_crtc *crtc, int state) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC); | 
|  | ENABLE_CRTC_PS_ALLOCATION args; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | args.ucCRTC = radeon_crtc->crtc_id; | 
|  | args.ucEnable = state; | 
|  |  | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq); | 
|  | ENABLE_CRTC_PS_ALLOCATION args; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | args.ucCRTC = radeon_crtc->crtc_id; | 
|  | args.ucEnable = state; | 
|  |  | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | static void atombios_blank_crtc(struct drm_crtc *crtc, int state) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC); | 
|  | BLANK_CRTC_PS_ALLOCATION args; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | args.ucCRTC = radeon_crtc->crtc_id; | 
|  | args.ucBlanking = state; | 
|  |  | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  |  | 
|  | switch (mode) { | 
|  | case DRM_MODE_DPMS_ON: | 
|  | radeon_crtc->enabled = true; | 
|  | /* adjust pm to dpms changes BEFORE enabling crtcs */ | 
|  | radeon_pm_compute_clocks(rdev); | 
|  | atombios_enable_crtc(crtc, ATOM_ENABLE); | 
|  | if (ASIC_IS_DCE3(rdev)) | 
|  | atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); | 
|  | atombios_blank_crtc(crtc, ATOM_DISABLE); | 
|  | drm_vblank_post_modeset(dev, radeon_crtc->crtc_id); | 
|  | radeon_crtc_load_lut(crtc); | 
|  | break; | 
|  | case DRM_MODE_DPMS_STANDBY: | 
|  | case DRM_MODE_DPMS_SUSPEND: | 
|  | case DRM_MODE_DPMS_OFF: | 
|  | drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id); | 
|  | if (radeon_crtc->enabled) | 
|  | atombios_blank_crtc(crtc, ATOM_ENABLE); | 
|  | if (ASIC_IS_DCE3(rdev)) | 
|  | atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); | 
|  | atombios_enable_crtc(crtc, ATOM_DISABLE); | 
|  | radeon_crtc->enabled = false; | 
|  | /* adjust pm to dpms changes AFTER disabling crtcs */ | 
|  | radeon_pm_compute_clocks(rdev); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, | 
|  | struct drm_display_mode *mode) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | SET_CRTC_USING_DTD_TIMING_PARAMETERS args; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming); | 
|  | u16 misc = 0; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  | args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2)); | 
|  | args.usH_Blanking_Time = | 
|  | cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2)); | 
|  | args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2)); | 
|  | args.usV_Blanking_Time = | 
|  | cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2)); | 
|  | args.usH_SyncOffset = | 
|  | cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border); | 
|  | args.usH_SyncWidth = | 
|  | cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); | 
|  | args.usV_SyncOffset = | 
|  | cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border); | 
|  | args.usV_SyncWidth = | 
|  | cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); | 
|  | args.ucH_Border = radeon_crtc->h_border; | 
|  | args.ucV_Border = radeon_crtc->v_border; | 
|  |  | 
|  | if (mode->flags & DRM_MODE_FLAG_NVSYNC) | 
|  | misc |= ATOM_VSYNC_POLARITY; | 
|  | if (mode->flags & DRM_MODE_FLAG_NHSYNC) | 
|  | misc |= ATOM_HSYNC_POLARITY; | 
|  | if (mode->flags & DRM_MODE_FLAG_CSYNC) | 
|  | misc |= ATOM_COMPOSITESYNC; | 
|  | if (mode->flags & DRM_MODE_FLAG_INTERLACE) | 
|  | misc |= ATOM_INTERLACE; | 
|  | if (mode->flags & DRM_MODE_FLAG_DBLSCAN) | 
|  | misc |= ATOM_DOUBLE_CLOCK_MODE; | 
|  |  | 
|  | args.susModeMiscInfo.usAccess = cpu_to_le16(misc); | 
|  | args.ucCRTC = radeon_crtc->crtc_id; | 
|  |  | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | static void atombios_crtc_set_timing(struct drm_crtc *crtc, | 
|  | struct drm_display_mode *mode) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing); | 
|  | u16 misc = 0; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  | args.usH_Total = cpu_to_le16(mode->crtc_htotal); | 
|  | args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay); | 
|  | args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start); | 
|  | args.usH_SyncWidth = | 
|  | cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); | 
|  | args.usV_Total = cpu_to_le16(mode->crtc_vtotal); | 
|  | args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay); | 
|  | args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start); | 
|  | args.usV_SyncWidth = | 
|  | cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); | 
|  |  | 
|  | args.ucOverscanRight = radeon_crtc->h_border; | 
|  | args.ucOverscanLeft = radeon_crtc->h_border; | 
|  | args.ucOverscanBottom = radeon_crtc->v_border; | 
|  | args.ucOverscanTop = radeon_crtc->v_border; | 
|  |  | 
|  | if (mode->flags & DRM_MODE_FLAG_NVSYNC) | 
|  | misc |= ATOM_VSYNC_POLARITY; | 
|  | if (mode->flags & DRM_MODE_FLAG_NHSYNC) | 
|  | misc |= ATOM_HSYNC_POLARITY; | 
|  | if (mode->flags & DRM_MODE_FLAG_CSYNC) | 
|  | misc |= ATOM_COMPOSITESYNC; | 
|  | if (mode->flags & DRM_MODE_FLAG_INTERLACE) | 
|  | misc |= ATOM_INTERLACE; | 
|  | if (mode->flags & DRM_MODE_FLAG_DBLSCAN) | 
|  | misc |= ATOM_DOUBLE_CLOCK_MODE; | 
|  |  | 
|  | args.susModeMiscInfo.usAccess = cpu_to_le16(misc); | 
|  | args.ucCRTC = radeon_crtc->crtc_id; | 
|  |  | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | static void atombios_disable_ss(struct drm_crtc *crtc) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | u32 ss_cntl; | 
|  |  | 
|  | if (ASIC_IS_DCE4(rdev)) { | 
|  | switch (radeon_crtc->pll_id) { | 
|  | case ATOM_PPLL1: | 
|  | ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL); | 
|  | ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; | 
|  | WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl); | 
