atombios_crtc.c 23.8 KB
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/*
 * 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 "radeon_fixed.h"
#include "radeon.h"
#include "atom.h"
#include "atom-bits.h"

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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.usOverscanRight = 0;
	args.usOverscanLeft = 0;
	args.usOverscanBottom = 0;
	args.usOverscanTop = 0;
	args.ucCRTC = radeon_crtc->crtc_id;

	switch (radeon_crtc->rmx_type) {
	case RMX_CENTER:
		args.usOverscanTop = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
		args.usOverscanBottom = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
		args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
		args.usOverscanRight = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
		break;
	case RMX_ASPECT:
		a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay;
		a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay;

		if (a1 > a2) {
			args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
			args.usOverscanRight = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
		} else if (a2 > a1) {
			args.usOverscanLeft = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
			args.usOverscanRight = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
		}
		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
		break;
	case RMX_FULL:
	default:
		args.usOverscanRight = 0;
		args.usOverscanLeft = 0;
		args.usOverscanBottom = 0;
		args.usOverscanTop = 0;
		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
		break;
	}
}

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);
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	/* fixme - fill in enc_priv for atom dac */
	enum radeon_tv_std tv_std = TV_STD_NTSC;
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	bool is_tv = false, is_cv = false;
	struct drm_encoder *encoder;
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	if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id)
		return;

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	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;
			}
		}
	}

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	memset(&args, 0, sizeof(args));

	args.ucScaler = radeon_crtc->crtc_id;

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	if (is_tv) {
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		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;
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	} else if (is_cv) {
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		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);
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	if ((is_tv || is_cv)
	    && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) {
		atom_rv515_force_tv_scaler(rdev, radeon_crtc);
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	}
}

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static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
{
	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
	struct drm_device *dev = crtc->dev;
	struct radeon_device *rdev = dev->dev_private;
	int index =
	    GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
	ENABLE_CRTC_PS_ALLOCATION args;

	memset(&args, 0, sizeof(args));

	args.ucCRTC = radeon_crtc->crtc_id;
	args.ucEnable = lock;

	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}

static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
{
	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
	struct drm_device *dev = crtc->dev;
	struct radeon_device *rdev = dev->dev_private;
	int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
	ENABLE_CRTC_PS_ALLOCATION args;

	memset(&args, 0, sizeof(args));

	args.ucCRTC = radeon_crtc->crtc_id;
	args.ucEnable = state;

	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}

static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
{
	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
	struct drm_device *dev = crtc->dev;
	struct radeon_device *rdev = dev->dev_private;
	int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
	ENABLE_CRTC_PS_ALLOCATION args;

	memset(&args, 0, sizeof(args));

	args.ucCRTC = radeon_crtc->crtc_id;
	args.ucEnable = state;

	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}

static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
{
	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
	struct drm_device *dev = crtc->dev;
	struct radeon_device *rdev = dev->dev_private;
	int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
	BLANK_CRTC_PS_ALLOCATION args;

	memset(&args, 0, sizeof(args));

	args.ucCRTC = radeon_crtc->crtc_id;
	args.ucBlanking = state;

	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}

void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
{
	struct drm_device *dev = crtc->dev;
	struct radeon_device *rdev = dev->dev_private;
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	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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	switch (mode) {
	case DRM_MODE_DPMS_ON:
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		atombios_enable_crtc(crtc, 1);
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		if (ASIC_IS_DCE3(rdev))
			atombios_enable_crtc_memreq(crtc, 1);
		atombios_blank_crtc(crtc, 0);
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		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
		radeon_crtc_load_lut(crtc);
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		break;
	case DRM_MODE_DPMS_STANDBY:
	case DRM_MODE_DPMS_SUSPEND:
	case DRM_MODE_DPMS_OFF:
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		drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
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		atombios_blank_crtc(crtc, 1);
		if (ASIC_IS_DCE3(rdev))
			atombios_enable_crtc_memreq(crtc, 0);
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		atombios_enable_crtc(crtc, 0);
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		break;
	}
}

