| /* | 
 |  * Copyright 2007-8 Advanced Micro Devices, Inc. | 
 |  * Copyright 2008 Red Hat Inc. | 
 |  * | 
 |  * Permission is hereby granted, free of charge, to any person obtaining a | 
 |  * copy of this software and associated documentation files (the "Software"), | 
 |  * to deal in the Software without restriction, including without limitation | 
 |  * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
 |  * and/or sell copies of the Software, and to permit persons to whom the | 
 |  * Software is furnished to do so, subject to the following conditions: | 
 |  * | 
 |  * The above copyright notice and this permission notice shall be included in | 
 |  * all copies or substantial portions of the Software. | 
 |  * | 
 |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | 
 |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
 |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
 |  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | 
 |  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | 
 |  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | 
 |  * OTHER DEALINGS IN THE SOFTWARE. | 
 |  * | 
 |  * Authors: Dave Airlie | 
 |  *          Alex Deucher | 
 |  */ | 
 | #include <drm/drmP.h> | 
 | #include <drm/drm_crtc_helper.h> | 
 | #include <drm/radeon_drm.h> | 
 | #include <drm/drm_fixed.h> | 
 | #include "radeon.h" | 
 | #include "atom.h" | 
 | #include "atom-bits.h" | 
 |  | 
 | static void atombios_overscan_setup(struct drm_crtc *crtc, | 
 | 				    struct drm_display_mode *mode, | 
 | 				    struct drm_display_mode *adjusted_mode) | 
 | { | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	SET_CRTC_OVERSCAN_PS_ALLOCATION args; | 
 | 	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan); | 
 | 	int a1, a2; | 
 |  | 
 | 	memset(&args, 0, sizeof(args)); | 
 |  | 
 | 	args.ucCRTC = radeon_crtc->crtc_id; | 
 |  | 
 | 	switch (radeon_crtc->rmx_type) { | 
 | 	case RMX_CENTER: | 
 | 		args.usOverscanTop = 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); | 
 |  | 
 | 	/* fixme - fill in enc_priv for atom dac */ | 
 | 	enum radeon_tv_std tv_std = TV_STD_NTSC; | 
 | 	bool is_tv = false, is_cv = false; | 
 | 	struct drm_encoder *encoder; | 
 |  | 
 | 	if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id) | 
 | 		return; | 
 |  | 
 | 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | 
 | 		/* find tv std */ | 
 | 		if (encoder->crtc == crtc) { | 
 | 			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | 
 | 			if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) { | 
 | 				struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv; | 
 | 				tv_std = tv_dac->tv_std; | 
 | 				is_tv = true; | 
 | 			} | 
 | 		} | 
 | 	} | 
 |  | 
 | 	memset(&args, 0, sizeof(args)); | 
 |  | 
 | 	args.ucScaler = radeon_crtc->crtc_id; | 
 |  | 
 | 	if (is_tv) { | 
 | 		switch (tv_std) { | 
 | 		case TV_STD_NTSC: | 
 | 		default: | 
 | 			args.ucTVStandard = ATOM_TV_NTSC; | 
 | 			break; | 
 | 		case TV_STD_PAL: | 
 | 			args.ucTVStandard = ATOM_TV_PAL; | 
 | 			break; | 
 | 		case TV_STD_PAL_M: | 
 | 			args.ucTVStandard = ATOM_TV_PALM; | 
 | 			break; | 
 | 		case TV_STD_PAL_60: | 
 | 			args.ucTVStandard = ATOM_TV_PAL60; | 
 | 			break; | 
 | 		case TV_STD_NTSC_J: | 
 | 			args.ucTVStandard = ATOM_TV_NTSCJ; | 
 | 			break; | 
 | 		case TV_STD_SCART_PAL: | 
 | 			args.ucTVStandard = ATOM_TV_PAL; /* ??? */ | 
 | 			break; | 
 | 		case TV_STD_SECAM: | 
 | 			args.ucTVStandard = ATOM_TV_SECAM; | 
 | 			break; | 
 | 		case TV_STD_PAL_CN: | 
 | 			args.ucTVStandard = ATOM_TV_PALCN; | 
 | 			break; | 
 | 		} | 
 | 		args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; | 
 | 	} else if (is_cv) { | 
 | 		args.ucTVStandard = ATOM_TV_CV; | 
 | 		args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; | 
 | 	} else { | 
 | 		switch (radeon_crtc->rmx_type) { | 
 | 		case RMX_FULL: | 
 | 			args.ucEnable = ATOM_SCALER_EXPANSION; | 
 | 			break; | 
 | 		case RMX_CENTER: | 
 | 			args.ucEnable = ATOM_SCALER_CENTER; | 
 | 			break; | 
 | 		case RMX_ASPECT: | 
 | 			args.ucEnable = ATOM_SCALER_EXPANSION; | 
 | 			break; | 
 | 		default: | 
 | 			if (ASIC_IS_AVIVO(rdev)) | 
 | 				args.ucEnable = ATOM_SCALER_DISABLE; | 
 | 			else | 
 | 				args.ucEnable = ATOM_SCALER_CENTER; | 
 | 			break; | 
 | 		} | 
 | 	} | 
 | 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
 | 	if ((is_tv || is_cv) | 
 | 	    && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) { | 
 | 		atom_rv515_force_tv_scaler(rdev, radeon_crtc); | 
 | 	} | 
 | } | 
 |  | 
 | static void atombios_lock_crtc(struct drm_crtc *crtc, int lock) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	int index = | 
 | 	    GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters); | 
 | 	ENABLE_CRTC_PS_ALLOCATION args; | 
 |  | 
 | 	memset(&args, 0, sizeof(args)); | 
 |  | 
 | 	args.ucCRTC = radeon_crtc->crtc_id; | 
 | 	args.ucEnable = lock; | 
 |  | 
 | 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
 | } | 
 |  | 
 | static void atombios_enable_crtc(struct drm_crtc *crtc, int state) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC); | 