|  | break; | 
|  | case ATOM_PPLL2: | 
|  | ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL); | 
|  | ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; | 
|  | WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl); | 
|  | break; | 
|  | case ATOM_DCPLL: | 
|  | case ATOM_PPLL_INVALID: | 
|  | return; | 
|  | } | 
|  | } else if (ASIC_IS_AVIVO(rdev)) { | 
|  | switch (radeon_crtc->pll_id) { | 
|  | case ATOM_PPLL1: | 
|  | ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL); | 
|  | ss_cntl &= ~1; | 
|  | WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl); | 
|  | break; | 
|  | case ATOM_PPLL2: | 
|  | ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL); | 
|  | ss_cntl &= ~1; | 
|  | WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl); | 
|  | break; | 
|  | case ATOM_DCPLL: | 
|  | case ATOM_PPLL_INVALID: | 
|  | return; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | union atom_enable_ss { | 
|  | ENABLE_LVDS_SS_PARAMETERS lvds_ss; | 
|  | ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2; | 
|  | ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1; | 
|  | ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2; | 
|  | ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3; | 
|  | }; | 
|  |  | 
|  | static void atombios_crtc_program_ss(struct drm_crtc *crtc, | 
|  | int enable, | 
|  | int pll_id, | 
|  | struct radeon_atom_ss *ss) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL); | 
|  | union atom_enable_ss args; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | if (ASIC_IS_DCE5(rdev)) { | 
|  | args.v3.usSpreadSpectrumAmountFrac = 0; | 
|  | args.v3.ucSpreadSpectrumType = ss->type; | 
|  | switch (pll_id) { | 
|  | case ATOM_PPLL1: | 
|  | args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL; | 
|  | args.v3.usSpreadSpectrumAmount = ss->amount; | 
|  | args.v3.usSpreadSpectrumStep = ss->step; | 
|  | break; | 
|  | case ATOM_PPLL2: | 
|  | args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL; | 
|  | args.v3.usSpreadSpectrumAmount = ss->amount; | 
|  | args.v3.usSpreadSpectrumStep = ss->step; | 
|  | break; | 
|  | case ATOM_DCPLL: | 
|  | args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL; | 
|  | args.v3.usSpreadSpectrumAmount = 0; | 
|  | args.v3.usSpreadSpectrumStep = 0; | 
|  | break; | 
|  | case ATOM_PPLL_INVALID: | 
|  | return; | 
|  | } | 
|  | args.v2.ucEnable = enable; | 
|  | } else if (ASIC_IS_DCE4(rdev)) { | 
|  | args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); | 
|  | args.v2.ucSpreadSpectrumType = ss->type; | 
|  | switch (pll_id) { | 
|  | case ATOM_PPLL1: | 
|  | args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL; | 
|  | args.v2.usSpreadSpectrumAmount = ss->amount; | 
|  | args.v2.usSpreadSpectrumStep = ss->step; | 
|  | break; | 
|  | case ATOM_PPLL2: | 
|  | args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL; | 
|  | args.v2.usSpreadSpectrumAmount = ss->amount; | 
|  | args.v2.usSpreadSpectrumStep = ss->step; | 
|  | break; | 
|  | case ATOM_DCPLL: | 
|  | args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL; | 
|  | args.v2.usSpreadSpectrumAmount = 0; | 
|  | args.v2.usSpreadSpectrumStep = 0; | 
|  | break; | 
|  | case ATOM_PPLL_INVALID: | 
|  | return; | 
|  | } | 
|  | args.v2.ucEnable = enable; | 
|  | } else if (ASIC_IS_DCE3(rdev)) { | 
|  | args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); | 
|  | args.v1.ucSpreadSpectrumType = ss->type; | 
|  | args.v1.ucSpreadSpectrumStep = ss->step; | 
|  | args.v1.ucSpreadSpectrumDelay = ss->delay; | 
|  | args.v1.ucSpreadSpectrumRange = ss->range; | 
|  | args.v1.ucPpll = pll_id; | 
|  | args.v1.ucEnable = enable; | 
|  | } else if (ASIC_IS_AVIVO(rdev)) { | 
|  | if (enable == ATOM_DISABLE) { | 
|  | atombios_disable_ss(crtc); | 
|  | return; | 
|  | } | 
|  | args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); | 
|  | args.lvds_ss_2.ucSpreadSpectrumType = ss->type; | 
|  | args.lvds_ss_2.ucSpreadSpectrumStep = ss->step; | 
|  | args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay; | 
|  | args.lvds_ss_2.ucSpreadSpectrumRange = ss->range; | 
|  | args.lvds_ss_2.ucEnable = enable; | 
|  | } else { | 
|  | if (enable == ATOM_DISABLE) { | 
|  | atombios_disable_ss(crtc); | 
|  | return; | 
|  | } | 
|  | args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); | 
|  | args.lvds_ss.ucSpreadSpectrumType = ss->type; | 
|  | args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2; | 
|  | args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4; | 
|  | args.lvds_ss.ucEnable = enable; | 
|  | } | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | union adjust_pixel_clock { | 
|  | ADJUST_DISPLAY_PLL_PS_ALLOCATION v1; | 
|  | ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3; | 
|  | }; | 
|  |  | 
|  | static u32 atombios_adjust_pll(struct drm_crtc *crtc, | 
|  | struct drm_display_mode *mode, | 
|  | struct radeon_pll *pll, | 
|  | bool ss_enabled, | 
|  | struct radeon_atom_ss *ss) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct drm_encoder *encoder = NULL; | 
|  | struct radeon_encoder *radeon_encoder = NULL; | 
|  | u32 adjusted_clock = mode->clock; | 
|  | int encoder_mode = 0; | 
|  | u32 dp_clock = mode->clock; | 
|  | int bpc = 8; | 
|  |  | 
|  | /* reset the pll flags */ | 
|  | pll->flags = 0; | 
|  |  | 
|  | if (ASIC_IS_AVIVO(rdev)) { | 
|  | if ((rdev->family == CHIP_RS600) || | 
|  | (rdev->family == CHIP_RS690) || | 
|  | (rdev->family == CHIP_RS740)) | 
|  | pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/ | 
|  | RADEON_PLL_PREFER_CLOSEST_LOWER); | 
|  |  | 
|  | if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)	/* range limits??? */ | 
