/* * Copyright © 2007 Red Hat, Inc. * Copyright 2007 Advanced Micro Devices, 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 (including the next * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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 * */ /* * avivo crtc handling functions. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif /* DPMS */ #ifdef HAVE_XEXTPROTO_71 #include #else #define DPMS_SERVER #include #endif #include "radeon.h" #include "radeon_reg.h" #include "radeon_macros.h" #include "radeon_atombios.h" #ifdef XF86DRI #define _XF86DRI_SERVER_ #include "radeon_drm.h" #include "sarea.h" #endif extern int atombios_get_encoder_mode(xf86OutputPtr output); extern void RADEONInitCrtcBase(xf86CrtcPtr crtc, RADEONSavePtr save, int x, int y); extern void RADEONInitCrtc2Base(xf86CrtcPtr crtc, RADEONSavePtr save, int x, int y); extern void RADEONRestoreCrtcBase(ScrnInfoPtr pScrn, RADEONSavePtr restore); extern void RADEONRestoreCrtc2Base(ScrnInfoPtr pScrn, RADEONSavePtr restore); extern void RADEONInitCommonRegisters(RADEONSavePtr save, RADEONInfoPtr info); extern void RADEONInitSurfaceCntl(xf86CrtcPtr crtc, RADEONSavePtr save); AtomBiosResult atombios_lock_crtc(atomBiosHandlePtr atomBIOS, int crtc, int lock) { ENABLE_CRTC_PS_ALLOCATION crtc_data; AtomBiosArgRec data; unsigned char *space; crtc_data.ucCRTC = crtc; crtc_data.ucEnable = lock; data.exec.index = GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters); data.exec.dataSpace = (void *)&space; data.exec.pspace = &crtc_data; if (RHDAtomBiosFunc(atomBIOS->scrnIndex, atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) { ErrorF("%s CRTC %d success\n", lock? "Lock":"Unlock", crtc); return ATOM_SUCCESS ; } ErrorF("Lock CRTC failed\n"); return ATOM_NOT_IMPLEMENTED; } static AtomBiosResult atombios_enable_crtc(atomBiosHandlePtr atomBIOS, int crtc, int state) { ENABLE_CRTC_PS_ALLOCATION crtc_data; AtomBiosArgRec data; unsigned char *space; crtc_data.ucCRTC = crtc; crtc_data.ucEnable = state; data.exec.index = GetIndexIntoMasterTable(COMMAND, EnableCRTC); data.exec.dataSpace = (void *)&space; data.exec.pspace = &crtc_data; if (RHDAtomBiosFunc(atomBIOS->scrnIndex, atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) { ErrorF("%s CRTC %d success\n", state? "Enable":"Disable", crtc); return ATOM_SUCCESS ; } ErrorF("Enable CRTC failed\n"); return ATOM_NOT_IMPLEMENTED; } static AtomBiosResult atombios_enable_crtc_memreq(atomBiosHandlePtr atomBIOS, int crtc, int state) { ENABLE_CRTC_PS_ALLOCATION crtc_data; AtomBiosArgRec data; unsigned char *space; crtc_data.ucCRTC = crtc; crtc_data.ucEnable = state; data.exec.index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq); data.exec.dataSpace = (void *)&space; data.exec.pspace = &crtc_data; if (RHDAtomBiosFunc(atomBIOS->scrnIndex, atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) { ErrorF("%s CRTC memreq %d success\n", state? "Enable":"Disable", crtc); return ATOM_SUCCESS ; } ErrorF("Enable CRTC memreq failed\n"); return ATOM_NOT_IMPLEMENTED; } static AtomBiosResult atombios_blank_crtc(atomBiosHandlePtr atomBIOS, int crtc, int state) { BLANK_CRTC_PS_ALLOCATION crtc_data; unsigned char *space; AtomBiosArgRec data; memset(&crtc_data, 0, sizeof(crtc_data)); crtc_data.ucCRTC = crtc; crtc_data.ucBlanking = state; data.exec.index = GetIndexIntoMasterTable(COMMAND, BlankCRTC); data.exec.dataSpace = (void *)&space; data.exec.pspace = &crtc_data; if (RHDAtomBiosFunc(atomBIOS->scrnIndex, atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) { ErrorF("%s CRTC %d success\n", state? "Blank":"Unblank", crtc); return ATOM_SUCCESS ; } ErrorF("Blank CRTC failed\n"); return ATOM_NOT_IMPLEMENTED; } void atombios_crtc_dpms(xf86CrtcPtr crtc, int mode) { RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; RADEONInfoPtr info = RADEONPTR(crtc->scrn); switch (mode) { case DPMSModeOn: if (IS_DCE3_VARIANT) atombios_enable_crtc_memreq(info->atomBIOS, radeon_crtc->crtc_id, 1); atombios_enable_crtc(info->atomBIOS, radeon_crtc->crtc_id, 1); atombios_blank_crtc(info->atomBIOS, radeon_crtc->crtc_id, 0); break; case DPMSModeStandby: case DPMSModeSuspend: case DPMSModeOff: atombios_blank_crtc(info->atomBIOS, radeon_crtc->crtc_id, 1); atombios_enable_crtc(info->atomBIOS, radeon_crtc->crtc_id, 0); if (IS_DCE3_VARIANT) atombios_enable_crtc_memreq(info->atomBIOS, radeon_crtc->crtc_id, 0); break; } } static AtomBiosResult atombios_set_crtc_timing(atomBiosHandlePtr atomBIOS, SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION *crtc_param) { AtomBiosArgRec data; unsigned char *space; SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION conv_param; conv_param.usH_Total = cpu_to_le16(crtc_param->usH_Total); conv_param.usH_Disp = cpu_to_le16(crtc_param->usH_Disp); conv_param.usH_SyncStart = cpu_to_le16(crtc_param->usH_SyncStart); conv_param.usH_SyncWidth = cpu_to_le16(crtc_param->usH_SyncWidth); conv_param.usV_Total = cpu_to_le16(crtc_param->usV_Total); conv_param.usV_Disp = cpu_to_le16(crtc_param->usV_Disp); conv_param.usV_SyncStart = cpu_to_le16(crtc_param->usV_SyncStart); conv_param.usV_SyncWidth = cpu_to_le16(crtc_param->usV_SyncWidth); conv_param.susModeMiscInfo.usAccess = cpu_to_le16(crtc_param->susModeMiscInfo.usAccess); conv_param.ucCRTC = crtc_param->ucCRTC; conv_param.ucOverscanRight = crtc_param->ucOverscanRight; conv_param.ucOverscanLeft = crtc_param->ucOverscanLeft; conv_param.ucOverscanBottom = crtc_param->ucOverscanBottom; conv_param.ucOverscanTop = crtc_param->ucOverscanTop; conv_param.ucReserved = crtc_param->ucReserved; data.exec.index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing); data.exec.dataSpace = (void *)&space; data.exec.pspace = &conv_param; if (RHDAtomBiosFunc(atomBIOS->scrnIndex, atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) { ErrorF("Set CRTC Timing success\n"); return ATOM_SUCCESS ; } ErrorF("Set CRTC Timing failed\n"); return ATOM_NOT_IMPLEMENTED; } static AtomBiosResult atombios_set_crtc_dtd_timing(atomBiosHandlePtr atomBIOS, SET_CRTC_USING_DTD_TIMING_PARAMETERS *crtc_param) { AtomBiosArgRec data; unsigned char *space; SET_CRTC_USING_DTD_TIMING_PARAMETERS conv_param; conv_param.usH_Size = cpu_to_le16(crtc_param->usH_Size); conv_param.usH_Blanking_Time= cpu_to_le16(crtc_param->usH_Blanking_Time); conv_param.usV_Size = cpu_to_le16(crtc_param->usV_Size); conv_param.usV_Blanking_Time= cpu_to_le16(crtc_param->usV_Blanking_Time); conv_param.usH_SyncOffset= cpu_to_le16(crtc_param->usH_SyncOffset); conv_param.usH_SyncWidth= cpu_to_le16(crtc_param->usH_SyncWidth); conv_param.usV_SyncOffset= cpu_to_le16(crtc_param->usV_SyncOffset); conv_param.usV_SyncWidth= cpu_to_le16(crtc_param->usV_SyncWidth); conv_param.susModeMiscInfo.usAccess = cpu_to_le16(crtc_param->susModeMiscInfo.usAccess); conv_param.ucCRTC= crtc_param->ucCRTC; data.exec.index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming); data.exec.dataSpace = (void *)&space; data.exec.pspace = &conv_param; if (RHDAtomBiosFunc(atomBIOS->scrnIndex, atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) { ErrorF("Set DTD CRTC Timing success\n"); return ATOM_SUCCESS ; } ErrorF("Set DTD CRTC Timing failed\n"); return ATOM_NOT_IMPLEMENTED; } void atombios_crtc_set_pll(xf86CrtcPtr crtc, DisplayModePtr mode) { RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; RADEONInfoPtr info = RADEONPTR(crtc->scrn); xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(crtc->scrn); unsigned char *RADEONMMIO = info->MMIO; int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); uint32_t sclock = mode->Clock; uint32_t ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0; int major, minor, i; SET_PIXEL_CLOCK_PS_ALLOCATION spc_param; PIXEL_CLOCK_PARAMETERS_V2 *spc2_ptr; PIXEL_CLOCK_PARAMETERS_V3 *spc3_ptr; xf86OutputPtr output; RADEONOutputPrivatePtr radeon_output = NULL; radeon_encoder_ptr radeon_encoder = NULL; int pll_flags = 0; uint32_t temp; void *ptr; AtomBiosArgRec data; unsigned char *space; memset(&spc_param, 0, sizeof(spc_param)); if (IS_AVIVO_VARIANT) { if ((info->ChipFamily == CHIP_FAMILY_RS600) || (info->ChipFamily == CHIP_FAMILY_RS690) || (info->ChipFamily == CHIP_FAMILY_RS740)) pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV | RADEON_PLL_PREFER_CLOSEST_LOWER; if (IS_DCE3_VARIANT && mode->Clock > 200000) /* range limits??? */ pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; else pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; /* disable spread spectrum clocking for now -- thanks Hedy Lamarr */ if (radeon_crtc->crtc_id == 0) { temp = INREG(AVIVO_P1PLL_INT_SS_CNTL); OUTREG(AVIVO_P1PLL_INT_SS_CNTL, temp & ~1); } else { temp = INREG(AVIVO_P2PLL_INT_SS_CNTL); OUTREG(AVIVO_P2PLL_INT_SS_CNTL, temp & ~1); } } else { pll_flags |= RADEON_PLL_LEGACY; for (i = 0; i < xf86_config->num_output; i++) { xf86OutputPtr output = xf86_config->output[i]; RADEONOutputPrivatePtr radeon_output = output->driver_private; if (output->crtc == crtc) { if (radeon_output->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) pll_flags |= RADEON_PLL_NO_ODD_POST_DIV; if (radeon_output->active_device & (ATOM_DEVICE_LCD_SUPPORT)) pll_flags |= (RADEON_PLL_USE_BIOS_DIVS | RADEON_PLL_USE_REF_DIV); } } if (mode->Clock > 200000) /* range limits??? */ pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; else pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; } RADEONComputePLL(&info->pll, mode->Clock, &temp, &fb_div, &frac_fb_div, &ref_div, &post_div, pll_flags); sclock = temp; xf86DrvMsg(crtc->scrn->scrnIndex, X_INFO, "crtc(%d) Clock: mode %d, PLL %lu\n", radeon_crtc->crtc_id, mode->Clock, (long unsigned int)sclock * 10); xf86DrvMsg(crtc->scrn->scrnIndex, X_INFO, "crtc(%d) PLL : refdiv %u, fbdiv 0x%X(%u), fracfbdiv %u, pdiv %u\n", radeon_crtc->crtc_id, (unsigned int)ref_div, (unsigned int)fb_div, (unsigned int)fb_div, (unsigned int)frac_fb_div, (unsigned int)post_div); /* Can't really do cloning easily on DCE3 cards */ for (i = 0; i < xf86_config->num_output; i++) { output = xf86_config->output[i]; if (output->crtc == crtc) { radeon_output = output->driver_private; radeon_encoder = radeon_get_encoder(output); break; } } if (radeon_output == NULL) { xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR, "No output assigned to crtc!\n"); return; } if (radeon_encoder == NULL) { xf86DrvMsg(crtc->scrn->scrnIndex, X_ERROR, "No encoder assigned to output!\n"); return; } atombios_get_command_table_version(info->atomBIOS, index, &major, &minor); /*ErrorF("table is %d %d\n", major, minor);*/ switch(major) { case 1: switch(minor) { case 1: case 2: spc2_ptr = (PIXEL_CLOCK_PARAMETERS_V2*)&spc_param.sPCLKInput; spc2_ptr->usPixelClock = cpu_to_le16(sclock); spc2_ptr->usRefDiv = cpu_to_le16(ref_div); spc2_ptr->usFbDiv = cpu_to_le16(fb_div); spc2_ptr->ucFracFbDiv = frac_fb_div; spc2_ptr->ucPostDiv = post_div; spc2_ptr->ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1; spc2_ptr->ucCRTC = radeon_crtc->crtc_id; spc2_ptr->ucRefDivSrc = 1; ptr = &spc_param; break; case 3: spc3_ptr = (PIXEL_CLOCK_PARAMETERS_V3*)&spc_param.sPCLKInput; spc3_ptr->usPixelClock = cpu_to_le16(sclock); spc3_ptr->usRefDiv = cpu_to_le16(ref_div); spc3_ptr->usFbDiv = cpu_to_le16(fb_div); spc3_ptr->ucFracFbDiv = frac_fb_div; spc3_ptr->ucPostDiv = post_div; spc3_ptr->ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1; spc3_ptr->ucMiscInfo = (radeon_crtc->crtc_id << 2); spc3_ptr->ucTransmitterId = radeon_encoder->encoder_id; spc3_ptr->ucEncoderMode = atombios_get_encoder_mode(output); ptr = &spc_param; break; default: ErrorF("Unknown table version\n"); exit(-1); } break; default: ErrorF("Unknown table version\n"); exit(-1); } data.exec.index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); data.exec.dataSpace = (void *)&space; data.exec.pspace = ptr; if (RHDAtomBiosFunc(info->atomBIOS->scrnIndex, info->atomBIOS, ATOMBIOS_EXEC, &data) == ATOM_SUCCESS) { ErrorF("Set CRTC %d PLL success\n", radeon_crtc->crtc_id); return; } ErrorF("Set CRTC %d PLL failed\n", radeon_crtc->crtc_id); return; } void atombios_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode, DisplayModePtr adjusted_mode, int x, int y) { ScrnInfoPtr pScrn = crtc->scrn; RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private; RADEONInfoPtr info = RADEONPTR(pScrn); xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); unsigned char *RADEONMMIO = info->MMIO; unsigned long fb_location = crtc->scrn->fbOffset + info->fbLocation; int need_tv_timings = 0; int i, ret; SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION crtc_timing; SET_CRTC_USING_DTD_TIMING_PARAMETERS crtc_dtd_timing; Bool tilingChanged = FALSE; memset(&crtc_timing, 0, sizeof(crtc_timing)); memset(&crtc_dtd_timing, 0, sizeof(crtc_dtd_timing)); if (info->allowColorTiling) { radeon_crtc->can_tile = (adjusted_mode->Flags & (V_DBLSCAN | V_INTERLACE)) ? FALSE : TRUE; tilingChanged = RADEONSetTiling(pScrn); } for (i = 0; i < xf86_config->num_output; i++) { xf86OutputPtr output = xf86_config->output[i]; RADEONOutputPrivatePtr radeon_output = output->driver_private; radeon_tvout_ptr tvout = &radeon_output->tvout; if (output->crtc == crtc) { if (radeon_output->MonType == MT_STV || radeon_output->MonType == MT_CTV) { if (tvout->tvStd == TV_STD_NTSC || tvout->tvStd == TV_STD_NTSC_J || tvout->tvStd == TV_STD_PAL_M) need_tv_timings = 1; else need_tv_timings = 2; } } } crtc_timing.ucCRTC = radeon_crtc->crtc_id; if (need_tv_timings) { ret = RADEONATOMGetTVTimings(pScrn, need_tv_timings - 1, &crtc_timing, &adjusted_mode->Clock); if (ret == FALSE) { need_tv_timings = 0; } } if (!need_tv_timings) { crtc_timing.usH_Total = adjusted_mode->CrtcHTotal; crtc_timing.usH_Disp = adjusted_mode->CrtcHDisplay; crtc_timing.usH_SyncStart = adjusted_mode->CrtcHSyncStart; crtc_timing.usH_SyncWidth = adjusted_mode->CrtcHSyncEnd - adjusted_mode->CrtcHSyncStart; crtc_timing.usV_Total = adjusted_mode->CrtcVTotal; crtc_timing.usV_Disp = adjusted_mode->CrtcVDisplay; crtc_timing.usV_SyncStart = adjusted_mode->CrtcVSyncStart; crtc_timing.usV_SyncWidth = adjusted_mode->CrtcVSyncEnd - adjusted_mode->CrtcVSyncStart; if (adjusted_mode->Flags & V_NVSYNC) crtc_timing.susModeMiscInfo.usAccess |= ATOM_VSYNC_POLARITY; if (adjusted_mode->Flags & V_NHSYNC) crtc_timing.susModeMiscInfo.usAccess |= ATOM_HSYNC_POLARITY; if (adjusted_mode->Flags & V_CSYNC) crtc_timing.susModeMiscInfo.usAccess |= ATOM_COMPOSITESYNC; if (adjusted_mode->Flags & V_INTERLACE) crtc_timing.susModeMiscInfo.usAccess |= ATOM_INTERLACE; if (adjusted_mode->Flags & V_DBLSCAN) crtc_timing.susModeMiscInfo.usAccess |= ATOM_DOUBLE_CLOCK_MODE; if (!IS_AVIVO_VARIANT && (radeon_crtc->crtc_id == 0)) { crtc_dtd_timing.ucCRTC = radeon_crtc->crtc_id; crtc_dtd_timing.usH_Size = adjusted_mode->CrtcHDisplay; crtc_dtd_timing.usV_Size = adjusted_mode->CrtcVDisplay; crtc_dtd_timing.usH_Blanking_Time = adjusted_mode->CrtcHBlankEnd - adjusted_mode->CrtcHDisplay; crtc_dtd_timing.usV_Blanking_Time = adjusted_mode->CrtcVBlankEnd - adjusted_mode->CrtcVDisplay; crtc_dtd_timing.usH_SyncOffset = adjusted_mode->CrtcHSyncStart - adjusted_mode->CrtcHDisplay; crtc_dtd_timing.usV_SyncOffset = adjusted_mode->CrtcVSyncStart - adjusted_mode->CrtcVDisplay; crtc_dtd_timing.usH_SyncWidth = adjusted_mode->CrtcHSyncEnd - adjusted_mode->CrtcHSyncStart; crtc_dtd_timing.usV_SyncWidth = adjusted_mode->CrtcVSyncEnd - adjusted_mode->CrtcVSyncStart; ErrorF("%d %d %d %d %d %d %d %d\n", crtc_dtd_timing.usH_Size, crtc_dtd_timing.usH_SyncOffset, crtc_dtd_timing.usH_SyncWidth, crtc_dtd_timing.usH_Blanking_Time, crtc_dtd_timing.usV_Size, crtc_dtd_timing.usV_SyncOffset, crtc_dtd_timing.usV_SyncWidth, crtc_dtd_timing.usV_Blanking_Time); if (adjusted_mode->Flags & V_NVSYNC) crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_VSYNC_POLARITY; if (adjusted_mode->Flags & V_NHSYNC) crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_HSYNC_POLARITY; if (adjusted_mode->Flags & V_CSYNC) crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_COMPOSITESYNC; if (adjusted_mode->Flags & V_INTERLACE) crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_INTERLACE; if (adjusted_mode->Flags & V_DBLSCAN) crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_DOUBLE_CLOCK_MODE; } } ErrorF("Mode %dx%d - %d %d %d\n", adjusted_mode->CrtcHDisplay, adjusted_mode->CrtcVDisplay, adjusted_mode->CrtcHTotal, adjusted_mode->CrtcVTotal, adjusted_mode->Flags); RADEONInitMemMapRegisters(pScrn, info->ModeReg, info); RADEONRestoreMemMapRegisters(pScrn, info->ModeReg); atombios_crtc_set_pll(crtc, adjusted_mode); atombios_set_crtc_timing(info->atomBIOS, &crtc_timing); if (!IS_AVIVO_VARIANT && (radeon_crtc->crtc_id == 0)) atombios_set_crtc_dtd_timing(info->atomBIOS, &crtc_dtd_timing); if (IS_AVIVO_VARIANT) { uint32_t fb_format; #if X_BYTE_ORDER == X_BIG_ENDIAN uint32_t fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; #endif switch (crtc->scrn->bitsPerPixel) { 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; #if X_BYTE_ORDER == X_BIG_ENDIAN fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; #endif break; case 24: case 32: fb_format = AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; #if X_BYTE_ORDER == X_BIG_ENDIAN fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; #endif break; default: FatalError("Unsupported screen depth: %d\n", xf86GetDepth()); } if (info->tilingEnabled && (crtc->rotatedData == NULL)) { fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE; } if (radeon_crtc->crtc_id == 0) OUTREG(AVIVO_D1VGA_CONTROL, 0); else OUTREG(AVIVO_D2VGA_CONTROL, 0); /* setup fb format and location */ if (crtc->rotatedData != NULL) { /* x/y offset is already included */ x = 0; y = 0; fb_location = fb_location + (char *)crtc->rotatedData - (char *)info->FB; } OUTREG(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, fb_location); OUTREG(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, fb_location); OUTREG(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); #if X_BYTE_ORDER == X_BIG_ENDIAN if (info->ChipFamily >= CHIP_FAMILY_R600) OUTREG(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); #endif