 | 	ENABLE_CRTC_PS_ALLOCATION args; | 
 |  | 
 | 	memset(&args, 0, sizeof(args)); | 
 |  | 
 | 	args.ucCRTC = radeon_crtc->crtc_id; | 
 | 	args.ucEnable = state; | 
 |  | 
 | 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
 | } | 
 |  | 
 | static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq); | 
 | 	ENABLE_CRTC_PS_ALLOCATION args; | 
 |  | 
 | 	memset(&args, 0, sizeof(args)); | 
 |  | 
 | 	args.ucCRTC = radeon_crtc->crtc_id; | 
 | 	args.ucEnable = state; | 
 |  | 
 | 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
 | } | 
 |  | 
 | static void atombios_blank_crtc(struct drm_crtc *crtc, int state) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC); | 
 | 	BLANK_CRTC_PS_ALLOCATION args; | 
 |  | 
 | 	memset(&args, 0, sizeof(args)); | 
 |  | 
 | 	args.ucCRTC = radeon_crtc->crtc_id; | 
 | 	args.ucBlanking = state; | 
 |  | 
 | 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
 | } | 
 |  | 
 | 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; | 
 | 		/* adjust pm to dpms changes BEFORE enabling crtcs */ | 
 | 		radeon_pm_compute_clocks(rdev); | 
 | 		/* disable crtc pair power gating before programming */ | 
 | 		if (ASIC_IS_DCE6(rdev)) | 
 | 			atombios_powergate_crtc(crtc, ATOM_DISABLE); | 
 | 		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); | 
 | 		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id); | 
 | 		radeon_crtc_load_lut(crtc); | 
 | 		break; | 
 | 	case DRM_MODE_DPMS_STANDBY: | 
 | 	case DRM_MODE_DPMS_SUSPEND: | 
 | 	case DRM_MODE_DPMS_OFF: | 
 | 		drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id); | 
 | 		if (radeon_crtc->enabled) | 
 | 			atombios_blank_crtc(crtc, ATOM_ENABLE); | 
 | 		if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) | 
 | 			atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); | 
 | 		atombios_enable_crtc(crtc, ATOM_DISABLE); | 
 | 		radeon_crtc->enabled = false; | 
 | 		/* power gating is per-pair */ | 
 | 		if (ASIC_IS_DCE6(rdev)) { | 
 | 			struct drm_crtc *other_crtc; | 
 | 			struct radeon_crtc *other_radeon_crtc; | 
 | 			list_for_each_entry(other_crtc, &rdev->ddev->mode_config.crtc_list, head) { | 
 | 				other_radeon_crtc = to_radeon_crtc(other_crtc); | 
 | 				if (((radeon_crtc->crtc_id == 0) && (other_radeon_crtc->crtc_id == 1)) || | 
 | 				    ((radeon_crtc->crtc_id == 1) && (other_radeon_crtc->crtc_id == 0)) || | 
 | 				    ((radeon_crtc->crtc_id == 2) && (other_radeon_crtc->crtc_id == 3)) || | 
 | 				    ((radeon_crtc->crtc_id == 3) && (other_radeon_crtc->crtc_id == 2)) || | 
 | 				    ((radeon_crtc->crtc_id == 4) && (other_radeon_crtc->crtc_id == 5)) || | 
 | 				    ((radeon_crtc->crtc_id == 5) && (other_radeon_crtc->crtc_id == 4))) { | 
 | 					/* if both crtcs in the pair are off, enable power gating */ | 
 | 					if (other_radeon_crtc->enabled == false) | 
 | 						atombios_powergate_crtc(crtc, ATOM_ENABLE); | 
 | 					break; | 
 | 				} | 
 | 			} | 
 | 		} | 
 | 		/* adjust pm to dpms changes AFTER disabling crtcs */ | 
 | 		radeon_pm_compute_clocks(rdev); | 
 | 		break; | 
 | 	} | 
 | } | 
 |  | 
 | static void | 
 | atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, | 
 | 			     struct drm_display_mode *mode) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	SET_CRTC_USING_DTD_TIMING_PARAMETERS args; | 
 | 	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming); | 
 | 	u16 misc = 0; | 
 |  | 
 | 	memset(&args, 0, sizeof(args)); | 
 | 	args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2)); | 
 | 	args.usH_Blanking_Time = | 
 | 		cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2)); | 
 | 	args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2)); | 
 | 	args.usV_Blanking_Time = | 
 | 		cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2)); | 
 | 	args.usH_SyncOffset = | 
 | 		cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border); | 
 | 	args.usH_SyncWidth = | 
 | 		cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); | 
 | 	args.usV_SyncOffset = | 
 | 		cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border); | 
 | 	args.usV_SyncWidth = | 
 | 		cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); | 
 | 	args.ucH_Border = radeon_crtc->h_border; | 
 | 	args.ucV_Border = radeon_crtc->v_border; | 
 |  | 
 | 	if (mode->flags & DRM_MODE_FLAG_NVSYNC) | 
 | 		misc |= ATOM_VSYNC_POLARITY; | 
 | 	if (mode->flags & DRM_MODE_FLAG_NHSYNC) | 
 | 		misc |= ATOM_HSYNC_POLARITY; | 
 | 	if (mode->flags & DRM_MODE_FLAG_CSYNC) | 
 | 		misc |= ATOM_COMPOSITESYNC; | 
 | 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) | 
 | 		misc |= ATOM_INTERLACE; | 
 | 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN) | 
 | 		misc |= ATOM_DOUBLE_CLOCK_MODE; | 
 |  | 
 | 	args.susModeMiscInfo.usAccess = cpu_to_le16(misc); | 
 | 	args.ucCRTC = radeon_crtc->crtc_id; | 
 |  | 
 | 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
 | } | 
 |  | 
 | static void atombios_crtc_set_timing(struct drm_crtc *crtc, | 
 | 				     struct drm_display_mode *mode) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args; | 
 | 	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing); | 