|  | pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; | 
|  | else | 
|  | pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV; | 
|  | } else { | 
|  | pll->flags |= RADEON_PLL_LEGACY; | 
|  |  | 
|  | if (mode->clock > 200000)	/* range limits??? */ | 
|  | pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; | 
|  | else | 
|  | pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV; | 
|  |  | 
|  | } | 
|  |  | 
|  | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | 
|  | if (encoder->crtc == crtc) { | 
|  | radeon_encoder = to_radeon_encoder(encoder); | 
|  | encoder_mode = atombios_get_encoder_mode(encoder); | 
|  | if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) { | 
|  | struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); | 
|  | if (connector) { | 
|  | struct radeon_connector *radeon_connector = to_radeon_connector(connector); | 
|  | struct radeon_connector_atom_dig *dig_connector = | 
|  | radeon_connector->con_priv; | 
|  |  | 
|  | dp_clock = dig_connector->dp_clock; | 
|  | } | 
|  | } | 
|  | #if 0 /* doesn't work properly on some laptops */ | 
|  | /* use recommended ref_div for ss */ | 
|  | if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { | 
|  | if (ss_enabled) { | 
|  | if (ss->refdiv) { | 
|  | pll->flags |= RADEON_PLL_USE_REF_DIV; | 
|  | pll->reference_div = ss->refdiv; | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif | 
|  | if (ASIC_IS_AVIVO(rdev)) { | 
|  | /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */ | 
|  | if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1) | 
|  | adjusted_clock = mode->clock * 2; | 
|  | if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) | 
|  | pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER; | 
|  | } else { | 
|  | if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) | 
|  | pll->flags |= RADEON_PLL_NO_ODD_POST_DIV; | 
|  | if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) | 
|  | pll->flags |= RADEON_PLL_USE_REF_DIV; | 
|  | } | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock | 
|  | * accordingly based on the encoder/transmitter to work around | 
|  | * special hw requirements. | 
|  | */ | 
|  | if (ASIC_IS_DCE3(rdev)) { | 
|  | union adjust_pixel_clock args; | 
|  | u8 frev, crev; | 
|  | int index; | 
|  |  | 
|  | index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll); | 
|  | if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, | 
|  | &crev)) | 
|  | return adjusted_clock; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | switch (frev) { | 
|  | case 1: | 
|  | switch (crev) { | 
|  | case 1: | 
|  | case 2: | 
|  | args.v1.usPixelClock = cpu_to_le16(mode->clock / 10); | 
|  | args.v1.ucTransmitterID = radeon_encoder->encoder_id; | 
|  | args.v1.ucEncodeMode = encoder_mode; | 
|  | if (encoder_mode == ATOM_ENCODER_MODE_DP) { | 
|  | if (ss_enabled) | 
|  | args.v1.ucConfig |= | 
|  | ADJUST_DISPLAY_CONFIG_SS_ENABLE; | 
|  | } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) { | 
|  | args.v1.ucConfig |= | 
|  | ADJUST_DISPLAY_CONFIG_SS_ENABLE; | 
|  | } | 
|  |  | 
|  | atom_execute_table(rdev->mode_info.atom_context, | 
|  | index, (uint32_t *)&args); | 
|  | adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10; | 
|  | break; | 
|  | case 3: | 
|  | args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10); | 
|  | args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id; | 
|  | args.v3.sInput.ucEncodeMode = encoder_mode; | 
|  | args.v3.sInput.ucDispPllConfig = 0; | 
|  | if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { | 
|  | struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | 
|  | if (encoder_mode == ATOM_ENCODER_MODE_DP) { | 
|  | if (ss_enabled) | 
|  | args.v3.sInput.ucDispPllConfig |= | 
|  | DISPPLL_CONFIG_SS_ENABLE; | 
|  | args.v3.sInput.ucDispPllConfig |= | 
|  | DISPPLL_CONFIG_COHERENT_MODE; | 
|  | /* 16200 or 27000 */ | 
|  | args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); | 
|  | } else { | 
|  | if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { | 
|  | /* deep color support */ | 
|  | args.v3.sInput.usPixelClock = | 
|  | cpu_to_le16((mode->clock * bpc / 8) / 10); | 
|  | } | 
|  | if (dig->coherent_mode) | 
|  | args.v3.sInput.ucDispPllConfig |= | 
|  | DISPPLL_CONFIG_COHERENT_MODE; | 
|  | if (mode->clock > 165000) | 
|  | args.v3.sInput.ucDispPllConfig |= | 
|  | DISPPLL_CONFIG_DUAL_LINK; | 
|  | } | 
|  | } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { | 
|  | if (encoder_mode == ATOM_ENCODER_MODE_DP) { | 
|  | if (ss_enabled) | 
|  | args.v3.sInput.ucDispPllConfig |= | 
|  | DISPPLL_CONFIG_SS_ENABLE; | 
|  | args.v3.sInput.ucDispPllConfig |= | 
|  | DISPPLL_CONFIG_COHERENT_MODE; | 
|  | /* 16200 or 27000 */ | 
|  | args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); | 
|  | } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) { | 
|  | if (ss_enabled) | 
|  | args.v3.sInput.ucDispPllConfig |= | 
|  | DISPPLL_CONFIG_SS_ENABLE; | 
|  | } else { | 
|  | if (mode->clock > 165000) | 
|  | args.v3.sInput.ucDispPllConfig |= | 
|  | DISPPLL_CONFIG_DUAL_LINK; | 
|  | } | 
|  | } | 
|  | atom_execute_table(rdev->mode_info.atom_context, | 
|  | index, (uint32_t *)&args); | 
|  | adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10; | 
|  | if (args.v3.sOutput.ucRefDiv) { | 
|  | pll->flags |= RADEON_PLL_USE_REF_DIV; | 
|  | pll->reference_div = args.v3.sOutput.ucRefDiv; | 
|  | } | 
|  | if (args.v3.sOutput.ucPostDiv) { | 
|  | pll->flags |= RADEON_PLL_USE_POST_DIV; | 
|  | pll->post_div = args.v3.sOutput.ucPostDiv; | 
|  | } | 
|  | break; | 
|  | default: | 
|  | DRM_ERROR("Unknown table version %d %d\n", frev, crev); | 
|  | return adjusted_clock; | 
|  | } | 
|  | break; | 
|  | default: | 