static void
atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
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			     struct drm_display_mode *mode)
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{
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	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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	struct drm_device *dev = crtc->dev;
	struct radeon_device *rdev = dev->dev_private;
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	SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
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	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
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	u16 misc = 0;
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	memset(&args, 0, sizeof(args));
	args.usH_Size = cpu_to_le16(mode->crtc_hdisplay);
	args.usH_Blanking_Time =
		cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay);
	args.usV_Size = cpu_to_le16(mode->crtc_vdisplay);
	args.usV_Blanking_Time =
	    cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay);
	args.usH_SyncOffset =
		cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay);
	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);
	args.usV_SyncWidth =
		cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
	/*args.ucH_Border = mode->hborder;*/
	/*args.ucV_Border = mode->vborder;*/

	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;
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	printk("executing set crtc dtd timing\n");
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	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
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}

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static void atombios_crtc_set_timing(struct drm_crtc *crtc,
				     struct drm_display_mode *mode)
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{
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	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
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	struct drm_device *dev = crtc->dev;
	struct radeon_device *rdev = dev->dev_private;
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	SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
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	int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
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	u16 misc = 0;
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	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);

	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;
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	printk("executing set crtc timing\n");
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	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
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}

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static void atombios_set_ss(struct drm_crtc *crtc, int enable)
{
	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;
	struct radeon_encoder_atom_dig *dig = NULL;
	int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
	ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION args;
	ENABLE_LVDS_SS_PARAMETERS legacy_args;
	uint16_t percentage = 0;
	uint8_t type = 0, step = 0, delay = 0, range = 0;

	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
		if (encoder->crtc == crtc) {
			radeon_encoder = to_radeon_encoder(encoder);
			/* only enable spread spectrum on LVDS */
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			if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
				dig = radeon_encoder->enc_priv;
				if (dig && dig->ss) {
					percentage = dig->ss->percentage;
					type = dig->ss->type;
					step = dig->ss->step;
					delay = dig->ss->delay;
					range = dig->ss->range;
				} else if (enable)
					return;
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			} else if (enable)
				return;
			break;
		}
	}

	if (!radeon_encoder)
		return;

	if (ASIC_IS_AVIVO(rdev)) {
		memset(&args, 0, sizeof(args));
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		args.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
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		args.ucSpreadSpectrumType = type;
		args.ucSpreadSpectrumStep = step;
		args.ucSpreadSpectrumDelay = delay;
		args.ucSpreadSpectrumRange = range;
		args.ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
		args.ucEnable = enable;
		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
	} else {
		memset(&legacy_args, 0, sizeof(legacy_args));
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		legacy_args.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
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		legacy_args.ucSpreadSpectrumType = type;
		legacy_args.ucSpreadSpectrumStepSize_Delay = (step & 3) << 2;
		legacy_args.ucSpreadSpectrumStepSize_Delay |= (delay & 7) << 4;
		legacy_args.ucEnable = enable;
		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&legacy_args);
	}
}

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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;
	uint8_t frev, crev;
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	int index;
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	SET_PIXEL_CLOCK_PS_ALLOCATION args;
	PIXEL_CLOCK_PARAMETERS *spc1_ptr;
	PIXEL_CLOCK_PARAMETERS_V2 *spc2_ptr;
	PIXEL_CLOCK_PARAMETERS_V3 *spc3_ptr;
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	uint32_t pll_clock = mode->clock;
	uint32_t adjusted_clock;
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	uint32_t ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
	struct radeon_pll *pll;
	int pll_flags = 0;

	memset(&args, 0, sizeof(args));

	if (ASIC_IS_AVIVO(rdev)) {
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		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);

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		if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)	/* range limits??? */
			pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
		else
			pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
	} else {
		pll_flags |= RADEON_PLL_LEGACY;

		if (mode->clock > 200000)	/* range limits??? */
			pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
		else
			pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;