 | 	u16 misc = 0; | 
 |  | 
 | 	memset(&args, 0, sizeof(args)); | 
 | 	args.usH_Total = cpu_to_le16(mode->crtc_htotal); | 
 | 	args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay); | 
 | 	args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start); | 
 | 	args.usH_SyncWidth = | 
 | 		cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); | 
 | 	args.usV_Total = cpu_to_le16(mode->crtc_vtotal); | 
 | 	args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay); | 
 | 	args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start); | 
 | 	args.usV_SyncWidth = | 
 | 		cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); | 
 |  | 
 | 	args.ucOverscanRight = radeon_crtc->h_border; | 
 | 	args.ucOverscanLeft = radeon_crtc->h_border; | 
 | 	args.ucOverscanBottom = radeon_crtc->v_border; | 
 | 	args.ucOverscanTop = radeon_crtc->v_border; | 
 |  | 
 | 	if (mode->flags & DRM_MODE_FLAG_NVSYNC) | 
 | 		misc |= ATOM_VSYNC_POLARITY; | 
 | 	if (mode->flags & DRM_MODE_FLAG_NHSYNC) | 
 | 		misc |= ATOM_HSYNC_POLARITY; | 
 | 	if (mode->flags & DRM_MODE_FLAG_CSYNC) | 
 | 		misc |= ATOM_COMPOSITESYNC; | 
 | 	if (mode->flags & DRM_MODE_FLAG_INTERLACE) | 
 | 		misc |= ATOM_INTERLACE; | 
 | 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN) | 
 | 		misc |= ATOM_DOUBLE_CLOCK_MODE; | 
 |  | 
 | 	args.susModeMiscInfo.usAccess = cpu_to_le16(misc); | 
 | 	args.ucCRTC = radeon_crtc->crtc_id; | 
 |  | 
 | 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); | 
 | } | 
 |  | 
 | static void atombios_disable_ss(struct 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, | 
 | 				     struct radeon_atom_ss *ss) | 
 | { | 
 | 	int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL); | 
 | 	union atom_enable_ss args; | 
 |  | 
 | 	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; | 
 | 			args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); | 
 | 			args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step); | 
 | 			break; | 
 | 		case ATOM_PPLL2: | 
 | 			args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL; | 
 | 			args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); | 
 | 			args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step); | 
 | 			break; | 
 | 		case ATOM_DCPLL: | 
 | 			args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL; | 
 | 			args.v3.usSpreadSpectrumAmount = cpu_to_le16(0); | 
 | 			args.v3.usSpreadSpectrumStep = cpu_to_le16(0); | 
 | 			break; | 
 | 		case ATOM_PPLL_INVALID: | 
 | 			return; | 
 | 		} | 
 | 		args.v3.ucEnable = enable; | 
 | 		if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE61(rdev)) | 
 | 			args.v3.ucEnable = ATOM_DISABLE; | 
 | 	} 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; | 
 | 			args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); | 
 | 			args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step); | 
 | 			break; | 
 | 		case ATOM_PPLL2: | 
 | 			args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL; | 
 | 			args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); | 
 | 			args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step); | 
 | 			break; | 
 | 		case ATOM_DCPLL: | 
 | 			args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL; | 
 | 			args.v2.usSpreadSpectrumAmount = cpu_to_le16(0); | 
 | 			args.v2.usSpreadSpectrumStep = cpu_to_le16(0); | 
 | 			break; | 
 | 		case ATOM_PPLL_INVALID: | 
 | 			return; | 
 | 		} | 
 | 		args.v2.ucEnable = enable; | 
 | 		if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE41(rdev)) | 
 | 			args.v2.ucEnable = ATOM_DISABLE; | 
 | 	} 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) || (ss->percentage == 0) || | 
 | 		    (ss->type & ATOM_EXTERNAL_SS_MASK)) { | 
 | 			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_pll *pll, | 
 | 			       bool ss_enabled, | 
 | 			       struct radeon_atom_ss *ss) | 
 | { | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	struct drm_encoder *encoder = NULL; | 
 | 	struct radeon_encoder *radeon_encoder = NULL; | 
 | 	struct drm_connector *connector = NULL; | 
 | 	u32 adjusted_clock = mode->clock; | 
 | 	int encoder_mode = 0; | 
 | 	u32 dp_clock = mode->clock; | 
 | 	int bpc = 8; | 
 | 	bool is_duallink = false; | 
 |  | 
 | 	/* reset the pll flags */ | 
 | 	pll->flags = 0; | 
 |  | 
 | 	if (ASIC_IS_AVIVO(rdev)) { | 
 | 		if ((rdev->family == CHIP_RS600) || | 
 | 		    (rdev->family == CHIP_RS690) || | 
 | 		    (rdev->family == CHIP_RS740)) | 
 | 			pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/ | 
 | 				       RADEON_PLL_PREFER_CLOSEST_LOWER); | 
 |  | 
 | 		if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)	/* range limits??? */ | 
 | 			pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; | 
 | 		else | 
 | 			pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV; | 
 |  | 
 | 		if (rdev->family < CHIP_RV770) | 
 | 			pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; | 
 | 	} else { | 
 | 		pll->flags |= RADEON_PLL_LEGACY; | 
 |  | 
 | 		if (mode->clock > 200000)	/* range limits??? */ | 
 | 			pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; | 