|  | DRM_ERROR("Unknown table version %d %d\n", frev, crev); | 
|  | return adjusted_clock; | 
|  | } | 
|  | } | 
|  | return adjusted_clock; | 
|  | } | 
|  |  | 
|  | union set_pixel_clock { | 
|  | SET_PIXEL_CLOCK_PS_ALLOCATION base; | 
|  | PIXEL_CLOCK_PARAMETERS v1; | 
|  | PIXEL_CLOCK_PARAMETERS_V2 v2; | 
|  | PIXEL_CLOCK_PARAMETERS_V3 v3; | 
|  | PIXEL_CLOCK_PARAMETERS_V5 v5; | 
|  | PIXEL_CLOCK_PARAMETERS_V6 v6; | 
|  | }; | 
|  |  | 
|  | /* on DCE5, make sure the voltage is high enough to support the | 
|  | * required disp clk. | 
|  | */ | 
|  | static void atombios_crtc_set_dcpll(struct drm_crtc *crtc, | 
|  | u32 dispclk) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | u8 frev, crev; | 
|  | int index; | 
|  | union set_pixel_clock args; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); | 
|  | if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, | 
|  | &crev)) | 
|  | return; | 
|  |  | 
|  | switch (frev) { | 
|  | case 1: | 
|  | switch (crev) { | 
|  | case 5: | 
|  | /* if the default dcpll clock is specified, | 
|  | * SetPixelClock provides the dividers | 
|  | */ | 
|  | args.v5.ucCRTC = ATOM_CRTC_INVALID; | 
|  | args.v5.usPixelClock = dispclk; | 
|  | args.v5.ucPpll = ATOM_DCPLL; | 
|  | break; | 
|  | case 6: | 
|  | /* if the default dcpll clock is specified, | 
|  | * SetPixelClock provides the dividers | 
|  | */ | 
|  | args.v6.ulDispEngClkFreq = dispclk; | 
|  | args.v6.ucPpll = ATOM_DCPLL; | 
|  | break; | 
|  | default: | 
|  | DRM_ERROR("Unknown table version %d %d\n", frev, crev); | 
|  | return; | 
|  | } | 
|  | break; | 
|  | default: | 
|  | DRM_ERROR("Unknown table version %d %d\n", frev, crev); | 
|  | return; | 
|  | } | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | static void atombios_crtc_program_pll(struct drm_crtc *crtc, | 
|  | int crtc_id, | 
|  | int pll_id, | 
|  | u32 encoder_mode, | 
|  | u32 encoder_id, | 
|  | u32 clock, | 
|  | u32 ref_div, | 
|  | u32 fb_div, | 
|  | u32 frac_fb_div, | 
|  | u32 post_div) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | u8 frev, crev; | 
|  | int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); | 
|  | union set_pixel_clock args; | 
|  |  | 
|  | memset(&args, 0, sizeof(args)); | 
|  |  | 
|  | if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, | 
|  | &crev)) | 
|  | return; | 
|  |  | 
|  | switch (frev) { | 
|  | case 1: | 
|  | switch (crev) { | 
|  | case 1: | 
|  | if (clock == ATOM_DISABLE) | 
|  | return; | 
|  | args.v1.usPixelClock = cpu_to_le16(clock / 10); | 
|  | args.v1.usRefDiv = cpu_to_le16(ref_div); | 
|  | args.v1.usFbDiv = cpu_to_le16(fb_div); | 
|  | args.v1.ucFracFbDiv = frac_fb_div; | 
|  | args.v1.ucPostDiv = post_div; | 
|  | args.v1.ucPpll = pll_id; | 
|  | args.v1.ucCRTC = crtc_id; | 
|  | args.v1.ucRefDivSrc = 1; | 
|  | break; | 
|  | case 2: | 
|  | args.v2.usPixelClock = cpu_to_le16(clock / 10); | 
|  | args.v2.usRefDiv = cpu_to_le16(ref_div); | 
|  | args.v2.usFbDiv = cpu_to_le16(fb_div); | 
|  | args.v2.ucFracFbDiv = frac_fb_div; | 
|  | args.v2.ucPostDiv = post_div; | 
|  | args.v2.ucPpll = pll_id; | 
|  | args.v2.ucCRTC = crtc_id; | 
|  | args.v2.ucRefDivSrc = 1; | 
|  | break; | 
|  | case 3: | 
|  | args.v3.usPixelClock = cpu_to_le16(clock / 10); | 
|  | args.v3.usRefDiv = cpu_to_le16(ref_div); | 
|  | args.v3.usFbDiv = cpu_to_le16(fb_div); | 
|  | args.v3.ucFracFbDiv = frac_fb_div; | 
|  | args.v3.ucPostDiv = post_div; | 
|  | args.v3.ucPpll = pll_id; | 
|  | args.v3.ucMiscInfo = (pll_id << 2); | 
|  | args.v3.ucTransmitterId = encoder_id; | 
|  | args.v3.ucEncoderMode = encoder_mode; | 
|  | break; | 
|  | case 5: | 
|  | args.v5.ucCRTC = crtc_id; | 
|  | args.v5.usPixelClock = cpu_to_le16(clock / 10); | 
|  | args.v5.ucRefDiv = ref_div; | 
|  | args.v5.usFbDiv = cpu_to_le16(fb_div); | 
|  | args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); | 
|  | args.v5.ucPostDiv = post_div; | 
|  | args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */ | 
|  | args.v5.ucTransmitterID = encoder_id; | 
|  | args.v5.ucEncoderMode = encoder_mode; | 
|  | args.v5.ucPpll = pll_id; | 
|  | break; | 
|  | case 6: | 
|  | args.v6.ulCrtcPclkFreq.ucCRTC = crtc_id; | 
|  | args.v6.ulCrtcPclkFreq.ulPixelClock = cpu_to_le32(clock / 10); | 
|  | args.v6.ucRefDiv = ref_div; | 
|  | args.v6.usFbDiv = cpu_to_le16(fb_div); | 
|  | args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); | 
|  | args.v6.ucPostDiv = post_div; | 
|  | args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */ | 
|  | args.v6.ucTransmitterID = encoder_id; | 
|  | args.v6.ucEncoderMode = encoder_mode; | 
|  | args.v6.ucPpll = pll_id; | 
|  | break; | 
|  | default: | 
|  | DRM_ERROR("Unknown table version %d %d\n", frev, crev); | 
|  | return; | 
|  | } | 
|  | break; | 
|  | default: | 
|  | DRM_ERROR("Unknown table version %d %d\n", frev, crev); | 
|  | return; | 
|  | } | 
|  |  | 
|  | atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
|  | } | 
|  |  | 
|  | static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct drm_encoder *encoder = NULL; | 
|  | struct radeon_encoder *radeon_encoder = NULL; | 
|  | u32 pll_clock = mode->clock; | 
|  | u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0; | 
|  | struct radeon_pll *pll; | 
|  | u32 adjusted_clock; | 
|  | int encoder_mode = 0; | 
|  | struct radeon_atom_ss ss; | 
|  | bool ss_enabled = false; | 
|  |  | 
|  | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | 
|  | if (encoder->crtc == crtc) { | 
|  | radeon_encoder = to_radeon_encoder(encoder); | 
|  | encoder_mode = atombios_get_encoder_mode(encoder); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (!radeon_encoder) | 
|  | return; | 
|  |  | 
|  | switch (radeon_crtc->pll_id) { | 