	}

	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
		if (encoder->crtc == crtc) {
			if (!ASIC_IS_AVIVO(rdev)) {
				if (encoder->encoder_type !=
				    DRM_MODE_ENCODER_DAC)
					pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
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				if (encoder->encoder_type ==
					DRM_MODE_ENCODER_LVDS)
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					pll_flags |= RADEON_PLL_USE_REF_DIV;
			}
			radeon_encoder = to_radeon_encoder(encoder);
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			break;
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		}
	}

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	/* 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)) {
		ADJUST_DISPLAY_PLL_PS_ALLOCATION adjust_pll_args;

		if (!encoder)
			return;

		memset(&adjust_pll_args, 0, sizeof(adjust_pll_args));
		adjust_pll_args.usPixelClock = cpu_to_le16(mode->clock / 10);
		adjust_pll_args.ucTransmitterID = radeon_encoder->encoder_id;
		adjust_pll_args.ucEncodeMode = atombios_get_encoder_mode(encoder);

		index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
		atom_execute_table(rdev->mode_info.atom_context,
				   index, (uint32_t *)&adjust_pll_args);
		adjusted_clock = le16_to_cpu(adjust_pll_args.usPixelClock) * 10;
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	} else {
		/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
		if (ASIC_IS_AVIVO(rdev) &&
		    (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1))
			adjusted_clock = mode->clock * 2;
		else
			adjusted_clock = mode->clock;
	}
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	if (radeon_crtc->crtc_id == 0)
		pll = &rdev->clock.p1pll;
	else
		pll = &rdev->clock.p2pll;

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	radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
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			   &ref_div, &post_div, pll_flags);

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	index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
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	atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
			      &crev);

	switch (frev) {
	case 1:
		switch (crev) {
		case 1:
			spc1_ptr = (PIXEL_CLOCK_PARAMETERS *) & args.sPCLKInput;
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			spc1_ptr->usPixelClock = cpu_to_le16(mode->clock / 10);
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			spc1_ptr->usRefDiv = cpu_to_le16(ref_div);
			spc1_ptr->usFbDiv = cpu_to_le16(fb_div);
			spc1_ptr->ucFracFbDiv = frac_fb_div;
			spc1_ptr->ucPostDiv = post_div;
			spc1_ptr->ucPpll =
			    radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
			spc1_ptr->ucCRTC = radeon_crtc->crtc_id;
			spc1_ptr->ucRefDivSrc = 1;
			break;
		case 2:
			spc2_ptr =
			    (PIXEL_CLOCK_PARAMETERS_V2 *) & args.sPCLKInput;
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			spc2_ptr->usPixelClock = cpu_to_le16(mode->clock / 10);
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			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;
			break;
		case 3:
			if (!encoder)
				return;
			spc3_ptr =
			    (PIXEL_CLOCK_PARAMETERS_V3 *) & args.sPCLKInput;
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			spc3_ptr->usPixelClock = cpu_to_le16(mode->clock / 10);
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			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(encoder);
			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;
	}

	printk("executing set pll\n");
	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}

int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
			   struct drm_framebuffer *old_fb)
{
	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
	struct drm_device *dev = crtc->dev;
	struct radeon_device *rdev = dev->dev_private;
	struct radeon_framebuffer *radeon_fb;
	struct drm_gem_object *obj;
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	struct radeon_bo *rbo;
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	uint64_t fb_location;
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	uint32_t fb_format, fb_pitch_pixels, tiling_flags;
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	int r;
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	/* no fb bound */
	if (!crtc->fb) {
		DRM_DEBUG("No FB bound\n");
		return 0;
	}
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	radeon_fb = to_radeon_framebuffer(crtc->fb);