 | 		else | 
 | 			pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV; | 
 | 	} | 
 |  | 
 | 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | 
 | 		if (encoder->crtc == crtc) { | 
 | 			radeon_encoder = to_radeon_encoder(encoder); | 
 | 			connector = radeon_get_connector_for_encoder(encoder); | 
 | 			if (connector && connector->display_info.bpc) | 
 | 				bpc = connector->display_info.bpc; | 
 | 			encoder_mode = atombios_get_encoder_mode(encoder); | 
 | 			is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock); | 
 | 			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 (ss_enabled) { | 
 | 					if (ss->refdiv) { | 
 | 						pll->flags |= RADEON_PLL_USE_REF_DIV; | 
 | 						pll->reference_div = ss->refdiv; | 
 | 						if (ASIC_IS_AVIVO(rdev)) | 
 | 							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)) | 
 | 					pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER; | 
 | 				if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) | 
 | 					pll->flags |= RADEON_PLL_IS_LCD; | 
 | 			} else { | 
 | 				if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) | 
 | 					pll->flags |= RADEON_PLL_NO_ODD_POST_DIV; | 
 | 				if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) | 
 | 					pll->flags |= RADEON_PLL_USE_REF_DIV; | 
 | 			} | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock | 
 | 	 * accordingly based on the encoder/transmitter to work around | 
 | 	 * special hw requirements. | 
 | 	 */ | 
 | 	if (ASIC_IS_DCE3(rdev)) { | 
 | 		union adjust_pixel_clock args; | 
 | 		u8 frev, crev; | 
 | 		int index; | 
 |  | 
 | 		index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll); | 
 | 		if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, | 
 | 					   &crev)) | 
 | 			return adjusted_clock; | 
 |  | 
 | 		memset(&args, 0, sizeof(args)); | 
 |  | 
 | 		switch (frev) { | 
 | 		case 1: | 
 | 			switch (crev) { | 
 | 			case 1: | 
 | 			case 2: | 
 | 				args.v1.usPixelClock = cpu_to_le16(mode->clock / 10); | 
 | 				args.v1.ucTransmitterID = radeon_encoder->encoder_id; | 
 | 				args.v1.ucEncodeMode = encoder_mode; | 
 | 				if (ss_enabled && 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(mode->clock / 10); | 
 | 				args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id; | 
 | 				args.v3.sInput.ucEncodeMode = encoder_mode; | 
 | 				args.v3.sInput.ucDispPllConfig = 0; | 
 | 				if (ss_enabled && 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 (encoder_mode == ATOM_ENCODER_MODE_HDMI) | 
 | 						/* deep color support */ | 
 | 						args.v3.sInput.usPixelClock = | 
 | 							cpu_to_le16((mode->clock * bpc / 8) / 10); | 
 | 					if (dig->coherent_mode) | 
 | 						args.v3.sInput.ucDispPllConfig |= | 
 | 							DISPPLL_CONFIG_COHERENT_MODE; | 
 | 					if (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) { | 
 | 					pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; | 
 | 					pll->flags |= RADEON_PLL_USE_REF_DIV; | 
 | 					pll->reference_div = args.v3.sOutput.ucRefDiv; | 
 | 				} | 
 | 				if (args.v3.sOutput.ucPostDiv) { | 
 | 					pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV; | 
 | 					pll->flags |= RADEON_PLL_USE_POST_DIV; | 
 | 					pll->post_div = args.v3.sOutput.ucPostDiv; | 
 | 				} | 
 | 				break; | 
 | 			default: | 
 | 				DRM_ERROR("Unknown table version %d %d\n", frev, crev); | 
 | 				return adjusted_clock; | 
 | 			} | 
 | 			break; | 
 | 		default: | 
 | 			DRM_ERROR("Unknown table version %d %d\n", frev, crev); | 
 | 			return adjusted_clock; | 
 | 		} | 
 | 	} | 
 | 	return adjusted_clock; | 
 | } | 
 |  | 
 | union set_pixel_clock { | 
 | 	SET_PIXEL_CLOCK_PS_ALLOCATION base; | 
 | 	PIXEL_CLOCK_PARAMETERS v1; | 
 | 	PIXEL_CLOCK_PARAMETERS_V2 v2; | 
 | 	PIXEL_CLOCK_PARAMETERS_V3 v3; | 
 | 	PIXEL_CLOCK_PARAMETERS_V5 v5; | 
 | 	PIXEL_CLOCK_PARAMETERS_V6 v6; | 
 | }; | 
 |  | 
 | /* on DCE5, make sure the voltage is high enough to support the | 
 |  * required disp clk. | 
 |  */ | 
 | static void atombios_crtc_set_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)) | 
 | 				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; | 
 | 			args.v3.ucMiscInfo = (pll_id << 2); | 
 | 			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; | 
 | 			switch (bpc) { | 
 | 			case 8: | 
 | 			default: | 
 | 				args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; | 
 | 				break; | 
 | 			case 10: | 
 | 				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; | 
 | 			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; | 
 | 				break; | 
 | 			case 12: | 
 | 				args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP; | 
 | 				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 void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	struct drm_encoder *encoder = NULL; | 
 | 	struct radeon_encoder *radeon_encoder = NULL; | 
 | 	u32 pll_clock = mode->clock; | 
 | 	u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0; | 
 | 	struct radeon_pll *pll; | 
 | 	u32 adjusted_clock; | 
 | 	int encoder_mode = 0; | 
 | 	struct radeon_atom_ss ss; | 
 | 	bool ss_enabled = false; | 