|  | case ATOM_PPLL1: | 
|  | pll = &rdev->clock.p1pll; | 
|  | break; | 
|  | case ATOM_PPLL2: | 
|  | pll = &rdev->clock.p2pll; | 
|  | break; | 
|  | case ATOM_DCPLL: | 
|  | case ATOM_PPLL_INVALID: | 
|  | default: | 
|  | pll = &rdev->clock.dcpll; | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (radeon_encoder->active_device & | 
|  | (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) { | 
|  | struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | 
|  | struct drm_connector *connector = | 
|  | radeon_get_connector_for_encoder(encoder); | 
|  | struct radeon_connector *radeon_connector = | 
|  | to_radeon_connector(connector); | 
|  | struct radeon_connector_atom_dig *dig_connector = | 
|  | radeon_connector->con_priv; | 
|  | int dp_clock; | 
|  |  | 
|  | switch (encoder_mode) { | 
|  | case ATOM_ENCODER_MODE_DP: | 
|  | /* DP/eDP */ | 
|  | dp_clock = dig_connector->dp_clock / 10; | 
|  | if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) { | 
|  | if (ASIC_IS_DCE4(rdev)) | 
|  | ss_enabled = | 
|  | radeon_atombios_get_asic_ss_info(rdev, &ss, | 
|  | dig->lcd_ss_id, | 
|  | dp_clock); | 
|  | else | 
|  | ss_enabled = | 
|  | radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
|  | dig->lcd_ss_id); | 
|  | } else { | 
|  | if (ASIC_IS_DCE4(rdev)) | 
|  | ss_enabled = | 
|  | radeon_atombios_get_asic_ss_info(rdev, &ss, | 
|  | ASIC_INTERNAL_SS_ON_DP, | 
|  | dp_clock); | 
|  | else { | 
|  | if (dp_clock == 16200) { | 
|  | ss_enabled = | 
|  | radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
|  | ATOM_DP_SS_ID2); | 
|  | if (!ss_enabled) | 
|  | ss_enabled = | 
|  | radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
|  | ATOM_DP_SS_ID1); | 
|  | } else | 
|  | ss_enabled = | 
|  | radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
|  | ATOM_DP_SS_ID1); | 
|  | } | 
|  | } | 
|  | break; | 
|  | case ATOM_ENCODER_MODE_LVDS: | 
|  | if (ASIC_IS_DCE4(rdev)) | 
|  | ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, | 
|  | dig->lcd_ss_id, | 
|  | mode->clock / 10); | 
|  | else | 
|  | ss_enabled = radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
|  | dig->lcd_ss_id); | 
|  | break; | 
|  | case ATOM_ENCODER_MODE_DVI: | 
|  | if (ASIC_IS_DCE4(rdev)) | 
|  | ss_enabled = | 
|  | radeon_atombios_get_asic_ss_info(rdev, &ss, | 
|  | ASIC_INTERNAL_SS_ON_TMDS, | 
|  | mode->clock / 10); | 
|  | break; | 
|  | case ATOM_ENCODER_MODE_HDMI: | 
|  | if (ASIC_IS_DCE4(rdev)) | 
|  | ss_enabled = | 
|  | radeon_atombios_get_asic_ss_info(rdev, &ss, | 
|  | ASIC_INTERNAL_SS_ON_HDMI, | 
|  | mode->clock / 10); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* adjust pixel clock as needed */ | 
|  | adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss); | 
|  |  | 
|  | radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, | 
|  | &ref_div, &post_div); | 
|  |  | 
|  | atombios_crtc_program_ss(crtc, ATOM_DISABLE, radeon_crtc->pll_id, &ss); | 
|  |  | 
|  | atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, | 
|  | encoder_mode, radeon_encoder->encoder_id, mode->clock, | 
|  | ref_div, fb_div, frac_fb_div, post_div); | 
|  |  | 
|  | if (ss_enabled) { | 
|  | /* calculate ss amount and step size */ | 
|  | if (ASIC_IS_DCE4(rdev)) { | 
|  | u32 step_size; | 
|  | u32 amount = (((fb_div * 10) + frac_fb_div) * ss.percentage) / 10000; | 
|  | ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK; | 
|  | ss.amount |= ((amount - (ss.amount * 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) & | 
|  | ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK; | 
|  | if (ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD) | 
|  | step_size = (4 * amount * ref_div * (ss.rate * 2048)) / | 
|  | (125 * 25 * pll->reference_freq / 100); | 
|  | else | 
|  | step_size = (2 * amount * ref_div * (ss.rate * 2048)) / | 
|  | (125 * 25 * pll->reference_freq / 100); | 
|  | ss.step = step_size; | 
|  | } | 
|  |  | 
|  | atombios_crtc_program_ss(crtc, ATOM_ENABLE, radeon_crtc->pll_id, &ss); | 
|  | } | 
|  | } | 
|  |  | 
|  | static int evergreen_crtc_do_set_base(struct drm_crtc *crtc, | 
|  | struct drm_framebuffer *fb, | 
|  | int x, int y, int atomic) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct radeon_framebuffer *radeon_fb; | 
|  | struct drm_framebuffer *target_fb; | 
|  | struct drm_gem_object *obj; | 
|  | struct radeon_bo *rbo; | 
|  | uint64_t fb_location; | 
|  | uint32_t fb_format, fb_pitch_pixels, tiling_flags; | 
|  | int r; | 
|  |  | 
|  | /* no fb bound */ | 
|  | if (!atomic && !crtc->fb) { | 
|  | DRM_DEBUG_KMS("No FB bound\n"); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (atomic) { | 
|  | radeon_fb = to_radeon_framebuffer(fb); | 
|  | target_fb = fb; | 
|  | } | 
|  | else { | 
|  | radeon_fb = to_radeon_framebuffer(crtc->fb); | 
|  | target_fb = crtc->fb; | 
|  | } | 
|  |  | 
|  | /* If atomic, assume fb object is pinned & idle & fenced and | 
|  | * just update base pointers | 
|  | */ | 
|  | obj = radeon_fb->obj; | 
|  | rbo = obj->driver_private; | 
|  | r = radeon_bo_reserve(rbo, false); | 
|  | if (unlikely(r != 0)) | 
|  | return r; | 
|  |  | 
|  | if (atomic) | 
|  | fb_location = radeon_bo_gpu_offset(rbo); | 
|  | else { | 
|  | r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); | 
|  | if (unlikely(r != 0)) { | 
|  | radeon_bo_unreserve(rbo); | 
|  | return -EINVAL; | 
|  | } | 
|  | } | 
|  |  | 
|  | radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); | 
|  | radeon_bo_unreserve(rbo); | 
|  |  | 
|  | switch (target_fb->bits_per_pixel) { | 
|  | case 8: | 
|  | fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) | | 
|  | EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED)); | 
|  | break; | 