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	/* Pin framebuffer & get tilling informations */
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	obj = radeon_fb->obj;
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	rbo = obj->driver_private;
	r = radeon_bo_reserve(rbo, false);
	if (unlikely(r != 0))
		return r;
	r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
	if (unlikely(r != 0)) {
		radeon_bo_unreserve(rbo);
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		return -EINVAL;
	}
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	radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
	radeon_bo_unreserve(rbo);
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	switch (crtc->fb->bits_per_pixel) {
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	case 8:
		fb_format =
		    AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
		    AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
		break;
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	case 15:
		fb_format =
		    AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
		    AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
		break;
	case 16:
		fb_format =
		    AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
		    AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
		break;
	case 24:
	case 32:
		fb_format =
		    AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
		    AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
		break;
	default:
		DRM_ERROR("Unsupported screen depth %d\n",
			  crtc->fb->bits_per_pixel);
		return -EINVAL;
	}

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	if (tiling_flags & RADEON_TILING_MACRO)
		fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;

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	if (tiling_flags & RADEON_TILING_MICRO)
		fb_format |= AVIVO_D1GRPH_TILED;

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	if (radeon_crtc->crtc_id == 0)
		WREG32(AVIVO_D1VGA_CONTROL, 0);
	else
		WREG32(AVIVO_D2VGA_CONTROL, 0);
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	if (rdev->family >= CHIP_RV770) {
		if (radeon_crtc->crtc_id) {
			WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
			WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
		} else {
			WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
			WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
		}
	}
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	WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
	       (u32) fb_location);
	WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
	       radeon_crtc->crtc_offset, (u32) fb_location);
	WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);

	WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
	WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
	WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
	WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
	WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width);
	WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height);

	fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
	WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
	WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);

	WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
	       crtc->mode.vdisplay);
	x &= ~3;
	y &= ~1;
	WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
	       (x << 16) | y);
	WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
	       (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);

	if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
		WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
		       AVIVO_D1MODE_INTERLEAVE_EN);
	else
		WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0);

	if (old_fb && old_fb != crtc->fb) {
		radeon_fb = to_radeon_framebuffer(old_fb);
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		rbo = radeon_fb->obj->driver_private;
		r = radeon_bo_reserve(rbo, false);
		if (unlikely(r != 0))
			return r;
		radeon_bo_unpin(rbo);
		radeon_bo_unreserve(rbo);
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	}
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	/* Bytes per pixel may have changed */
	radeon_bandwidth_update(rdev);

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	return 0;
}

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;

	/* TODO color tiling */

710
	atombios_set_ss(crtc, 0);
711
	atombios_crtc_set_pll(crtc, adjusted_mode);
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	atombios_set_ss(crtc, 1);
713
	atombios_crtc_set_timing(crtc, adjusted_mode);
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717

	if (ASIC_IS_AVIVO(rdev))
		atombios_crtc_set_base(crtc, x, y, old_fb);
	else {
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		if (radeon_crtc->crtc_id == 0)
			atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
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		radeon_crtc_set_base(crtc, x, y, old_fb);
		radeon_legacy_atom_set_surface(crtc);
	}
723
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	atombios_overscan_setup(crtc, mode, adjusted_mode);
	atombios_scaler_setup(crtc);
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	return 0;
}

static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
				     struct drm_display_mode *mode,
				     struct drm_display_mode *adjusted_mode)
{
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733
	if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
		return false;
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	return true;
}

static void atombios_crtc_prepare(struct drm_crtc *crtc)
{
	atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
	atombios_lock_crtc(crtc, 1);
}

static void atombios_crtc_commit(struct drm_crtc *crtc)
{
	atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
	atombios_lock_crtc(crtc, 0);
}

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,
	.prepare = atombios_crtc_prepare,
	.commit = atombios_crtc_commit,
756
	.load_lut = radeon_crtc_load_lut,
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766
};

void radeon_atombios_init_crtc(struct drm_device *dev,
			       struct radeon_crtc *radeon_crtc)
{
	if (radeon_crtc->crtc_id == 1)
		radeon_crtc->crtc_offset =
		    AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
	drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
}