OUTREG(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); OUTREG(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); OUTREG(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0); OUTREG(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0); OUTREG(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, info->virtualX); OUTREG(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, info->virtualY); OUTREG(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, crtc->scrn->displayWidth); OUTREG(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); OUTREG(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, mode->VDisplay); x &= ~3; y &= ~1; OUTREG(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, (x << 16) | y); OUTREG(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, (mode->HDisplay << 16) | mode->VDisplay); if (adjusted_mode->Flags & V_INTERLACE) OUTREG(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, AVIVO_D1MODE_INTERLEAVE_EN); else OUTREG(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0); } else { int format = 0; uint32_t crtc_gen_cntl, crtc2_gen_cntl, crtc_pitch; RADEONInitCommonRegisters(info->ModeReg, info); RADEONInitSurfaceCntl(crtc, info->ModeReg); ErrorF("restore common\n"); RADEONRestoreCommonRegisters(pScrn, info->ModeReg); switch (info->CurrentLayout.pixel_code) { case 4: format = 1; break; case 8: format = 2; break; case 15: format = 3; break; /* 555 */ case 16: format = 4; break; /* 565 */ case 24: format = 5; break; /* RGB */ case 32: format = 6; break; /* xRGB */ default: xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Unsupported pixel depth (%d)\n", info->CurrentLayout.bitsPerPixel); } crtc_pitch = (((pScrn->displayWidth * pScrn->bitsPerPixel) + ((pScrn->bitsPerPixel * 8) -1)) / (pScrn->bitsPerPixel * 8)); crtc_pitch |= crtc_pitch << 16; switch (radeon_crtc->crtc_id) { case 0: ErrorF("init crtc1\n"); crtc_gen_cntl = INREG(RADEON_CRTC_GEN_CNTL) & 0xfffff0ff; crtc_gen_cntl |= (format << 8); OUTREG(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl); OUTREG(RADEON_CRTC_PITCH, crtc_pitch); RADEONInitCrtcBase(crtc, info->ModeReg, x, y); RADEONRestoreCrtcBase(pScrn, info->ModeReg); break; case 1: crtc2_gen_cntl = INREG(RADEON_CRTC2_GEN_CNTL) & 0xfffff0ff; crtc2_gen_cntl |= (format << 8); OUTREG(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); OUTREG(RADEON_CRTC2_PITCH, crtc_pitch); RADEONInitCrtc2Base(crtc, info->ModeReg, x, y); RADEONRestoreCrtc2Base(pScrn, info->ModeReg); OUTREG(RADEON_FP_H2_SYNC_STRT_WID, INREG(RADEON_CRTC2_H_SYNC_STRT_WID)); OUTREG(RADEON_FP_V2_SYNC_STRT_WID, INREG(RADEON_CRTC2_V_SYNC_STRT_WID)); break; } } if (info->DispPriority) RADEONInitDispBandwidth(pScrn); radeon_crtc->initialized = TRUE; if (tilingChanged) { /* need to redraw front buffer, I guess this can be considered a hack ? */ /* if this is called during ScreenInit() we don't have pScrn->pScreen yet */ if (pScrn->pScreen) xf86EnableDisableFBAccess(pScrn->scrnIndex, FALSE); RADEONChangeSurfaces(pScrn); if (pScrn->pScreen) xf86EnableDisableFBAccess(pScrn->scrnIndex, TRUE); /* xf86SetRootClip would do, but can't access that here */ } } /* Calculate display buffer watermark to prevent buffer underflow */ void RADEONInitDispBandwidthAVIVO(ScrnInfoPtr pScrn, DisplayModePtr mode1, int pixel_bytes1, DisplayModePtr mode2, int pixel_bytes2) { RADEONInfoPtr info = RADEONPTR(pScrn); RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn); unsigned char *RADEONMMIO = info->MMIO; uint32_t dc_lb_memory_split; float available_bandwidth = 0; float read_delay_latency = 1000; int i; Bool sideport = FALSE; /* * Set display0/1 priority up in the memory controller for * modes if the user specifies HIGH for displaypriority * option. */ if (info->DispPriority == 2) { uint32_t mc_init_misc_lat_timer = 0; if (info->ChipFamily == CHIP_FAMILY_RV515) mc_init_misc_lat_timer = INMC(pScrn, RV515_MC_INIT_MISC_LAT_TIMER); else if ((info->ChipFamily == CHIP_FAMILY_RS690) || (info->ChipFamily == CHIP_FAMILY_RS740)) mc_init_misc_lat_timer = INMC(pScrn, RS690_MC_INIT_MISC_LAT_TIMER); mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT); mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT); if (pRADEONEnt->pCrtc[1]->enabled) mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT); /* display 1 */ if (pRADEONEnt->pCrtc[0]->enabled) mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT); /* display 0 */ if (info->ChipFamily == CHIP_FAMILY_RV515) OUTMC(pScrn, RV515_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer); else if ((info->ChipFamily == CHIP_FAMILY_RS690) || (info->ChipFamily == CHIP_FAMILY_RS740)) OUTMC(pScrn, RS690_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer); } /* * Line Buffer Setup * There is a single line buffer shared by both display controllers. * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between the display * controllers. The paritioning