|  | case 15: | 
|  | fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | | 
|  | EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555)); | 
|  | break; | 
|  | case 16: | 
|  | fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | | 
|  | EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565)); | 
|  | break; | 
|  | case 24: | 
|  | case 32: | 
|  | fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | | 
|  | EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); | 
|  | break; | 
|  | default: | 
|  | DRM_ERROR("Unsupported screen depth %d\n", | 
|  | target_fb->bits_per_pixel); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (tiling_flags & RADEON_TILING_MACRO) | 
|  | fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1); | 
|  | else if (tiling_flags & RADEON_TILING_MICRO) | 
|  | fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); | 
|  |  | 
|  | switch (radeon_crtc->crtc_id) { | 
|  | case 0: | 
|  | WREG32(AVIVO_D1VGA_CONTROL, 0); | 
|  | break; | 
|  | case 1: | 
|  | WREG32(AVIVO_D2VGA_CONTROL, 0); | 
|  | break; | 
|  | case 2: | 
|  | WREG32(EVERGREEN_D3VGA_CONTROL, 0); | 
|  | break; | 
|  | case 3: | 
|  | WREG32(EVERGREEN_D4VGA_CONTROL, 0); | 
|  | break; | 
|  | case 4: | 
|  | WREG32(EVERGREEN_D5VGA_CONTROL, 0); | 
|  | break; | 
|  | case 5: | 
|  | WREG32(EVERGREEN_D6VGA_CONTROL, 0); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, | 
|  | upper_32_bits(fb_location)); | 
|  | WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, | 
|  | upper_32_bits(fb_location)); | 
|  | WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, | 
|  | (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); | 
|  | WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, | 
|  | (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); | 
|  | WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); | 
|  |  | 
|  | WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); | 
|  | WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); | 
|  | WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0); | 
|  | WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0); | 
|  | WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); | 
|  | WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); | 
|  |  | 
|  | fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8); | 
|  | WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); | 
|  | WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); | 
|  |  | 
|  | WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, | 
|  | crtc->mode.vdisplay); | 
|  | x &= ~3; | 
|  | y &= ~1; | 
|  | WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset, | 
|  | (x << 16) | y); | 
|  | WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, | 
|  | (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay); | 
|  |  | 
|  | if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) | 
|  | WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, | 
|  | EVERGREEN_INTERLEAVE_EN); | 
|  | else | 
|  | WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, 0); | 
|  |  | 
|  | if (!atomic && fb && fb != crtc->fb) { | 
|  | radeon_fb = to_radeon_framebuffer(fb); | 
|  | rbo = radeon_fb->obj->driver_private; | 
|  | r = radeon_bo_reserve(rbo, false); | 
|  | if (unlikely(r != 0)) | 
|  | return r; | 
|  | radeon_bo_unpin(rbo); | 
|  | radeon_bo_unreserve(rbo); | 
|  | } | 
|  |  | 
|  | /* Bytes per pixel may have changed */ | 
|  | radeon_bandwidth_update(rdev); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int avivo_crtc_do_set_base(struct drm_crtc *crtc, | 
|  | struct drm_framebuffer *fb, | 
|  | int x, int y, int atomic) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct radeon_framebuffer *radeon_fb; | 
|  | struct drm_gem_object *obj; | 
|  | struct radeon_bo *rbo; | 
|  | struct drm_framebuffer *target_fb; | 
|  | uint64_t fb_location; | 
|  | uint32_t fb_format, fb_pitch_pixels, tiling_flags; | 
|  | int r; | 
|  |  | 
|  | /* no fb bound */ | 
|  | if (!atomic && !crtc->fb) { | 
|  | DRM_DEBUG_KMS("No FB bound\n"); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | if (atomic) { | 
|  | radeon_fb = to_radeon_framebuffer(fb); | 
|  | target_fb = fb; | 
|  | } | 
|  | else { | 
|  | radeon_fb = to_radeon_framebuffer(crtc->fb); | 
|  | target_fb = crtc->fb; | 
|  | } | 
|  |  | 
|  | obj = radeon_fb->obj; | 
|  | rbo = obj->driver_private; | 
|  | r = radeon_bo_reserve(rbo, false); | 
|  | if (unlikely(r != 0)) | 
|  | return r; | 
|  |  | 
|  | /* If atomic, assume fb object is pinned & idle & fenced and | 
|  | * just update base pointers | 
|  | */ | 
|  | if (atomic) | 
|  | fb_location = radeon_bo_gpu_offset(rbo); | 
|  | else { | 
|  | r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); | 
|  | if (unlikely(r != 0)) { | 
|  | radeon_bo_unreserve(rbo); | 
|  | return -EINVAL; | 
|  | } | 
|  | } | 
|  | radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); | 
|  | radeon_bo_unreserve(rbo); | 
|  |  | 
|  | switch (target_fb->bits_per_pixel) { | 
|  | case 8: | 
|  | fb_format = | 
|  | AVIVO_D1GRPH_CONTROL_DEPTH_8BPP | | 
|  | AVIVO_D1GRPH_CONTROL_8BPP_INDEXED; | 
|  | break; | 
|  | case 15: | 
|  | fb_format = | 
|  | AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | | 
|  | AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555; | 
|  | break; | 
|  | case 16: | 
|  | fb_format = | 
|  | AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | | 
|  | AVIVO_D1GRPH_CONTROL_16BPP_RGB565; | 
|  | break; | 
|  | case 24: | 
|  | case 32: | 
|  | fb_format = | 
|  | AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | | 
|  | AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; | 
|  | break; | 
|  | default: | 