 | 	int bpc = 8; | 
 |  | 
 | 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | 
 | 		if (encoder->crtc == crtc) { | 
 | 			radeon_encoder = to_radeon_encoder(encoder); | 
 | 			encoder_mode = atombios_get_encoder_mode(encoder); | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	if (!radeon_encoder) | 
 | 		return; | 
 |  | 
 | 	switch (radeon_crtc->pll_id) { | 
 | 	case ATOM_PPLL1: | 
 | 		pll = &rdev->clock.p1pll; | 
 | 		break; | 
 | 	case ATOM_PPLL2: | 
 | 		pll = &rdev->clock.p2pll; | 
 | 		break; | 
 | 	case ATOM_DCPLL: | 
 | 	case ATOM_PPLL_INVALID: | 
 | 	default: | 
 | 		pll = &rdev->clock.dcpll; | 
 | 		break; | 
 | 	} | 
 |  | 
 | 	if (radeon_encoder->active_device & | 
 | 	    (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) { | 
 | 		struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; | 
 | 		struct drm_connector *connector = | 
 | 			radeon_get_connector_for_encoder(encoder); | 
 | 		struct radeon_connector *radeon_connector = | 
 | 			to_radeon_connector(connector); | 
 | 		struct radeon_connector_atom_dig *dig_connector = | 
 | 			radeon_connector->con_priv; | 
 | 		int dp_clock; | 
 | 		bpc = connector->display_info.bpc; | 
 |  | 
 | 		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)) | 
 | 				ss_enabled = | 
 | 					radeon_atombios_get_asic_ss_info(rdev, &ss, | 
 | 									 ASIC_INTERNAL_SS_ON_DP, | 
 | 									 dp_clock); | 
 | 			else { | 
 | 				if (dp_clock == 16200) { | 
 | 					ss_enabled = | 
 | 						radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
 | 										 ATOM_DP_SS_ID2); | 
 | 					if (!ss_enabled) | 
 | 						ss_enabled = | 
 | 							radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
 | 											 ATOM_DP_SS_ID1); | 
 | 				} else | 
 | 					ss_enabled = | 
 | 						radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
 | 										 ATOM_DP_SS_ID1); | 
 | 			} | 
 | 			break; | 
 | 		case ATOM_ENCODER_MODE_LVDS: | 
 | 			if (ASIC_IS_DCE4(rdev)) | 
 | 				ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, | 
 | 									      dig->lcd_ss_id, | 
 | 									      mode->clock / 10); | 
 | 			else | 
 | 				ss_enabled = radeon_atombios_get_ppll_ss_info(rdev, &ss, | 
 | 									      dig->lcd_ss_id); | 
 | 			break; | 
 | 		case ATOM_ENCODER_MODE_DVI: | 
 | 			if (ASIC_IS_DCE4(rdev)) | 
 | 				ss_enabled = | 
 | 					radeon_atombios_get_asic_ss_info(rdev, &ss, | 
 | 									 ASIC_INTERNAL_SS_ON_TMDS, | 
 | 									 mode->clock / 10); | 
 | 			break; | 
 | 		case ATOM_ENCODER_MODE_HDMI: | 
 | 			if (ASIC_IS_DCE4(rdev)) | 
 | 				ss_enabled = | 
 | 					radeon_atombios_get_asic_ss_info(rdev, &ss, | 
 | 									 ASIC_INTERNAL_SS_ON_HDMI, | 
 | 									 mode->clock / 10); | 
 | 			break; | 
 | 		default: | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* adjust pixel clock as needed */ | 
 | 	adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss); | 
 |  | 
 | 	if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) | 
 | 		/* TV seems to prefer the legacy algo on some boards */ | 
 | 		radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, | 
 | 					  &ref_div, &post_div); | 
 | 	else if (ASIC_IS_AVIVO(rdev)) | 
 | 		radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, | 
 | 					 &ref_div, &post_div); | 
 | 	else | 
 | 		radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, | 
 | 					  &ref_div, &post_div); | 
 |  | 
 | 	atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id, &ss); | 
 |  | 
 | 	atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, | 
 | 				  encoder_mode, radeon_encoder->encoder_id, mode->clock, | 
 | 				  ref_div, fb_div, frac_fb_div, post_div, bpc, ss_enabled, &ss); | 
 |  | 
 | 	if (ss_enabled) { | 
 | 		/* calculate ss amount and step size */ | 
 | 		if (ASIC_IS_DCE4(rdev)) { | 
 | 			u32 step_size; | 
 | 			u32 amount = (((fb_div * 10) + frac_fb_div) * ss.percentage) / 10000; | 
 | 			ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK; | 
 | 			ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) & | 
 | 				ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK; | 
 | 			if (ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD) | 
 | 				step_size = (4 * amount * ref_div * (ss.rate * 2048)) / | 
 | 					(125 * 25 * pll->reference_freq / 100); | 
 | 			else | 
 | 				step_size = (2 * amount * ref_div * (ss.rate * 2048)) / | 
 | 					(125 * 25 * pll->reference_freq / 100); | 
 | 			ss.step = step_size; | 
 | 		} | 
 |  | 
 | 		atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id, &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 radeon_framebuffer *radeon_fb; | 
 | 	struct drm_framebuffer *target_fb; | 
 | 	struct drm_gem_object *obj; | 
 | 	struct radeon_bo *rbo; | 
 | 	uint64_t fb_location; | 
 | 	uint32_t fb_format, fb_pitch_pixels, tiling_flags; | 
 | 	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; | 
 |  | 
 | 	/* no fb bound */ | 
 | 	if (!atomic && !crtc->fb) { | 
 | 		DRM_DEBUG_KMS("No FB bound\n"); | 
 | 		return 0; | 
 | 	} | 
 |  | 
 | 	if (atomic) { | 
 | 		radeon_fb = to_radeon_framebuffer(fb); | 
 | 		target_fb = fb; | 
 | 	} | 
 | 	else { | 
