diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 2265 |
1 files changed, 2265 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c new file mode 100644 index 000000000..d28d3acb3 --- /dev/null +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -0,0 +1,2265 @@ +/* + * 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/drm_crtc_helper.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_fixed.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_framebuffer.h> +#include <drm/drm_vblank.h> +#include <drm/radeon_drm.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 = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2); + args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2); + args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2); + args.usOverscanRight = cpu_to_le16((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 = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2); + args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2); + } else if (a2 > a1) { + args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2); + args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2); + } + break; + case RMX_FULL: + default: + args.usOverscanRight = cpu_to_le16(radeon_crtc->h_border); + args.usOverscanLeft = cpu_to_le16(radeon_crtc->h_border); + args.usOverscanBottom = cpu_to_le16(radeon_crtc->v_border); + args.usOverscanTop = cpu_to_le16(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); + struct radeon_encoder *radeon_encoder = + to_radeon_encoder(radeon_crtc->encoder); + /* fixme - fill in enc_priv for atom dac */ + enum radeon_tv_std tv_std = TV_STD_NTSC; + bool is_tv = false, is_cv = false; + + if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id) + return; + + 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 const u32 vga_control_regs[6] = +{ + AVIVO_D1VGA_CONTROL, + AVIVO_D2VGA_CONTROL, + EVERGREEN_D3VGA_CONTROL, + EVERGREEN_D4VGA_CONTROL, + EVERGREEN_D5VGA_CONTROL, + EVERGREEN_D6VGA_CONTROL, +}; + +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; + u32 vga_control = 0; + + memset(&args, 0, sizeof(args)); + + if (ASIC_IS_DCE8(rdev)) { + vga_control = RREG32(vga_control_regs[radeon_crtc->crtc_id]); + WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control | 1); + } + + args.ucCRTC = radeon_crtc->crtc_id; + args.ucBlanking = state; + + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + + if (ASIC_IS_DCE8(rdev)) + WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control); +} + +static void atombios_powergate_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, EnableDispPowerGating); + ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + + memset(&args, 0, sizeof(args)); + + args.ucDispPipeId = radeon_crtc->crtc_id; + args.ucEnable = 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; + atombios_enable_crtc(crtc, ATOM_ENABLE); + if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) + atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); + atombios_blank_crtc(crtc, ATOM_DISABLE); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_crtc_vblank_on(crtc); + radeon_crtc_load_lut(crtc); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_crtc_vblank_off(crtc); + if (radeon_crtc->enabled) + atombios_blank_crtc(crtc, ATOM_ENABLE); + if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) + atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); + atombios_enable_crtc(crtc, ATOM_DISABLE); + radeon_crtc->enabled = false; + break; + } + /* adjust pm to dpms */ + radeon_pm_compute_clocks(rdev); +} + +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_DBLCLK) + misc |= ATOM_DOUBLE_CLOCK_MODE; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) + misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; + + 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_DBLCLK) + misc |= ATOM_DOUBLE_CLOCK_MODE; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) + misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; + + 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 radeon_device *rdev, int pll_id) +{ + u32 ss_cntl; + + if (ASIC_IS_DCE4(rdev)) { + switch (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 (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 radeon_device *rdev, + int enable, + int pll_id, + int crtc_id, + struct radeon_atom_ss *ss) +{ + unsigned i; + int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL); + union atom_enable_ss args; + + if (enable) { + /* Don't mess with SS if percentage is 0 or external ss. + * SS is already disabled previously, and disabling it + * again can cause display problems if the pll is already + * programmed. + */ + if (ss->percentage == 0) + return; + if (ss->type & ATOM_EXTERNAL_SS_MASK) + return; + } else { + for (i = 0; i < rdev->num_crtc; i++) { + if (rdev->mode_info.crtcs[i] && + rdev->mode_info.crtcs[i]->enabled && + i != crtc_id && + pll_id == rdev->mode_info.crtcs[i]->pll_id) { + /* one other crtc is using this pll don't turn + * off spread spectrum as it might turn off + * display on active crtc + */ + return; + } + } + } + + memset(&args, 0, sizeof(args)); + + if (ASIC_IS_DCE5(rdev)) { + args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0); + args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; + switch (pll_id) { + case ATOM_PPLL1: + args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL; + break; + case ATOM_PPLL2: + args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL; + break; + case ATOM_DCPLL: + args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL; + break; + case ATOM_PPLL_INVALID: + return; + } + args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); + args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step); + args.v3.ucEnable = enable; + } else if (ASIC_IS_DCE4(rdev)) { + args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); + args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; + switch (pll_id) { + case ATOM_PPLL1: + args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL; + break; + case ATOM_PPLL2: + args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL; + break; + case ATOM_DCPLL: + args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL; + break; + case ATOM_PPLL_INVALID: + return; + } + args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); + args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step); + args.v2.ucEnable = enable; + } else if (ASIC_IS_DCE3(rdev)) { + args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); + args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; + 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) || (ss->percentage == 0) || + (ss->type & ATOM_EXTERNAL_SS_MASK)) { + atombios_disable_ss(rdev, pll_id); + return; + } + args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); + args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; + 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(rdev, pll_id); + return; + } + args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); + args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; + 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_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + struct drm_encoder *encoder = radeon_crtc->encoder; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + u32 adjusted_clock = mode->clock; + int encoder_mode = atombios_get_encoder_mode(encoder); + u32 dp_clock = mode->clock; + u32 clock = mode->clock; + int bpc = radeon_crtc->bpc; + bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock); + + /* reset the pll flags */ + radeon_crtc->pll_flags = 0; + + if (ASIC_IS_AVIVO(rdev)) { + if ((rdev->family == CHIP_RS600) || + (rdev->family == CHIP_RS690) || + (rdev->family == CHIP_RS740)) + radeon_crtc->pll_flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/ + RADEON_PLL_PREFER_CLOSEST_LOWER); + + if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */ + radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; + else + radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; + + if (rdev->family < CHIP_RV770) + radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; + /* use frac fb div on APUs */ + if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) + radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; + /* use frac fb div on RS780/RS880 */ + if (((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) + && !radeon_crtc->ss_enabled) + radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; + if (ASIC_IS_DCE32(rdev) && mode->clock > 165000) + radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; + } else { + radeon_crtc->pll_flags |= RADEON_PLL_LEGACY; + + if (mode->clock > 200000) /* range limits??? */ + radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; + else + radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; + } + + if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || + (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) { + 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; + } + } + + /* use recommended ref_div for ss */ + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { + if (radeon_crtc->ss_enabled) { + if (radeon_crtc->ss.refdiv) { + radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; + radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv; + if (ASIC_IS_AVIVO(rdev) && + rdev->family != CHIP_RS780 && + rdev->family != CHIP_RS880) + radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; + } + } + } + + 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)) + radeon_crtc->pll_flags |= RADEON_PLL_PREFER_CLOSEST_LOWER; + if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) + radeon_crtc->pll_flags |= RADEON_PLL_IS_LCD; + } else { + if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) + radeon_crtc->pll_flags |= RADEON_PLL_NO_ODD_POST_DIV; + if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) + radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; + } + + /* adjust pll for deep color modes */ + if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { + switch (bpc) { + case 8: + default: + break; + case 10: + clock = (clock * 5) / 4; + break; + case 12: + clock = (clock * 3) / 2; + break; + case 16: + clock = clock * 2; + 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(clock / 10); + args.v1.ucTransmitterID = radeon_encoder->encoder_id; + args.v1.ucEncodeMode = encoder_mode; + if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) + 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(clock / 10); + args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id; + args.v3.sInput.ucEncodeMode = encoder_mode; + args.v3.sInput.ucDispPllConfig = 0; + if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) + args.v3.sInput.ucDispPllConfig |= + DISPPLL_CONFIG_SS_ENABLE; + if (ENCODER_MODE_IS_DP(encoder_mode)) { + args.v3.sInput.ucDispPllConfig |= + DISPPLL_CONFIG_COHERENT_MODE; + /* 16200 or 27000 */ + args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); + } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + if (dig->coherent_mode) + args.v3.sInput.ucDispPllConfig |= + DISPPLL_CONFIG_COHERENT_MODE; + if (is_duallink) + args.v3.sInput.ucDispPllConfig |= + DISPPLL_CONFIG_DUAL_LINK; + } + if (radeon_encoder_get_dp_bridge_encoder_id(encoder) != + ENCODER_OBJECT_ID_NONE) + args.v3.sInput.ucExtTransmitterID = + radeon_encoder_get_dp_bridge_encoder_id(encoder); + else + args.v3.sInput.ucExtTransmitterID = 0; + + 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) { + radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; + radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; + radeon_crtc->pll_reference_div = args.v3.sOutput.ucRefDiv; + } + if (args.v3.sOutput.ucPostDiv) { + radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; + radeon_crtc->pll_flags |= RADEON_PLL_USE_POST_DIV; + radeon_crtc->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_disp_eng_pll(struct radeon_device *rdev, + u32 dispclk) +{ + 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 = cpu_to_le16(dispclk); + args.v5.ucPpll = ATOM_DCPLL; + break; + case 6: + /* if the default dcpll clock is specified, + * SetPixelClock provides the dividers + */ + args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk); + if (ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) + args.v6.ucPpll = ATOM_EXT_PLL1; + else if (ASIC_IS_DCE6(rdev)) + args.v6.ucPpll = ATOM_PPLL0; + else + 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, + u32 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, + int bpc, + bool ss_enabled, + struct radeon_atom_ss *ss) +{ + 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; + if (crtc_id == ATOM_CRTC2) + args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2; + else + args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1; + if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) + args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC; + 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. */ + if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC; + if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { + switch (bpc) { + case 8: + default: + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; + break; + case 10: + /* yes this is correct, the atom define is wrong */ + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_32BPP; + break; + case 12: + /* yes this is correct, the atom define is wrong */ + args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; + break; + } + } + args.v5.ucTransmitterID = encoder_id; + args.v5.ucEncoderMode = encoder_mode; + args.v5.ucPpll = pll_id; + break; + case 6: + args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | 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. */ + if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC; + if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { + switch (bpc) { + case 8: + default: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; + break; + case 10: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP_V6; + break; + case 12: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP_V6; + break; + case 16: + args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; + break; + } + } + 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 bool atombios_crtc_prepare_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 radeon_encoder *radeon_encoder = + to_radeon_encoder(radeon_crtc->encoder); + int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); + + radeon_crtc->bpc = 8; + radeon_crtc->ss_enabled = false; + + if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || + (radeon_encoder_get_dp_bridge_encoder_id(radeon_crtc->encoder) != ENCODER_OBJECT_ID_NONE)) { + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + struct drm_connector *connector = + radeon_get_connector_for_encoder(radeon_crtc->encoder); + struct radeon_connector *radeon_connector = + to_radeon_connector(connector); + struct radeon_connector_atom_dig *dig_connector = + radeon_connector->con_priv; + int dp_clock; + + /* Assign mode clock for hdmi deep color max clock limit check */ + radeon_connector->pixelclock_for_modeset = mode->clock; + radeon_crtc->bpc = radeon_get_monitor_bpc(connector); + + switch (encoder_mode) { + case ATOM_ENCODER_MODE_DP_MST: + case ATOM_ENCODER_MODE_DP: + /* DP/eDP */ + dp_clock = dig_connector->dp_clock / 10; + if (ASIC_IS_DCE4(rdev)) + radeon_crtc->ss_enabled = + radeon_atombios_get_asic_ss_info(rdev, &radeon_crtc->ss, + ASIC_INTERNAL_SS_ON_DP, + dp_clock); + else { + if (dp_clock == 16200) { + radeon_crtc->ss_enabled = + radeon_atombios_get_ppll_ss_info(rdev, + &radeon_crtc->ss, + ATOM_DP_SS_ID2); + if (!radeon_crtc->ss_enabled) + radeon_crtc->ss_enabled = + radeon_atombios_get_ppll_ss_info(rdev, + &radeon_crtc->ss, + ATOM_DP_SS_ID1); + } else { + radeon_crtc->ss_enabled = + radeon_atombios_get_ppll_ss_info(rdev, + &radeon_crtc->ss, + ATOM_DP_SS_ID1); + } + /* disable spread spectrum on DCE3 DP */ + radeon_crtc->ss_enabled = false; + } + break; + case ATOM_ENCODER_MODE_LVDS: + if (ASIC_IS_DCE4(rdev)) + radeon_crtc->ss_enabled = + radeon_atombios_get_asic_ss_info(rdev, + &radeon_crtc->ss, + dig->lcd_ss_id, + mode->clock / 10); + else + radeon_crtc->ss_enabled = + radeon_atombios_get_ppll_ss_info(rdev, + &radeon_crtc->ss, + dig->lcd_ss_id); + break; + case ATOM_ENCODER_MODE_DVI: + if (ASIC_IS_DCE4(rdev)) + radeon_crtc->ss_enabled = + radeon_atombios_get_asic_ss_info(rdev, + &radeon_crtc->ss, + ASIC_INTERNAL_SS_ON_TMDS, + mode->clock / 10); + break; + case ATOM_ENCODER_MODE_HDMI: + if (ASIC_IS_DCE4(rdev)) + radeon_crtc->ss_enabled = + radeon_atombios_get_asic_ss_info(rdev, + &radeon_crtc->ss, + ASIC_INTERNAL_SS_ON_HDMI, + mode->clock / 10); + break; + default: + break; + } + } + + /* adjust pixel clock as needed */ + radeon_crtc->adjusted_clock = atombios_adjust_pll(crtc, mode); + + return true; +} + +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 radeon_encoder *radeon_encoder = + to_radeon_encoder(radeon_crtc->encoder); + u32 pll_clock = mode->clock; + u32 clock = mode->clock; + u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0; + struct radeon_pll *pll; + int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); + + /* pass the actual clock to atombios_crtc_program_pll for DCE5,6 for HDMI */ + if (ASIC_IS_DCE5(rdev) && + (encoder_mode == ATOM_ENCODER_MODE_HDMI) && + (radeon_crtc->bpc > 8)) + clock = radeon_crtc->adjusted_clock; + + 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; + } + + /* update pll params */ + pll->flags = radeon_crtc->pll_flags; + pll->reference_div = radeon_crtc->pll_reference_div; + pll->post_div = radeon_crtc->pll_post_div; + + if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) + /* TV seems to prefer the legacy algo on some boards */ + radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, + &fb_div, &frac_fb_div, &ref_div, &post_div); + else if (ASIC_IS_AVIVO(rdev)) + radeon_compute_pll_avivo(pll, radeon_crtc->adjusted_clock, &pll_clock, + &fb_div, &frac_fb_div, &ref_div, &post_div); + else + radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, + &fb_div, &frac_fb_div, &ref_div, &post_div); + + atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id, + radeon_crtc->crtc_id, &radeon_crtc->ss); + + atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, + encoder_mode, radeon_encoder->encoder_id, clock, + ref_div, fb_div, frac_fb_div, post_div, + radeon_crtc->bpc, radeon_crtc->ss_enabled, &radeon_crtc->ss); + + if (radeon_crtc->ss_enabled) { + /* calculate ss amount and step size */ + if (ASIC_IS_DCE4(rdev)) { + u32 step_size; + u32 amount = (((fb_div * 10) + frac_fb_div) * + (u32)radeon_crtc->ss.percentage) / + (100 * (u32)radeon_crtc->ss.percentage_divider); + radeon_crtc->ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK; + radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) & + ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK; + if (radeon_crtc->ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD) + step_size = (4 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / + (125 * 25 * pll->reference_freq / 100); + else + step_size = (2 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / + (125 * 25 * pll->reference_freq / 100); + radeon_crtc->ss.step = step_size; + } + + atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id, + radeon_crtc->crtc_id, &radeon_crtc->ss); + } +} + +static int dce4_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 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; + unsigned bankw, bankh, mtaspect, tile_split; + u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE); + u32 tmp, viewport_w, viewport_h; + int r; + bool bypass_lut = false; + + /* no fb bound */ + if (!atomic && !crtc->primary->fb) { + DRM_DEBUG_KMS("No FB bound\n"); + return 0; + } + + if (atomic) + target_fb = fb; + else + target_fb = crtc->primary->fb; + + /* If atomic, assume fb object is pinned & idle & fenced and + * just update base pointers + */ + obj = target_fb->obj[0]; + rbo = gem_to_radeon_bo(obj); + 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->format->format) { + case DRM_FORMAT_C8: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED)); + break; + case DRM_FORMAT_XRGB4444: + case DRM_FORMAT_ARGB4444: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB4444)); +#ifdef __BIG_ENDIAN + fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); +#endif + break; + case DRM_FORMAT_XRGB1555: + case DRM_FORMAT_ARGB1555: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555)); +#ifdef __BIG_ENDIAN + fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); +#endif + break; + case DRM_FORMAT_BGRX5551: + case DRM_FORMAT_BGRA5551: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA5551)); +#ifdef __BIG_ENDIAN + fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); +#endif + break; + case DRM_FORMAT_RGB565: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565)); +#ifdef __BIG_ENDIAN + fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); +#endif + break; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); +#ifdef __BIG_ENDIAN + fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); +#endif + break; + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB2101010)); +#ifdef __BIG_ENDIAN + fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); +#endif + /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ + bypass_lut = true; + break; + case DRM_FORMAT_BGRX1010102: + case DRM_FORMAT_BGRA1010102: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA1010102)); +#ifdef __BIG_ENDIAN + fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); +#endif + /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ + bypass_lut = true; + break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | + EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); + fb_swap = (EVERGREEN_GRPH_RED_CROSSBAR(EVERGREEN_GRPH_RED_SEL_B) | + EVERGREEN_GRPH_BLUE_CROSSBAR(EVERGREEN_GRPH_BLUE_SEL_R)); +#ifdef __BIG_ENDIAN + fb_swap |= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); +#endif + break; + default: + DRM_ERROR("Unsupported screen format %p4cc\n", + &target_fb->format->format); + return -EINVAL; + } + + if (tiling_flags & RADEON_TILING_MACRO) { + evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); + + /* Set NUM_BANKS. */ + if (rdev->family >= CHIP_TAHITI) { + unsigned index, num_banks; + + if (rdev->family >= CHIP_BONAIRE) { + unsigned tileb, tile_split_bytes; + + /* Calculate the macrotile mode index. */ + tile_split_bytes = 64 << tile_split; + tileb = 8 * 8 * target_fb->format->cpp[0]; + tileb = min(tile_split_bytes, tileb); + + for (index = 0; tileb > 64; index++) + tileb >>= 1; + + if (index >= 16) { + DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n", + target_fb->format->cpp[0] * 8, + tile_split); + return -EINVAL; + } + + num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; + } else { + switch (target_fb->format->cpp[0] * 8) { + case 8: + index = 10; + break; + case 16: + index = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP; + break; + default: + case 32: + index = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP; + break; + } + + num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3; + } + + fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); + } else { + /* NI and older. */ + if (rdev->family >= CHIP_CAYMAN) + tmp = rdev->config.cayman.tile_config; + else + tmp = rdev->config.evergreen.tile_config; + + switch ((tmp & 0xf0) >> 4) { + case 0: /* 4 banks */ + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); + break; + case 1: /* 8 banks */ + default: + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); + break; + case 2: /* 16 banks */ + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); + break; + } + } + + fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1); + fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split); + fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw); + fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh); + fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect); + if (rdev->family >= CHIP_BONAIRE) { + /* XXX need to know more about the surface tiling mode */ + fb_format |= CIK_GRPH_MICRO_TILE_MODE(CIK_DISPLAY_MICRO_TILING); + } + } else if (tiling_flags & RADEON_TILING_MICRO) + fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); + + if (rdev->family >= CHIP_BONAIRE) { + /* Read the pipe config from the 2D TILED SCANOUT mode. + * It should be the same for the other modes too, but not all + * modes set the pipe config field. */ + u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f; + + fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config); + } else if ((rdev->family == CHIP_TAHITI) || + (rdev->family == CHIP_PITCAIRN)) + fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16); + else if ((rdev->family == CHIP_VERDE) || + (rdev->family == CHIP_OLAND) || + (rdev->family == CHIP_HAINAN)) /* for completeness. HAINAN has no display hw */ + fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16); + + 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; + } + + /* Make sure surface address is updated at vertical blank rather than + * horizontal blank + */ + WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, 0); + + 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_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); + + /* + * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT + * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to + * retain the full precision throughout the pipeline. + */ + WREG32_P(EVERGREEN_GRPH_LUT_10BIT_BYPASS_CONTROL + radeon_crtc->crtc_offset, + (bypass_lut ? EVERGREEN_LUT_10BIT_BYPASS_EN : 0), + ~EVERGREEN_LUT_10BIT_BYPASS_EN); + + if (bypass_lut) + DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); + + 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->pitches[0] / target_fb->format->cpp[0]; + WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); + WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); + + if (rdev->family >= CHIP_BONAIRE) + WREG32(CIK_LB_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, + target_fb->height); + else + WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, + target_fb->height); + x &= ~3; + y &= ~1; + WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset, + (x << 16) | y); + viewport_w = crtc->mode.hdisplay; + viewport_h = (crtc->mode.vdisplay + 1) & ~1; + if ((rdev->family >= CHIP_BONAIRE) && + (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)) + viewport_h *= 2; + WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, + (viewport_w << 16) | viewport_h); + + /* set pageflip to happen anywhere in vblank interval */ + WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); + + if (!atomic && fb && fb != crtc->primary->fb) { + rbo = gem_to_radeon_bo(fb->obj[0]); + 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 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; + u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; + u32 viewport_w, viewport_h; + int r; + bool bypass_lut = false; + + /* no fb bound */ + if (!atomic && !crtc->primary->fb) { + DRM_DEBUG_KMS("No FB bound\n"); + return 0; + } + + if (atomic) + target_fb = fb; + else + target_fb = crtc->primary->fb; + + obj = target_fb->obj[0]; + rbo = gem_to_radeon_bo(obj); + 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->format->format) { + case DRM_FORMAT_C8: + fb_format = + AVIVO_D1GRPH_CONTROL_DEPTH_8BPP | + AVIVO_D1GRPH_CONTROL_8BPP_INDEXED; + break; + case DRM_FORMAT_XRGB4444: + case DRM_FORMAT_ARGB4444: + fb_format = + AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | + AVIVO_D1GRPH_CONTROL_16BPP_ARGB4444; +#ifdef __BIG_ENDIAN + fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; +#endif + break; + case DRM_FORMAT_XRGB1555: + fb_format = + AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | + AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555; +#ifdef __BIG_ENDIAN + fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; +#endif + break; + case DRM_FORMAT_RGB565: + fb_format = + AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | + AVIVO_D1GRPH_CONTROL_16BPP_RGB565; +#ifdef __BIG_ENDIAN + fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; +#endif + break; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_ARGB8888: + fb_format = + AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | + AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; +#ifdef __BIG_ENDIAN + fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; +#endif + break; + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_ARGB2101010: + fb_format = + AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | + AVIVO_D1GRPH_CONTROL_32BPP_ARGB2101010; +#ifdef __BIG_ENDIAN + fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; +#endif + /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ + bypass_lut = true; + break; + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + fb_format = + AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | + AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; + if (rdev->family >= CHIP_R600) + fb_swap = + (R600_D1GRPH_RED_CROSSBAR(R600_D1GRPH_RED_SEL_B) | + R600_D1GRPH_BLUE_CROSSBAR(R600_D1GRPH_BLUE_SEL_R)); + else /* DCE1 (R5xx) */ + fb_format |= AVIVO_D1GRPH_SWAP_RB; +#ifdef __BIG_ENDIAN + fb_swap |= R600_D1GRPH_SWAP_ENDIAN_32BIT; +#endif + break; + default: + DRM_ERROR("Unsupported screen format %p4cc\n", + &target_fb->format->format); + 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); + + /* Make sure surface address is update at vertical blank rather than + * horizontal blank + */ + WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, 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); + if (rdev->family >= CHIP_R600) + WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); + + /* LUT only has 256 slots for 8 bpc fb. Bypass for > 8 bpc scanout for precision */ + WREG32_P(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, + (bypass_lut ? AVIVO_LUT_10BIT_BYPASS_EN : 0), ~AVIVO_LUT_10BIT_BYPASS_EN); + + if (bypass_lut) + DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); + + 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->pitches[0] / target_fb->format->cpp[0]; + 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, + target_fb->height); + x &= ~3; + y &= ~1; + WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, + (x << 16) | y); + viewport_w = crtc->mode.hdisplay; + viewport_h = (crtc->mode.vdisplay + 1) & ~1; + WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, + (viewport_w << 16) | viewport_h); + + /* set pageflip to happen only at start of vblank interval (front porch) */ + WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); + + if (!atomic && fb && fb != crtc->primary->fb) { + rbo = gem_to_radeon_bo(fb->obj[0]); + 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 dce4_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 dce4_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; + } +} + +/** + * radeon_get_pll_use_mask - look up a mask of which pplls are in use + * + * @crtc: drm crtc + * + * Returns the mask of which PPLLs (Pixel PLLs) are in use. + */ +static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_crtc *test_crtc; + struct radeon_crtc *test_radeon_crtc; + u32 pll_in_use = 0; + + list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { + if (crtc == test_crtc) + continue; + + test_radeon_crtc = to_radeon_crtc(test_crtc); + if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) + pll_in_use |= (1 << test_radeon_crtc->pll_id); + } + return pll_in_use; +} + +/** + * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP + * + * @crtc: drm crtc + * + * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is + * also in DP mode. For DP, a single PPLL can be used for all DP + * crtcs/encoders. + */ +static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + struct drm_crtc *test_crtc; + struct radeon_crtc *test_radeon_crtc; + + list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { + if (crtc == test_crtc) + continue; + test_radeon_crtc = to_radeon_crtc(test_crtc); + if (test_radeon_crtc->encoder && + ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { + /* PPLL2 is exclusive to UNIPHYA on DCE61 */ + if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && + test_radeon_crtc->pll_id == ATOM_PPLL2) + continue; + /* for DP use the same PLL for all */ + if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) + return test_radeon_crtc->pll_id; + } + } + return ATOM_PPLL_INVALID; +} + +/** + * radeon_get_shared_nondp_ppll - return the PPLL used by another non-DP crtc + * + * @crtc: drm crtc + * + * Returns the PPLL (Pixel PLL) used by another non-DP crtc/encoder which can + * be shared (i.e., same clock). + */ +static int radeon_get_shared_nondp_ppll(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_crtc *test_crtc; + struct radeon_crtc *test_radeon_crtc; + u32 adjusted_clock, test_adjusted_clock; + + adjusted_clock = radeon_crtc->adjusted_clock; + + if (adjusted_clock == 0) + return ATOM_PPLL_INVALID; + + list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { + if (crtc == test_crtc) + continue; + test_radeon_crtc = to_radeon_crtc(test_crtc); + if (test_radeon_crtc->encoder && + !