|  | DRM_ERROR("Unsupported screen depth %d\n", | 
|  | target_fb->bits_per_pixel); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | if (rdev->family >= CHIP_R600) { | 
|  | if (tiling_flags & RADEON_TILING_MACRO) | 
|  | fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1; | 
|  | else if (tiling_flags & RADEON_TILING_MICRO) | 
|  | fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1; | 
|  | } else { | 
|  | if (tiling_flags & RADEON_TILING_MACRO) | 
|  | fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE; | 
|  |  | 
|  | if (tiling_flags & RADEON_TILING_MICRO) | 
|  | fb_format |= AVIVO_D1GRPH_TILED; | 
|  | } | 
|  |  | 
|  | if (radeon_crtc->crtc_id == 0) | 
|  | WREG32(AVIVO_D1VGA_CONTROL, 0); | 
|  | else | 
|  | WREG32(AVIVO_D2VGA_CONTROL, 0); | 
|  |  | 
|  | if (rdev->family >= CHIP_RV770) { | 
|  | if (radeon_crtc->crtc_id) { | 
|  | WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); | 
|  | WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); | 
|  | } else { | 
|  | WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); | 
|  | WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); | 
|  | } | 
|  | } | 
|  | WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, | 
|  | (u32) fb_location); | 
|  | WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + | 
|  | radeon_crtc->crtc_offset, (u32) fb_location); | 
|  | WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); | 
|  |  | 
|  | WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); | 
|  | WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); | 
|  | WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0); | 
|  | WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0); | 
|  | WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); | 
|  | WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); | 
|  |  | 
|  | fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8); | 
|  | WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); | 
|  | WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); | 
|  |  | 
|  | WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, | 
|  | crtc->mode.vdisplay); | 
|  | x &= ~3; | 
|  | y &= ~1; | 
|  | WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, | 
|  | (x << 16) | y); | 
|  | WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, | 
|  | (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay); | 
|  |  | 
|  | if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) | 
|  | WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, | 
|  | AVIVO_D1MODE_INTERLEAVE_EN); | 
|  | else | 
|  | WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0); | 
|  |  | 
|  | if (!atomic && fb && fb != crtc->fb) { | 
|  | radeon_fb = to_radeon_framebuffer(fb); | 
|  | rbo = radeon_fb->obj->driver_private; | 
|  | r = radeon_bo_reserve(rbo, false); | 
|  | if (unlikely(r != 0)) | 
|  | return r; | 
|  | radeon_bo_unpin(rbo); | 
|  | radeon_bo_unreserve(rbo); | 
|  | } | 
|  |  | 
|  | /* Bytes per pixel may have changed */ | 
|  | radeon_bandwidth_update(rdev); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y, | 
|  | struct drm_framebuffer *old_fb) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  |  | 
|  | if (ASIC_IS_DCE4(rdev)) | 
|  | return evergreen_crtc_do_set_base(crtc, old_fb, x, y, 0); | 
|  | else if (ASIC_IS_AVIVO(rdev)) | 
|  | return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0); | 
|  | else | 
|  | return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0); | 
|  | } | 
|  |  | 
|  | int atombios_crtc_set_base_atomic(struct drm_crtc *crtc, | 
|  | struct drm_framebuffer *fb, | 
|  | int x, int y, enum mode_set_atomic state) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  |  | 
|  | if (ASIC_IS_DCE4(rdev)) | 
|  | return evergreen_crtc_do_set_base(crtc, fb, x, y, 1); | 
|  | else if (ASIC_IS_AVIVO(rdev)) | 
|  | return avivo_crtc_do_set_base(crtc, fb, x, y, 1); | 
|  | else | 
|  | return radeon_crtc_do_set_base(crtc, fb, x, y, 1); | 
|  | } | 
|  |  | 
|  | /* properly set additional regs when using atombios */ | 
|  | static void radeon_legacy_atom_fixup(struct drm_crtc *crtc) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | u32 disp_merge_cntl; | 
|  |  | 
|  | switch (radeon_crtc->crtc_id) { | 
|  | case 0: | 
|  | disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL); | 
|  | disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN; | 
|  | WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl); | 
|  | break; | 
|  | case 1: | 
|  | disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL); | 
|  | disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN; | 
|  | WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl); | 
|  | WREG32(RADEON_FP_H2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_H_SYNC_STRT_WID)); | 
|  | WREG32(RADEON_FP_V2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_V_SYNC_STRT_WID)); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | static int radeon_atom_pick_pll(struct drm_crtc *crtc) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct drm_encoder *test_encoder; | 
|  | struct drm_crtc *test_crtc; | 
|  | uint32_t pll_in_use = 0; | 
|  |  | 
|  | if (ASIC_IS_DCE4(rdev)) { | 
|  | /* if crtc is driving DP and we have an ext clock, use that */ | 
|  | list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) { | 
|  | if (test_encoder->crtc && (test_encoder->crtc == crtc)) { | 
|  | if (atombios_get_encoder_mode(test_encoder) == ATOM_ENCODER_MODE_DP) { | 
|  | if (rdev->clock.dp_extclk) | 
|  | return ATOM_PPLL_INVALID; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* otherwise, pick one of the plls */ | 
|  | list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { | 