 | 		radeon_fb = to_radeon_framebuffer(crtc->fb); | 
 | 		target_fb = crtc->fb; | 
 | 	} | 
 |  | 
 | 	/* If atomic, assume fb object is pinned & idle & fenced and | 
 | 	 * just update base pointers | 
 | 	 */ | 
 | 	obj = radeon_fb->obj; | 
 | 	rbo = 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->bits_per_pixel) { | 
 | 	case 8: | 
 | 		fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) | | 
 | 			     EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED)); | 
 | 		break; | 
 | 	case 15: | 
 | 		fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | | 
 | 			     EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555)); | 
 | 		break; | 
 | 	case 16: | 
 | 		fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | | 
 | 			     EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565)); | 
 | #ifdef __BIG_ENDIAN | 
 | 		fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); | 
 | #endif | 
 | 		break; | 
 | 	case 24: | 
 | 	case 32: | 
 | 		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; | 
 | 	default: | 
 | 		DRM_ERROR("Unsupported screen depth %d\n", | 
 | 			  target_fb->bits_per_pixel); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	if (tiling_flags & RADEON_TILING_MACRO) { | 
 | 		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); | 
 |  | 
 | 		evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); | 
 | 		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); | 
 | 	} else if (tiling_flags & RADEON_TILING_MICRO) | 
 | 		fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); | 
 |  | 
 | 	switch (radeon_crtc->crtc_id) { | 
 | 	case 0: | 
 | 		WREG32(AVIVO_D1VGA_CONTROL, 0); | 
 | 		break; | 
 | 	case 1: | 
 | 		WREG32(AVIVO_D2VGA_CONTROL, 0); | 
 | 		break; | 
 | 	case 2: | 
 | 		WREG32(EVERGREEN_D3VGA_CONTROL, 0); | 
 | 		break; | 
 | 	case 3: | 
 | 		WREG32(EVERGREEN_D4VGA_CONTROL, 0); | 
 | 		break; | 
 | 	case 4: | 
 | 		WREG32(EVERGREEN_D5VGA_CONTROL, 0); | 
 | 		break; | 
 | 	case 5: | 
 | 		WREG32(EVERGREEN_D6VGA_CONTROL, 0); | 
 | 		break; | 
 | 	default: | 
 | 		break; | 
 | 	} | 
 |  | 
 | 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, | 
 | 	       upper_32_bits(fb_location)); | 
 | 	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, | 
 | 	       upper_32_bits(fb_location)); | 
 | 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, | 
 | 	       (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); | 
 | 	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, | 
 | 	       (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); | 
 | 	WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); | 
 | 	WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); | 
 |  | 
 | 	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->bits_per_pixel / 8); | 
 | 	WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); | 
 | 	WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); | 
 |  | 
 | 	WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, | 
 | 	       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; | 
 | 	WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, | 
 | 	       (viewport_w << 16) | viewport_h); | 
 |  | 
 | 	/* pageflip setup */ | 
 | 	/* make sure flip is at vb rather than hb */ | 
 | 	tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); | 
 | 	tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN; | 
 | 	WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); | 
 |  | 
 | 	/* set pageflip to happen anywhere in vblank interval */ | 
 | 	WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); | 
 |  | 
 | 	if (!atomic && fb && fb != crtc->fb) { | 
 | 		radeon_fb = to_radeon_framebuffer(fb); | 
 | 		rbo = gem_to_radeon_bo(radeon_fb->obj); | 
 | 		r = radeon_bo_reserve(rbo, false); | 
 | 		if (unlikely(r != 0)) | 
 | 			return r; | 
 | 		radeon_bo_unpin(rbo); | 
 | 		radeon_bo_unreserve(rbo); | 
 | 	} | 
 |  | 
 | 	/* Bytes per pixel may have changed */ | 
 | 	radeon_bandwidth_update(rdev); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int avivo_crtc_do_set_base(struct drm_crtc *crtc, | 
 | 				  struct drm_framebuffer *fb, | 
 | 				  int x, int y, int atomic) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	struct radeon_framebuffer *radeon_fb; | 
 | 	struct drm_gem_object *obj; | 
 | 	struct radeon_bo *rbo; | 
 | 	struct drm_framebuffer *target_fb; | 
 | 	uint64_t fb_location; | 
 | 	uint32_t fb_format, fb_pitch_pixels, tiling_flags; | 
 | 	u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; | 
 | 	u32 tmp, viewport_w, viewport_h; | 
 | 	int r; | 
 |  | 
 | 	/* no fb bound */ | 
 | 	if (!atomic && !crtc->fb) { | 
 | 		DRM_DEBUG_KMS("No FB bound\n"); | 
 | 		return 0; | 
 | 	} | 
 |  | 
 | 	if (atomic) { | 
 | 		radeon_fb = to_radeon_framebuffer(fb); | 
 | 		target_fb = fb; | 
 | 	} | 
 | 	else { | 
 | 		radeon_fb = to_radeon_framebuffer(crtc->fb); | 
 | 		target_fb = crtc->fb; | 
 | 	} | 
 |  | 
 | 	obj = radeon_fb->obj; | 
 | 	rbo = 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->bits_per_pixel) { | 
 | 	case 8: | 
 | 		fb_format = | 
 | 		    AVIVO_D1GRPH_CONTROL_DEPTH_8BPP | | 