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { + /* PPLL2 is exclusive to UNIPHYA on DCE61 */ + if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && + test_radeon_crtc->pll_id == ATOM_PPLL2) + continue; + /* check if we are already driving this connector with another crtc */ + if (test_radeon_crtc->connector == radeon_crtc->connector) { + /* if we are, return that pll */ + if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) + return test_radeon_crtc->pll_id; + } + /* for non-DP check the clock */ + test_adjusted_clock = test_radeon_crtc->adjusted_clock; + if ((crtc->mode.clock == test_crtc->mode.clock) && + (adjusted_clock == test_adjusted_clock) && + (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) && + (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)) + return test_radeon_crtc->pll_id; + } + } + return ATOM_PPLL_INVALID; +} + +/** + * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc. + * + * @crtc: drm crtc + * + * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors + * a single PPLL can be used for all DP crtcs/encoders. For non-DP + * monitors a dedicated PPLL must be used. If a particular board has + * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming + * as there is no need to program the PLL itself. If we are not able to + * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to + * avoid messing up an existing monitor. + * + * Asic specific PLL information + * + * DCE 8.x + * KB/KV + * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) + * CI + * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC + * + * DCE 6.1 + * - PPLL2 is only available to UNIPHYA (both DP and non-DP) + * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP) + * + * DCE 6.0 + * - PPLL0 is available to all UNIPHY (DP only) + * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC + * + * DCE 5.0 + * - DCPLL is available to all UNIPHY (DP only) + * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC + * + * DCE 3.0/4.0/4.1 + * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC + * + */ +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 radeon_encoder *radeon_encoder = + to_radeon_encoder(radeon_crtc->encoder); + u32 pll_in_use; + int pll; + + if (ASIC_IS_DCE8(rdev)) { + if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { + if (rdev->clock.dp_extclk) + /* skip PPLL programming if using ext clock */ + return ATOM_PPLL_INVALID; + else { + /* use the same PPLL for all DP monitors */ + pll = radeon_get_shared_dp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } + } else { + /* use the same PPLL for all monitors with the same clock */ + pll = radeon_get_shared_nondp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } + /* otherwise, pick one of the plls */ + if ((rdev->family == CHIP_KABINI) || + (rdev->family == CHIP_MULLINS)) { + /* KB/ML has PPLL1 and PPLL2 */ + pll_in_use = radeon_get_pll_use_mask(crtc); + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; + } else { + /* CI/KV has PPLL0, PPLL1, and PPLL2 */ + pll_in_use = radeon_get_pll_use_mask(crtc); + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; + if (!(pll_in_use & (1 << ATOM_PPLL0))) + return ATOM_PPLL0; + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; + } + } else if (ASIC_IS_DCE61(rdev)) { + struct radeon_encoder_atom_dig *dig = + radeon_encoder->enc_priv; + + if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY) && + (dig->linkb == false)) + /* UNIPHY A uses PPLL2 */ + return ATOM_PPLL2; + else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { + /* UNIPHY B/C/D/E/F */ + if (rdev->clock.dp_extclk) + /* skip PPLL programming if using ext clock */ + return ATOM_PPLL_INVALID; + else { + /* use the same PPLL for all DP monitors */ + pll = radeon_get_shared_dp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } + } else { + /* use the same PPLL for all monitors with the same clock */ + pll = radeon_get_shared_nondp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } + /* UNIPHY B/C/D/E/F */ + pll_in_use = radeon_get_pll_use_mask(crtc); + if (!(pll_in_use & (1 << ATOM_PPLL0))) + return ATOM_PPLL0; + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; + } else if (ASIC_IS_DCE41(rdev)) { + /* Don't share PLLs on DCE4.1 chips */ + if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { + if (rdev->clock.dp_extclk) + /* skip PPLL programming if using ext clock */ + return ATOM_PPLL_INVALID; + } + pll_in_use = radeon_get_pll_use_mask(crtc); + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; + } else if (ASIC_IS_DCE4(rdev)) { + /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock, + * depending on the asic: + * DCE4: PPLL or ext clock + * DCE5: PPLL, DCPLL, or ext clock + * DCE6: PPLL, PPLL0, or ext clock + * + * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip + * PPLL/DCPLL programming and only program the DP DTO for the + * crtc virtual pixel clock. + */ + if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { + if (rdev->clock.dp_extclk) + /* skip PPLL programming if using ext clock */ + return ATOM_PPLL_INVALID; + else if (ASIC_IS_DCE6(rdev)) + /* use PPLL0 for all DP */ + return ATOM_PPLL0; + else if (ASIC_IS_DCE5(rdev)) + /* use DCPLL for all DP */ + return ATOM_DCPLL; + else { + /* use the same PPLL for all DP monitors */ + pll = radeon_get_shared_dp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } + } else { + /* use the same PPLL for all monitors with the same clock */ + pll = radeon_get_shared_nondp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } + /* all other cases */ + pll_in_use = radeon_get_pll_use_mask(crtc); + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; + } else { + /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ + /* some atombios (observed in some DCE2/DCE3) code have a bug, + * the matching btw pll and crtc is done through + * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the + * pll (1 or 2) to select which register to write. ie if using + * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2 + * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to + * choose which value to write. Which is reverse order from + * register logic. So only case that works is when pllid is + * same as crtcid or when both pll and crtc are enabled and + * both use same clock. + * + * So just return crtc id as if crtc and pll were hard linked + * together even if they aren't + */ + return radeon_crtc->crtc_id; + } +} + +void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev) +{ + /* always set DCPLL */ + if (ASIC_IS_DCE6(rdev)) + atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); + else 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(rdev, ATOM_DISABLE, ATOM_DCPLL, -1, &ss); + /* XXX: DCE5, make sure voltage, dispclk is high enough */ + atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); + if (ss_enabled) + atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, -1, &ss); + } + +} + +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 radeon_encoder *radeon_encoder = + to_radeon_encoder(radeon_crtc->encoder); + bool is_tvcv = false; + + if (radeon_encoder->active_device & + (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) + is_tvcv = true; + + if (!radeon_crtc->adjusted_clock) + return -EINVAL; + + 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); + radeon_cursor_reset(crtc); + /* update the hw version fpr dpm */ + radeon_crtc->hw_mode = *adjusted_mode; + + return 0; +} + +static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct drm_encoder *encoder; + + /* assign the encoder to the radeon crtc to avoid repeated lookups later */ + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (encoder->crtc == crtc) { + radeon_crtc->encoder = encoder; + radeon_crtc->connector = radeon_get_connector_for_encoder(encoder); + break; + } + } + if ((radeon_crtc->encoder == NULL) || (radeon_crtc->connector == NULL)) { + radeon_crtc->encoder = NULL; + radeon_crtc->connector = NULL; + return false; + } + if (radeon_crtc->encoder) { + struct radeon_encoder *radeon_encoder = + to_radeon_encoder(radeon_crtc->encoder); + + radeon_crtc->output_csc = radeon_encoder->output_csc; + } + if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) + return false; + if (!atombios_crtc_prepare_pll(crtc, adjusted_mode)) + return false; + /* pick pll */ + radeon_crtc->pll_id = radeon_atom_pick_pll(crtc); + /* if we can't get a PPLL for a non-DP encoder, fail */ + if ((radeon_crtc->pll_id == ATOM_PPLL_INVALID) && + !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) + return false; + + return true; +} + +static void atombios_crtc_prepare(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + + /* disable crtc pair power gating before programming */ + if (ASIC_IS_DCE6(rdev)) + atombios_powergate_crtc(crtc, ATOM_DISABLE); + + 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); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_atom_ss ss; + int i; + + atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc->primary->fb) { + int r; + struct radeon_bo *rbo; + + rbo = gem_to_radeon_bo(crtc->primary->fb->obj[0]); + r = radeon_bo_reserve(rbo, false); + if (unlikely(r)) + DRM_ERROR("failed to reserve rbo before unpin\n"); + else { + radeon_bo_unpin(rbo); + radeon_bo_unreserve(rbo); + } + } + /* disable the GRPH */ + if (ASIC_IS_DCE4(rdev)) + WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 0); + else if (ASIC_IS_AVIVO(rdev)) + WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 0); + + if (ASIC_IS_DCE6(rdev)) + atombios_powergate_crtc(crtc, ATOM_ENABLE); + + for (i = 0; i < rdev->num_crtc; i++) { + if (rdev->mode_info.crtcs[i] && + rdev->mode_info.crtcs[i]->enabled && + i != radeon_crtc->crtc_id && + radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) { + /* one other crtc is using this pll don't turn + * off the pll + */ + goto done; + } + } + + 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, 0, false, &ss); + break; + case ATOM_PPLL0: + /* disable the ppll */ + if ((rdev->family == CHIP_ARUBA) || + (rdev->family == CHIP_KAVERI) || + (rdev->family == CHIP_BONAIRE) || + (rdev->family == CHIP_HAWAII)) + atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, + 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); + break; + default: + break; + } +done: + radeon_crtc->pll_id = ATOM_PPLL_INVALID; + radeon_crtc->adjusted_clock = 0; + radeon_crtc->encoder = NULL; + radeon_crtc->connector = NULL; +} + +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, + .disable = atombios_crtc_disable, + .get_scanout_position = radeon_get_crtc_scanout_position, +}; + +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 = ATOM_PPLL_INVALID; + radeon_crtc->adjusted_clock = 0; + radeon_crtc->encoder = NULL; + radeon_crtc->connector = NULL; + drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs); +} |