|  | struct radeon_crtc *radeon_test_crtc; | 
|  |  | 
|  | if (crtc == test_crtc) | 
|  | continue; | 
|  |  | 
|  | radeon_test_crtc = to_radeon_crtc(test_crtc); | 
|  | if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) && | 
|  | (radeon_test_crtc->pll_id <= ATOM_PPLL2)) | 
|  | pll_in_use |= (1 << radeon_test_crtc->pll_id); | 
|  | } | 
|  | if (!(pll_in_use & 1)) | 
|  | return ATOM_PPLL1; | 
|  | return ATOM_PPLL2; | 
|  | } else | 
|  | return radeon_crtc->crtc_id; | 
|  |  | 
|  | } | 
|  |  | 
|  | int atombios_crtc_mode_set(struct drm_crtc *crtc, | 
|  | struct drm_display_mode *mode, | 
|  | struct drm_display_mode *adjusted_mode, | 
|  | int x, int y, struct drm_framebuffer *old_fb) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  | struct drm_encoder *encoder; | 
|  | bool is_tvcv = false; | 
|  |  | 
|  | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | 
|  | /* find tv std */ | 
|  | if (encoder->crtc == crtc) { | 
|  | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | 
|  | if (radeon_encoder->active_device & | 
|  | (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) | 
|  | is_tvcv = true; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* always set DCPLL */ | 
|  | if (ASIC_IS_DCE4(rdev)) { | 
|  | struct radeon_atom_ss ss; | 
|  | bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, | 
|  | ASIC_INTERNAL_SS_ON_DCPLL, | 
|  | rdev->clock.default_dispclk); | 
|  | if (ss_enabled) | 
|  | atombios_crtc_program_ss(crtc, ATOM_DISABLE, ATOM_DCPLL, &ss); | 
|  | /* XXX: DCE5, make sure voltage, dispclk is high enough */ | 
|  | atombios_crtc_set_dcpll(crtc, rdev->clock.default_dispclk); | 
|  | if (ss_enabled) | 
|  | atombios_crtc_program_ss(crtc, ATOM_ENABLE, ATOM_DCPLL, &ss); | 
|  | } | 
|  | atombios_crtc_set_pll(crtc, adjusted_mode); | 
|  |  | 
|  | if (ASIC_IS_DCE4(rdev)) | 
|  | atombios_set_crtc_dtd_timing(crtc, adjusted_mode); | 
|  | else if (ASIC_IS_AVIVO(rdev)) { | 
|  | if (is_tvcv) | 
|  | atombios_crtc_set_timing(crtc, adjusted_mode); | 
|  | else | 
|  | atombios_set_crtc_dtd_timing(crtc, adjusted_mode); | 
|  | } else { | 
|  | atombios_crtc_set_timing(crtc, adjusted_mode); | 
|  | if (radeon_crtc->crtc_id == 0) | 
|  | atombios_set_crtc_dtd_timing(crtc, adjusted_mode); | 
|  | radeon_legacy_atom_fixup(crtc); | 
|  | } | 
|  | atombios_crtc_set_base(crtc, x, y, old_fb); | 
|  | atombios_overscan_setup(crtc, mode, adjusted_mode); | 
|  | atombios_scaler_setup(crtc); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc, | 
|  | struct drm_display_mode *mode, | 
|  | struct drm_display_mode *adjusted_mode) | 
|  | { | 
|  | struct drm_device *dev = crtc->dev; | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  |  | 
|  | /* adjust pm to upcoming mode change */ | 
|  | radeon_pm_compute_clocks(rdev); | 
|  |  | 
|  | if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) | 
|  | return false; | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static void atombios_crtc_prepare(struct drm_crtc *crtc) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  |  | 
|  | /* pick pll */ | 
|  | radeon_crtc->pll_id = radeon_atom_pick_pll(crtc); | 
|  |  | 
|  | atombios_lock_crtc(crtc, ATOM_ENABLE); | 
|  | atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); | 
|  | } | 
|  |  | 
|  | static void atombios_crtc_commit(struct drm_crtc *crtc) | 
|  | { | 
|  | atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON); | 
|  | atombios_lock_crtc(crtc, ATOM_DISABLE); | 
|  | } | 
|  |  | 
|  | static void atombios_crtc_disable(struct drm_crtc *crtc) | 
|  | { | 
|  | struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
|  | atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); | 
|  |  | 
|  | switch (radeon_crtc->pll_id) { | 
|  | case ATOM_PPLL1: | 
|  | case ATOM_PPLL2: | 
|  | /* disable the ppll */ | 
|  | atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, | 
|  | 0, 0, ATOM_DISABLE, 0, 0, 0, 0); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  | radeon_crtc->pll_id = -1; | 
|  | } | 
|  |  | 
|  | static const struct drm_crtc_helper_funcs atombios_helper_funcs = { | 
|  | .dpms = atombios_crtc_dpms, | 
|  | .mode_fixup = atombios_crtc_mode_fixup, | 
|  | .mode_set = atombios_crtc_mode_set, | 
|  | .mode_set_base = atombios_crtc_set_base, | 
|  | .mode_set_base_atomic = atombios_crtc_set_base_atomic, | 
|  | .prepare = atombios_crtc_prepare, | 
|  | .commit = atombios_crtc_commit, | 
|  | .load_lut = radeon_crtc_load_lut, | 
|  | .disable = atombios_crtc_disable, | 
|  | }; | 
|  |  | 
|  | void radeon_atombios_init_crtc(struct drm_device *dev, | 
|  | struct radeon_crtc *radeon_crtc) | 
|  | { | 
|  | struct radeon_device *rdev = dev->dev_private; | 
|  |  | 
|  | if (ASIC_IS_DCE4(rdev)) { | 
|  | switch (radeon_crtc->crtc_id) { | 
|  | case 0: | 
|  | default: | 
|  | radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET; | 
|  | break; | 
|  | case 1: | 
|  | radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET; | 
|  | break; | 
|  | case 2: | 
|  | radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET; | 
|  | break; | 
|  | case 3: | 
|  | radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET; | 
|  | break; | 
|  | case 4: | 
|  | radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET; | 
|  | break; | 
|  | case 5: | 
|  | radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET; | 
|  | break; | 
|  | } | 
|  | } else { | 
|  | if (radeon_crtc->crtc_id == 1) | 
|  | radeon_crtc->crtc_offset = | 
|  | AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL; | 
|  | else | 
|  | radeon_crtc->crtc_offset = 0; | 
|  | } | 
|  | radeon_crtc->pll_id = -1; | 
|  | drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs); | 
|  | } |