can either be done manually or via one of four * preset allocations specified in bits 1:0: * 0 - line buffer is divided in half and shared between each display controller * 1 - D1 gets 3/4 of the line buffer, D2 gets 1/4 * 2 - D1 gets the whole buffer * 3 - D1 gets 1/4 of the line buffer, D2 gets 3/4 * Setting bit 2 of DC_LB_MEMORY_SPLIT controls switches to manual allocation mode. * In manual allocation mode, D1 always starts at 0, D1 end/2 is specified in bits * 14:4; D2 allocation follows D1. */ dc_lb_memory_split = INREG(AVIVO_DC_LB_MEMORY_SPLIT) & ~AVIVO_DC_LB_MEMORY_SPLIT_MASK; dc_lb_memory_split &= ~AVIVO_DC_LB_MEMORY_SPLIT_SHIFT_MODE; /* auto */ if (mode1 && mode2) { if (mode1->HDisplay > mode2->HDisplay) { if (mode1->HDisplay > 2560) dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1_3Q_D2_1Q; else dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; } else if (mode2->HDisplay > mode1->HDisplay) { if (mode2->HDisplay > 2560) dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; else dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; } else dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; } else if (mode1) { dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1_ONLY; } else if (mode2) { dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; } OUTREG(AVIVO_DC_LB_MEMORY_SPLIT, dc_lb_memory_split); #if 0 /* manual */ dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_SHIFT_MODE; dc_lb_memory_split &= ~(AVIVO_DC_LB_DISP1_END_ADR_MASK << AVIVO_DC_LB_DISP1_END_ADR_SHIFT); if (mode1) { dc_lb_memory_split |= ((((mode1->HDisplay / 2) + 64 /*???*/) & AVIVO_DC_LB_DISP1_END_ADR_MASK) << AVIVO_DC_LB_DISP1_END_ADR_SHIFT); } else if (mode2) { dc_lb_memory_split |= (0 << AVIVO_DC_LB_DISP1_END_ADR_SHIFT); } OUTREG(AVIVO_DC_LB_MEMORY_SPLIT, dc_lb_memory_split); #endif /* fixme * Still need to implement the actual watermark calculation * for rs600. This just allows us to force high display * priority. */ if (info->ChipFamily == CHIP_FAMILY_RS600) { if (info->DispPriority == 2) { uint32_t priority_cnt; if (mode1) { priority_cnt = INREG(AVIVO_D1MODE_PRIORITY_A_CNT); priority_cnt |= AVIVO_DxMODE_PRIORITY_ALWAYS_ON; OUTREG(AVIVO_D1MODE_PRIORITY_A_CNT, priority_cnt); priority_cnt = INREG(AVIVO_D1MODE_PRIORITY_B_CNT); priority_cnt |= AVIVO_DxMODE_PRIORITY_ALWAYS_ON; OUTREG(AVIVO_D1MODE_PRIORITY_B_CNT, priority_cnt); } if (mode2) { priority_cnt = INREG(AVIVO_D2MODE_PRIORITY_A_CNT); priority_cnt |= AVIVO_DxMODE_PRIORITY_ALWAYS_ON; OUTREG(AVIVO_D2MODE_PRIORITY_A_CNT, priority_cnt); priority_cnt = INREG(AVIVO_D2MODE_PRIORITY_B_CNT); priority_cnt |= AVIVO_DxMODE_PRIORITY_ALWAYS_ON; OUTREG(AVIVO_D2MODE_PRIORITY_B_CNT, priority_cnt); } } return; } /* IGP bandwidth - get from integrated systems table * SYSTEM_MEMORY_BANDWIDTH (Mbyte/s) = SYSTEM_MEMORY_CLOCK (MHz) * (1+DDR) * 8 * EFF * Num of channels * SIDEPORT_MEMORY_BANDWIDTH = SIDEPORT_MEMORY_CLOCK * 2(byte) * 2(DDR) * 0.7(Eff) * CORE_CLOCK_BANDWIDTH (Mbyte/s) = SCLK (MHz) * 16 / Dynamic Engine clock Divider * HT_LINK_BANDWIDTH = HT_LINK_CLOCK * 2 * HT_LINK_WIDTH/8 * HT_LINK_EFF * system read delay * READ_DLY_MAX_LATENCY: 5000 ns * sideport read delay * READ_DLY_MAX_LATENCY: 370 * MCLK + 800 ns * MCLK is the sideport memory clock period in ns (MCLK = 1000 / MCLKfreq MHz) */ if (info->IsIGP) { float core_clock_bandwidth = ((float)info->pm.mode[info->pm.current_mode].sclk / 100) * 16 / 1; if (sideport) { float sideport_memory_bandwidth = (info->igp_sideport_mclk / 2) * 2 * 2 * 0.7; float mclk = 1000 / info->igp_sideport_mclk; read_delay_latency = 370 * mclk * 800; available_bandwidth = MIN(sideport_memory_bandwidth, core_clock_bandwidth); } else { float system_memory_bandwidth = (info->igp_system_mclk / 2) * (1 + 1) * 8 * 0.5 * 1; float ht_link_bandwidth = info->igp_ht_link_clk * 2 * (info->igp_ht_link_width / 8) * 0.8; read_delay_latency = 5000; available_bandwidth = MIN(system_memory_bandwidth, MIN(ht_link_bandwidth, core_clock_bandwidth)); } } /* calculate for each display */ for (i = 0; i < 2; i++) { DisplayModePtr current = NULL; //RADEONCrtcPrivatePtr radeon_crtc = pRADEONEnt->Controller[i]; float pclk, sclk, sclkfreq = 0; float consumption_time, consumption_rate; int num_line_pair, request_fifo_depth, lb_request_fifo_depth; int max_req; uint32_t lb_max_req_outstanding, priority_cnt; float line_time, active_time, chunk_time; float worst_case_latency, tolerable_latency; float fill_rate; int priority_mark_max, priority_mark, priority_mark2; int width, estimated_width; /* FIXME: handle the scalers better */ Bool d1_scale_en = pRADEONEnt->Controller[0]->scaler_enabled; Bool d2_scale_en = pRADEONEnt->Controller[1]->scaler_enabled; float vtaps1 = 2; /* XXX */ float vsc1 = pRADEONEnt->Controller[0]->vsc; float hsc1 = pRADEONEnt->Controller[0]->hsc; float vtaps2 = 2; /* XXX */ float vsc2 = pRADEONEnt->Controller[1]->vsc; float hsc2 = pRADEONEnt->Controller[1]->hsc; if (i == 0) current = mode1; else current = mode2; if (current == NULL) continue; /* Determine consumption rate pclk = pixel clock period(ns) vtaps = number of vertical taps, vsc = vertical scaling ratio, defined as source/destination hsc = horizontal scaling ration, defined as source/destination */ pclk = 1000 / ((float)current->Clock / 1000); if (i == 0) { if (d1_scale_en) consumption_time = pclk / ((MAX(vtaps1, vsc1) * hsc1) / vtaps1); else consumption_time = pclk; } else { if (d2_scale_en) consumption_time = pclk / ((MAX(vtaps2, vsc2) * hsc2) / vtaps2); else consumption_time = pclk; } consumption_rate = 1 / consumption_time; /* Determine request line buffer fifo depth NumLinePair = Number of line pairs to request(1 = 2 lines, 2 = 4 lines) LBRequestFifoDepth = Number of chunk requests the LB can put into the request FIFO for a display width = viewport width in pixels */ if (i == 0) { if (vsc1 > 2) num_line_pair = 2; else num_line_pair = 1; } else { if (vsc2 > 2) num_line_pair = 2; else num_line_pair = 1; } width = current->CrtcHDisplay; request_fifo_depth = ceil(width/256) * num_line_pair; if (request_fifo_depth < 4) lb_request_fifo_depth = 4; else lb_request_fifo_depth = request_fifo_depth; if (info->IsIGP) { if ((info->ChipFamily == CHIP_FAMILY_RS690) || (info->ChipFamily == CHIP_FAMILY_RS740)) OUTREG(RS690_DCP_CONTROL, 0); else if ((info->ChipFamily == CHIP_FAMILY_RS780) || (info->ChipFamily == CHIP_FAMILY_RS880)) OUTREG(RS690_DCP_CONTROL, 2); max_req = lb_request_fifo_depth - 1; } else max_req = lb_request_fifo_depth; /*ErrorF("max_req %d: 0x%x\n", i, max_req);*/ lb_max_req_outstanding = INREG(AVIVO_LB_MAX_REQ_OUTSTANDING); if (i == 0) { lb_max_req_outstanding &= ~(AVIVO_LB_D1_MAX_REQ_OUTSTANDING_MASK << AVIVO_LB_D1_MAX_REQ_OUTSTANDING_SHIFT); lb_max_req_outstanding |= (max_req & AVIVO_LB_D1_MAX_REQ_OUTSTANDING_MASK) << AVIVO_LB_D1_MAX_REQ_OUTSTANDING_SHIFT; } else { lb_max_req_outstanding &= ~(AVIVO_LB_D2_MAX_REQ_OUTSTANDING_MASK << AVIVO_LB_D2_MAX_REQ_OUTSTANDING_SHIFT); lb_max_req_outstanding |= (max_req & AVIVO_LB_D2_MAX_REQ_OUTSTANDING_MASK) << AVIVO_LB_D2_MAX_REQ_OUTSTANDING_SHIFT; } OUTREG(AVIVO_LB_MAX_REQ_OUTSTANDING, lb_max_req_outstanding); /* Determine line time LineTime = total time for one line of displayhtotal = total number of horizontal pixels pclk = pixel clock period(ns) */ line_time = current->CrtcHTotal * pclk; /* Determine active time ActiveTime = time of active region of display within one line, hactive = total number of horizontal active pixels htotal = total number of horizontal pixels */ active_time = line_time * current->CrtcHDisplay / current->CrtcHTotal; /* Determine chunk time ChunkTime = the time it takes the DCP to send one chunk of data to the LB which consists of pipeline delay and inter chunk gap sclk = system clock(ns) */ if (info->IsIGP) { sclk = 1000 / (available_bandwidth / 16); /* Sclkfreq = sclk in MHz = 1000/sclk (because sclk is in ns). */ sclkfreq = 1000 / sclk; chunk_time = sclk * 256 * 1.3; } else { sclk = 1000 / ((float)info->pm.mode[info->pm.current_mode].sclk / 100); chunk_time = sclk * 600; } /* Determine the worst case latency NumLinePair = Number of line pairs to request(1 = 2 lines, 2 = 4 lines) WorstCaseLatency = The worst case time from urgent to when the MC starts to return data READ_DELAY_IDLE_MAX = constant of 1us ChunkTime = the time it takes the DCP to send one chunk of data to the LB which consists of pipeline delay and inter chunk gap */ if (info->IsIGP) { if (num_line_pair > 1) worst_case_latency = read_delay_latency + 3 * chunk_time; else worst_case_latency = read_delay_latency + 2 * chunk_time; } else { if (num_line_pair > 1) worst_case_latency = read_delay_latency + 3 * chunk_time; else worst_case_latency = read_delay_latency + chunk_time; } /* Determine the tolerable latency TolerableLatency = Any given request has only 1 line time for the data to be returned LBRequestFifoDepth = Number of chunk requests the LB can put into the request FIFO for a display LineTime = total time for one line of display ChunkTime = the time it takes the DCP to send one chunk of data to the LB which consists of pipeline delay and inter chunk gap */ if ((2 + lb_request_fifo_depth) >= request_fifo_depth) tolerable_latency = line_time; else tolerable_latency = line_time - (request_fifo_depth - lb_request_fifo_depth - 2) * chunk_time; if (mode1 && mode2) { int d1bpp, d2bpp; int d1_graph_enable = 1; int d2_graph_enable = 1; int d1_ovl_enable = 0; int d2_ovl_enable = 0; int d1grph_depth, d2grph_depth; int d1ovl_depth = 0; int d2ovl_depth = 0; int d1_num_line_pair, d2_num_line_pair; float d1_fill_rate_coeff, d2_fill_rate_coeff; switch (pixel_bytes1) { case 2: d1grph_depth = 1; break; case 4: d1grph_depth = 2; break; default: d1grph_depth = 0; break; } switch (pixel_bytes2) { case 2: d2grph_depth = 1; break; case 4: d2grph_depth = 2; break; default: d2grph_depth = 0; break; } /* If both displays are active, determine line buffer fill rate */ if (d1_scale_en && (vsc1 > 2)) d1_num_line_pair = 2; else d1_num_line_pair = 1; if (d2_scale_en && (vsc2 > 2)) d2_num_line_pair = 2; else d2_num_line_pair = 1; if (info->IsIGP) { d1bpp = (d1_graph_enable * pow(2, d1grph_depth) * 8) + (d1_ovl_enable * pow(2, d1ovl_depth) * 8); d2bpp = (d2_graph_enable * pow(2, d2grph_depth) * 8) + (d2_ovl_enable * pow(2, d2ovl_depth) * 8); if (d1bpp > 64) d1_fill_rate_coeff = d1bpp * d1_num_line_pair; else d1_fill_rate_coeff = d1_num_line_pair; if (d2bpp > 64) d2_fill_rate_coeff = d2bpp * d2_num_line_pair; else d2_fill_rate_coeff = d2_num_line_pair; fill_rate = sclkfreq / (d1_fill_rate_coeff + d2_fill_rate_coeff); } else { d1bpp = (d1grph_depth + d1ovl_depth) * 16; d2bpp = (d2grph_depth + d2ovl_depth) * 16; if (d1bpp > 64) d1_fill_rate_coeff = d1bpp / d1_num_line_pair; else d1_fill_rate_coeff = d1_num_line_pair; if (d2bpp > 64) d2_fill_rate_coeff = d2bpp / d2_num_line_pair; else d2_fill_rate_coeff = d2_num_line_pair; fill_rate = sclk / (d1_fill_rate_coeff + d2_fill_rate_coeff); /* Convert line buffer fill rate from period to frequency */ fill_rate = 1 / fill_rate; } } else { int dxbpp; int dx_grph_enable = 1; int dx_ovl_enable = 0; int dxgrph_depth; int dxovl_depth = 0; int cpp; if (i == 0) cpp = pixel_bytes1; else cpp = pixel_bytes2; switch (cpp) { case 2: dxgrph_depth = 1; break; case 4: dxgrph_depth = 2; break; default: dxgrph_depth = 0; break; } /* If only one display active, the line buffer fill rate becomes */ if (info->IsIGP) { dxbpp = (dx_grph_enable * pow(2, dxgrph_depth) * 8) + (dx_ovl_enable * pow(2, dxovl_depth) * 8); if (dxbpp > 64) fill_rate = sclkfreq / dxbpp / num_line_pair; else fill_rate = sclkfreq / num_line_pair; } else { dxbpp = (dxgrph_depth + dxovl_depth) * 16; if (dxbpp > 64) fill_rate = sclk / dxbpp / num_line_pair; else fill_rate = sclk / num_line_pair; /* Convert line buffer fill rate from period to frequency */ fill_rate = 1 / fill_rate; } } /* Determine the maximum priority mark width = viewport width in pixels */ priority_mark_max = ceil(width/16); /* Determine estimated width */ estimated_width = (tolerable_latency - worst_case_latency) / consumption_time; /* Determine priority mark based on active time */ if (info->IsIGP) { if (estimated_width > width) priority_mark = 10; else priority_mark = priority_mark_max - ceil(estimated_width / 16); } else { if (estimated_width > width) priority_mark = priority_mark_max; else priority_mark = priority_mark_max - ceil(estimated_width / 16); } /* Determine priority mark 2 based on worst case latency, consumption rate, fill rate and active time */ if (info->IsIGP) { if (consumption_rate > fill_rate) priority_mark2 = ceil((worst_case_latency * consumption_rate + (consumption_rate - fill_rate) * active_time) / 1000 / 16); else priority_mark2 = ceil(worst_case_latency * consumption_rate / 1000 / 16); } else { if (consumption_rate > fill_rate) priority_mark2 = ceil(worst_case_latency * consumption_rate + (consumption_rate - fill_rate) * active_time / 16); else priority_mark2 = ceil(worst_case_latency * consumption_rate / 16); } /* Determine final priority mark and clamp if necessary */ priority_mark = max(priority_mark, priority_mark2); if (priority_mark < 0) priority_mark = 0; else if (priority_mark > priority_mark_max) priority_mark = priority_mark_max; priority_cnt = priority_mark & AVIVO_DxMODE_PRIORITY_MARK_MASK; if (info->DispPriority == 2) priority_cnt |= AVIVO_DxMODE_PRIORITY_ALWAYS_ON; /*ErrorF("priority_mark %d: 0x%x\n", i, priority_mark);*/ /* Determine which display to program priority mark for */ /* FIXME: program DxMODE_PRIORITY_B_CNT for slower sclk */ if (i == 0) { OUTREG(AVIVO_D1MODE_PRIORITY_A_CNT, priority_cnt); OUTREG(AVIVO_D1MODE_PRIORITY_B_CNT, priority_cnt); } else { OUTREG(AVIVO_D2MODE_PRIORITY_A_CNT, priority_cnt); OUTREG(AVIVO_D2MODE_PRIORITY_B_CNT, priority_cnt); } } }