 | 		    AVIVO_D1GRPH_CONTROL_8BPP_INDEXED; | 
 | 		break; | 
 | 	case 15: | 
 | 		fb_format = | 
 | 		    AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | | 
 | 		    AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555; | 
 | 		break; | 
 | 	case 16: | 
 | 		fb_format = | 
 | 		    AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | | 
 | 		    AVIVO_D1GRPH_CONTROL_16BPP_RGB565; | 
 | #ifdef __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; | 
 | #ifdef __BIG_ENDIAN | 
 | 		fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; | 
 | #endif | 
 | 		break; | 
 | 	default: | 
 | 		DRM_ERROR("Unsupported screen depth %d\n", | 
 | 			  target_fb->bits_per_pixel); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	if (rdev->family >= CHIP_R600) { | 
 | 		if (tiling_flags & RADEON_TILING_MACRO) | 
 | 			fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1; | 
 | 		else if (tiling_flags & RADEON_TILING_MICRO) | 
 | 			fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1; | 
 | 	} else { | 
 | 		if (tiling_flags & RADEON_TILING_MACRO) | 
 | 			fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE; | 
 |  | 
 | 		if (tiling_flags & RADEON_TILING_MICRO) | 
 | 			fb_format |= AVIVO_D1GRPH_TILED; | 
 | 	} | 
 |  | 
 | 	if (radeon_crtc->crtc_id == 0) | 
 | 		WREG32(AVIVO_D1VGA_CONTROL, 0); | 
 | 	else | 
 | 		WREG32(AVIVO_D2VGA_CONTROL, 0); | 
 |  | 
 | 	if (rdev->family >= CHIP_RV770) { | 
 | 		if (radeon_crtc->crtc_id) { | 
 | 			WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); | 
 | 			WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); | 
 | 		} else { | 
 | 			WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); | 
 | 			WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); | 
 | 		} | 
 | 	} | 
 | 	WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, | 
 | 	       (u32) fb_location); | 
 | 	WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + | 
 | 	       radeon_crtc->crtc_offset, (u32) fb_location); | 
 | 	WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); | 
 | 	if (rdev->family >= CHIP_R600) | 
 | 		WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); | 
 |  | 
 | 	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->bits_per_pixel / 8); | 
 | 	WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); | 
 | 	WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); | 
 |  | 
 | 	WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, | 
 | 	       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); | 
 |  | 
 | 	/* pageflip setup */ | 
 | 	/* make sure flip is at vb rather than hb */ | 
 | 	tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); | 
 | 	tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN; | 
 | 	WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); | 
 |  | 
 | 	/* set pageflip to happen anywhere in vblank interval */ | 
 | 	WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); | 
 |  | 
 | 	if (!atomic && fb && fb != crtc->fb) { | 
 | 		radeon_fb = to_radeon_framebuffer(fb); | 
 | 		rbo = gem_to_radeon_bo(radeon_fb->obj); | 
 | 		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; | 
 | 	} | 
 | } | 
 |  | 
 | static int radeon_atom_pick_pll(struct drm_crtc *crtc) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	struct drm_encoder *test_encoder; | 
 | 	struct drm_crtc *test_crtc; | 
 | 	uint32_t pll_in_use = 0; | 
 |  | 
 | 	if (ASIC_IS_DCE61(rdev)) { | 
 | 		list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) { | 
 | 			if (test_encoder->crtc && (test_encoder->crtc == crtc)) { | 
 | 				struct radeon_encoder *test_radeon_encoder = | 
 | 					to_radeon_encoder(test_encoder); | 
 | 				struct radeon_encoder_atom_dig *dig = | 
 | 					test_radeon_encoder->enc_priv; | 
 |  | 
 | 				if ((test_radeon_encoder->encoder_id == | 
 | 				     ENCODER_OBJECT_ID_INTERNAL_UNIPHY) && | 
 | 				    (dig->linkb == false)) /* UNIPHY A uses PPLL2 */ | 
 | 					return ATOM_PPLL2; | 
 | 			} | 
 | 		} | 
 | 		/* UNIPHY B/C/D/E/F */ | 
 | 		list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { | 
 | 			struct radeon_crtc *radeon_test_crtc; | 
 |  | 
 | 			if (crtc == test_crtc) | 
 | 				continue; | 
 |  | 
 | 			radeon_test_crtc = to_radeon_crtc(test_crtc); | 
 | 			if ((radeon_test_crtc->pll_id == ATOM_PPLL0) || | 
 | 			    (radeon_test_crtc->pll_id == ATOM_PPLL1)) | 
 | 				pll_in_use |= (1 << radeon_test_crtc->pll_id); | 
 | 		} | 
 | 		if (!(pll_in_use & 4)) | 
 | 			return ATOM_PPLL0; | 
 | 		return ATOM_PPLL1; | 
 | 	} else if (ASIC_IS_DCE4(rdev)) { | 
 | 		list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) { | 
 | 			if (test_encoder->crtc && (test_encoder->crtc == crtc)) { | 
 | 				/* 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: DCPLL 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(test_encoder))) { | 
 | 					if (ASIC_IS_DCE5(rdev) || rdev->clock.dp_extclk) | 
 | 						return ATOM_PPLL_INVALID; | 
 | 				} | 
 | 			} | 
 | 		} | 
 |  | 
 | 		/* otherwise, pick one of the plls */ | 
 | 		list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { | 
 | 			struct radeon_crtc *radeon_test_crtc; | 
 |  | 
 | 			if (crtc == test_crtc) | 
 | 				continue; | 
 |  | 
 | 			radeon_test_crtc = to_radeon_crtc(test_crtc); | 
 | 			if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) && | 
 | 			    (radeon_test_crtc->pll_id <= ATOM_PPLL2)) | 
 | 				pll_in_use |= (1 << radeon_test_crtc->pll_id); | 
 | 		} | 
 | 		if (!(pll_in_use & 1)) | 
 | 			return ATOM_PPLL1; | 
 | 		return ATOM_PPLL2; | 
 | 	} else | 
 | 		return radeon_crtc->crtc_id; | 
 |  | 
 | } | 
 |  | 
 | 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, &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, &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 drm_encoder *encoder; | 
 | 	bool is_tvcv = false; | 
 |  | 
 | 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { | 
 | 		/* find tv std */ | 
 | 		if (encoder->crtc == crtc) { | 
 | 			struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); | 
 | 			if (radeon_encoder->active_device & | 
 | 			    (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) | 
 | 				is_tvcv = true; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	atombios_crtc_set_pll(crtc, adjusted_mode); | 
 |  | 
 | 	if (ASIC_IS_DCE4(rdev)) | 
 | 		atombios_set_crtc_dtd_timing(crtc, adjusted_mode); | 
 | 	else if (ASIC_IS_AVIVO(rdev)) { | 
 | 		if (is_tvcv) | 
 | 			atombios_crtc_set_timing(crtc, adjusted_mode); | 
 | 		else | 
 | 			atombios_set_crtc_dtd_timing(crtc, adjusted_mode); | 
 | 	} else { | 
 | 		atombios_crtc_set_timing(crtc, adjusted_mode); | 
 | 		if (radeon_crtc->crtc_id == 0) | 
 | 			atombios_set_crtc_dtd_timing(crtc, adjusted_mode); | 
 | 		radeon_legacy_atom_fixup(crtc); | 
 | 	} | 
 | 	atombios_crtc_set_base(crtc, x, y, old_fb); | 
 | 	atombios_overscan_setup(crtc, mode, adjusted_mode); | 
 | 	atombios_scaler_setup(crtc); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc, | 
 | 				     struct drm_display_mode *mode, | 
 | 				     struct drm_display_mode *adjusted_mode) | 
 | { | 
 | 	if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) | 
 | 		return false; | 
 | 	return true; | 
 | } | 
 |  | 
 | static void atombios_crtc_prepare(struct drm_crtc *crtc) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 |  | 
 | 	/* pick pll */ | 
 | 	radeon_crtc->pll_id = radeon_atom_pick_pll(crtc); | 
 |  | 
 | 	atombios_lock_crtc(crtc, ATOM_ENABLE); | 
 | 	atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); | 
 | } | 
 |  | 
 | static void atombios_crtc_commit(struct drm_crtc *crtc) | 
 | { | 
 | 	atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON); | 
 | 	atombios_lock_crtc(crtc, ATOM_DISABLE); | 
 | } | 
 |  | 
 | static void atombios_crtc_disable(struct drm_crtc *crtc) | 
 | { | 
 | 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); | 
 | 	struct drm_device *dev = crtc->dev; | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 | 	struct radeon_atom_ss ss; | 
 |  | 
 | 	atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); | 
 |  | 
 | 	switch (radeon_crtc->pll_id) { | 
 | 	case ATOM_PPLL1: | 
 | 	case ATOM_PPLL2: | 
 | 		/* disable the ppll */ | 
 | 		atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, | 
 | 					  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); | 
 | 		break; | 
 | 	case ATOM_PPLL0: | 
 | 		/* disable the ppll */ | 
 | 		if (ASIC_IS_DCE61(rdev)) | 
 | 			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; | 
 | 	} | 
 | 	radeon_crtc->pll_id = -1; | 
 | } | 
 |  | 
 | static const struct drm_crtc_helper_funcs atombios_helper_funcs = { | 
 | 	.dpms = atombios_crtc_dpms, | 
 | 	.mode_fixup = atombios_crtc_mode_fixup, | 
 | 	.mode_set = atombios_crtc_mode_set, | 
 | 	.mode_set_base = atombios_crtc_set_base, | 
 | 	.mode_set_base_atomic = atombios_crtc_set_base_atomic, | 
 | 	.prepare = atombios_crtc_prepare, | 
 | 	.commit = atombios_crtc_commit, | 
 | 	.load_lut = radeon_crtc_load_lut, | 
 | 	.disable = atombios_crtc_disable, | 
 | }; | 
 |  | 
 | void radeon_atombios_init_crtc(struct drm_device *dev, | 
 | 			       struct radeon_crtc *radeon_crtc) | 
 | { | 
 | 	struct radeon_device *rdev = dev->dev_private; | 
 |  | 
 | 	if (ASIC_IS_DCE4(rdev)) { | 
 | 		switch (radeon_crtc->crtc_id) { | 
 | 		case 0: | 
 | 		default: | 
 | 			radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET; | 
 | 			break; | 
 | 		case 1: | 
 | 			radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET; | 
 | 			break; | 
 | 		case 2: | 
 | 			radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET; | 
 | 			break; | 
 | 		case 3: | 
 | 			radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET; | 
 | 			break; | 
 | 		case 4: | 
 | 			radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET; | 
 | 			break; | 
 | 		case 5: | 
 | 			radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET; | 
 | 			break; | 
 | 		} | 
 | 	} else { | 
 | 		if (radeon_crtc->crtc_id == 1) | 
 | 			radeon_crtc->crtc_offset = | 
 | 				AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL; | 
 | 		else | 
 | 			radeon_crtc->crtc_offset = 0; | 
 | 	} | 
 | 	radeon_crtc->pll_id = -1; | 
 | 	drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs); | 
 | } |